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07070100000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000b00000000TRAILER!!!07070100039f05000081a40000000000000000000000014c5ba605000000fd000000b500010002ffffffffffffffff0000000800000000pkginfoPKG=flex NAME=flex 2.5.35 i86pc Solaris 10 VERSION=2.5.35 PSTAMP=6th August 2010 VENDOR=The Flex Project EMAIL=http://flex.sourceforge.net/ DESC=Fast Lexical Analyzer ARCH=i386 CATEGORY=utility CLASSES=none BASEDIR=/ ISTATES=S s 1 2 3 RSTATES=S s 1 2 3 07070100039f04000081a40000000000000000000000014c5ba6050000111b000000b500010002ffffffffffffffff0000000700000000pkgmap: 1 2655 1 d none /usr ? ? ? 1 d none /usr/local ? ? ? 1 d none /usr/local/bin 0755 root root 1 f none /usr/local/bin/flex 0755 root root 548036 50296 1281074669 1 d none /usr/local/include 0755 root root 1 f none /usr/local/include/FlexLexer.h 0644 root root 6217 15909 1281074669 1 d none /usr/local/info 0755 root root 1 f none /usr/local/info/flex.info 0644 root root 10408 22480 1281074669 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07070100039f4d000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000000800000000install07070100039f4e000081ed0000000000000000000000014c5ba60500000316000000b500010002ffffffffffffffff0000001500000000install/checkinstall#!/bin/sh # expected_bits="64" expected_release="5.10" expected_platform="i386" # release=`uname -r` platform=`uname -p` bits=`isainfo -b` # if [ ${platform} != ${expected_platform} ]; then echo "\n\n\n\tThis package must be installed on a ${expected_platform} architecture\n" echo "\tAborting installation.\n\n\n" exit 1 fi if [ ${release} != ${expected_release} ]; then echo "\n\n\n\tThis package must be installed on a ${expected_release} machine\n" echo "\tAborting installation.\n\n\n" exit 1 fi #if [ ${bits} != ${expected_bits} ]; then # echo "\n\n\n\tThis package must be installed on a ${expected_bits} bit machine\n" # echo "\tYour machine is running a ${bits} bit O.S. currently\n" # echo "\tAborting installation.\n\n\n" # exit 1 #fi exit 0 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"#$%l&'!()*+,-. /01234"#$5%&6'78()*9+:;,<-=.>/01234?@A5BCD67E8F6G9:H;I<J=K>LM NOP?@ABCQDEFGHIzJVKLSMNOPP-+-(Q>>>>>>>>>>>>>>>>>RRRRRRRRRRRRRRRRRUUUUUUUUUUUUUUUUUXXXXXXXXXXXXXXXXX\\\\\\\\\\\\\\\\\ddddddddddddddddd22222222222222222pppppppppppppppppvvvvvvvvvvvvvvvvv{{{{{{{{{{{{{{{{{      ~'}|''''''''''''''//z//VTS/4R4444444444444447Q777777777777=778P8OK88888IHG8:F:::::::::::::::>>B>>A=9>CCCCCCCCCCCCCCCCCJ3J6JJJJJJJJJ3JJJL2LLLLLLLLLLLLLLLU0UUUUUUUUUUUUUUUYY.+YYy-yyyyyyyyyyyyyyy)(&%$! RooRRRRRRRRR'RR''''''''''''''//R//RRR/8R8RR88888RRR8:R:::::::::::::::>>R>>RRR>CCCCCCCCCCCCCCCCCJRJRJJJJJJJJJRJJJRURUUUUUUUUUUUUUUUYYRRYYyRyyyyyyyyyyyyyyyRRRRRRRRRRRRRRRRRRRRR>>R>>RRR>R]R]]]]]]]]]]]]]]]1RRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR !%(,/269>CGKNQTX]adgkorux| "&*-048<@DHLNQSVY\_beilptwz}  !$'*-0369<?BCDDEGIIIIJLLLLLMNOOPRSTTTTUUVWWXYYZ[\\\]]_aaaabcdeefghikmnopqrrrsttuvwwxxyz{|}~~      !"###########################$%&'()*+,-./01246789:<=>?@ABCEFGHIJKLMNPQRSTUVWXYYYYYZZZZZZ\^``abcdefggggghhhhhhhhhhhhhhhhhhhhhhhhijlmnpqstuvwyz{|~     !#%')+-/1111111111111123456789:;<=>?ABCCCCCCCDDFFFFFFGGGGGGIKMOQSUWY[]__`abcdefhijlmnopqqqrrstuuuuvwwwwwwwyz{|}~  )*))))))213546%"%#%0-00,+ !    *'(213547$#-./ ! &CH89IJOT]:<@FKW[?~|VYZi_` DG{SX\g}EPr^s UthuzMnxvoyw~LRjlkmANpqbcaeDdf>B=EQ;?-%sccl_set_diff ( ) ccl_set_union (%d + %d = %dState #%d is non-accepting - dangerous trailing context associated rule line numbers: %d out-transitions: jam-transitions: EOF consistency check failed in epsclosure() DFA Dump: {YYTD_ID_NXT, (void**)&yy_nxt, sizeof(%s)}, flex_int32_tflex_int16_tstatic yyconst %s yy_nxt[][%d] = { #undef YY_NXT_LOLEN #define YY_NXT_LOLEN (%d) static yyconst %s *yy_nxt =0; { }, could not create unique end-of-buffer statestate # %d: %d %d Could not write yynxt_tbl[][]bad transition character detected in sympartition()static yyconst flex_int16_t %s[%d] = { 0, static yyconst flex_int16_t * %s = 0; static yyconst flex_int32_t %s[%d] = { 0, static yyconst flex_int32_t * %s = 0; static yyconst yy_state_type %s[%d] = { 0, static yyconst yy_state_type * %s = 0; {YYTD_ID_RULE_CAN_MATCH_EOL, (void**)&yy_rule_can_match_eol, sizeof(%s)}, flex_int32_tm4_ifdef( [[M4_YY_USE_LINENO]],[[/* Table of booleans, true if rule could match eol. */yy_rule_can_match_eol%d, }; ]])if ( yy_current_state[-1].yy_nxt )if ( yy_accept[yy_current_state] ){YY_G(yy_last_accepting_state) = yy_current_state;YY_G(yy_last_accepting_cpos) = yy_cp;}case 0: /* must back up *//* undo the effects of YY_DO_BEFORE_ACTION */*yy_cp = YY_G(yy_hold_char);yy_cp = YY_G(yy_last_accepting_cpos) + 1;yy_cp = YY_G(yy_last_accepting_cpos);yy_current_state = YY_G(yy_last_accepting_state);goto yy_find_action; {YYTD_ID_TRANSITION, (void**)&yy_transition, sizeof(%s)}, flex_int16_t {YYTD_ID_START_STATE_LIST, (void**)&yy_start_state_list, sizeof(%s)}, struct yy_trans_info*static yyconst struct yy_trans_info yy_transition[%d] = { static yyconst struct yy_trans_info *yy_transition = 0;static yyconst struct yy_trans_info *yy_start_state_list[%d] = static yyconst struct yy_trans_info **yy_start_state_list =0; { &yy_transition[%d], {YYTD_ID_EC, (void**)&yy_ec, sizeof(%s)}, yy_ec Equivalence Classes: %4s = %-2dyy_act = yy_current_state[-1].yy_nxt;yy_act = yy_accept[yy_current_state];yy_current_state = *--YY_G(yy_state_ptr);YY_G(yy_lp) = yy_accept[yy_current_state];find_rule: /* we branch to this label when backing up */for ( ; ; ) /* until we find what rule we matched */if ( YY_G(yy_lp) && YY_G(yy_lp) < yy_accept[yy_current_state + 1] )yy_act = yy_acclist[YY_G(yy_lp)];if ( yy_act & YY_TRAILING_HEAD_MASK || YY_G(yy_looking_for_trail_begin) )if ( yy_act == YY_G(yy_looking_for_trail_begin) )YY_G(yy_looking_for_trail_begin) = 0;yy_act &= ~YY_TRAILING_HEAD_MASK;break;else if ( yy_act & YY_TRAILING_MASK )YY_G(yy_looking_for_trail_begin) = yy_act & ~YY_TRAILING_MASK;YY_G(yy_looking_for_trail_begin) |= YY_TRAILING_HEAD_MASK;YY_G(yy_full_match) = yy_cp;YY_G(yy_full_state) = YY_G(yy_state_ptr);YY_G(yy_full_lp) = YY_G(yy_lp);else++YY_G(yy_lp);goto find_rule;--yy_cp;if ( yy_act == 0 ){ /* have to back up */state # %d accepts: [%d] {YYTD_ID_ACCEPT, (void**)&yy_accept, sizeof(%s)}, yy_acceptregister YY_CHAR yy_c = %s;while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )yy_current_state = (int) yy_def[yy_current_state];if ( yy_current_state >= %d ) yy_c = yy_meta[(unsigned int) yy_c];yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];yy_ec[YY_SC_TO_UI(*yy_cp)] YY_SC_TO_UI(*yy_cp)yy_ec[YY_SC_TO_UI(*++yy_cp)] YY_SC_TO_UI(*++yy_cp)while ( (yy_current_state = yy_nxt[yy_current_state][ %s ]) > 0 )while ( (yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %s ]) > 0 )++yy_cp;yy_current_state = -yy_current_state;register yyconst struct yy_trans_info *yy_trans_info; register YY_CHAR yy_c; for ( yy_c = %s; (yy_trans_info = &yy_current_state[(unsigned int) yy_c])->yy_verify == yy_c; yy_c = %s )yy_current_state += yy_trans_info->yy_nxt;dowhile ( yy_base[yy_current_state] != %d ); while ( yy_current_state != %d ); (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : %d)(*yy_cp ? YY_SC_TO_UI(*yy_cp) : %d)yy_ec[YY_SC_TO_UI(*yy_cp)]if ( *yy_cp )yy_current_state = yy_nxt[yy_current_state][%s];yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %s];yy_current_state += yy_current_state[%s].yy_nxt;yy_current_state = yy_NUL_trans[yy_current_state];*YY_G(yy_state_ptr)++ = yy_current_state;register char *yy_cp = YY_G(yy_c_buf_p);yy_is_jam = (yy_current_state == 0);yy_current_state = yy_nxt[yy_current_state][%d]; yy_current_state = yy_nxt[yy_current_state*YY_NXT_LOLEN + %d]; yy_is_jam = (yy_current_state <= 0);register int yy_c = %d; yy_trans_info = &yy_current_state[(unsigned int) yy_c];yy_is_jam = (yy_trans_info->yy_verify != yy_c);%dyy_is_jam = (yy_current_state == %d); if ( ! yy_is_jam )yy_current_state = yy_start_state_list[YY_G(yy_start) + YY_AT_BOL()];yy_current_state = yy_start_state_list[YY_G(yy_start)];yy_current_state = YY_G(yy_start);yy_current_state += YY_AT_BOL();m4_ifdef( [[M4_YY_USES_REJECT]], [[YY_G(yy_state_ptr) = YY_G(yy_state_buf);yy_acclist {YYTD_ID_ACCLIST, (void**)&yy_acclist, sizeof(%s)}, state # %d accepts: [%d], Could not write yyacclist_tblCould not write yyacc_tblCould not write ecstbl Meta-Equivalence Classes: yy_meta {YYTD_ID_META, (void**)&yy_meta, sizeof(%s)}, %d = %d Could not write yymeta_tblyy_base {YYTD_ID_BASE, (void**)&yy_base, sizeof(%s)}, Could not write yybase_tblyy_def {YYTD_ID_DEF, (void**)&yy_def, sizeof(%s)}, Could not write yydef_tblyy_nxt {YYTD_ID_NXT, (void**)&yy_nxt, sizeof(%s)}, Could not write yynxt_tblyy_chk {YYTD_ID_CHK, (void**)&yy_chk, sizeof(%s)}, Could not write yychk_tblYY_G(yytext_ptr) -= YY_G(yy_more_len); \yyleng = (size_t) (yy_cp - YY_G(yytext_ptr)); \yyleng = (size_t) (yy_cp - yy_bp); \if ( yyleng + YY_G(yy_more_offset) >= YYLMAX ) \if ( yyleng >= YYLMAX ) \YY_FATAL_ERROR( "token too large, exceeds YYLMAX" ); \yy_flex_strncpy( &yytext[YY_G(yy_more_offset)], YY_G(yytext_ptr), yyleng + 1 M4_YY_CALL_LAST_ARG); \yyleng += YY_G(yy_more_offset); \YY_G(yy_prev_more_offset) = YY_G(yy_more_offset); \YY_G(yy_more_offset) = 0; \yy_flex_strncpy( yytext, YY_G(yytext_ptr), yyleng + 1 M4_YY_CALL_LAST_ARG); \#define YY_NUM_RULES %d #define YY_END_OF_BUFFER %d struct yy_trans_info%s yy_verify;%s yy_nxt;};/* This struct is not used in this scanner, but its presence is necessary. */flex_int32_t yy_verify;flex_int32_t yy_nxt;Could not write ftblCould not write ssltblCould not write eoltblstatic yy_state_type yy_last_accepting_state;static char *yy_last_accepting_cpos; yy_NUL_trans {YYTD_ID_NUL_TRANS, (void**)&yy_NUL_trans, sizeof(%s)}, Could not write yynultrans_tblextern int yy_flex_debug;int yy_flex_debug = %s; 10yy_rule_linenumstatic yy_state_type *yy_state_buf=0, *yy_state_ptr=0;static char *yy_full_match;static int yy_lp;static int yy_looking_for_trail_begin = 0;static int yy_full_lp;static int *yy_full_state;#define YY_TRAILING_MASK 0x%x #define YY_TRAILING_HEAD_MASK 0x%x #define REJECT \{ \*yy_cp = YY_G(yy_hold_char); /* undo effects of setting up yytext */ \yy_cp = YY_G(yy_full_match); /* restore poss. backed-over text */ \YY_G(yy_lp) = YY_G(yy_full_lp); /* restore orig. accepting pos. */ \YY_G(yy_state_ptr) = YY_G(yy_full_state); /* restore orig. state */ \yy_current_state = *YY_G(yy_state_ptr); /* restore curr. state */ \++YY_G(yy_lp); \goto find_rule; \]]) /* The intent behind this definition is that it'll catch * any uses of REJECT which flex missed. */#define REJECT reject_used_but_not_detectedstatic int yy_more_offset = 0;static int yy_prev_more_offset = 0;static int yy_more_flag = 0;static int yy_more_len = 0;#define yymore() (YY_G(yy_more_offset) = yy_flex_strlen( yytext M4_YY_CALL_LAST_ARG))#define YY_NEED_STRLEN#define YY_MORE_ADJ 0#define YY_RESTORE_YY_MORE_OFFSET \YY_G(yy_more_offset) = YY_G(yy_prev_more_offset); \yyleng -= YY_G(yy_more_offset); \#define yymore() (YY_G(yy_more_flag) = 1)#define YY_MORE_ADJ YY_G(yy_more_len)#define YY_RESTORE_YY_MORE_OFFSET#define yymore() yymore_used_but_not_detected#ifndef YYLMAX#define YYLMAX 8192#endif char yytext[YYLMAX];char *yytext_ptr;char *yytext; errno=0; \ while ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(yyin); \ }\ if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \ int c = '*'; \ int n; \ for ( n = 0; n < max_size && \ (c = getc( yyin )) != EOF && c != '\n'; ++n ) \ buf[n] = (char) c; \ if ( c == '\n' ) \ buf[n++] = (char) c; \ if ( c == EOF && ferror( yyin ) ) \ result = n; \ else \ while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \ { \ if( errno != EINTR) \ { \ YY_FATAL_ERROR( "input in flex scanner failed" ); \ break; \ } \ errno=0; \ clearerr(yyin); \ } \ }\#define YY_RULE_SETUP \if ( yyleng > 0 ) \YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \ (yytext[yyleng - 1] == '\n'); \YY_USER_ACTIONYY_G(yy_more_len) = 0;if ( YY_G(yy_more_flag) )YY_G(yy_more_len) = YY_G(yy_c_buf_p) - YY_G(yytext_ptr);YY_G(yy_more_flag) = 0;yy_match:if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )int yyl;for ( yyl = %s; yyl < yyleng; ++yyl ) YY_G(yy_prev_more_offset)YY_G(yy_more_len)if ( yytext[yyl] == '\n' )M4_YY_INCR_LINENO();if ( yy_flex_debug )std::cerr << "--scanner backing up\n";fprintf( stderr, "--scanner backing up\n" );else if ( yy_act < %d ) std::cerr << "--accepting rule at line " << yy_rule_linenum[yy_act] << "(\"" << yytext << "\")\n";fprintf( stderr, "--accepting rule at line %ld (\"%s\")\n", (long)yy_rule_linenum[yy_act], yytext );else if ( yy_act == %d ) std::cerr << "--accepting default rule (\"" << yytext << "\")\n";fprintf( stderr, "--accepting default rule (\"%s\")\n", yytext );std::cerr << "--(end of buffer or a NUL)\n";fprintf( stderr, "--(end of buffer or a NUL)\n" );std::cerr << "--EOF (start condition " << YY_START << ")\n";fprintf( stderr, "--EOF (start condition %d)\n", YY_START );case YY_STATE_EOF(%s): yyterminate();yy_cp = YY_G(yy_c_buf_p);YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');if ( YY_CURRENT_BUFFER_LVALUE->yy_at_bol )if ( c == '\n' )m4_ifdef( [[M4_YY_IN_HEADER]],,[[rule cannot be matched-s option given but default rule can be matchedflex/usr/local/share/localeCan't use -+ with -l optionCan't use -f or -F with -l optionCan't use --reentrant or --bison-bridge with -l option-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-Cf and -CF are mutually exclusiveCan't use -+ with -CF option%array incompatible with -+ optionOptions -+ and --reentrant are mutually exclusive.bison bridge not supported for the C++ scanner.M4_YY_NO_ANSI_FUNC_DEFSM4_YY_NO_ANSI_FUNC_PROTOSM4_EXTRA_TYPE_DEFScccw+could not create %sM4/usr/local/bin/m4-PM4_YY_TABLES_VERIFY10M4_YY_TABLES_EXTERNALwtables%stablescould not write tables headerrcan't open skeleton file %sM4_YY_REENTRANTM4_YY_TEXT_IS_ARRAYM4_YY_BISON_LVALM4_YY_PREFIXM4_YY_USE_LINENOYY_INT_ALIGNEDlong intshort int#define %s %d M4_YY_SC_DEFS#line 0 "M4_YY_OUTFILE_NAME" input error reading skeleton file %serror closing skeleton file %serror writing output file %serror closing output file %serror deleting output file %sNo backing up. %d backing up (non-accepting) states. Compressed tables always back up. error writing backup file %serror closing backup file %s%s version %s usage statistics: scanner options: ---reentrant--bison-bridge--bison-locations -C -o%s -S%syy -P%s %d/%d NFA states %d/%d DFA states (%d words) %d rules No backing up %d backing-up (non-accepting) states Compressed tables always back-up Beginning-of-line patterns used %d/%d start conditions %d epsilon states, %d double epsilon states no character classes %d/%d character classes needed %d/%d words of storage, %d reused %d state/nextstate pairs created %d/%d unique/duplicate transitions %d table entries %d/%d base-def entries created %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d empty table entries %d protos created %d templates created, %d uses %d/%d equivalence classes created %d/%d meta-equivalence classes created %d (%d saved) hash collisions, %d DFAs equal %d sets of reallocations needed %d total table entries needed Internal error. flexopts are malformed. Try `%s --help' for more information. unknown -C option '%c'YY_MAINM4_YY_NO_UNISTD_H%s %s M4_YY_ALWAYS_INTERACTIVEM4_YY_NEVER_INTERACTIVE#define 1 M4_YY_STACK_USEDM4_YY_NO_PUSH_STATEM4_YY_NO_POP_STATEM4_YY_NO_TOP_STATEM4_YY_NO_UNPUTM4_YY_NO_SCAN_BUFFERM4_YY_NO_SCAN_BYTESM4_YY_NO_SCAN_STRINGM4_YY_NO_GET_EXTRAM4_YY_NO_SET_EXTRAM4_YY_NO_GET_LENGM4_YY_NO_GET_TEXTM4_YY_NO_GET_LINENOM4_YY_NO_SET_LINENOM4_YY_NO_GET_INM4_YY_NO_SET_INM4_YY_NO_GET_OUTM4_YY_NO_SET_OUTM4_YY_NO_GET_LVALM4_YY_NO_SET_LVALM4_YY_NO_GET_LLOCM4_YY_NO_SET_LLOCfatal parse errorPOSIXLY_CORRECTcould not create backing-up info file %s-l AT&T lex compatibility option entails a large performance penalty and may be the actual source of other reported performance penalties %%option yylineno entails a performance penalty ONLY on rules that can match newline characters -I (interactive) entails a minor performance penalty yymore() entails a minor performance penalty REJECT entails a large performance penalty Variable trailing context rules entail a large performance penalty REJECT cannot be used with -f or -F%option yylineno cannot be used with REJECTvariable trailing context rules cannot be used with -f or -FM4_YY_USES_REJECT #define yywrap(n) 1#define YY_SKIP_YYWRAP #define FLEX_DEBUGm4_ifdef( [[M4_YY_IN_HEADER]],,[[typedef unsigned char YY_CHAR;typedef char YY_CHAR;]])#define yytext_ptr yytext#define YY_INTERACTIVE#ifdef VMS#ifdef __VMS_POSIX#define YY_STDINIT#endif#else#ifndef __VMS_POSIXtypedef yyconst struct yy_trans_info *yy_state_type;typedef int yy_state_type;#define YY_FLEX_LEX_COMPATextern int yylineno;int yylineno = 1; #include int yyFlexLexer::yywrap() { return 1; }int yyFlexLexer::yylex() { LexerError( "yyFlexLexer::yylex invoked but %option yyclass used" ); return 0; } #define YY_DECL int %s::yylex() extern char yytext[]; #define yytext_ptr yytext_rextern char *yytext;%option yyclass only meaningful for C++ scannersUsage: %s [OPTIONS] [FILE]... Generates programs that perform pattern-matching on text. Table Compression: -Ca, --align trade off larger tables for better memory alignment -Ce, --ecs construct equivalence classes -Cf do not compress tables; use -f representation -CF do not compress tables; use -F representation -Cm, --meta-ecs construct meta-equivalence classes -Cr, --read use read() instead of stdio for scanner input -f, --full generate fast, large scanner. Same as -Cfr -F, --fast use alternate table representation. Same as -CFr -Cem default compression (same as --ecs --meta-ecs) Debugging: -d, --debug enable debug mode in scanner -b, --backup write backing-up information to %s -p, --perf-report write performance report to stderr -s, --nodefault suppress default rule to ECHO unmatched text -T, --trace %s should run in trace mode -w, --nowarn do not generate warnings -v, --verbose write summary of scanner statistics to stdout Files: -o, --outfile=FILE specify output filename -S, --skel=FILE specify skeleton file -t, --stdout write scanner on stdout instead of %s --yyclass=NAME name of C++ class --header-file=FILE create a C header file in addition to the scanner --tables-file[=FILE] write tables to FILE Scanner behavior: -7, --7bit generate 7-bit scanner -8, --8bit generate 8-bit scanner -B, --batch generate batch scanner (opposite of -I) -i, --case-insensitive ignore case in patterns -l, --lex-compat maximal compatibility with original lex -X, --posix-compat maximal compatibility with POSIX lex -I, --interactive generate interactive scanner (opposite of -B) --yylineno track line count in yylineno Generated code: -+, --c++ generate C++ scanner class -Dmacro[=defn] #define macro defn (default defn is '1') -L, --noline suppress #line directives in scanner -P, --prefix=STRING use STRING as prefix instead of "yy" -R, --reentrant generate a reentrant C scanner --bison-bridge scanner for bison pure parser. --bison-locations include yylloc support. --stdinit initialize yyin/yyout to stdin/stdout --noansi-definitions old-style function definitions --noansi-prototypes empty parameter list in prototypes --nounistd do not include --noFUNCTION do not generate a particular FUNCTION Miscellaneous: -c do-nothing POSIX option -n do-nothing POSIX option -? -h, --help produce this help message -V, --version report %s version lex.%s.%slex.backuplex.%s.tables[[]]M4_YY_NOOP[M4_YY_NOOP[M4_YY_NOOP[[]][[]]M4_YY_NOOP]M4_YY_NOOP]M4_YY_NOOP[[]]m4_changequote m4_changequote([[, ]]) %s: fatal internal error at %s:%d %s misc.cpeek attempt when sko stack is emptypopped too many times in skeleton.name "%s" ridiculously long#define %s %d DO NOT USE THIS FUNCTION!m4_define([[%s]],[[%s]])m4_dnl memory allocation failed in allocate_array()bad character '%s' detected in check_char()scanner requires -8 flag to use the character %sdynamic memory failure in copy_string() } ; %s: %s %s: fatal internal error, %s %xM4_YY_OUTFILE_NAME %5d%d%om4_define( [[%s]], [[%s]])m4_dnl \b\f\n\r\t\a\v\%.3o' 'attempt to increase array size failed/* %s */\ /* %s */ %push/*(state = (%s) */truefalse%s \%pop%if-reentrant%if-not-reentrant%if-bison-bridge%if-not-bison-bridge%endif%if-tables-serialization%tables-yydmap%define-yytables#define YYTABLES_NAME "%s" yytables%if-c++-only%if-c-only%if-c-or-c++%not-for-headerm4_ifdef( [[M4_YY_IN_HEADER]],,[[%ok-for-header]])bad line in skeleton file {%4d,%4d },memory allocation failed in yy_flex_xmalloc()#line %d "%s" ********** beginning dump of nfa with start state %d state # %4d %3d: %4d, %4d [%d] ********** end of dump empty machine in dupmachine()case %d: /* rule %d can match eol */ Variable trailing context rule at line %d YY_G(yy_c_buf_p) = yy_cpyy_bp*yy_cp = YY_G(yy_hold_char); /* undo effects of setting up yytext */ %s = %s + %d; %s -= %d; YY_DO_BEFORE_ACTION; /* set up yytext again */ YY_RULE_SETUP bad state type in mark_beginning_as_normal()input rules are too complicated (>= %d NFA states)found too many transitions in mkxtion()too many rules (> %d)!DeletingYY_FATAL_ERROR( "flex scanner jammed" )ECHO; YY_BREAK INITIALunknown error processing section 1bad start condition list'^' operator results in sub-optimal performanceall start conditions already have <> rulesunrecognized ruleundeclared start condition %s<%s> specified twicetrailing context made variable due to preceding '|' actiontrailing context used twicebad iteration valuesiteration value must be positivethe character range [%c-%c] is ambiguous in a case-insensitive scannernegative range in character class[:^lower:] is ambiguous in case insensitive scanner[:^upper:] ambiguous in case insensitive scannersyntax errorError: discardingError: poppingmemory exhaustedCleanup: discarding lookaheadCleanup: poppingmultiple <> rules for start condition %scase YY_STATE_EOF(%s): warning, %s%s:%d: %s POSIXLY_CORRECTout of dynamic memory in yylex()malformed '%top' directiveunrecognized '%' directiveInput line too long Unmatched '{'incomplete name definitionM4_YY_ALWAYS_INTERACTIVEYY_NO_INPUTM4_YY_MAINM4_YY_NEVER_INTERACTIVEM4_YY_STACK_USEDYY_NO_UNISTD_HM4_YY_NO_UNPUTM4_YY_USE_LINENOM4_YY_NO_PUSH_STATEM4_YY_NO_POP_STATEM4_YY_NO_TOP_STATEM4_YY_NO_SCAN_BUFFERM4_YY_NO_SCAN_BYTESM4_YY_NO_SCAN_STRINGM4_YY_NO_FLEX_ALLOCM4_YY_NO_FLEX_REALLOCM4_YY_NO_FLEX_FREEM4_YY_NO_GET_DEBUGM4_YY_NO_SET_DEBUGM4_YY_NO_GET_EXTRAM4_YY_NO_SET_EXTRAM4_YY_NO_GET_LENGM4_YY_NO_GET_TEXTM4_YY_NO_GET_LINENOM4_YY_NO_SET_LINENOM4_YY_NO_GET_INM4_YY_NO_SET_INM4_YY_NO_GET_OUTM4_YY_NO_SET_OUTM4_YY_NO_GET_LVALM4_YY_NO_SET_LVALM4_YY_NO_GET_LLOCM4_YY_NO_SET_LLOCunrecognized %%option: %s/* Begin user sect3 */bad character classundefined definition {%s}bad : %smissing quotebad character class expression: %sbad character inside {}'smissing } YY_BREAK EOF encountered inside an actionEOF encountered inside patternbad character: %sflex scanner jammedfatal flex scanner internal error--no action foundfatal flex scanner internal error--end of buffer missedinput buffer overflow, can't enlarge buffer because scanner uses REJECTinput in flex scanner failedout of dynamic memory in yy_get_next_buffer()flex scanner push-back overflowout of dynamic memory in yy_create_buffer()out of dynamic memory in yyensure_buffer_stack()out of dynamic memory in yy_scan_buffer()out of dynamic memory in yy_scan_bytes()bad buffer in yy_scan_bytes()out of memory expanding start-condition stackstart-condition stack underflow%s -rcan't open %s%# -*-C-*- vi: set ft=c:%# This file is processed in several stages.%# Here are the stages, as best as I can describe:%#%# 1. flex.skl is processed through GNU m4 during the%# pre-compilation stage of flex. Only macros starting%# with `m4_' are processed, and quoting is normal.%# 2. The preprocessed skeleton is translated verbatim into a%# C array, saved as "skel.c" and compiled into the flex binary.%# 3. At runtime, the skeleton is generated and filtered (again)%# through m4. Macros beginning with `m4_' will be processed.%# The quoting is "[[" and "]]" so we don't interfere with%# user code.%# %# All generate macros for the m4 stage contain the text "m4" or "M4"%# in them. This is to distinguish them from CPP macros.%# The exception to this rule is YY_G, which is an m4 macro, %# but it needs to be remain short because it is used everywhere./* A lexical scanner generated by flex */%# Macros for preproc stage.%# Macros for runtime processing stage.m4_changecomm4_changequotem4_changequote([[, ]])%# Lines in this skeleton starting with a "%" character are "control lines"%# and affect the generation of the scanner. The possible control codes are%# listed and processed in misc.c.%# %# - A comment. The current line is omitted from the generated scanner.%# %if-c++-only - The following lines are printed for C++ scanners ONLY.%# %if-c-only - The following lines are NOT printed for C++ scanners.%# %if-c-or-c++ - The following lines are printed in BOTH C and C++ scanners.%# %if-reentrant - Print for reentrant scanners.(push)%# %if-not-reentrant - Print for non-reentrant scanners. (push)%# %if-bison-bridge - Print for bison-bridge. (push)%# %if-not-bison-bridge - Print for non-bison-bridge. (push)%# %endif - pop from the previous if code.%# %% - A stop-point, where code is inserted by flex.%# Each stop-point is numbered here and also in the code generator.%# (See gen.c, etc. for details.)%# %not-for-header - Begin code that should NOT appear in a ".h" file.%# %ok-for-header - %c and %e are used for building a header file.%# %if-tables-serialization%# All control-lines EXCEPT comment lines ("%#") will be inserted into%# the generated scanner as a C-style comment. This is to aid those who%# edit the skeleton.%not-for-header%if-c-only%if-not-reentrantm4_ifelse(M4_YY_PREFIX,yy,,#define yy_create_buffer M4_YY_PREFIX[[_create_buffer]]#define yy_delete_buffer M4_YY_PREFIX[[_delete_buffer]]#define yy_flex_debug M4_YY_PREFIX[[_flex_debug]]#define yy_init_buffer M4_YY_PREFIX[[_init_buffer]]#define yy_flush_buffer M4_YY_PREFIX[[_flush_buffer]]#define yy_load_buffer_state M4_YY_PREFIX[[_load_buffer_state]]#define yy_switch_to_buffer M4_YY_PREFIX[[_switch_to_buffer]]#define yyin M4_YY_PREFIX[[in]]#define yyleng M4_YY_PREFIX[[leng]]#define yylex M4_YY_PREFIX[[lex]]#define yylineno M4_YY_PREFIX[[lineno]]#define yyout M4_YY_PREFIX[[out]]#define yyrestart M4_YY_PREFIX[[restart]]#define yytext M4_YY_PREFIX[[text]]#define yywrap M4_YY_PREFIX[[wrap]]#define yyalloc M4_YY_PREFIX[[alloc]]#define yyrealloc M4_YY_PREFIX[[realloc]]#define yyfree M4_YY_PREFIX[[free]])%endif%ok-for-header#define FLEX_SCANNER#define YY_FLEX_MAJOR_VERSION 2#define YY_FLEX_MINOR_VERSION 5#define YY_FLEX_SUBMINOR_VERSION 35#if YY_FLEX_SUBMINOR_VERSION > 0#define FLEX_BETA#endif%# Some negated symbolsm4_ifdef( [[M4_YY_IN_HEADER]], , [[m4_define([[M4_YY_NOT_IN_HEADER]], [[]])]])m4_ifdef( [[M4_YY_REENTRANT]], , [[m4_define([[M4_YY_NOT_REENTRANT]], [[]])]])%# This is the m4 way to say "(stack_used || is_reentrant)m4_ifdef( [[M4_YY_STACK_USED]], [[m4_define([[M4_YY_HAS_START_STACK_VARS]])]])m4_ifdef( [[M4_YY_REENTRANT]], [[m4_define([[M4_YY_HAS_START_STACK_VARS]])]])%# Prefixes.%# The complexity here is necessary so that m4 preserves%# the argument lists to each C function.m4_ifdef( [[M4_YY_PREFIX]],, [[m4_define([[M4_YY_PREFIX]], [[yy]])]])%if-c++-only /* The c++ scanner is a mess. The FlexLexer.h header file relies on the * following macro. This is required in order to pass the c++-multiple-scanners * test in the regression suite. We get reports that it breaks inheritance. * We will address this in a future release of flex, or omit the C++ scanner * altogether. */ #define yyFlexLexer M4_YY_PREFIX[[FlexLexer]] m4_define(yy[[_create_buffer]], [[M4_YY_PREFIX[[_create_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_delete_buffer]], [[M4_YY_PREFIX[[_delete_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_scan_buffer]], [[M4_YY_PREFIX[[_scan_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_scan_string]], [[M4_YY_PREFIX[[_scan_string]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_scan_bytes]], [[M4_YY_PREFIX[[_scan_bytes]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_init_buffer]], [[M4_YY_PREFIX[[_init_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_flush_buffer]], [[M4_YY_PREFIX[[_flush_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_load_buffer_state]], [[M4_YY_PREFIX[[_load_buffer_state]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_switch_to_buffer]], [[M4_YY_PREFIX[[_switch_to_buffer]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[push_buffer_state]], [[M4_YY_PREFIX[[push_buffer_state]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[pop_buffer_state]], [[M4_YY_PREFIX[[pop_buffer_state]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[ensure_buffer_stack]], [[M4_YY_PREFIX[[ensure_buffer_stack]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[lex]], [[M4_YY_PREFIX[[lex]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[restart]], [[M4_YY_PREFIX[[restart]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[lex_init]], [[M4_YY_PREFIX[[lex_init]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[lex_init_extra]], [[M4_YY_PREFIX[[lex_init_extra]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[lex_destroy]], [[M4_YY_PREFIX[[lex_destroy]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_debug]], [[M4_YY_PREFIX[[get_debug]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_debug]], [[M4_YY_PREFIX[[set_debug]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_extra]], [[M4_YY_PREFIX[[get_extra]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_extra]], [[M4_YY_PREFIX[[set_extra]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_in]], [[M4_YY_PREFIX[[get_in]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_in]], [[M4_YY_PREFIX[[set_in]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_out]], [[M4_YY_PREFIX[[get_out]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_out]], [[M4_YY_PREFIX[[set_out]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_leng]], [[M4_YY_PREFIX[[get_leng]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_text]], [[M4_YY_PREFIX[[get_text]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[get_lineno]], [[M4_YY_PREFIX[[get_lineno]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_lineno]], [[M4_YY_PREFIX[[set_lineno]]m4_ifelse($#,0,,[[($@)]])]]) m4_ifdef( [[M4_YY_REENTRANT]], [[ m4_define(yy[[get_column]], [[M4_YY_PREFIX[[get_column]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_column]], [[M4_YY_PREFIX[[set_column]]m4_ifelse($#,0,,[[($@)]])]]) ]]) m4_define(yy[[wrap]], [[M4_YY_PREFIX[[wrap]]m4_ifelse($#,0,,[[($@)]])]])m4_ifdef( [[M4_YY_BISON_LVAL]],[[ m4_define(yy[[get_lval]], [[M4_YY_PREFIX[[get_lval]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_lval]], [[M4_YY_PREFIX[[set_lval]]m4_ifelse($#,0,,[[($@)]])]])]])m4_ifdef( [[]], m4_define(yy[[get_lloc]], [[M4_YY_PREFIX[[get_lloc]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[set_lloc]], [[M4_YY_PREFIX[[set_lloc]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[alloc]], [[M4_YY_PREFIX[[alloc]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[realloc]], [[M4_YY_PREFIX[[realloc]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[free]], [[M4_YY_PREFIX[[free]]m4_ifelse($#,0,,[[($@)]])]])m4_ifdef( [[M4_YY_NOT_REENTRANT]], m4_define(yy[[text]], [[M4_YY_PREFIX[[text]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[leng]], [[M4_YY_PREFIX[[leng]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[in]], [[M4_YY_PREFIX[[in]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[out]], [[M4_YY_PREFIX[[out]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[_flex_debug]], [[M4_YY_PREFIX[[_flex_debug]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[lineno]], [[M4_YY_PREFIX[[lineno]]m4_ifelse($#,0,,[[($@)]])]])m4_ifdef( [[M4_YY_TABLES_EXTERNAL]], m4_define(yy[[tables_fload]], [[M4_YY_PREFIX[[tables_fload]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[tables_destroy]], [[M4_YY_PREFIX[[tables_destroy]]m4_ifelse($#,0,,[[($@)]])]]) m4_define(yy[[TABLES_NAME]], [[M4_YY_PREFIX[[TABLES_NAME]]m4_ifelse($#,0,,[[($@)]])]])/* First, we deal with platform-specific or compiler-specific issues. *//* begin standard C headers. */#include #include #include #include %if-tables-serialization#include #include /* end standard C headers. */%if-c-or-c++/* flex integer type definitions */#ifndef FLEXINT_H#define FLEXINT_H/* C99 systems have . Non-C99 systems may or may not. */#if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L/* C99 says to define __STDC_LIMIT_MACROS before including stdint.h, * if you want the limit (max/min) macros for int types. */#ifndef __STDC_LIMIT_MACROS#define __STDC_LIMIT_MACROS 1#include typedef int8_t flex_int8_t;typedef uint8_t flex_uint8_t;typedef int16_t flex_int16_t;typedef uint16_t flex_uint16_t;typedef int32_t flex_int32_t;typedef uint32_t flex_uint32_t;#elsetypedef signed char flex_int8_t;typedef short int flex_int16_t;typedef int flex_int32_t;typedef unsigned char flex_uint8_t; typedef unsigned short int flex_uint16_t;typedef unsigned int flex_uint32_t;#endif /* ! C99 *//* Limits of integral types. */#ifndef INT8_MIN#define INT8_MIN (-128)#ifndef INT16_MIN#define INT16_MIN (-32767-1)#ifndef INT32_MIN#define INT32_MIN (-2147483647-1)#ifndef INT8_MAX#define INT8_MAX (127)#ifndef INT16_MAX#define INT16_MAX (32767)#ifndef INT32_MAX#define INT32_MAX (2147483647)#ifndef UINT8_MAX#define UINT8_MAX (255U)#ifndef UINT16_MAX#define UINT16_MAX (65535U)#ifndef UINT32_MAX#define UINT32_MAX (4294967295U)#endif /* ! FLEXINT_H *//* begin standard C++ headers. */#include #include #include /* end standard C++ headers. */#ifdef __cplusplus/* The "const" storage-class-modifier is valid. */#define YY_USE_CONST#else /* ! __cplusplus *//* C99 requires __STDC__ to be defined as 1. */#if defined (__STDC__)#endif /* defined (__STDC__) */#endif /* ! __cplusplus */#ifdef YY_USE_CONST#define yyconst const#define yyconst%# For compilers that can not handle prototypes.%# e.g.,%# The function prototype%# int foo(int x, char* y);%# ...should be written as%# int foo M4_YY_PARAMS(int x, char* y);%# ...which could possibly generate%# int foo ();m4_ifdef( [[M4_YY_NO_ANSI_FUNC_PROTOS]], m4_define( [[M4_YY_PARAMS]], [[()]])]], m4_define( [[M4_YY_PARAMS]], [[($*)]])/* Returned upon end-of-file. */#define YY_NULL 0/* Promotes a possibly negative, possibly signed char to an unsigned * integer for use as an array index. If the signed char is negative, * we want to instead treat it as an 8-bit unsigned char, hence the * double cast.#define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)%if-reentrant/* An opaque pointer. */#ifndef YY_TYPEDEF_YY_SCANNER_T#define YY_TYPEDEF_YY_SCANNER_Ttypedef void* yyscan_t;%# Declare yyguts variablem4_define( [[M4_YY_DECL_GUTS_VAR]], [[struct yyguts_t * yyg = (struct yyguts_t*)yyscanner]])%# For use wherever a Global is accessed or assigned.m4_define( [[YY_G]], [[yyg->$1]])%# For use in function prototypes to append the additional argument.m4_define( [[M4_YY_PROTO_LAST_ARG]], [[, yyscan_t yyscanner]])m4_define( [[M4_YY_PROTO_ONLY_ARG]], [[yyscan_t yyscanner]])%# For use in function definitions to append the additional argument.m4_ifdef( [[M4_YY_NO_ANSI_FUNC_DEFS]], m4_define( [[M4_YY_DEF_LAST_ARG]], [[, yyscanner]]) m4_define( [[M4_YY_DEF_ONLY_ARG]], [[yyscanner]]) m4_define( [[M4_YY_DEF_LAST_ARG]], [[, yyscan_t yyscanner]]) m4_define( [[M4_YY_DEF_ONLY_ARG]], [[yyscan_t yyscanner]])m4_define( [[M4_YY_DECL_LAST_ARG]], [[yyscan_t yyscanner;]])%# For use in function calls to pass the additional argument.m4_define( [[M4_YY_CALL_LAST_ARG]], [[, yyscanner]])m4_define( [[M4_YY_CALL_ONLY_ARG]], [[yyscanner]])%# For use in function documentation to adjust for additional argument.m4_define( [[M4_YY_DOC_PARAM]], [[@param yyscanner The scanner object.]])/* For convenience, these vars (plus the bison vars far below) are macros in the reentrant scanner. */#define yyin YY_G(yyin_r)#define yyout YY_G(yyout_r)#define yyextra YY_G(yyextra_r)#define yyleng YY_G(yyleng_r)#define yytext YY_G(yytext_r)#define yylineno (YY_CURRENT_BUFFER_LVALUE->yy_bs_lineno)#define yycolumn (YY_CURRENT_BUFFER_LVALUE->yy_bs_column)#define yy_flex_debug YY_G(yy_flex_debug_r)m4_define( [[M4_YY_INCR_LINENO]],[[ do{ yylineno++; yycolumn=0; }while(0) yylineno++;%# Define these macros to be no-ops.m4_define( [[M4_YY_DECL_GUTS_VAR]], [[m4_dnl]])m4_define( [[YY_G]], [[($1)]])m4_define( [[M4_YY_PROTO_LAST_ARG]])m4_define( [[M4_YY_PROTO_ONLY_ARG]], [[void]])m4_define( [[M4_YY_DEF_LAST_ARG]]) m4_define( [[M4_YY_DEF_ONLY_ARG]]) m4_define( [[M4_YY_DEF_ONLY_ARG]], [[void]])m4_define([[M4_YY_DECL_LAST_ARG]])m4_define([[M4_YY_CALL_LAST_ARG]])m4_define([[M4_YY_CALL_ONLY_ARG]])m4_define( [[M4_YY_DOC_PARAM]], [[]])%# For compilers that need traditional function definitions.%# The function prototype taking 2 arguments%# int foo (int x, char* y)%# int foo YYFARGS2(int,x, char*,y)%# int foo (x,y,yyscanner)%# int x;%# char * y;%# yyscan_t yyscanner;%# Generate traditional function defs m4_define( [[YYFARGS0]], [[(M4_YY_DEF_ONLY_ARG) [[\]] M4_YY_DECL_LAST_ARG]]) m4_define( [[YYFARGS1]], [[($2 M4_YY_DEF_LAST_ARG) [[\]] $1 $2; [[\]] m4_define( [[YYFARGS2]], [[($2,$4 M4_YY_DEF_LAST_ARG) [[\]] $3 $4; [[\]] m4_define( [[YYFARGS3]], [[($2,$4,$6 M4_YY_DEF_LAST_ARG) [[\]] $5 $6; [[\]]%# Generate C99 function defs. m4_define( [[YYFARGS0]], [[(M4_YY_DEF_ONLY_ARG)]]) m4_define( [[YYFARGS1]], [[($1 $2 M4_YY_DEF_LAST_ARG)]]) m4_define( [[YYFARGS2]], [[($1 $2, $3 $4 M4_YY_DEF_LAST_ARG)]]) m4_define( [[YYFARGS3]], [[($1 $2, $3 $4, $5 $6 M4_YY_DEF_LAST_ARG)]])m4_ifdef( [[M4_YY_NOT_IN_HEADER]],/* Enter a start condition. This macro really ought to take a parameter, * but we do it the disgusting crufty way forced on us by the ()-less * definition of BEGIN.#define BEGIN YY_G(yy_start) = 1 + 2 */* Translate the current start state into a value that can be later handed * to BEGIN to return to the state. The YYSTATE alias is for lex * compatibility.#define YY_START ((YY_G(yy_start) - 1) / 2)#define YYSTATE YY_START/* Action number for EOF rule of a given start state. */#define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)/* Special action meaning "start processing a new file". */#define YY_NEW_FILE yyrestart( yyin M4_YY_CALL_LAST_ARG )#define YY_END_OF_BUFFER_CHAR 0/* Size of default input buffer. */#ifndef YY_BUF_SIZE#define YY_BUF_SIZE 16384/* The state buf must be large enough to hold one state per character in the main buffer.#define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))#ifndef YY_TYPEDEF_YY_BUFFER_STATE#define YY_TYPEDEF_YY_BUFFER_STATEtypedef struct yy_buffer_state *YY_BUFFER_STATE;extern int yyleng;extern FILE *yyin, *yyout;#define EOB_ACT_CONTINUE_SCAN 0#define EOB_ACT_END_OF_FILE 1#define EOB_ACT_LAST_MATCH 2 m4_ifdef( [[M4_YY_USE_LINENO]], /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires * access to the local variable yy_act. Since yyless() is a macro, it would break * existing scanners that call yyless() from OUTSIDE yylex. * One obvious solution it to make yy_act a global. I tried that, and saw * a 5% performance hit in a non-yylineno scanner, because yy_act is * normally declared as a register variable-- so it is not worth it. #define YY_LESS_LINENO(n) \ do { \ int yyl;\ for ( yyl = n; yyl < yyleng; ++yyl )\ if ( yytext[yyl] == '\n' )\ --yylineno;\ }while(0) ]], #define YY_LESS_LINENO(n)/* Return all but the first "n" matched characters back to the input stream. */#define yyless(n) \ do \ { \ /* Undo effects of setting up yytext. */ \ int yyless_macro_arg = (n); \ YY_LESS_LINENO(yyless_macro_arg);\ *yy_cp = YY_G(yy_hold_char); \ YY_RESTORE_YY_MORE_OFFSET \ YY_G(yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \ YY_DO_BEFORE_ACTION; /* set up yytext again */ \ } \ while ( 0 )#define unput(c) yyunput( c, YY_G(yytext_ptr) M4_YY_CALL_LAST_ARG )#ifndef YY_TYPEDEF_YY_SIZE_T#define YY_TYPEDEF_YY_SIZE_Ttypedef size_t yy_size_t;#ifndef YY_STRUCT_YY_BUFFER_STATE#define YY_STRUCT_YY_BUFFER_STATEstruct yy_buffer_state { FILE *yy_input_file; std::istream* yy_input_file; char *yy_ch_buf; /* input buffer */ char *yy_buf_pos; /* current position in input buffer */ /* Size of input buffer in bytes, not including room for EOB * characters. */ yy_size_t yy_buf_size; /* Number of characters read into yy_ch_buf, not including EOB int yy_n_chars; /* Whether we "own" the buffer - i.e., we know we created it, * and can realloc() it to grow it, and should free() it to * delete it. int yy_is_our_buffer; /* Whether this is an "interactive" input source; if so, and * if we're using stdio for input, then we want to use getc() * instead of fread(), to make sure we stop fetching input after * each newline. int yy_is_interactive; /* Whether we're considered to be at the beginning of a line. * If so, '^' rules will be active on the next match, otherwise * not. int yy_at_bol; int yy_bs_lineno; /**< The line count. */ int yy_bs_column; /**< The column count. */ /* Whether to try to fill the input buffer when we reach the * end of it. int yy_fill_buffer; int yy_buffer_status;#define YY_BUFFER_NEW 0#define YY_BUFFER_NORMAL 1 /* When an EOF's been seen but there's still some text to process * then we mark the buffer as YY_EOF_PENDING, to indicate that we * shouldn't try reading from the input source any more. We might * still have a bunch of tokens to match, though, because of * possible backing-up. * * When we actually see the EOF, we change the status to "new" * (via yyrestart()), so that the user can continue scanning by * just pointing yyin at a new input file.#define YY_BUFFER_EOF_PENDING 2 };#endif /* !YY_STRUCT_YY_BUFFER_STATE */%if-c-only Standard (non-C++) definition/* Stack of input buffers. */static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. *//* We provide macros for accessing buffer states in case in the * future we want to put the buffer states in a more general * "scanner state". * * Returns the top of the stack, or NULL.#define YY_CURRENT_BUFFER ( YY_G(yy_buffer_stack) \ ? YY_G(yy_buffer_stack)[YY_G(yy_buffer_stack_top)] \ : NULL)/* Same as previous macro, but useful when we know that the buffer stack is not * NULL or when we need an lvalue. For internal use only.#define YY_CURRENT_BUFFER_LVALUE YY_G(yy_buffer_stack)[YY_G(yy_buffer_stack_top)]/* yy_hold_char holds the character lost when yytext is formed. */static char yy_hold_char;static int yy_n_chars; /* number of characters read into yy_ch_buf */int yyleng;/* Points to current character in buffer. */static char *yy_c_buf_p = (char *) 0;static int yy_init = 0; /* whether we need to initialize */static int yy_start = 0; /* start state number *//* Flag which is used to allow yywrap()'s to do buffer switches * instead of setting up a fresh yyin. A bit of a hack ...static int yy_did_buffer_switch_on_eof;void yyrestart M4_YY_PARAMS( FILE *input_file M4_YY_PROTO_LAST_ARG );void yy_switch_to_buffer M4_YY_PARAMS( YY_BUFFER_STATE new_buffer M4_YY_PROTO_LAST_ARG );YY_BUFFER_STATE yy_create_buffer M4_YY_PARAMS( FILE *file, int size M4_YY_PROTO_LAST_ARG );void yy_delete_buffer M4_YY_PARAMS( YY_BUFFER_STATE b M4_YY_PROTO_LAST_ARG );void yy_flush_buffer M4_YY_PARAMS( YY_BUFFER_STATE b M4_YY_PROTO_LAST_ARG );void yypush_buffer_state M4_YY_PARAMS( YY_BUFFER_STATE new_buffer M4_YY_PROTO_LAST_ARG );void yypop_buffer_state M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static void yyensure_buffer_stack M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static void yy_load_buffer_state M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static void yy_init_buffer M4_YY_PARAMS( YY_BUFFER_STATE b, FILE *file M4_YY_PROTO_LAST_ARG );#define YY_FLUSH_BUFFER yy_flush_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG)YY_BUFFER_STATE yy_scan_buffer M4_YY_PARAMS( char *base, yy_size_t size M4_YY_PROTO_LAST_ARG );YY_BUFFER_STATE yy_scan_string M4_YY_PARAMS( yyconst char *yy_str M4_YY_PROTO_LAST_ARG );YY_BUFFER_STATE yy_scan_bytes M4_YY_PARAMS( yyconst char *bytes, int len M4_YY_PROTO_LAST_ARG );void *yyalloc M4_YY_PARAMS( yy_size_t M4_YY_PROTO_LAST_ARG );void *yyrealloc M4_YY_PARAMS( void *, yy_size_t M4_YY_PROTO_LAST_ARG );void yyfree M4_YY_PARAMS( void * M4_YY_PROTO_LAST_ARG );#define yy_new_buffer yy_create_buffer#define yy_set_interactive(is_interactive) \ { \ if ( ! YY_CURRENT_BUFFER ){ \ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); \ YY_CURRENT_BUFFER_LVALUE = \ yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); \ } \ YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \ }#define yy_set_bol(at_bol) \ if ( ! YY_CURRENT_BUFFER ){\ YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \#define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)%% [1.0] yytext/yyin/yyout/yy_state_type/yylineno etc. def's & init go herestatic yy_state_type yy_get_previous_state M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static yy_state_type yy_try_NUL_trans M4_YY_PARAMS( yy_state_type current_state M4_YY_PROTO_LAST_ARG);static int yy_get_next_buffer M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static void yy_fatal_error M4_YY_PARAMS( yyconst char msg[] M4_YY_PROTO_LAST_ARG );/* Done after the current pattern has been matched and before the * corresponding action - sets up yytext.#define YY_DO_BEFORE_ACTION \ YY_G(yytext_ptr) = yy_bp; \%% [2.0] code to fiddle yytext and yyleng for yymore() goes here \ YY_G(yy_hold_char) = *yy_cp; \ *yy_cp = '\0'; \%% [3.0] code to copy yytext_ptr to yytext[] goes here, if %array \ YY_G(yy_c_buf_p) = yy_cp;%% [4.0] data tables for the DFA and the user's section 1 definitions go herem4_ifdef( [[M4_YY_IN_HEADER]], [[#ifdef YY_HEADER_EXPORT_START_CONDITIONS]])M4_YY_SC_DEFSm4_ifdef( [[M4_YY_IN_HEADER]], [[#endif]])m4_ifdef( [[M4_YY_NO_UNISTD_H]],,#ifndef YY_NO_UNISTD_H/* Special case for "unistd.h", since it is non-ANSI. We include it way * down here because we want the user's section 1 to have been scanned first. * The user has a chance to override it with an option.#include m4_ifdef( [[M4_EXTRA_TYPE_DEFS]],#define YY_EXTRA_TYPE M4_EXTRA_TYPE_DEFS#ifndef YY_EXTRA_TYPE#define YY_EXTRA_TYPE void *]]%if-c-only Reentrant structure and macros (non-C++)./* Holds the entire state of the reentrant scanner. */struct yyguts_t { /* User-defined. Not touched by flex. */ YY_EXTRA_TYPE yyextra_r; /* The rest are the same as the globals declared in the non-reentrant scanner. */ FILE *yyin_r, *yyout_r; size_t yy_buffer_stack_top; /**< index of top of stack. */ size_t yy_buffer_stack_max; /**< capacity of stack. */ YY_BUFFER_STATE * yy_buffer_stack; /**< Stack as an array. */ char yy_hold_char; int yy_n_chars; int yyleng_r; char *yy_c_buf_p; int yy_init; int yy_start; int yy_did_buffer_switch_on_eof; int yy_start_stack_ptr; int yy_start_stack_depth; int *yy_start_stack; yy_state_type yy_last_accepting_state; char* yy_last_accepting_cpos; int yylineno_r; int yy_flex_debug_r;m4_ifdef( [[M4_YY_USES_REJECT]], yy_state_type *yy_state_buf; yy_state_type *yy_state_ptr; char *yy_full_match; int yy_lp; /* These are only needed for trailing context rules, * but there's no conditional variable for that yet. */ int yy_looking_for_trail_begin; int yy_full_lp; int *yy_full_state;m4_ifdef( [[M4_YY_TEXT_IS_ARRAY]], char yytext_r[YYLMAX]; char *yytext_ptr; int yy_more_offset; int yy_prev_more_offset; char *yytext_r; int yy_more_flag; int yy_more_len; YYSTYPE * yylval_r; YYLTYPE * yylloc_r; }; /* end struct yyguts_t */static int yy_init_globals M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG ); m4_ifdef( [[M4_YY_BISON_LVAL]], /* This must go here because YYSTYPE and YYLTYPE are included * from bison output in section 1.*/ # define yylval YY_G(yylval_r) m4_ifdef( [[]], # define yylloc YY_G(yylloc_r)int yylex_init M4_YY_PARAMS(yyscan_t* scanner);int yylex_init_extra M4_YY_PARAMS( YY_EXTRA_TYPE user_defined, yyscan_t* scanner);%endif End reentrant structures and macros./* Accessor methods to globals. These are made visible to non-reentrant scanners for convenience. */m4_ifdef( [[M4_YY_NO_DESTROY]],,int yylex_destroy M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_GET_DEBUG]],,int yyget_debug M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_SET_DEBUG]],,void yyset_debug M4_YY_PARAMS( int debug_flag M4_YY_PROTO_LAST_ARG );m4_ifdef( [[M4_YY_NO_GET_EXTRA]],,YY_EXTRA_TYPE yyget_extra M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_SET_EXTRA]],,void yyset_extra M4_YY_PARAMS( YY_EXTRA_TYPE user_defined M4_YY_PROTO_LAST_ARG );m4_ifdef( [[M4_YY_NO_GET_IN]],,FILE *yyget_in M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_SET_IN]],,void yyset_in M4_YY_PARAMS( FILE * in_str M4_YY_PROTO_LAST_ARG );m4_ifdef( [[M4_YY_NO_GET_OUT]],,FILE *yyget_out M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_SET_OUT]],,void yyset_out M4_YY_PARAMS( FILE * out_str M4_YY_PROTO_LAST_ARG );m4_ifdef( [[M4_YY_NO_GET_LENG]],,int yyget_leng M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_GET_TEXT]],,char *yyget_text M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_GET_LINENO]],,int yyget_lineno M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_ifdef( [[M4_YY_NO_SET_LINENO]],,void yyset_lineno M4_YY_PARAMS( int line_number M4_YY_PROTO_LAST_ARG );%if-bison-bridgem4_ifdef( [[M4_YY_NO_GET_LVAL]],,YYSTYPE * yyget_lval M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );void yyset_lval M4_YY_PARAMS( YYSTYPE * yylval_param M4_YY_PROTO_LAST_ARG ); m4_ifdef( [[M4_YY_NO_GET_LLOC]],, YYLTYPE *yyget_lloc M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG ); m4_ifdef( [[M4_YY_NO_SET_LLOC]],, void yyset_lloc M4_YY_PARAMS( YYLTYPE * yylloc_param M4_YY_PROTO_LAST_ARG );/* Macros after this point can all be overridden by user definitions in * section 1.#ifndef YY_SKIP_YYWRAPextern "C" int yywrap M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );extern int yywrap M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG ); m4_ifdef( [[M4_YY_NO_UNPUT]],, static void yyunput M4_YY_PARAMS( int c, char *buf_ptr M4_YY_PROTO_LAST_ARG);#ifndef yytext_ptrstatic void yy_flex_strncpy M4_YY_PARAMS( char *, yyconst char *, int M4_YY_PROTO_LAST_ARG);#ifdef YY_NEED_STRLENstatic int yy_flex_strlen M4_YY_PARAMS( yyconst char * M4_YY_PROTO_LAST_ARG);#ifndef YY_NO_INPUTstatic int yyinput M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );static int input M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );%# TODO: This is messy.m4_ifdef( [[M4_YY_STACK_USED]], m4_ifdef( [[M4_YY_NOT_IN_HEADER]], static int yy_start_stack_ptr = 0; static int yy_start_stack_depth = 0; static int *yy_start_stack = NULL; m4_ifdef( [[M4_YY_NO_PUSH_STATE]],, static void yy_push_state M4_YY_PARAMS( int new_state M4_YY_PROTO_LAST_ARG); m4_ifdef( [[M4_YY_NO_POP_STATE]],, static void yy_pop_state M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG ); m4_ifdef( [[M4_YY_NO_TOP_STATE]],, static int yy_top_state M4_YY_PARAMS( M4_YY_PROTO_ONLY_ARG );m4_define( [[M4_YY_NO_PUSH_STATE]])m4_define( [[M4_YY_NO_POP_STATE]])m4_define( [[M4_YY_NO_TOP_STATE]])/* Amount of stuff to slurp up with each read. */#ifndef YY_READ_BUF_SIZE#define YY_READ_BUF_SIZE 8192/* Copy whatever the last rule matched to the standard output. */#ifndef ECHO/* This used to be an fputs(), but since the string might contain NUL's, * we now use fwrite().#define ECHO fwrite( yytext, yyleng, 1, yyout )%if-c++-only C++ definition#define ECHO LexerOutput( yytext, yyleng )/* Gets input and stuffs it into "buf". number of characters read, or YY_NULL, * is returned in "result".#ifndef YY_INPUT#define YY_INPUT(buf,result,max_size) \%% [5.0] fread()/read() definition of YY_INPUT goes here unless we're doing C++ \\%if-c++-only C++ definition \ if ( (result = LexerInput( (char *) buf, max_size )) < 0 ) \ YY_FATAL_ERROR( "input in flex scanner failed" );/* No semi-colon after return; correct usage is to write "yyterminate();" - * we don't want an extra ';' after the "return" because that will cause * some compilers to complain about unreachable statements.#ifndef yyterminate#define yyterminate() return YY_NULL/* Number of entries by which start-condition stack grows. */#ifndef YY_START_STACK_INCR#define YY_START_STACK_INCR 25/* Report a fatal error. */#ifndef YY_FATAL_ERROR#define YY_FATAL_ERROR(msg) yy_fatal_error( msg M4_YY_CALL_LAST_ARG)#define YY_FATAL_ERROR(msg) LexerError( msg )%if-tables-serialization structures and prototypes#ifdef FLEX_SCANNER/*dnl tables_shared.h - tables serialization headerdnldnl Copyright (c) 1990 The Regents of the University of California.dnl All rights reserved.dnl This code is derived from software contributed to Berkeley bydnl Vern Paxson.dnl The United States Government has rights in this work pursuantdnl to contract no. DE-AC03-76SF00098 between the United Statesdnl Department of Energy and the University of California.dnl This file is part of flex.dnl Redistribution and use in source and binary forms, with or withoutdnl modification, are permitted provided that the following conditionsdnl are met:dnl 1. Redistributions of source code must retain the above copyrightdnl notice, this list of conditions and the following disclaimer.dnl 2. Redistributions in binary form must reproduce the above copyrightdnl notice, this list of conditions and the following disclaimer in thednl documentation and/or other materials provided with the distribution.dnl Neither the name of the University nor the names of its contributorsdnl may be used to endorse or promote products derived from this softwarednl without specific prior written permission.dnl THIS SOFTWARE IS PROVIDED `AS IS' AND WITHOUT ANY EXPRESS ORdnl IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIEDdnl WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARdnl PURPOSE. dnl This file is meant to be included in both the skeleton and the actualdnl flex code (hence the name "_shared").*/#ifndef yyskel_static#define yyskel_static static#define yyskel_static/* Structures and prototypes for serializing flex tables. The * binary format is documented in the manual. * Design considerations: * - The format allows many tables per file. * - The tables can be streamed. * - All data is stored in network byte order. * - We do not hinder future unicode support. * - We can lookup tables by name./** Magic number for serialized format. */#ifndef YYTBL_MAGIC#define YYTBL_MAGIC 0xF13C57B1/** Calculate (0-7) = number bytes needed to pad n to next 64-bit boundary. */#ifndef yypad64#define yypad64(n) ((8-((n)%8))%8)#ifndef YYTABLES_TYPES#define YYTABLES_TYPES/** Possible values for td_id field. Each one corresponds to a * scanner table of the same name.enum yytbl_id { YYTD_ID_ACCEPT = 0x01, /**< 1-dim ints */ YYTD_ID_BASE = 0x02, /**< 1-dim ints */ YYTD_ID_CHK = 0x03, /**< 1-dim ints */ YYTD_ID_DEF = 0x04, /**< 1-dim ints */ YYTD_ID_EC = 0x05, /**< 1-dim ints */ YYTD_ID_META = 0x06, /**< 1-dim ints */ YYTD_ID_NUL_TRANS = 0x07, /**< 1-dim ints, maybe indices */ YYTD_ID_NXT = 0x08, /**< may be 2 dimensional ints */ YYTD_ID_RULE_CAN_MATCH_EOL = 0x09, /**< 1-dim ints */ YYTD_ID_START_STATE_LIST = 0x0A, /**< 1-dim indices into trans tbl */ YYTD_ID_TRANSITION = 0x0B, /**< structs */ YYTD_ID_ACCLIST = 0x0C /**< 1-dim ints */};/** bit flags for t_flags field of struct yytbl_data */enum yytbl_flags { /* These first three are mutually exclusive */ YYTD_DATA8 = 0x01, /**< data is an array of type flex_int8_t */ YYTD_DATA16 = 0x02, /**< data is an array of type flex_int16_t */ YYTD_DATA32 = 0x04, /**< data is an array of type flex_int32_t */ /* These two are mutually exclusive. */ YYTD_PTRANS = 0x08, /**< data is a list of indexes of entries into the expanded yy_transition array. See notes in manual. */ YYTD_STRUCT = 0x10 /**< data consists of yy_trans_info structs *//* The serialized tables header. */struct yytbl_hdr { flex_uint32_t th_magic; /**< Must be 0xF13C57B1 (comes from "Flex Table") */ flex_uint32_t th_hsize; /**< Size of this header in bytes. */ flex_uint32_t th_ssize; /**< Size of this dataset, in bytes, including header. */ flex_uint16_t th_flags; /**< Currently unused, must be 0 */ char *th_version; /**< Flex version string. NUL terminated. */ char *th_name; /**< The name of this table set. NUL terminated. *//** A single serialized table */struct yytbl_data { flex_uint16_t td_id; /**< enum yytbl_id table identifier */ flex_uint16_t td_flags; /**< how to interpret this data */ flex_uint32_t td_hilen; /**< num elements in highest dimension array */ flex_uint32_t td_lolen; /**< num elements in lowest dimension array */ void *td_data; /**< table data *//** Extract corresponding data size_t from td_flags */#ifndef YYTDFLAGS2BYTES#define YYTDFLAGS2BYTES(td_flags)\ (((td_flags) & YYTD_DATA8)\ ? sizeof(flex_int8_t)\ :(((td_flags) & YYTD_DATA16)\ ? sizeof(flex_int16_t)\ :sizeof(flex_int32_t)))yyskel_static flex_int32_t yytbl_calc_total_len (const struct yytbl_data *tbl);/* vim:set noexpandtab cindent tabstop=8 softtabstop=0 shiftwidth=8 textwidth=0: *//* Load the DFA tables from the given stream. */int yytables_fload M4_YY_PARAMS(FILE * fp M4_YY_PROTO_LAST_ARG);/* Unload the tables from memory. */int yytables_destroy M4_YY_PARAMS(M4_YY_PROTO_ONLY_ARG);/** Describes a mapping from a serialized table id to its deserialized state in * this scanner. This is the bridge between our "generic" deserialization code * and the specifics of this scanner. struct yytbl_dmap { enum yytbl_id dm_id;/**< table identifier */ void **dm_arr; /**< address of pointer to store the deserialized table. */ size_t dm_sz; /**< local sizeof() each element in table. *//** A {0,0,0}-terminated list of structs, forming the map */static struct yytbl_dmap yydmap[] ={%tables-yydmap generated elements {0,0,0}/** A tables-reader object to maintain some state in the read. */struct yytbl_reader { FILE * fp; /**< input stream */ flex_uint32_t bread; /**< bytes read since beginning of current tableset *//* end tables serialization structures and prototypes *//* Default declaration of generated scanner - a define so the user can * easily add parameters.#ifndef YY_DECL#define YY_DECL_IS_OURS 1m4_define( [[M4_YY_LEX_PROTO]], [[M4_YY_PARAMS(M4_YY_PROTO_ONLY_ARG)]])m4_define( [[M4_YY_LEX_DECLARATION]], [[YYFARGS0(void)]]) m4_dnl The bison pure parser is used. Redefine yylex to m4_dnl accept the lval parameter. m4_define( [[M4_YY_LEX_PROTO]], [[\]] [[M4_YY_PARAMS(YYSTYPE * yylval_param M4_YY_PROTO_LAST_ARG)]]) m4_define( [[M4_YY_LEX_DECLARATION]], [[\]] [[YYFARGS1(YYSTYPE *,yylval_param)]]) m4_dnl Locations are used. yylex should also accept the ylloc parameter. [[M4_YY_PARAMS(YYSTYPE * yylval_param, YYLTYPE * yylloc_param M4_YY_PROTO_LAST_ARG)]]) [[YYFARGS2(YYSTYPE *,yylval_param, YYLTYPE *,yylloc_param)]])extern int yylex M4_YY_LEX_PROTO;#define YY_DECL int yylex M4_YY_LEX_DECLARATION#define YY_DECL int yyFlexLexer::yylex()#endif /* !YY_DECL *//* Code executed at the beginning of each rule, after yytext and yyleng * have been set up.#ifndef YY_USER_ACTION#define YY_USER_ACTION/* Code executed at the end of each rule. */#ifndef YY_BREAK#define YY_BREAK break;%% [6.0] YY_RULE_SETUP definition goes here/** The main scanner function which does all the work.YY_DECL register yy_state_type yy_current_state; register char *yy_cp, *yy_bp; register int yy_act; M4_YY_DECL_GUTS_VAR(); YYSTYPE * yylval; YYLTYPE * yylloc;%% [7.0] user's declarations go here yylval = yylval_param; yylloc = yylloc_param; if ( !YY_G(yy_init) ) { YY_G(yy_init) = 1;#ifdef YY_USER_INIT YY_USER_INIT; /* Create the reject buffer large enough to save one state per allowed character. */ if ( ! YY_G(yy_state_buf) ) YY_G(yy_state_buf) = (yy_state_type *)yyalloc(YY_STATE_BUF_SIZE M4_YY_CALL_LAST_ARG); if ( ! YY_G(yy_state_buf) ) YY_FATAL_ERROR( "out of dynamic memory in yylex()" ); if ( ! YY_G(yy_start) ) YY_G(yy_start) = 1; /* first start state */ if ( ! yyin ) yyin = stdin; yyin = & std::cin; if ( ! yyout ) yyout = stdout; yyout = & std::cout; if ( ! YY_CURRENT_BUFFER ) { yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); } yy_load_buffer_state( M4_YY_CALL_ONLY_ARG ); while ( 1 ) /* loops until end-of-file is reached */%% [8.0] yymore()-related code goes here yy_cp = YY_G(yy_c_buf_p); /* Support of yytext. */ *yy_cp = YY_G(yy_hold_char); /* yy_bp points to the position in yy_ch_buf of the start of * the current run. */ yy_bp = yy_cp;%% [9.0] code to set up and find next match goes hereyy_find_action:%% [10.0] code to find the action number goes here YY_DO_BEFORE_ACTION;%% [11.0] code for yylineno update goes heredo_action: /* This label is used only to access EOF actions. */%% [12.0] debug code goes here switch ( yy_act ) { /* beginning of action switch */%% [13.0] actions go here case YY_END_OF_BUFFER: /* Amount of text matched not including the EOB char. */ int yy_amount_of_matched_text = (int) (yy_cp - YY_G(yytext_ptr)) - 1; /* Undo the effects of YY_DO_BEFORE_ACTION. */ YY_RESTORE_YY_MORE_OFFSET if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW ) { /* We're scanning a new file or input source. It's * possible that this happened because the user * just pointed yyin at a new source and called * yylex(). If so, then we have to assure * consistency between YY_CURRENT_BUFFER and our * globals. Here is the right place to do so, because * this is the first action (other than possibly a * back-up) that will match for the new input source. */ YY_G(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin; YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL; } /* Note that here we test for yy_c_buf_p "<=" to the position * of the first EOB in the buffer, since yy_c_buf_p will * already have been incremented past the NUL character * (since all states make transitions on EOB to the * end-of-buffer state). Contrast this with the test * in input(). if ( YY_G(yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] ) { /* This was really a NUL. */ yy_state_type yy_next_state; YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( M4_YY_CALL_ONLY_ARG ); /* Okay, we're now positioned to make the NUL * transition. We couldn't have * yy_get_previous_state() go ahead and do it * for us because it doesn't know how to deal * with the possibility of jamming (and we don't * want to build jamming into it because then it * will run more slowly). yy_next_state = yy_try_NUL_trans( yy_current_state M4_YY_CALL_LAST_ARG); yy_bp = YY_G(yytext_ptr) + YY_MORE_ADJ; if ( yy_next_state ) { /* Consume the NUL. */ yy_cp = ++YY_G(yy_c_buf_p); yy_current_state = yy_next_state; goto yy_match; } else%% [14.0] code to do back-up for compressed tables and set up yy_cp goes here goto yy_find_action; else switch ( yy_get_next_buffer( M4_YY_CALL_ONLY_ARG ) ) case EOB_ACT_END_OF_FILE: YY_G(yy_did_buffer_switch_on_eof) = 0; if ( yywrap( M4_YY_CALL_ONLY_ARG ) ) { /* Note: because we've taken care in * yy_get_next_buffer() to have set up * yytext, we can now set up * yy_c_buf_p so that if some total * hoser (like flex itself) wants to * call the scanner after we return the * YY_NULL, it'll still work - another * YY_NULL will get returned. */ YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + YY_MORE_ADJ; yy_act = YY_STATE_EOF(YY_START); goto do_action; } else if ( ! YY_G(yy_did_buffer_switch_on_eof) ) YY_NEW_FILE; break; case EOB_ACT_CONTINUE_SCAN: YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + yy_amount_of_matched_text; yy_current_state = yy_get_previous_state( M4_YY_CALL_ONLY_ARG ); yy_cp = YY_G(yy_c_buf_p); yy_bp = YY_G(yytext_ptr) + YY_MORE_ADJ; case EOB_ACT_LAST_MATCH: &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)]; break; default: YY_FATAL_ERROR( "fatal flex scanner internal error--no action found" ); } /* end of action switch */ } /* end of scanning one token */} /* end of yylex *//* The contents of this function are C++ specific, so the YY_G macro is not used.yyFlexLexer::yyFlexLexer( std::istream* arg_yyin, std::ostream* arg_yyout ) yyin = arg_yyin; yyout = arg_yyout; yy_c_buf_p = 0; yy_init = 0; yy_start = 0; yy_flex_debug = 0; yylineno = 1; // this will only get updated if %option yylineno yy_did_buffer_switch_on_eof = 0; yy_looking_for_trail_begin = 0; yy_more_flag = 0; yy_more_len = 0; yy_more_offset = yy_prev_more_offset = 0; yy_start_stack_ptr = yy_start_stack_depth = 0; yy_start_stack = NULL; yy_buffer_stack = 0; yy_buffer_stack_top = 0; yy_buffer_stack_max = 0; yy_state_buf = new yy_state_type[YY_STATE_BUF_SIZE]; yy_state_buf = 0;}yyFlexLexer::~yyFlexLexer() delete [] yy_state_buf; yyfree( yy_start_stack M4_YY_CALL_LAST_ARG ); yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); yyfree( yy_buffer_stack M4_YY_CALL_LAST_ARG );void yyFlexLexer::switch_streams( std::istream* new_in, std::ostream* new_out ) if ( new_in ) yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); yy_switch_to_buffer( yy_create_buffer( new_in, YY_BUF_SIZE M4_YY_CALL_LAST_ARG) M4_YY_CALL_LAST_ARG); if ( new_out ) yyout = new_out;#ifdef YY_INTERACTIVEint yyFlexLexer::LexerInput( char* buf, int /* max_size */ )int yyFlexLexer::LexerInput( char* buf, int max_size ) if ( yyin->eof() || yyin->fail() ) return 0; yyin->get( buf[0] ); if ( yyin->eof() ) if ( yyin->bad() ) return -1; return 1; (void) yyin->read( buf, max_size ); else return yyin->gcount();void yyFlexLexer::LexerOutput( const char* buf, int size ) (void) yyout->write( buf, size );/* yy_get_next_buffer - try to read in a new buffer * Returns a code representing an action: * EOB_ACT_LAST_MATCH - * EOB_ACT_CONTINUE_SCAN - continue scanning from current position * EOB_ACT_END_OF_FILE - end of filestatic int yy_get_next_buffer YYFARGS0(void)int yyFlexLexer::yy_get_next_buffer() register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf; register char *source = YY_G(yytext_ptr); register int number_to_move, i; int ret_val; if ( YY_G(yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars) + 1] ) "fatal flex scanner internal error--end of buffer missed" ); if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 ) { /* Don't try to fill the buffer, so this is an EOF. */ if ( YY_G(yy_c_buf_p) - YY_G(yytext_ptr) - YY_MORE_ADJ == 1 ) /* We matched a single character, the EOB, so * treat this as a final EOF. return EOB_ACT_END_OF_FILE; else /* We matched some text prior to the EOB, first * process it. return EOB_ACT_LAST_MATCH; /* Try to read more data. */ /* First move last chars to start of buffer. */ number_to_move = (int) (YY_G(yy_c_buf_p) - YY_G(yytext_ptr)) - 1; for ( i = 0; i < number_to_move; ++i ) *(dest++) = *(source++); if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING ) /* don't do the read, it's not guaranteed to return an EOF, * just force an EOF YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars) = 0; int num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; while ( num_to_read <= 0 ) { /* Not enough room in the buffer - grow it. */ YY_FATAL_ERROR("input buffer overflow, can't enlarge buffer because scanner uses REJECT" ); /* just a shorter name for the current buffer */ YY_BUFFER_STATE b = YY_CURRENT_BUFFER; int yy_c_buf_p_offset = (int) (YY_G(yy_c_buf_p) - b->yy_ch_buf); if ( b->yy_is_our_buffer ) int new_size = b->yy_buf_size * 2; if ( new_size <= 0 ) b->yy_buf_size += b->yy_buf_size / 8; b->yy_buf_size *= 2; b->yy_ch_buf = (char *) /* Include room in for 2 EOB chars. */ yyrealloc( (void *) b->yy_ch_buf, b->yy_buf_size + 2 M4_YY_CALL_LAST_ARG ); /* Can't grow it, we don't own it. */ b->yy_ch_buf = 0; if ( ! b->yy_ch_buf ) YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); YY_G(yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset]; num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1; if ( num_to_read > YY_READ_BUF_SIZE ) num_to_read = YY_READ_BUF_SIZE; /* Read in more data. */ YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]), YY_G(yy_n_chars), (size_t) num_to_read ); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars); if ( YY_G(yy_n_chars) == 0 ) if ( number_to_move == YY_MORE_ADJ ) ret_val = EOB_ACT_END_OF_FILE; yyrestart( yyin M4_YY_CALL_LAST_ARG); ret_val = EOB_ACT_LAST_MATCH; YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_EOF_PENDING; ret_val = EOB_ACT_CONTINUE_SCAN; if ((yy_size_t) (YY_G(yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) { /* Extend the array by 50%, plus the number we really need. */ yy_size_t new_size = YY_G(yy_n_chars) + number_to_move + (YY_G(yy_n_chars) >> 1); YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc( (void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf, new_size M4_YY_CALL_LAST_ARG ); if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" ); YY_G(yy_n_chars) += number_to_move; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] = YY_END_OF_BUFFER_CHAR; YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR; YY_G(yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0]; return ret_val;/* yy_get_previous_state - get the state just before the EOB char was reached */ static yy_state_type yy_get_previous_state YYFARGS0(void) yy_state_type yyFlexLexer::yy_get_previous_state() register char *yy_cp;%% [15.0] code to get the start state into yy_current_state goes here for ( yy_cp = YY_G(yytext_ptr) + YY_MORE_ADJ; yy_cp < YY_G(yy_c_buf_p); ++yy_cp )%% [16.0] code to find the next state goes here return yy_current_state;/* yy_try_NUL_trans - try to make a transition on the NUL character * synopsis * next_state = yy_try_NUL_trans( current_state ); static yy_state_type yy_try_NUL_trans YYFARGS1( yy_state_type, yy_current_state) yy_state_type yyFlexLexer::yy_try_NUL_trans( yy_state_type yy_current_state ) register int yy_is_jam; M4_YY_DECL_GUTS_VAR(); /* This var may be unused depending upon options. */%% [17.0] code to find the next state, and perhaps do backing up, goes here return yy_is_jam ? 0 : yy_current_state;m4_ifdef( [[M4_YY_NO_UNPUT]],, static void yyunput YYFARGS2( int,c, register char *,yy_bp) void yyFlexLexer::yyunput( int c, register char* yy_bp) yy_cp = YY_G(yy_c_buf_p); /* undo effects of setting up yytext */ *yy_cp = YY_G(yy_hold_char); if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) { /* need to shift things up to make room */ /* +2 for EOB chars. */ register int number_to_move = YY_G(yy_n_chars) + 2; register char *dest = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[ YY_CURRENT_BUFFER_LVALUE->yy_buf_size + 2]; register char *source = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]; while ( source > YY_CURRENT_BUFFER_LVALUE->yy_ch_buf ) *--dest = *--source; yy_cp += (int) (dest - source); yy_bp += (int) (dest - source); YY_CURRENT_BUFFER_LVALUE->yy_n_chars = YY_G(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_buf_size; if ( yy_cp < YY_CURRENT_BUFFER_LVALUE->yy_ch_buf + 2 ) YY_FATAL_ERROR( "flex scanner push-back overflow" ); *--yy_cp = (char) c;%% [18.0] update yylineno herem4_ifdef( [[M4_YY_USE_LINENO]], if ( c == '\n' ){ --yylineno; } YY_G(yytext_ptr) = yy_bp; YY_G(yy_hold_char) = *yy_cp; static int yyinput YYFARGS0(void) static int input YYFARGS0(void) int yyFlexLexer::yyinput() int c; *YY_G(yy_c_buf_p) = YY_G(yy_hold_char); if ( *YY_G(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR ) /* yy_c_buf_p now points to the character we want to return. * If this occurs *before* the EOB characters, then it's a * valid NUL; if not, then we've hit the end of the buffer. if ( YY_G(yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[YY_G(yy_n_chars)] ) /* This was really a NUL. */ *YY_G(yy_c_buf_p) = '\0'; { /* need more input */ int offset = YY_G(yy_c_buf_p) - YY_G(yytext_ptr); ++YY_G(yy_c_buf_p); switch ( yy_get_next_buffer( M4_YY_CALL_ONLY_ARG ) ) case EOB_ACT_LAST_MATCH: /* This happens because yy_g_n_b() * sees that we've accumulated a * token and flags that we need to * try matching the token before * proceeding. But for input(), * there's no matching to consider. * So convert the EOB_ACT_LAST_MATCH * to EOB_ACT_END_OF_FILE. /* Reset buffer status. */ yyrestart( yyin M4_YY_CALL_LAST_ARG); /*FALLTHROUGH*/ case EOB_ACT_END_OF_FILE: if ( yywrap( M4_YY_CALL_ONLY_ARG ) ) return EOF; return yyinput(M4_YY_CALL_ONLY_ARG); return input(M4_YY_CALL_ONLY_ARG); case EOB_ACT_CONTINUE_SCAN: YY_G(yy_c_buf_p) = YY_G(yytext_ptr) + offset; break; c = *(unsigned char *) YY_G(yy_c_buf_p); /* cast for 8-bit char's */ *YY_G(yy_c_buf_p) = '\0'; /* preserve yytext */ YY_G(yy_hold_char) = *++YY_G(yy_c_buf_p);%% [19.0] update BOL and yylineno return c;#endif /* ifndef YY_NO_INPUT *//** Immediately switch to a different input stream. * @param input_file A readable stream. * M4_YY_DOC_PARAM * @note This function does not reset the start condition to @c INITIAL . void yyrestart YYFARGS1( FILE *,input_file) void yyFlexLexer::yyrestart( std::istream* input_file ) if ( ! YY_CURRENT_BUFFER ){ yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); YY_CURRENT_BUFFER_LVALUE = yy_create_buffer( yyin, YY_BUF_SIZE M4_YY_CALL_LAST_ARG); yy_init_buffer( YY_CURRENT_BUFFER, input_file M4_YY_CALL_LAST_ARG); yy_load_buffer_state( M4_YY_CALL_ONLY_ARG );/** Switch to a different input buffer. * @param new_buffer The new input buffer. void yy_switch_to_buffer YYFARGS1( YY_BUFFER_STATE ,new_buffer) void yyFlexLexer::yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) /* TODO. We should be able to replace this entire function body * with * yypop_buffer_state(); * yypush_buffer_state(new_buffer); yyensure_buffer_stack (M4_YY_CALL_ONLY_ARG); if ( YY_CURRENT_BUFFER == new_buffer ) return; if ( YY_CURRENT_BUFFER ) /* Flush out information for old buffer. */ *YY_G(yy_c_buf_p) = YY_G(yy_hold_char); YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = YY_G(yy_c_buf_p); YY_CURRENT_BUFFER_LVALUE = new_buffer; /* We don't actually know whether we did this switch during * EOF (yywrap()) processing, but the only time this flag * is looked at is after yywrap() is called, so it's safe * to go ahead and always set it. YY_G(yy_did_buffer_switch_on_eof) = 1;static void yy_load_buffer_state YYFARGS0(void) void yyFlexLexer::yy_load_buffer_state() YY_G(yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars; YY_G(yytext_ptr) = YY_G(yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos; yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file; YY_G(yy_hold_char) = *YY_G(yy_c_buf_p);/** Allocate and initialize an input buffer state. * @param file A readable stream. * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE. * @return the allocated buffer state. YY_BUFFER_STATE yy_create_buffer YYFARGS2( FILE *,file, int ,size) YY_BUFFER_STATE yyFlexLexer::yy_create_buffer( std::istream* file, int size ) YY_BUFFER_STATE b; m4_dnl M4_YY_DECL_GUTS_VAR(); b = (YY_BUFFER_STATE) yyalloc( sizeof( struct yy_buffer_state ) M4_YY_CALL_LAST_ARG ); if ( ! b ) YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); b->yy_buf_size = size; /* yy_ch_buf has to be 2 characters longer than the size given because * we need to put in 2 end-of-buffer characters. b->yy_ch_buf = (char *) yyalloc( b->yy_buf_size + 2 M4_YY_CALL_LAST_ARG ); if ( ! b->yy_ch_buf ) b->yy_is_our_buffer = 1; yy_init_buffer( b, file M4_YY_CALL_LAST_ARG); return b;/** Destroy the buffer. * @param b a buffer created with yy_create_buffer() void yy_delete_buffer YYFARGS1( YY_BUFFER_STATE ,b) void yyFlexLexer::yy_delete_buffer( YY_BUFFER_STATE b ) if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */ YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0; if ( b->yy_is_our_buffer ) yyfree( (void *) b->yy_ch_buf M4_YY_CALL_LAST_ARG ); yyfree( (void *) b M4_YY_CALL_LAST_ARG );m4_ifdef( [[M4_YY_ALWAYS_INTERACTIVE]],, m4_ifdef( [[M4_YY_NEVER_INTERACTIVE]],,#ifndef __cplusplusextern int isatty M4_YY_PARAMS( int );#endif /* __cplusplus */m4_ifdef( [[M4_YY_NEVER_INTERACTIVE]],,extern "C" int isatty M4_YY_PARAMS( int );/* Initializes or reinitializes a buffer. * This function is sometimes called more than once on the same buffer, * such as during a yyrestart() or at EOF. static void yy_init_buffer YYFARGS2( YY_BUFFER_STATE ,b, FILE *,file) void yyFlexLexer::yy_init_buffer( YY_BUFFER_STATE b, std::istream* file ) int oerrno = errno; yy_flush_buffer( b M4_YY_CALL_LAST_ARG); b->yy_input_file = file; b->yy_fill_buffer = 1; /* If b is the current buffer, then yy_init_buffer was _probably_ * called from yyrestart() or through yy_get_next_buffer. * In that case, we don't want to reset the lineno or column. if (b != YY_CURRENT_BUFFER){ b->yy_bs_lineno = 1; b->yy_bs_column = 0;m4_ifdef( [[M4_YY_ALWAYS_INTERACTIVE]], b->yy_is_interactive = 1; m4_ifdef( [[M4_YY_NEVER_INTERACTIVE]], b->yy_is_interactive = 0; b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0; b->yy_is_interactive = 0; errno = oerrno;/** Discard all buffered characters. On the next scan, YY_INPUT will be called. * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER. void yy_flush_buffer YYFARGS1( YY_BUFFER_STATE ,b) void yyFlexLexer::yy_flush_buffer( YY_BUFFER_STATE b ) b->yy_n_chars = 0; /* We always need two end-of-buffer characters. The first causes * a transition to the end-of-buffer state. The second causes * a jam in that state. b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR; b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; b->yy_buf_pos = &b->yy_ch_buf[0]; b->yy_at_bol = 1; b->yy_buffer_status = YY_BUFFER_NEW; if ( b == YY_CURRENT_BUFFER )/** Pushes the new state onto the stack. The new state becomes * the current state. This function will allocate the stack * if necessary. * @param new_buffer The new state. * M4_YY_DOC_PARAMvoid yypush_buffer_state YYFARGS1(YY_BUFFER_STATE,new_buffer)void yyFlexLexer::yypush_buffer_state (YY_BUFFER_STATE new_buffer) if (new_buffer == NULL) yyensure_buffer_stack(M4_YY_CALL_ONLY_ARG); /* This block is copied from yy_switch_to_buffer. */ /* Only push if top exists. Otherwise, replace top. */ if (YY_CURRENT_BUFFER) YY_G(yy_buffer_stack_top)++; /* copied from yy_switch_to_buffer. *//** Removes and deletes the top of the stack, if present. * The next element becomes the new top.void yypop_buffer_state YYFARGS0(void)void yyFlexLexer::yypop_buffer_state (void) if (!YY_CURRENT_BUFFER) yy_delete_buffer(YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG); YY_CURRENT_BUFFER_LVALUE = NULL; if (YY_G(yy_buffer_stack_top) > 0) --YY_G(yy_buffer_stack_top); if (YY_CURRENT_BUFFER) { YY_G(yy_did_buffer_switch_on_eof) = 1;/* Allocates the stack if it does not exist. * Guarantees space for at least one push.static void yyensure_buffer_stack YYFARGS0(void)void yyFlexLexer::yyensure_buffer_stack(void) int num_to_alloc; if (!YY_G(yy_buffer_stack)) { /* First allocation is just for 2 elements, since we don't know if this * scanner will even need a stack. We use 2 instead of 1 to avoid an * immediate realloc on the next call. */ num_to_alloc = 1; YY_G(yy_buffer_stack) = (struct yy_buffer_state**)yyalloc (num_to_alloc * sizeof(struct yy_buffer_state*) M4_YY_CALL_LAST_ARG); if ( ! YY_G(yy_buffer_stack) ) YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" ); memset(YY_G(yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*)); YY_G(yy_buffer_stack_max) = num_to_alloc; YY_G(yy_buffer_stack_top) = 0; if (YY_G(yy_buffer_stack_top) >= (YY_G(yy_buffer_stack_max)) - 1){ /* Increase the buffer to prepare for a possible push. */ int grow_size = 8 /* arbitrary grow size */; num_to_alloc = YY_G(yy_buffer_stack_max) + grow_size; YY_G(yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc (YY_G(yy_buffer_stack), num_to_alloc * sizeof(struct yy_buffer_state*) /* zero only the new slots.*/ memset(YY_G(yy_buffer_stack) + YY_G(yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));m4_ifdef( [[M4_YY_NO_SCAN_BUFFER]],,/** Setup the input buffer state to scan directly from a user-specified character buffer. * @param base the character buffer * @param size the size in bytes of the character buffer * @return the newly allocated buffer state object. YY_BUFFER_STATE yy_scan_buffer YYFARGS2( char *,base, yy_size_t ,size) if ( size < 2 || base[size-2] != YY_END_OF_BUFFER_CHAR || base[size-1] != YY_END_OF_BUFFER_CHAR ) /* They forgot to leave room for the EOB's. */ YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" ); b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */ b->yy_buf_pos = b->yy_ch_buf = base; b->yy_is_our_buffer = 0; b->yy_input_file = 0; b->yy_n_chars = b->yy_buf_size; b->yy_fill_buffer = 0; yy_switch_to_buffer( b M4_YY_CALL_LAST_ARG );m4_ifdef( [[M4_YY_NO_SCAN_STRING]],,/** Setup the input buffer state to scan a string. The next call to yylex() will * scan from a @e copy of @a str. * @param yystr a NUL-terminated string to scan * @return the newly allocated buffer state object. * @note If you want to scan bytes that may contain NUL values, then use * yy_scan_bytes() instead.YY_BUFFER_STATE yy_scan_string YYFARGS1( yyconst char *, yystr) return yy_scan_bytes( yystr, strlen(yystr) M4_YY_CALL_LAST_ARG);m4_ifdef( [[M4_YY_NO_SCAN_BYTES]],,/** Setup the input buffer state to scan the given bytes. The next call to yylex() will * scan from a @e copy of @a bytes. * @param bytes the byte buffer to scan * @param len the number of bytes in the buffer pointed to by @a bytes.YY_BUFFER_STATE yy_scan_bytes YYFARGS2( yyconst char *,yybytes, int ,_yybytes_len) char *buf; yy_size_t n; int i; /* Get memory for full buffer, including space for trailing EOB's. */ n = _yybytes_len + 2; buf = (char *) yyalloc( n M4_YY_CALL_LAST_ARG ); if ( ! buf ) YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" ); for ( i = 0; i < _yybytes_len; ++i ) buf[i] = yybytes[i]; buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR; b = yy_scan_buffer( buf, n M4_YY_CALL_LAST_ARG); YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" ); /* It's okay to grow etc. this buffer, and we should throw it * away when we're done.m4_ifdef( [[M4_YY_NO_PUSH_STATE]],, static void yy_push_state YYFARGS1( int ,new_state) void yyFlexLexer::yy_push_state( int new_state ) if ( YY_G(yy_start_stack_ptr) >= YY_G(yy_start_stack_depth) ) yy_size_t new_size; YY_G(yy_start_stack_depth) += YY_START_STACK_INCR; new_size = YY_G(yy_start_stack_depth) * sizeof( int ); if ( ! YY_G(yy_start_stack) ) YY_G(yy_start_stack) = (int *) yyalloc( new_size M4_YY_CALL_LAST_ARG ); YY_G(yy_start_stack) = (int *) yyrealloc( (void *) YY_G(yy_start_stack), new_size M4_YY_CALL_LAST_ARG ); YY_FATAL_ERROR( "out of memory expanding start-condition stack" ); YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr)++] = YY_START; BEGIN(new_state);m4_ifdef( [[M4_YY_NO_POP_STATE]],, static void yy_pop_state YYFARGS0(void) void yyFlexLexer::yy_pop_state() if ( --YY_G(yy_start_stack_ptr) < 0 ) YY_FATAL_ERROR( "start-condition stack underflow" ); BEGIN(YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr)]);m4_ifdef( [[M4_YY_NO_TOP_STATE]],, static int yy_top_state YYFARGS0(void) int yyFlexLexer::yy_top_state() return YY_G(yy_start_stack)[YY_G(yy_start_stack_ptr) - 1];#ifndef YY_EXIT_FAILURE#define YY_EXIT_FAILURE 2static void yy_fatal_error YYFARGS1(yyconst char*, msg) (void) fprintf( stderr, "%s\n", msg ); exit( YY_EXIT_FAILURE );void yyFlexLexer::LexerError( yyconst char msg[] ) std::cerr << msg << std::endl;/* Redefine yyless() so it works in section 3 code. */#undef yyless yytext[yyleng] = YY_G(yy_hold_char); \ YY_G(yy_c_buf_p) = yytext + yyless_macro_arg; \ YY_G(yy_hold_char) = *YY_G(yy_c_buf_p); \ *YY_G(yy_c_buf_p) = '\0'; \ yyleng = yyless_macro_arg; \/* Accessor methods (get/set functions) to struct members. *//** Get the user-defined data for this scanner.YY_EXTRA_TYPE yyget_extra YYFARGS0(void) return yyextra;/** Get the current line number.int yyget_lineno YYFARGS0(void) if (! YY_CURRENT_BUFFER) return 0; return yylineno;m4_ifdef( [[M4_YY_REENTRANT]],m4_ifdef( [[M4_YY_NO_GET_COLUMN]],,/** Get the current column number.int yyget_column YYFARGS0(void) return yycolumn;/** Get the input stream.FILE *yyget_in YYFARGS0(void) return yyin;/** Get the output stream.FILE *yyget_out YYFARGS0(void) return yyout;/** Get the length of the current token.int yyget_leng YYFARGS0(void) return yyleng;/** Get the current token.char *yyget_text YYFARGS0(void) return yytext;/** Set the user-defined data. This data is never touched by the scanner. * @param user_defined The data to be associated with this scanner.void yyset_extra YYFARGS1( YY_EXTRA_TYPE ,user_defined) yyextra = user_defined ;/** Set the current line number. * @param line_numbervoid yyset_lineno YYFARGS1( int ,line_number) /* lineno is only valid if an input buffer exists. */ if (! YY_CURRENT_BUFFER ) yy_fatal_error( "yyset_lineno called with no buffer" M4_YY_CALL_LAST_ARG); yylineno = line_number;m4_ifdef( [[M4_YY_NO_SET_COLUMN]],,/** Set the current column.void yyset_column YYFARGS1( int , column_no) /* column is only valid if an input buffer exists. */ yy_fatal_error( "yyset_column called with no buffer" M4_YY_CALL_LAST_ARG); yycolumn = column_no;/** Set the input stream. This does not discard the current * input buffer. * @param in_str A readable stream. * @see yy_switch_to_buffervoid yyset_in YYFARGS1( FILE * ,in_str) yyin = in_str ;void yyset_out YYFARGS1( FILE * ,out_str) yyout = out_str ;int yyget_debug YYFARGS0(void) return yy_flex_debug;void yyset_debug YYFARGS1( int ,bdebug) yy_flex_debug = bdebug ;/* Accessor methods for yylval and yylloc */YYSTYPE * yyget_lval YYFARGS0(void) return yylval;m4_ifdef( [[M4_YY_NO_SET_LVAL]],,void yyset_lval YYFARGS1( YYSTYPE * ,yylval_param)YYLTYPE *yyget_lloc YYFARGS0(void) return yylloc;void yyset_lloc YYFARGS1( YYLTYPE * ,yylloc_param)/* User-visible API *//* yylex_init is special because it creates the scanner itself, so it is * the ONLY reentrant function that doesn't take the scanner as the last argument. * That's why we explicitly handle the declaration, instead of using our macros.int yylex_init( ptr_yy_globals ) yyscan_t* ptr_yy_globals;int yylex_init(yyscan_t* ptr_yy_globals) if (ptr_yy_globals == NULL){ errno = EINVAL; return 1; *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), NULL ); if (*ptr_yy_globals == NULL){ errno = ENOMEM; /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ memset(*ptr_yy_globals,0x00,sizeof(struct yyguts_t)); return yy_init_globals ( *ptr_yy_globals );/* yylex_init_extra has the same functionality as yylex_init, but follows the * convention of taking the scanner as the last argument. Note however, that * this is a *pointer* to a scanner, as it will be allocated by this call (and * is the reason, too, why this function also must handle its own declaration). * The user defined value in the first argument will be available to yyalloc in * the yyextra field.int yylex_init_extra( yy_user_defined, ptr_yy_globals ) YY_EXTRA_TYPE yy_user_defined;int yylex_init_extra( YY_EXTRA_TYPE yy_user_defined, yyscan_t* ptr_yy_globals ) struct yyguts_t dummy_yyguts; yyset_extra (yy_user_defined, &dummy_yyguts); *ptr_yy_globals = (yyscan_t) yyalloc ( sizeof( struct yyguts_t ), &dummy_yyguts ); /* By setting to 0xAA, we expose bugs in yy_init_globals. Leave at 0x00 for releases. */ yyset_extra (yy_user_defined, *ptr_yy_globals);%endif if-c-onlystatic int yy_init_globals YYFARGS0(void) /* Initialization is the same as for the non-reentrant scanner. * This function is called from yylex_destroy(), so don't allocate here. m4_ifdef( [[M4_YY_NOT_REENTRANT]], /* We do not touch yylineno unless the option is enabled. */ yylineno = 1; YY_G(yy_buffer_stack) = 0; YY_G(yy_buffer_stack_top) = 0; YY_G(yy_buffer_stack_max) = 0; YY_G(yy_c_buf_p) = (char *) 0; YY_G(yy_init) = 0; YY_G(yy_start) = 0;m4_ifdef( [[M4_YY_HAS_START_STACK_VARS]], YY_G(yy_start_stack_ptr) = 0; YY_G(yy_start_stack_depth) = 0; YY_G(yy_start_stack) = NULL; YY_G(yy_state_buf) = 0; YY_G(yy_state_ptr) = 0; YY_G(yy_full_match) = 0; YY_G(yy_lp) = 0; YY_G(yytext_ptr) = 0; YY_G(yy_more_offset) = 0; YY_G(yy_prev_more_offset) = 0;/* Defined in main.c */#ifdef YY_STDINIT yyin = stdin; yyout = stdout; yyin = (FILE *) 0; yyout = (FILE *) 0; /* For future reference: Set errno on error, since we are called by * yylex_init() return 0;%if-c-only SNIP! this currently causes conflicts with the c++ scanner/* yylex_destroy is for both reentrant and non-reentrant scanners. */int yylex_destroy YYFARGS0(void) /* Pop the buffer stack, destroying each element. */ while(YY_CURRENT_BUFFER){ yy_delete_buffer( YY_CURRENT_BUFFER M4_YY_CALL_LAST_ARG ); YY_CURRENT_BUFFER_LVALUE = NULL; yypop_buffer_state(M4_YY_CALL_ONLY_ARG); /* Destroy the stack itself. */ yyfree(YY_G(yy_buffer_stack) M4_YY_CALL_LAST_ARG); YY_G(yy_buffer_stack) = NULL; /* Destroy the start condition stack. */ yyfree( YY_G(yy_start_stack) M4_YY_CALL_LAST_ARG ); YY_G(yy_start_stack) = NULL; yyfree ( YY_G(yy_state_buf) M4_YY_CALL_LAST_ARG); YY_G(yy_state_buf) = NULL; /* Reset the globals. This is important in a non-reentrant scanner so the next time * yylex() is called, initialization will occur. */ yy_init_globals( M4_YY_CALL_ONLY_ARG); /* Destroy the main struct (reentrant only). */ yyfree ( yyscanner M4_YY_CALL_LAST_ARG ); yyscanner = NULL; * Internal utility routines.static void yy_flex_strncpy YYFARGS3( char*,s1, yyconst char *,s2, int,n) register int i; for ( i = 0; i < n; ++i ) s1[i] = s2[i];static int yy_flex_strlen YYFARGS1( yyconst char *,s) register int n; for ( n = 0; s[n]; ++n ) ; return n;m4_ifdef( [[M4_YY_NO_FLEX_ALLOC]],,void *yyalloc YYFARGS1( yy_size_t ,size) return (void *) malloc( size );m4_ifdef( [[M4_YY_NO_FLEX_REALLOC]],,void *yyrealloc YYFARGS2( void *,ptr, yy_size_t ,size) /* The cast to (char *) in the following accommodates both * implementations that use char* generic pointers, and those * that use void* generic pointers. It works with the latter * because both ANSI C and C++ allow castless assignment from * any pointer type to void*, and deal with argument conversions * as though doing an assignment. return (void *) realloc( (char *) ptr, size );m4_ifdef( [[M4_YY_NO_FLEX_FREE]],,void yyfree YYFARGS1( void *,ptr) free( (char *) ptr ); /* see yyrealloc() for (char *) cast */%if-tables-serialization definitionsdnl tables_shared.c - tables serialization codednl dnl Copyright (c) 1990 The Regents of the University of California.dnl All rights reserved.dnl This code is derived from software contributed to Berkeley bydnl Vern Paxson.dnl The United States Government has rights in this work pursuantdnl to contract no. DE-AC03-76SF00098 between the United Statesdnl Department of Energy and the University of California.dnl This file is part of flex.dnl Redistribution and use in source and binary forms, with or withoutdnl modification, are permitted provided that the following conditionsdnl are met:dnl 1. Redistributions of source code must retain the above copyrightdnl notice, this list of conditions and the following disclaimer.dnl 2. Redistributions in binary form must reproduce the above copyrightdnl notice, this list of conditions and the following disclaimer in thednl documentation and/or other materials provided with the distribution.dnl Neither the name of the University nor the names of its contributorsdnl may be used to endorse or promote products derived from this softwarednl without specific prior written permission.dnl THIS SOFTWARE IS PROVIDED `AS IS' AND WITHOUT ANY EXPRESS ORdnl IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIEDdnl WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULARdnl PURPOSE./* This file is meant to be included in both the skeleton and the actual * flex code (hence the name "_shared"). #include "flexdef.h"#include "tables.h"/** Get the number of integers in this table. This is NOT the * same thing as the number of elements. * @param td the table * @return the number of integers in the tableyyskel_static flex_int32_t yytbl_calc_total_len (const struct yytbl_data *tbl) flex_int32_t n; /* total number of ints */ n = tbl->td_lolen; if (tbl->td_hilen > 0) n *= tbl->td_hilen; if (tbl->td_id == YYTD_ID_TRANSITION) n *= 2;static int yytbl_read8 (void *v, struct yytbl_reader * rd) errno = 0; if (fread (v, sizeof (flex_uint8_t), 1, rd->fp) != 1){ errno = EIO; return -1; rd->bread += sizeof(flex_uint8_t);static int yytbl_read16 (void *v, struct yytbl_reader * rd) if (fread (v, sizeof (flex_uint16_t), 1, rd->fp) != 1){ *((flex_uint16_t *) v) = ntohs (*((flex_uint16_t *) v)); rd->bread += sizeof(flex_uint16_t);static int yytbl_read32 (void *v, struct yytbl_reader * rd) if (fread (v, sizeof (flex_uint32_t), 1, rd->fp) != 1){ *((flex_uint32_t *) v) = ntohl (*((flex_uint32_t *) v)); rd->bread += sizeof(flex_uint32_t);/** Read the header */static int yytbl_hdr_read YYFARGS2(struct yytbl_hdr *, th, struct yytbl_reader *, rd) int bytes; memset (th, 0, sizeof (struct yytbl_hdr)); if (yytbl_read32 (&(th->th_magic), rd) != 0) if (th->th_magic != YYTBL_MAGIC){ yy_fatal_error("bad magic number" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); if (yytbl_read32 (&(th->th_hsize), rd) != 0 || yytbl_read32 (&(th->th_ssize), rd) != 0 || yytbl_read16 (&(th->th_flags), rd) != 0) /* Sanity check on header size. Greater than 1k suggests some funny business. */ if (th->th_hsize < 16 || th->th_hsize > 1024){ yy_fatal_error("insane header size detected" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); /* Allocate enough space for the version and name fields */ bytes = th->th_hsize - 14; th->th_version = (char *) yyalloc (bytes M4_YY_CALL_LAST_ARG); if ( ! th->th_version ) YY_FATAL_ERROR( "out of dynamic memory in yytbl_hdr_read()" ); /* we read it all into th_version, and point th_name into that data */ if (fread (th->th_version, 1, bytes, rd->fp) != bytes){ yyfree(th->th_version M4_YY_CALL_LAST_ARG); th->th_version = NULL; else rd->bread += bytes; th->th_name = th->th_version + strlen (th->th_version) + 1;/** lookup id in the dmap list. * @param dmap pointer to first element in list * @return NULL if not found.static struct yytbl_dmap *yytbl_dmap_lookup YYFARGS2(struct yytbl_dmap *, dmap, int, id) while (dmap->dm_id) if (dmap->dm_id == id) return dmap; else dmap++; return NULL;/** Read a table while mapping its contents to the local array. * @param dmap used to performing mapping * @return 0 on successstatic int yytbl_data_load YYFARGS2(struct yytbl_dmap *, dmap, struct yytbl_reader*, rd) struct yytbl_data td; struct yytbl_dmap *transdmap=0; int len, i, rv, inner_loop_count; void *p=0; memset (&td, 0, sizeof (struct yytbl_data)); if (yytbl_read16 (&td.td_id, rd) != 0 || yytbl_read16 (&td.td_flags, rd) != 0 || yytbl_read32 (&td.td_hilen, rd) != 0 || yytbl_read32 (&td.td_lolen, rd) != 0) /* Lookup the map for the transition table so we have it in case we need it * inside the loop below. This scanner might not even have a transition * table, which is ok. transdmap = yytbl_dmap_lookup (dmap, YYTD_ID_TRANSITION M4_YY_CALL_LAST_ARG); if ((dmap = yytbl_dmap_lookup (dmap, td.td_id M4_YY_CALL_LAST_ARG)) == NULL){ yy_fatal_error("table id not found in map." /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); /* Allocate space for table. * The --full yy_transition table is a special case, since we * need the dmap.dm_sz entry to tell us the sizeof the individual * struct members. size_t bytes; if ((td.td_flags & YYTD_STRUCT)) bytes = sizeof(struct yy_trans_info) * td.td_lolen * (td.td_hilen ? td.td_hilen : 1); bytes = td.td_lolen * (td.td_hilen ? td.td_hilen : 1) * dmap->dm_sz; if(M4_YY_TABLES_VERIFY) /* We point to the array itself */ p = dmap->dm_arr; /* We point to the address of a pointer. */ *dmap->dm_arr = p = (void *) yyalloc (bytes M4_YY_CALL_LAST_ARG); if ( ! p ) YY_FATAL_ERROR( "out of dynamic memory in yytbl_data_load()" ); /* If it's a struct, we read 2 integers to get one element */ if ((td.td_flags & YYTD_STRUCT) != 0) inner_loop_count = 2; inner_loop_count = 1; /* read and map each element. * This loop iterates once for each element of the td_data array. * Notice that we increment 'i' in the inner loop. len = yytbl_calc_total_len (&td); for (i = 0; i < len; ){ int j; /* This loop really executes exactly 1 or 2 times. * The second time is to handle the second member of the * YYTD_STRUCT for the yy_transition array. for (j = 0; j < inner_loop_count; j++, i++) { flex_int32_t t32; /* read into t32 no matter what the real size is. */ { flex_int16_t t16; flex_int8_t t8; switch (YYTDFLAGS2BYTES (td.td_flags)) { case sizeof (flex_int32_t): rv = yytbl_read32 (&t32, rd); break; case sizeof (flex_int16_t): rv = yytbl_read16 (&t16, rd); t32 = t16; case sizeof (flex_int8_t): rv = yytbl_read8 (&t8, rd); t32 = t8; default: yy_fatal_error("invalid td_flags" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); return -1; } if (rv != 0) /* copy into the deserialized array... */ if ((td.td_flags & YYTD_STRUCT)) { /* t32 is the j'th member of a two-element struct. */ void *v; v = j == 0 ? &(((struct yy_trans_info *) p)->yy_verify) : &(((struct yy_trans_info *) p)->yy_nxt); switch (dmap->dm_sz) { case sizeof (flex_int32_t): if (M4_YY_TABLES_VERIFY){ if( ((flex_int32_t *) v)[0] != (flex_int32_t) t32) yy_fatal_error("tables verification failed at YYTD_STRUCT flex_int32_t" M4_YY_CALL_LAST_ARG); }else ((flex_int32_t *) v)[0] = (flex_int32_t) t32; break; case sizeof (flex_int16_t): if (M4_YY_TABLES_VERIFY ){ if(((flex_int16_t *) v)[0] != (flex_int16_t) t32) yy_fatal_error("tables verification failed at YYTD_STRUCT flex_int16_t" M4_YY_CALL_LAST_ARG); ((flex_int16_t *) v)[0] = (flex_int16_t) t32; case sizeof(flex_int8_t): if( ((flex_int8_t *) v)[0] != (flex_int8_t) t32) yy_fatal_error("tables verification failed at YYTD_STRUCT flex_int8_t" M4_YY_CALL_LAST_ARG); ((flex_int8_t *) v)[0] = (flex_int8_t) t32; default: yy_fatal_error("invalid dmap->dm_sz for struct" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); return -1; } /* if we're done with j, increment p */ if (j == 1) p = (struct yy_trans_info *) p + 1; else if ((td.td_flags & YYTD_PTRANS)) { /* t32 is an index into the transition array. */ struct yy_trans_info *v; if (!transdmap){ yy_fatal_error("transition table not found" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); if( M4_YY_TABLES_VERIFY) v = &(((struct yy_trans_info *) (transdmap->dm_arr))[t32]); else v = &((*((struct yy_trans_info **) (transdmap->dm_arr)))[t32]); if(M4_YY_TABLES_VERIFY ){ if( ((struct yy_trans_info **) p)[0] != v) yy_fatal_error("tables verification failed at YYTD_PTRANS" M4_YY_CALL_LAST_ARG); }else ((struct yy_trans_info **) p)[0] = v; /* increment p */ p = (struct yy_trans_info **) p + 1; else { /* t32 is a plain int. copy data, then incrememnt p. */ if(M4_YY_TABLES_VERIFY ){ if( ((flex_int32_t *) p)[0] != (flex_int32_t) t32) yy_fatal_error("tables verification failed at flex_int32_t" M4_YY_CALL_LAST_ARG); ((flex_int32_t *) p)[0] = (flex_int32_t) t32; p = ((flex_int32_t *) p) + 1; if( ((flex_int16_t *) p)[0] != (flex_int16_t) t32) yy_fatal_error("tables verification failed at flex_int16_t" M4_YY_CALL_LAST_ARG); ((flex_int16_t *) p)[0] = (flex_int16_t) t32; p = ((flex_int16_t *) p) + 1; case sizeof (flex_int8_t): if( ((flex_int8_t *) p)[0] != (flex_int8_t) t32) yy_fatal_error("tables verification failed at flex_int8_t" M4_YY_CALL_LAST_ARG); ((flex_int8_t *) p)[0] = (flex_int8_t) t32; p = ((flex_int8_t *) p) + 1; yy_fatal_error("invalid dmap->dm_sz for plain int" /*TODO: not fatal.*/ M4_YY_CALL_LAST_ARG); } /* Now eat padding. */ int pad; pad = yypad64(rd->bread); while(--pad >= 0){ flex_int8_t t8; if(yytbl_read8(&t8,rd) != 0)%define-yytables The name for this specific scanner's tables./* Find the key and load the DFA tables from the given stream. */static int yytbl_fload YYFARGS2(FILE *, fp, const char *, key) int rv=0; struct yytbl_hdr th; struct yytbl_reader rd; rd.fp = fp; th.th_version = NULL; /* Keep trying until we find the right set of tables or end of file. */ while (!feof(rd.fp)) { rd.bread = 0; if (yytbl_hdr_read (&th, &rd M4_YY_CALL_LAST_ARG) != 0){ rv = -1; goto return_rv; /* A NULL key means choose the first set of tables. */ if (key == NULL) break; if (strcmp(th.th_name,key) != 0){ /* Skip ahead to next set */ fseek(rd.fp, th.th_ssize - th.th_hsize, SEEK_CUR); yyfree(th.th_version M4_YY_CALL_LAST_ARG); th.th_version = NULL; while (rd.bread < th.th_ssize){ /* Load the data tables */ if(yytbl_data_load (yydmap,&rd M4_YY_CALL_LAST_ARG) != 0){return_rv: if(th.th_version){ yyfree(th.th_version M4_YY_CALL_LAST_ARG); th.th_version = NULL; return rv;/** Load the DFA tables for this scanner from the given stream. */int yytables_fload YYFARGS1(FILE *, fp) if( yytbl_fload(fp, YYTABLES_NAME M4_YY_CALL_LAST_ARG) != 0)/** Destroy the loaded tables, freeing memory, etc.. */int yytables_destroy YYFARGS0(void){ struct yytbl_dmap *dmap=0; if(!M4_YY_TABLES_VERIFY){ /* Walk the dmap, freeing the pointers */ for(dmap=yydmap; dmap->dm_id; dmap++) { void * v; v = dmap->dm_arr; if(v && *(char**)v){ yyfree(*(char**)v M4_YY_CALL_LAST_ARG); *(char**)v = NULL;/* end table serialization code definitions */m4_ifdef([[M4_YY_MAIN]], [[int main M4_YY_PARAMS(void);int main () yyscan_t lexer; yylex_init(&lexer); yylex( lexer ); yylex_destroy( lexer); yylex(); return 0;m4_ifdef( [[M4_YY_IN_HEADER]],#undef YY_NEW_FILE#undef YY_FLUSH_BUFFER#undef yy_set_bol#undef yy_new_buffer#undef yy_set_interactive#undef YY_DO_BEFORE_ACTION#ifdef YY_DECL_IS_OURS#undef YY_DECL_IS_OURS#undef YY_DECLsymbol table memory allocation failedname defined twicestart condition %s declared twicepremature EOF%d %s%x%% '%s'\%c\%.3o%d[%d]<>%s End Marker *Something Weird* - tok: %d val: %d -7--7bit-8--8bit--align--noalign--always-interactive--array-b--backup-B--batch--bison-bridge--bison-locations-i--case-insensitive-C[aefFmr]Specify degree of table compression (default is -Cem)-+--c++-d--debug--nodebug-s--nodefault--default-c-n--ecs--noecs-F--fast-f--full--header-file[=FILE]-?-h--help-I--interactive-l--lex-compat-X--posix-compat--preproc=NUM-L--noline--main--nomain--meta-ecs--nometa-ecs--never-interactive-o FILE--outfile=FILE-p--perf-report--pointer-P PREFIX--prefix=PREFIX-Dmacro--read-R--reentrant--noreentrant--reject--noreject-S FILE--skel=FILE--stack--stdinit--nostdinit-t--stdout-T--trace--tables-file[=FILE]--tables-verify--nounistd-v--verbose-V--version--warn-w--nowarn--noansi-definitions--noansi-prototypes--yyclass=NAME--yylineno--noyylineno--yymore--noyymore--noyywrap--yywrap--nounput--noyy_push_state--noyy_pop_state--noyy_top_state--noyy_scan_buffer--noyy_scan_bytes--noyy_scan_string--noyyget_extra--noyyset_extra--noyyget_leng--noyyget_text--noyyget_lineno--noyyset_lineno--noyyget_in--noyyset_in--noyyget_out--noyyset_out--noyyget_lval--noyyset_lval--noyyget_lloc--noyyset_llocCOLUMNS%s Usage: %s [OPTIONS]... , %s%.*s %s: option `%s' doesn't allow an argument option `%s' requires an argument option `%s' is ambiguous Unrecognized option `%s' Unknown error=(%d) --%s#line %d "%s" #define m4_define( [[%s]], [[%s]])m4_dnl m4_undefine( [[%s]])m4_dnl %s: fatal internal error at %s:%d %s tables.cth_magic|th_hsize write32 failedfgetpos failedth_ssize|th_flags write failedth_version writen failedth_name writen failedpad64 failedinvalid td_flags detectederror while writing tablesinsanity detectedget|set|fwrite32 faileddetected negative compressionpipe failedfork faileddup2(pipes[0],0)filter_func failedexec faileddup2(pipes[1],1)dup(1) failedwfreopen(headerfilename) failedm4_changecom`'m4_dnl m4_changequote`'m4_dnl m4_changequote([[,]])[[]]m4_dnl m4_define([[M4_YY_NOOP]])[[]]m4_dnl m4_define( [[M4_YY_IN_HEADER]],[[]])m4_dnl #ifndef %sHEADER_H #define %sHEADER_H 1 #define %sIN_HEADER 1 m4_define( [[M4_YY_OUTFILE_NAME]],[[%s]])m4_dnl #line 4000 "M4_YY_OUTFILE_NAME" #undef %sIN_HEADER #endif /* %sHEADER_H */ m4_undefine( [[M4_YY_IN_HEADER]])m4_dnl error writing output file %serror closing output file %s#line %d "%s" m4_dnl ifdef(`__gnu__', ,`errprint(Flex requires GNU M4. Set the PATH or set the M4 environment variable to its path name.) m4exit(2)') regcomp failed: %s %s^#line ([[:digit:]]+) "(.*)"^[[:space:]]*$  XX*X:XJXZXjXzXXXXXXXXX YY*Y:YJYZYjYzYYYYYYYYY ZZ*Z:ZJZZZjZzZZZZZZZZZ [[*[:[J[Z[j[z[[[[[[[[[ \'4 \ \BB(8 Qx oCo|UoUU(o`o \2.5.35FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;FILE *yyin = stdin, *yyout = stdout; &&'L'P'''L'(@(L'(()P)d)h))),*L'p*******++(+d),+x++L'+8,,,(-h---$.X.../\//L'/0\0L't0x00000041h1112T2t2222343X3|333333444,4L4l4444444<55556l6p66666687<7@7D7T777D88883808P99:t::0;;;d<<4===@>>>X??@`@@ A`AAB`BBCpCCCC\DdD3DDDD4EEEEDEFEhFlFpFFGdG0hGDGG,HxHH IE3tIxI|IDIJhJEJJKK08KLK`KtK3KKKK3KKK L0L4LHL\L`LLLLL8MtMxMM4MMMM N,NLNlNNNNNNOHOlOOOOO4OO4 P4P4dPxP4PP4PP4Q0Q4XQlQ4QQ4QQQQ3RD7R(R`K@RTRhR3RRRRRRRSSDS\SR`SdSSSSSNS4SST$T@Td)`T|Td)TTd)TD U8UD <> : dsp> ds: > > > > 0> H> 4? 8? D? 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SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMI@(#)stddef.h 1.18 04/09/28 SMI@(#)stddef_iso.h 1.2 03/03/06 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)stdio.h 1.84 04/09/28 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)errno.h 1.17 03/01/03 SMI@(#)errno.h 1.20 00/01/12 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03@(#)alloca.h 1.16 04/09/28 SMI@(#)types.h 1.86 07/09/20 SMI@(#)feature_tests.h 1.25 07/02/02 SMI@(#)ccompile.h 1.2 04/11/08 SMI@(#)isa_defs.h 1.29 08/06/06 SMI@(#)machtypes.h 1.11 04/09/28 SMI@(#)machtypes.h 1.2 04/09/28 SMI@(#)int_types.h 1.10 04/09/28 SMI@(#)select.h 1.19 04/01/28 SMI@(#)time_impl.h 1.11 05/05/19 SMI@(#)time.h 2.77 09/06/02 SMI@(#)time.h 1.45 08/01/09 SMI@(#)time_iso.h 1.4 04/09/07 SMI@(#)stdio.h 1.84 04/09/28 SMI@(#)stdio_iso.h 1.8 05/08/16 SMI@(#)va_list.h 1.15 04/11/19 SMI@(#)stdio_tag.h 1.4 04/09/28 SMI@(#)stdio_impl.h 1.15 07/03/05 SMI@(#)stdio_c99.h 1.2 04/03/29 SMI@(#)stdlib.h 1.51 04/06/30 SMI@(#)stdlib_iso.h 1.9 04/09/28 SMI@(#)stdlib_c99.h 1.2 04/03/29 SMI@(#)stdarg.h 1.47 04/09/28 SMI@(#)stdarg_iso.h 1.4 04/11/19 SMI@(#)va_impl.h 1.1 04/11/19 SMI@(#)stdarg_c99.h 1.2 04/09/28 SMI@(#)setjmp.h 1.38 04/09/28 SMI@(#)setjmp_iso.h 1.2 04/09/28 SMI@(#)ctype.h 1.35 04/09/28 SMI@(#)ctype_iso.h 1.3 04/09/28 SMI@(#)ctype_c99.h 1.2 04/09/28 SMI@(#)string.h 1.27 07/01/14 SMI@(#)string_iso.h 1.5 04/06/18 SMI@(#)math.h 2.24 04/10/23 SMI@(#)math_iso.h 1.9 04/10/23 SMI@(#)math_c99.h 1.9 04/11/01 SMI@(#)floatingpoint.h 2.9 04/10/23 SMI@(#)ieeefp.h 2.12 04/10/23 SMI@(#)limits.h 1.59 04/08/24 SMI@(#)limits_iso.h 1.2 03/12/04 SMI@(#)int_limits.h 1.9 04/09/28 SMI@(#)unistd.h 1.76 06/03/10 SMI@(#)unistd.h 1.43 06/03/10 SMI@(#)in.h 1.55 09/05/27 SMI@(#)socket_impl.h 1.1 05/08/02 SMI@(#)un.h 1.11 02/10/02 SMI@(#)if_dl.h 1.10 03/05/21 SMI@(#)stream.h 1.115 08/07/22 SMI@(#)vnode.h 1.133 09/07/17 SMI@(#)t_lock.h 1.45 98/02/01 SMI@(#)machlock.h 1.25 04/07/19 SMI@(#)param.h 1.82 06/01/30 SMI@(#)mutex.h 1.21 07/04/04 SMI@(#)rwlock.h 1.9 98/02/18 SMI@(#)semaphore.h 1.5 98/02/01 SMI@(#)condvar.h 1.14 04/10/21 SMI@(#)rwstlock.h 1.4 04/11/09 SMI@(#)ksynch.h 1.6 97/10/22 SMI@(#)cred.h 1.27 06/05/03 SMI@(#)uio.h 1.34 09/06/15 SMI@(#)resource.h 1.37 07/02/07 SMI@(#)seg_enum.h 1.9 09/07/02 SMI@(#)kstat.h 1.22 07/02/02 SMI@(#)kmem.h 1.38 09/05/07 SMI@(#)vmem.h 1.12 05/06/27 SMI@(#)poll.h 1.28 98/11/23 SMI@(#)strmdep.h 1.10 98/01/06 SMI@(#)model.h 1.24 04/09/28 SMI@(#)strft.h 1.2 00/03/17 SMI@(#)byteorder.h 1.18 04/09/28 SMI@(#)wait.h 1.23 04/06/03 SMI@(#)siginfo.h 1.59 04/07/15 SMI@(#)machsig.h 1.11 03/09/26 SMI@(#)faultcode.h 1.16 09/07/02 SMI@(#)procset.h 1.25 04/07/16 SMI@(#)signal.h 1.66 04/09/28 SMI@(#)signal_iso.h 1.6 03/05/02 SMI@(#)regex.h 1.25 04/09/28 SMI@(#)locale.h 1.20 03/12/04 SMI@(#)locale_iso.h 1.3 03/12/04 SMIacomp: Sun C 5.10 SunOS_i386 2009/06/03as: Sun Compiler Common 12.1 SunOS_i386 2009/06/03ld: Software Generation Utilities - Solaris Link Editors: 5.10-1.497ccl.c /var/tmp/flex-2.5.35 /opt/sunstudio12.1/prod/bin/cc -DHAVE_CONFIG_H -I. -I. -I. -DLOCALEDIR='"/usr/local/share/locale"' -I./intl -I/usr/local/include -g -c ccl.c -W0,-xp.XAKgoyLqX6WM0WD.Xa;g;R=Sun C 5.10 SunOS_i386 2009/06/03;G=.XAKgoyLqX6WM0WD.;backend;raw;cd;DBG_GEN 5.2.7ccl_contains'0]]Ucclp&ch& ind(len(i(intccladd:]^U>cclp7ch7 ind;len;newpos;i;dump_cclp^^0aUfile]cclp] i_ &_` <_` <_` <_` U_` U_`start_chareunsigned char unsigned __FILE _cnt# _ptr# _base# _flag# _file# __orientation#  __ionolock#   __seekable#   __extendedfd#   __xf_nocheck#   __filler#  FILE ccl_set_diff~0a}vvvv9>line_warningiCvmkbranchvvvdumpnfav9outn99out_str_decv99out_str(9(out_decN-vmk2dataev9eflexfatalj9flexerrordataflushdataendbubble}vmkecharv}}mkeccl2v}}vvlist_character_set^2}flex_freewk reallocate_arrayk k vallocate_arrayk v99libintl_gettextreallock k callock =__flsbufv^v29^fputsvc29fprintfv2B[ecs.c /var/tmp/flex-2.5.35 /opt/sunstudio12.1/prod/bin/cc -DHAVE_CONFIG_H -I. -I. -I. -DLOCALEDIR='"/usr/local/share/locale"' -I./intl -I/usr/local/include -g -c ecs.c -W0,-xp.XAKgoyLqX6WM0bD.Xa;g;R=Sun C 5.10 SunOS_i386 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flenrgnshortrhnlongrh # ) /#) /#) /#) A#( A#(ap nwordsrncharsrhas_shortr #B$ #B$ #B$_nr && && &&_nr &( &( &(pstart  '( '( '(nrlastws p  '( '( '( 'D( 'D( '7( '7( '7(_nr D(( D(( (( (( ((_nrunsigned charP unsigned__FILEN _cntr#_ptra #_basea #_flagP # _fileP # __orientationf # __ionolockf #  __seekablef #  __extendedfdf #  __xf_nocheckf #  __fillerf #  r FILEN y^ usg_elem idxr#next #alias #h h usg_elem longr  y  y y scanopt_err@)*Ur 5sropt_offset ris_shortrerroptname optchar opt y y  & matchlongoptZ+6,UrV strToptnameT V optlenTargTV arglenTp[rfind_opt@,.Urh5srlookup_long optstartrlenV err_codeV opt_offsetnmatchrlastr_valrir ,$. ,. ,.optnamescanopt.+3Urzsvoidarg V optindexoptnameoptargpstartnamelenrarglenrerrcoderhas_nextroptps5auxp{is_shortropt_offsetr&scanopt_destroy]03z3Ur-zsvoid[s5^y-libintl_gettextZ2yZydstrncmpr_if y f size_tstrlenyystrcmprtolowerrrmalloce,f y,getenvP1freedeydatoirir fputcrryfprintfr buf.c /var/tmp/flex-2.5.35 /opt/sunstudio12.1/prod/bin/cc -DHAVE_CONFIG_H -I. -I. -I. 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snprintf h D 0 fprintf  "tables.c /var/tmp/flex-2.5.35 /opt/sunstudio12.1/prod/bin/cc -DHAVE_CONFIG_H -I. -I. -I. -DLOCALEDIR='"/usr/local/share/locale"' -I./intl -I/usr/local/include -g -c tables.c -W0,-xp.XAKgoyLsX6WM0CE.Xa;g;R=Sun C 5.10 SunOS_i386 2009/06/03;G=.XAKgoyLsX6WM0CE.;backend;raw;cd;DBG_GEN 5.2.7Jyytbl_writer_initF99U{{wrEoutE intunsigned charunsigned__FILE_cnt{#_ptr#_base#_flag# _file# __orientation# __ionolock#  __seekable#  __extendedfd#  __xf_nocheck#  __filler#  FILE flex_uint32_tlong fpos_tyytbl_writer out#total_written#th_ssize_pos#yytbl_hdr_initS9:U{ethQversion_strQ %nameRunsigned short eflex_uint16_tcharyytbl_hdrth_magic#th_hsize#th_ssize#th_flagsw# th_version#th_name#   yytbl_data_initf::U{ntdeide voidnyytbl_datatd_idw#td_flagsw#td_hilen#td_lolen#td_datav# { yytbl_id YYTD_ID_ACCEPT YYTD_ID_BASE YYTD_ID_CHK YYTD_ID_DEF YYTD_ID_EC YYTD_ID_META YYTD_ID_NUL_TRANS YYTD_ID_NXT YYTD_ID_RULE_CAN_MATCH_EOL YYTD_ID_START_STATE_LIST YYTD_ID_TRANSITION YYTD_ID_ACCLIST 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2009/06/03;G=.XAKgoyLsX6WMEHE.;backend;raw;cd;DBG_GEN 5.2.7_yytbl_calc_total_len;LKLUftbl:n<intflex_int32_tunsigned shortflex_uint16_tunsignedflex_uint32_tvoidyytbl_dataa td_id# td_flags# td_hilen# td_lolen# td_data# a ofilter.c /var/tmp/flex-2.5.35 /opt/sunstudio12.1/prod/bin/cc -DHAVE_CONFIG_H -I. -I. -I. -DLOCALEDIR='"/usr/local/share/locale"' -I./intl -I/usr/local/include -g -c filter.c -W0,-xp.XAKgoyLsX6WMUKE.Xa;g;R=Sun C 5.10 SunOS_i386 2009/06/03;G=.XAKgoyLsX6WMUKE.;backend;raw;cd;DBG_GEN 5.2.7char4<check_4_gnu_m4Al inthcovoid4filter filter_func# extra# argch# argv# nextc# output_chainc p  filter_create_ext+PLMUc cchain) cmd) ...*fc,max_argsh-s.ap/ 44va_list filter_create_intfNNUcO cchainc `filter_funcd extraefcgh`cO filter_apply_chainNPUh cchainpidhpipes5O7PAO7PAO7PO+POOOOrhlongh0 filter_truncateʰPQUh cchain hmax_len lenh filter_tee_header QUUhN cchainreadszNbufSto_cfdhto_cato_hawrite_headerhh4unsigned charXunsigned__FILEV _cnth# _ptri# _basei# _flagX# _fileX# __orientationn# 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2009/06/03;G=.XAKgoyLsX6WM0ME.;backend;raw;cd;DBG_GEN 5.2.7char2:REGEXP_LINEDIR?t 2aREGEXP_BLANK_LINEfx flex_init_regex&YYUintflex_regcomp3Y{ZUjpreg2%regex2 cflags2err4 YyZ ZyZ ZyZerrbuf_sz*9errbuf/:unsigned jsize_tvoid _regex_ext_t   re_nsubv# re_comp# re_cflags# re_erroffv# re_lenv# re_sc# regex_t 2 2regmatch_dupKZZU/!mJ+srcJ str/LlenM2 regoff_t  rm_sp# rm_ep# rm_so# rm_eo# rm_ss# rm_es# regmatch_t2&regmatch_cpy_[o[U/!m^/dest^ src^2regmatch_lenpp[[U!moregmatch_strtol[U\UV!m[src `endptrbasenbufms/2V/long2~eregmatch_empty`\\U!mregex_blank_line 0? regex_linedir `? 2flexfatalflex_alloc1j12regerrorvk6;v2pregcompku2strncpy//jmemsetj2strtole `free424snprintf/j9k /var/tmp/flex-2.5.35/usr/include/usr/include/isoccl.cstdio_impl.hstdio_iso.h0]6])D] R] a] v] ]~]] ]]<] ] ^^ $^ ,^~;^F^ U^ ^^ i^ x^ ^^^ ^ ^^&_ <_ U_ [_ _ _ )` 2`S` `q`.a 0a6a>aPa za a~aa a a a a a b b 1b 7b @bFbNbeb b bb b bb c .c ?c Qc bc tc c c c ccc c c d &d Ad\dfd |d d d d d d eee Ee PeVee e e e Ff cf f ff .gqDgg ggg g g g h|hh  h&hh hhh C /var/tmp/flex-2.5.35/usr/include/usr/include/iso/usr/include/sysdfa.cstdio_impl.hstdio_iso.htables_shared.hflexint.htables.hflexdef.htypes.hhh7"i -i ;i _iqii iii j j #j 1j LjTjcj vjj j{jqjjjj j k k :k Ik [k `k~okwk k kvkk k k l l l|l7m @mIm[m m m~mm mm 6n Hndn wn n o oo4o 1o ;oNo ao moo p 7p @pwSp fp tp p p p p p  r r9r |sqss s st{tt #t ,t 2t @tCtRt ]t xt t t t t t u $u?u Pueuluvu uu uu u u u~v v -v ?vIv \v yv~v"vv vv v v v}w w(w =wGw Yw gw yww ww www w w w  x} H}f} {} } }} } }}} ~ 7~ B~I~ W~m~z~ ~ ~ ~ ~ ~~~*4 CN `    ]zp u    ǀ     *}9Z~lv {    Ɂ ԁ     P [}ejx  ɂ ݂    - A D~S[ f o |c"Ń ʃ ҃    / >L Z b l   „ބ  -y< LU d r ~~   Ņ Ѕօ݅      $ , : H X gz     oȆ׆         $v8Dy I< ˇ ؇ ~  % 1 ? 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It was generated by help2man 1.36. .TH FLEX "1" "February 2008" "flex 2.5.35" "User Commands" .SH NAME flex \- the fast lexical analyser generator .SH SYNOPSIS .B flex [\fIOPTIONS\fR] [\fIFILE\fR]... .SH DESCRIPTION Generates programs that perform pattern\-matching on text. .SS "Table Compression:" .TP \fB\-Ca\fR, \fB\-\-align\fR trade off larger tables for better memory alignment .TP \fB\-Ce\fR, \fB\-\-ecs\fR construct equivalence classes .TP \fB\-Cf\fR do not compress tables; use \fB\-f\fR representation .TP \fB\-CF\fR do not compress tables; use \fB\-F\fR representation .TP \fB\-Cm\fR, \fB\-\-meta\-ecs\fR construct meta\-equivalence classes .TP \fB\-Cr\fR, \fB\-\-read\fR use read() instead of stdio for scanner input .TP \fB\-f\fR, \fB\-\-full\fR generate fast, large scanner. Same as \fB\-Cfr\fR .TP \fB\-F\fR, \fB\-\-fast\fR use alternate table representation. Same as \fB\-CFr\fR .TP \fB\-Cem\fR default compression (same as \fB\-\-ecs\fR \fB\-\-meta\-ecs\fR) .SS "Debugging:" .TP \fB\-d\fR, \fB\-\-debug\fR enable debug mode in scanner .TP \fB\-b\fR, \fB\-\-backup\fR write backing\-up information to lex.backup .TP \fB\-p\fR, \fB\-\-perf\-report\fR write performance report to stderr .TP \fB\-s\fR, \fB\-\-nodefault\fR suppress default rule to ECHO unmatched text .TP \fB\-T\fR, \fB\-\-trace\fR flex should run in trace mode .TP \fB\-w\fR, \fB\-\-nowarn\fR do not generate warnings .TP \fB\-v\fR, \fB\-\-verbose\fR write summary of scanner statistics to stdout .SS "Files:" .TP \fB\-o\fR, \fB\-\-outfile\fR=\fIFILE\fR specify output filename .TP \fB\-S\fR, \fB\-\-skel\fR=\fIFILE\fR specify skeleton file .TP \fB\-t\fR, \fB\-\-stdout\fR write scanner on stdout instead of lex.yy.c .TP \fB\-\-yyclass\fR=\fINAME\fR name of C++ class .TP \fB\-\-header\-file\fR=\fIFILE\fR create a C header file in addition to the scanner .HP \fB\-\-tables\-file\fR[=\fIFILE\fR] write tables to FILE .SS "Scanner behavior:" .TP \fB\-7\fR, \fB\-\-7bit\fR generate 7\-bit scanner .TP \fB\-8\fR, \fB\-\-8bit\fR generate 8\-bit scanner .TP \fB\-B\fR, \fB\-\-batch\fR generate batch scanner (opposite of \fB\-I\fR) .TP \fB\-i\fR, \fB\-\-case\-insensitive\fR ignore case in patterns .TP \fB\-l\fR, \fB\-\-lex\-compat\fR maximal compatibility with original lex .TP \fB\-X\fR, \fB\-\-posix\-compat\fR maximal compatibility with POSIX lex .TP \fB\-I\fR, \fB\-\-interactive\fR generate interactive scanner (opposite of \fB\-B\fR) .TP \fB\-\-yylineno\fR track line count in yylineno .SS "Generated code:" .TP \-+, \fB\-\-c\fR++ generate C++ scanner class .TP \fB\-Dmacro\fR[=\fIdefn\fR] #define macro defn (default defn is '1') .TP \fB\-L\fR, \fB\-\-noline\fR suppress #line directives in scanner .TP \fB\-P\fR, \fB\-\-prefix\fR=\fISTRING\fR use STRING as prefix instead of "yy" .TP \fB\-R\fR, \fB\-\-reentrant\fR generate a reentrant C scanner .TP \fB\-\-bison\-bridge\fR scanner for bison pure parser. .TP \fB\-\-bison\-locations\fR include yylloc support. .TP \fB\-\-stdinit\fR initialize yyin/yyout to stdin/stdout .HP \fB\-\-noansi\-definitions\fR old\-style function definitions .TP \fB\-\-noansi\-prototypes\fR empty parameter list in prototypes .TP \fB\-\-nounistd\fR do not include .TP \fB\-\-noFUNCTION\fR do not generate a particular FUNCTION .SS "Miscellaneous:" .TP \fB\-c\fR do\-nothing POSIX option .TP \fB\-n\fR do\-nothing POSIX option .HP \-? .TP \fB\-h\fR, \fB\-\-help\fR produce this help message .TP \fB\-V\fR, \fB\-\-version\fR report flex version .SH "SEE ALSO" The full documentation for .B flex is maintained as a Texinfo manual. If the .B info and .B flex programs are properly installed at your site, the command .IP .B info flex .PP should give you access to the complete manual. 07070100039f0f000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000001400000000root/usr/local/info07070100039f10000081a40000000000000000000000014c5ba5ed000028a8000000b500010002ffffffffffffffff0000001e00000000root/usr/local/info/flex.infoThis is flex.info, produced by makeinfo version 4.8 from flex.texi. INFO-DIR-SECTION Programming START-INFO-DIR-ENTRY * flex: (flex). Fast lexical analyzer generator (lex replacement). END-INFO-DIR-ENTRY The flex manual is placed under the same licensing conditions as the rest of flex: Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The Flex Project. Copyright (C) 1990, 1997 The Regents of the University of California. All rights reserved. This code is derived from software contributed to Berkeley by Vern Paxson. The United States Government has rights in this work pursuant to contract no. DE-AC03-76SF00098 between the United States Department of Energy and the University of California. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  Indirect: flex.info-1: 1620 flex.info-2: 287921  Tag Table: (Indirect) Node: Top1620 Node: Copyright7690 Node: Reporting Bugs9203 Node: Introduction9508 Node: Simple Examples10336 Node: Format13646 Node: Definitions Section14060 Ref: Definitions Section-Footnote-116323 Node: Rules Section16391 Node: User Code Section17549 Node: Comments in the Input17987 Node: Patterns19355 Ref: case and character ranges26186 Node: Matching30201 Node: Actions33487 Node: Generated Scanner42466 Node: Start Conditions47484 Node: Multiple Input Buffers58043 Ref: Scanning Strings64581 Node: EOF66211 Node: Misc Macros67799 Node: User Values70653 Node: Yacc72984 Node: Scanner Options73880 Node: Options for Specifying Filenames76638 Ref: option-header76864 Ref: option-outfile77576 Ref: option-stdout77901 Node: Options Affecting Scanner Behavior78883 Ref: option-case-insensitive79124 Ref: option-lex-compat79557 Ref: option-batch80089 Ref: option-interactive80613 Ref: option-7bit81967 Ref: option-8bit83271 Ref: option-default83683 Ref: option-always-interactive83747 Ref: option-posix84351 Ref: option-stack85498 Ref: option-stdinit85606 Ref: option-yylineno86084 Ref: option-yywrap86527 Node: Code-Level And API Options86795 Ref: option-ansi-definitions87022 Ref: option-ansi-prototypes87274 Ref: option-bison-bridge87521 Ref: option-bison-locations87860 Ref: option-noline88120 Ref: option-reentrant88634 Ref: option-c++89245 Ref: option-array89371 Ref: option-pointer89469 Ref: option-prefix89597 Ref: option-main91126 Ref: option-nounistd91310 Ref: option-yyclass91818 Node: Options for Scanner Speed and Size92304 Ref: option-align92853 Ref: option-ecs93354 Ref: option-meta-ecs94390 Ref: option-read94877 Ref: option-full96760 Ref: option-fast96955 Node: Debugging Options97881 Ref: option-backup98068 Ref: option-debug98613 Ref: option-perf-report99336 Ref: option-nodefault99962 Ref: option-trace100280 Ref: option-nowarn100571 Ref: option-verbose100639 Ref: option-warn101068 Node: Miscellaneous Options101287 Node: Performance101744 Node: Cxx112008 Node: Reentrant119531 Node: Reentrant Uses120208 Node: Reentrant Overview121771 Node: Reentrant Example122570 Node: Reentrant Detail123345 Node: Specify Reentrant123778 Node: Extra Reentrant Argument124425 Node: Global Replacement125677 Node: Init and Destroy Functions126906 Node: Accessor Methods129418 Node: Extra Data130762 Node: About yyscan_t133029 Node: Reentrant Functions133425 Ref: bison-functions134909 Node: Lex and Posix135650 Node: Memory Management143034 Ref: memory-management143180 Node: The Default Memory Management143408 Ref: The Default Memory Management-Footnote-1147217 Node: Overriding The Default Memory Management147370 Ref: Overriding The Default Memory Management-Footnote-1149769 Node: A Note About yytext And Memory149933 Node: Serialized Tables151166 Ref: serialization151310 Node: Creating Serialized Tables152075 Node: Loading and Unloading Serialized Tables153685 Node: Tables File Format155453 Node: Diagnostics162468 Node: Limitations165879 Node: Bibliography167828 Node: FAQ168501 Node: When was flex born?172741 Node: How do I expand backslash-escape sequences in C-style quoted strings?173118 Node: Why do flex scanners call fileno if it is not ANSI compatible?174422 Node: Does flex support recursive pattern definitions?175217 Node: How do I skip huge chunks of input (tens of megabytes) while using flex?176064 Node: Flex is not matching my patterns in the same order that I defined them.176531 Node: My actions are executing out of order or sometimes not at all.178277 Node: How can I have multiple input sources feed into the same scanner at the same time?179052 Node: Can I build nested parsers that work with the same input file?181040 Node: How can I match text only at the end of a file?182046 Node: How can I make REJECT cascade across start condition boundaries?182851 Node: Why cant I use fast or full tables with interactive mode?183866 Node: How much faster is -F or -f than -C?185124 Node: If I have a simple grammar cant I just parse it with flex?185436 Node: Why doesn't yyrestart() set the start state back to INITIAL?185917 Node: How can I match C-style comments?186544 Node: The period isn't working the way I expected.187358 Node: Can I get the flex manual in another format?188605 Node: Does there exist a "faster" NDFA->DFA algorithm?189094 Node: How does flex compile the DFA so quickly?189604 Node: How can I use more than 8192 rules?190571 Node: How do I abandon a file in the middle of a scan and switch to a new file?191983 Node: How do I execute code only during initialization (only before the first scan)?192536 Node: How do I execute code at termination?193314 Node: Where else can I find help?193640 Node: Can I include comments in the "rules" section of the file?194013 Node: I get an error about undefined yywrap().194392 Node: How can I change the matching pattern at run time?194869 Node: How can I expand macros in the input?195231 Node: How can I build a two-pass scanner?196264 Node: How do I match any string not matched in the preceding rules?197180 Node: I am trying to port code from AT&T lex that uses yysptr and yysbuf.198090 Node: Is there a way to make flex treat NULL like a regular character?198885 Node: Whenever flex can not match the input it says "flex scanner jammed".199406 Node: Why doesn't flex have non-greedy operators like perl does?200050 Node: Memory leak - 16386 bytes allocated by malloc.201403 Ref: faq-memory-leak201701 Node: How do I track the byte offset for lseek()?202669 Node: How do I use my own I/O classes in a C++ scanner?204180 Node: How do I skip as many chars as possible?205023 Node: deleteme00206100 Node: Are certain equivalent patterns faster than others?206541 Node: Is backing up a big deal?209960 Node: Can I fake multi-byte character support?211867 Node: deleteme01213309 Node: Can you discuss some flex internals?214419 Node: unput() messes up yy_at_bol216664 Node: The | operator is not doing what I want217767 Node: Why can't flex understand this variable trailing context pattern?219314 Node: The ^ operator isn't working220564 Node: Trailing context is getting confused with trailing optional patterns221800 Node: Is flex GNU or not?223044 Node: ERASEME53224718 Node: I need to scan if-then-else blocks and while loops225489 Node: ERASEME55226689 Node: ERASEME56227788 Node: ERASEME57229147 Node: Is there a repository for flex scanners?230146 Node: How can I conditionally compile or preprocess my flex input file?230461 Node: Where can I find grammars for lex and yacc?230934 Node: I get an end-of-buffer message for each character scanned.231281 Node: unnamed-faq-62231876 Node: unnamed-faq-63232895 Node: unnamed-faq-64234193 Node: unnamed-faq-65235160 Node: unnamed-faq-66235947 Node: unnamed-faq-67237063 Node: unnamed-faq-68238051 Node: unnamed-faq-69239194 Node: unnamed-faq-70239908 Node: unnamed-faq-71240670 Node: unnamed-faq-72241880 Node: unnamed-faq-73242924 Node: unnamed-faq-74243849 Node: unnamed-faq-75244795 Node: unnamed-faq-76245928 Node: unnamed-faq-77246635 Node: unnamed-faq-78247529 Node: unnamed-faq-79248528 Node: unnamed-faq-80250229 Node: unnamed-faq-81251548 Node: unnamed-faq-82254349 Node: unnamed-faq-83255307 Node: unnamed-faq-84257088 Node: unnamed-faq-85258192 Node: unnamed-faq-86259200 Node: unnamed-faq-87260139 Node: unnamed-faq-88260786 Node: unnamed-faq-90261618 Node: unnamed-faq-91262882 Node: unnamed-faq-92265311 Node: unnamed-faq-93265811 Node: unnamed-faq-94266739 Node: unnamed-faq-95268152 Node: unnamed-faq-96269671 Node: unnamed-faq-97270431 Node: unnamed-faq-98271099 Node: unnamed-faq-99271765 Node: unnamed-faq-100272695 Node: unnamed-faq-101273406 Node: What is the difference between YYLEX_PARAM and YY_DECL?274220 Node: Why do I get "conflicting types for yylex" error?274742 Node: How do I access the values set in a Flex action from within a Bison action?275272 Node: Appendices275703 Node: Makefiles and Flex275912 Ref: Makefiles and Flex-Footnote-1279112 Ref: Makefiles and Flex-Footnote-2279229 Ref: Makefiles and Flex-Footnote-3279415 Node: Bison Bridge279466 Ref: Bison Bridge-Footnote-1282135 Node: M4 Dependency282327 Ref: M4 Dependency-Footnote-1283732 Node: Common Patterns283867 Node: Numbers284158 Node: Identifiers285135 Node: Quoted Constructs285964 Node: Addresses287017 Node: Indices287683 Node: Concept Index287921 Node: Index of Functions and Macros313204 Node: Index of Variables318100 Node: Index of Data Types319766 Node: Index of Hooks320654 Node: Index of Scanner Options321222  End Tag Table 07070100039f12000081a40000000000000000000000014c5ba5ed0000cbcf000000b500010002ffffffffffffffff0000002000000000root/usr/local/info/flex.info-2This is flex.info, produced by makeinfo version 4.8 from flex.texi. INFO-DIR-SECTION Programming START-INFO-DIR-ENTRY * flex: (flex). Fast lexical analyzer generator (lex replacement). END-INFO-DIR-ENTRY The flex manual is placed under the same licensing conditions as the rest of flex: Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The Flex Project. Copyright (C) 1990, 1997 The Regents of the University of California. All rights reserved. This code is derived from software contributed to Berkeley by Vern Paxson. The United States Government has rights in this work pursuant to contract no. DE-AC03-76SF00098 between the United States Department of Energy and the University of California. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  File: flex.info, Node: Concept Index, Next: Index of Functions and Macros, Prev: Indices, Up: Indices Concept Index ============= [index] * Menu: * $ as normal character in patterns: Patterns. (line 282) * %array, advantages of: Matching. (line 44) * %array, use of: Matching. (line 30) * %array, with C++: Matching. (line 67) * %option nowrap: Generated Scanner. (line 96) * %pointer, and unput(): Actions. (line 170) * %pointer, use of: Matching. (line 30) * %top: Definitions Section. (line 48) * %{ and %}, in Definitions Section: Definitions Section. (line 44) * %{ and %}, in Rules Section: Actions. (line 28) * <>, use of: EOF. (line 34) * [] in patterns: Patterns. (line 15) * ^ as non-special character in patterns: Patterns. (line 282) * accessor functions, use of: Accessor Methods. (line 18) * actions: Actions. (line 6) * actions, embedded C strings: Actions. (line 28) * actions, redefining YY_BREAK: Misc Macros. (line 51) * actions, use of { and }: Actions. (line 28) * aliases, how to define: Definitions Section. (line 10) * arguments, command-line: Scanner Options. (line 6) * array, default size for yytext: User Values. (line 13) * backing up, eliminating: Performance. (line 56) * backing up, eliminating by adding error rules: Performance. (line 108) * backing up, eliminating with catch-all rule: Performance. (line 123) * backing up, example of eliminating: Performance. (line 51) * BEGIN: Actions. (line 60) * BEGIN, explanation: Start Conditions. (line 90) * beginning of line, in patterns: Patterns. (line 128) * bison, bridging with flex: Bison Bridge. (line 6) * bison, parser: Bison Bridge. (line 57) * bison, scanner to be called from bison: Bison Bridge. (line 37) * BOL, checking the BOL flag: Misc Macros. (line 48) * BOL, in patterns: Patterns. (line 128) * BOL, setting it: Misc Macros. (line 42) * braces in patterns: Patterns. (line 42) * bugs, reporting: Reporting Bugs. (line 6) * C code in flex input: Definitions Section. (line 44) * C++: Cxx. (line 9) * C++ and %array: User Values. (line 23) * C++ I/O, customizing: How do I use my own I/O classes in a C++ scanner?. (line 9) * C++ scanners, including multiple scanners: Cxx. (line 186) * C++ scanners, use of: Cxx. (line 122) * c++, experimental form of scanner class: Cxx. (line 6) * C++, multiple different scanners: Cxx. (line 180) * C-strings, in actions: Actions. (line 28) * case-insensitive, effect on character classes: Patterns. (line 223) * character classes in patterns: Patterns. (line 191) * character classes in patterns, syntax of: Patterns. (line 15) * character classes, equivalence of: Patterns. (line 211) * clearing an input buffer: Multiple Input Buffers. (line 66) * command-line options: Scanner Options. (line 6) * comments in flex input: Definitions Section. (line 41) * comments in the input: Comments in the Input. (line 25) * comments, discarding: Actions. (line 184) * comments, example of scanning C comments: Start Conditions. (line 148) * comments, in actions: Actions. (line 28) * comments, in rules section: Comments in the Input. (line 11) * comments, syntax of: Comments in the Input. (line 6) * comments, valid uses of: Comments in the Input. (line 25) * compressing whitespace: Actions. (line 23) * concatenation, in patterns: Patterns. (line 112) * copyright of flex: Copyright. (line 6) * counting characters and lines: Simple Examples. (line 25) * customizing I/O in C++ scanners: How do I use my own I/O classes in a C++ scanner?. (line 9) * default rule <1>: Matching. (line 20) * default rule: Simple Examples. (line 16) * defining pattern aliases: Definitions Section. (line 22) * Definitions, in flex input: Definitions Section. (line 6) * deleting lines from input: Actions. (line 13) * discarding C comments: Actions. (line 184) * distributing flex: Copyright. (line 6) * ECHO: Actions. (line 57) * ECHO, and yyout: Generated Scanner. (line 104) * embedding C code in flex input: Definitions Section. (line 44) * end of file, in patterns: Patterns. (line 151) * end of line, in negated character classes: Patterns. (line 244) * end of line, in patterns: Patterns. (line 132) * end-of-file, and yyrestart(): Generated Scanner. (line 44) * EOF and yyrestart(): Generated Scanner. (line 44) * EOF in patterns, syntax of: Patterns. (line 151) * EOF, example using multiple input buffers: Multiple Input Buffers. (line 81) * EOF, explanation: EOF. (line 6) * EOF, pushing back: Actions. (line 178) * EOL, in negated character classes: Patterns. (line 244) * EOL, in patterns: Patterns. (line 132) * error messages, end of buffer missed: Lex and Posix. (line 50) * error reporting, diagnostic messages: Diagnostics. (line 6) * error reporting, in C++: Cxx. (line 106) * error rules, to eliminate backing up: Performance. (line 106) * escape sequences in patterns, syntax of: Patterns. (line 57) * exiting with yyterminate(): Actions. (line 221) * experimental form of c++ scanner class: Cxx. (line 6) * extended scope of start conditions: Start Conditions. (line 283) * file format: Format. (line 6) * file format, serialized tables: Tables File Format. (line 6) * flushing an input buffer: Multiple Input Buffers. (line 66) * flushing the internal buffer: Actions. (line 215) * format of flex input: Format. (line 6) * format of input file: Format. (line 9) * freeing tables: Loading and Unloading Serialized Tables. (line 6) * getting current start state with YY_START: Start Conditions. (line 199) * halting with yyterminate(): Actions. (line 221) * handling include files with multiple input buffers: Multiple Input Buffers. (line 87) * header files, with C++: Cxx. (line 186) * include files, with C++: Cxx. (line 186) * input file, Definitions section: Definitions Section. (line 6) * input file, Rules Section: Rules Section. (line 6) * input file, user code Section: User Code Section. (line 6) * input(): Actions. (line 181) * input(), and C++: Actions. (line 211) * input, format of: Format. (line 6) * input, matching: Matching. (line 6) * keywords, for performance: Performance. (line 211) * lex (traditional) and POSIX: Lex and Posix. (line 6) * LexerInput, overriding: How do I use my own I/O classes in a C++ scanner?. (line 9) * LexerOutput, overriding: How do I use my own I/O classes in a C++ scanner?. (line 9) * limitations of flex: Limitations. (line 6) * literal text in patterns, syntax of: Patterns. (line 54) * loading tables at runtime: Loading and Unloading Serialized Tables. (line 6) * m4: M4 Dependency. (line 6) * Makefile, example of implicit rules: Makefiles and Flex. (line 21) * Makefile, explicit example: Makefiles and Flex. (line 33) * Makefile, syntax: Makefiles and Flex. (line 6) * matching C-style double-quoted strings: Start Conditions. (line 214) * matching, and trailing context: Matching. (line 6) * matching, length of: Matching. (line 6) * matching, multiple matches: Matching. (line 6) * member functions, C++: Cxx. (line 9) * memory management: Memory Management. (line 6) * memory, allocating input buffers: Multiple Input Buffers. (line 19) * memory, considerations for reentrant scanners: Init and Destroy Functions. (line 6) * memory, deleting input buffers: Multiple Input Buffers. (line 46) * memory, for start condition stacks: Start Conditions. (line 316) * memory, serialized tables <1>: Loading and Unloading Serialized Tables. (line 6) * memory, serialized tables: Serialized Tables. (line 6) * methods, c++: Cxx. (line 9) * minimal scanner: Matching. (line 24) * multiple input streams: Multiple Input Buffers. (line 6) * name definitions, not POSIX: Lex and Posix. (line 77) * negating ranges in patterns: Patterns. (line 23) * newline, matching in patterns: Patterns. (line 136) * non-POSIX features of flex: Lex and Posix. (line 148) * nowrap, %option: Generated Scanner. (line 96) * NULL character in patterns, syntax of: Patterns. (line 62) * octal characters in patterns: Patterns. (line 65) * options, command-line: Scanner Options. (line 6) * overriding LexerInput: How do I use my own I/O classes in a C++ scanner?. (line 9) * overriding LexerOutput: How do I use my own I/O classes in a C++ scanner?. (line 9) * overriding the memory routines: Overriding The Default Memory Management. (line 43) * Pascal-like language: Simple Examples. (line 51) * pattern aliases, defining: Definitions Section. (line 22) * pattern aliases, expansion of: Patterns. (line 51) * pattern aliases, how to define: Definitions Section. (line 10) * pattern aliases, use of: Definitions Section. (line 30) * patterns and actions on different lines: Lex and Posix. (line 104) * patterns, character class equivalence: Patterns. (line 211) * patterns, common: Common Patterns. (line 6) * patterns, end of line: Patterns. (line 309) * patterns, grouping and precedence: Patterns. (line 168) * patterns, in rules section: Patterns. (line 6) * patterns, invalid trailing context: Patterns. (line 292) * patterns, matching: Matching. (line 6) * patterns, precedence of operators: Patterns. (line 162) * patterns, repetitions with grouping: Patterns. (line 188) * patterns, special characters treated as non-special: Patterns. (line 301) * patterns, syntax: Patterns. (line 9) * patterns, tuning for performance: Performance. (line 51) * patterns, valid character classes: Patterns. (line 197) * performance optimization, matching longer tokens: Performance. (line 176) * performance optimization, recognizing keywords: Performance. (line 216) * performance, backing up: Performance. (line 51) * performance, considerations: Performance. (line 6) * performance, using keywords: Performance. (line 211) * popping an input buffer: Multiple Input Buffers. (line 60) * POSIX and lex: Lex and Posix. (line 6) * POSIX comp;compliance: Lex and Posix. (line 148) * POSIX, character classes in patterns, syntax of: Patterns. (line 15) * preprocessor macros, for use in actions: Actions. (line 53) * pushing an input buffer: Multiple Input Buffers. (line 52) * pushing back characters with unput: Actions. (line 150) * pushing back characters with unput(): Actions. (line 154) * pushing back characters with yyless: Actions. (line 137) * pushing back EOF: Actions. (line 178) * ranges in patterns: Patterns. (line 19) * ranges in patterns, negating: Patterns. (line 23) * recognizing C comments: Start Conditions. (line 151) * reentrant scanners, multiple interleaved scanners: Reentrant Uses. (line 10) * reentrant scanners, recursive invocation: Reentrant Uses. (line 31) * reentrant, accessing flex variables: Global Replacement. (line 6) * reentrant, accessor functions: Accessor Methods. (line 6) * reentrant, API explanation: Reentrant Overview. (line 6) * reentrant, calling functions: Extra Reentrant Argument. (line 6) * reentrant, example of: Reentrant Example. (line 6) * reentrant, explanation: Reentrant. (line 6) * reentrant, extra data: Extra Data. (line 6) * reentrant, initialization: Init and Destroy Functions. (line 6) * regular expressions, in patterns: Patterns. (line 6) * REJECT: Actions. (line 64) * REJECT, calling multiple times: Actions. (line 87) * REJECT, performance costs: Performance. (line 12) * reporting bugs: Reporting Bugs. (line 6) * restarting the scanner: Lex and Posix. (line 55) * RETURN, within actions: Generated Scanner. (line 59) * rules, default: Simple Examples. (line 16) * rules, in flex input: Rules Section. (line 6) * scanner, definition of: Introduction. (line 6) * sections of flex input: Format. (line 6) * serialization: Serialized Tables. (line 6) * serialization of tables: Creating Serialized Tables. (line 6) * serialized tables, multiple scanners: Creating Serialized Tables. (line 27) * stack, input buffer pop: Multiple Input Buffers. (line 60) * stack, input buffer push: Multiple Input Buffers. (line 52) * stacks, routines for manipulating: Start Conditions. (line 301) * start condition, applying to multiple patterns: Start Conditions. (line 270) * start conditions: Start Conditions. (line 6) * start conditions, behavior of default rule: Start Conditions. (line 87) * start conditions, exclusive: Start Conditions. (line 56) * start conditions, for different interpretations of same input: Start Conditions. (line 119) * start conditions, in patterns: Patterns. (line 141) * start conditions, inclusive: Start Conditions. (line 46) * start conditions, inclusive v.s. exclusive: Start Conditions. (line 26) * start conditions, integer values: Start Conditions. (line 172) * start conditions, multiple: Start Conditions. (line 18) * start conditions, special wildcard condition: Start Conditions. (line 72) * start conditions, use of a stack: Start Conditions. (line 301) * start conditions, use of wildcard condition (<*>): Start Conditions. (line 76) * start conditions, using BEGIN: Start Conditions. (line 101) * stdin, default for yyin: Generated Scanner. (line 39) * stdout, as default for yyout: Generated Scanner. (line 104) * strings, scanning strings instead of files: Multiple Input Buffers. (line 177) * tables, creating serialized: Creating Serialized Tables. (line 6) * tables, file format: Tables File Format. (line 6) * tables, freeing: Loading and Unloading Serialized Tables. (line 6) * tables, loading and unloading: Loading and Unloading Serialized Tables. (line 6) * terminating with yyterminate(): Actions. (line 221) * token: Matching. (line 14) * trailing context, in patterns: Patterns. (line 119) * trailing context, limits of: Patterns. (line 282) * trailing context, matching: Matching. (line 6) * trailing context, performance costs: Performance. (line 12) * trailing context, variable length: Performance. (line 147) * unput(): Actions. (line 150) * unput(), and %pointer: Actions. (line 170) * unput(), pushing back characters: Actions. (line 154) * user code, in flex input: User Code Section. (line 6) * username expansion: Simple Examples. (line 8) * using integer values of start condition names: Start Conditions. (line 172) * verbatim text in patterns, syntax of: Patterns. (line 54) * warning, dangerous trailing context: Limitations. (line 20) * warning, rule cannot be matched: Diagnostics. (line 14) * warnings, diagnostic messages: Diagnostics. (line 6) * whitespace, compressing: Actions. (line 23) * yacc interface: Yacc. (line 17) * yacc, interface: Yacc. (line 6) * YY_CURRENT_BUFFER, and multiple buffers Finally, the macro: Multiple Input Buffers. (line 78) * YY_EXTRA_TYPE, defining your own type: Extra Data. (line 34) * YY_FLUSH_BUFFER(): Actions. (line 215) * YY_INPUT: Generated Scanner. (line 63) * YY_INPUT, overriding: Generated Scanner. (line 73) * YY_START, example: Start Conditions. (line 195) * YY_USER_ACTION to track each time a rule is matched: Misc Macros. (line 14) * yyalloc, overriding: Overriding The Default Memory Management. (line 6) * yyfree, overriding: Overriding The Default Memory Management. (line 6) * yyin: Generated Scanner. (line 39) * yyinput(): Actions. (line 211) * yyleng: Matching. (line 14) * yyleng, modification of: Actions. (line 50) * yyless(): Actions. (line 131) * yyless(), pushing back characters: Actions. (line 137) * yylex(), in generated scanner: Generated Scanner. (line 6) * yylex(), overriding: Generated Scanner. (line 17) * yylex, overriding the prototype of: Generated Scanner. (line 21) * yylineno, in a reentrant scanner: Reentrant Functions. (line 38) * yylineno, performance costs: Performance. (line 12) * yymore(): Actions. (line 109) * yymore() to append token to previous token: Actions. (line 115) * yymore(), mega-kludge: Actions. (line 115) * yymore, and yyleng: Actions. (line 50) * yymore, performance penalty of: Actions. (line 125) * yyout: Generated Scanner. (line 104) * yyrealloc, overriding: Overriding The Default Memory Management. (line 6) * yyrestart(): Generated Scanner. (line 44) * yyterminate(): Actions. (line 221) * yytext: Matching. (line 14) * yytext, default array size: User Values. (line 13) * yytext, memory considerations: A Note About yytext And Memory. (line 6) * yytext, modification of: Actions. (line 44) * yytext, two types of: Matching. (line 30) * yywrap(): Generated Scanner. (line 88) * yywrap, default for: Generated Scanner. (line 96) * |, in actions: Actions. (line 35) * |, use of: Actions. (line 87)  File: flex.info, Node: Index of Functions and Macros, Next: Index of Variables, Prev: Concept Index, Up: Indices Index of Functions and Macros ============================= This is an index of functions and preprocessor macros that look like functions. For macros that expand to variables or constants, see *Note Index of Variables::. [index] * Menu: * BEGIN: Start Conditions. (line 90) * debug (C++ only): Cxx. (line 48) * LexerError (C++ only): Cxx. (line 106) * LexerInput (C++ only): Cxx. (line 91) * LexerOutput (C++ only): Cxx. (line 101) * lineno (C++ only): Cxx. (line 38) * set_debug (C++ only): Cxx. (line 42) * switch_streams (C++ only): Cxx. (line 78) * YY_AT_BOL: Misc Macros. (line 48) * yy_create_buffer: Multiple Input Buffers. (line 20) * yy_delete_buffer: Multiple Input Buffers. (line 47) * yy_flush_buffer: Multiple Input Buffers. (line 67) * yy_new_buffer: Multiple Input Buffers. (line 73) * YY_NEW_FILE (now obsolete): EOF. (line 11) * yy_pop_state: Start Conditions. (line 311) * yy_push_state: Start Conditions. (line 305) * yy_scan_buffer: Multiple Input Buffers. (line 200) * yy_scan_bytes: Multiple Input Buffers. (line 190) * yy_scan_string: Multiple Input Buffers. (line 186) * yy_set_bol: Misc Macros. (line 42) * yy_set_interactive: Misc Macros. (line 30) * yy_switch_to_buffer: Multiple Input Buffers. (line 36) * yy_top_state: Start Conditions. (line 314) * yyFlexLexer constructor (C++ only): Cxx. (line 61) * yyget_debug: Reentrant Functions. (line 8) * yyget_extra <1>: Reentrant Functions. (line 8) * yyget_extra: Extra Data. (line 20) * yyget_in: Reentrant Functions. (line 8) * yyget_leng: Reentrant Functions. (line 8) * yyget_lineno: Reentrant Functions. (line 8) * yyget_out: Reentrant Functions. (line 8) * yyget_text: Reentrant Functions. (line 8) * YYLeng (C++ only): Cxx. (line 34) * yylex (C++ version): Cxx. (line 66) * yylex (reentrant version): Bison Bridge. (line 23) * yylex_destroy: Init and Destroy Functions. (line 6) * yylex_init: Init and Destroy Functions. (line 6) * yypop_buffer_state: Multiple Input Buffers. (line 61) * yypush_buffer_state: Multiple Input Buffers. (line 53) * yyrestart: User Values. (line 39) * yyset_debug: Reentrant Functions. (line 8) * yyset_extra <1>: Reentrant Functions. (line 8) * yyset_extra: Extra Data. (line 20) * yyset_in: Reentrant Functions. (line 8) * yyset_lineno: Reentrant Functions. (line 8) * yyset_out: Reentrant Functions. (line 8) * yytables_destroy: Loading and Unloading Serialized Tables. (line 24) * yytables_fload: Loading and Unloading Serialized Tables. (line 11) * YYText (C++ only): Cxx. (line 30)  File: flex.info, Node: Index of Variables, Next: Index of Data Types, Prev: Index of Functions and Macros, Up: Indices Index of Variables ================== This is an index of variables, constants, and preprocessor macros that expand to variables or constants. [index] * Menu: * INITIAL: Start Conditions. (line 90) * YY_CURRENT_BUFFER: User Values. (line 50) * YY_END_OF_BUFFER_CHAR: Multiple Input Buffers. (line 198) * YY_NUM_RULES: Misc Macros. (line 17) * YY_START <1>: User Values. (line 53) * YY_START: Start Conditions. (line 202) * yyextra: Extra Data. (line 6) * yyin: User Values. (line 29) * yyleng: User Values. (line 26) * yylloc: Bison Bridge. (line 6) * YYLMAX: User Values. (line 13) * yylval: Bison Bridge. (line 6) * yylval, with yacc: Yacc. (line 6) * yyout: User Values. (line 46) * yyscanner (reentrant only): Extra Reentrant Argument. (line 6) * yytext <1>: User Values. (line 9) * yytext: Matching. (line 30)  File: flex.info, Node: Index of Data Types, Next: Index of Hooks, Prev: Index of Variables, Up: Indices Index of Data Types =================== [index] * Menu: * FlexLexer (C++ only): Cxx. (line 57) * YY_BUFFER_STATE: Multiple Input Buffers. (line 25) * YY_EXTRA_TYPE (reentrant only): Extra Data. (line 20) * yy_size_t: Multiple Input Buffers. (line 211) * yyFlexLexer (C++ only): Cxx. (line 57) * YYLTYPE: Bison Bridge. (line 6) * yyscan_t (reentrant only): About yyscan_t. (line 6) * YYSTYPE: Bison Bridge. (line 6)  File: flex.info, Node: Index of Hooks, Next: Index of Scanner Options, Prev: Index of Data Types, Up: Indices Index of Hooks ============== This is an index of "hooks" that the user may define. These hooks typically correspond to specific locations in the generated scanner, and may be used to insert arbitrary code. [index] * Menu: * YY_BREAK: Misc Macros. (line 51) * YY_USER_ACTION: Misc Macros. (line 6) * YY_USER_INIT: Misc Macros. (line 25)  File: flex.info, Node: Index of Scanner Options, Prev: Index of Hooks, Up: Indices Index of Scanner Options ======================== [index] * Menu: * -+: Code-Level And API Options. (line 50) * --7bit: Options Affecting Scanner Behavior. (line 57) * --8bit: Options Affecting Scanner Behavior. (line 81) * --align: Options for Scanner Speed and Size. (line 15) * --always-interactive: Options Affecting Scanner Behavior. (line 93) * --array: Code-Level And API Options. (line 54) * --backup: Debugging Options. (line 6) * --batch: Options Affecting Scanner Behavior. (line 23) * --bison-bridge: Code-Level And API Options. (line 17) * --bison-locations: Code-Level And API Options. (line 24) * --c++: Code-Level And API Options. (line 50) * --case-insensitive: Options Affecting Scanner Behavior. (line 6) * --debug: Debugging Options. (line 16) * --default: Options Affecting Scanner Behavior. (line 90) * --ecs: Options for Scanner Speed and Size. (line 24) * --fast: Options for Scanner Speed and Size. (line 101) * --full: Options for Scanner Speed and Size. (line 96) * --header-file: Options for Specifying Filenames. (line 6) * --help: Miscellaneous Options. (line 9) * --interactive: Options Affecting Scanner Behavior. (line 33) * --lex-compat: Options Affecting Scanner Behavior. (line 14) * --main: Code-Level And API Options. (line 101) * --meta-ecs: Options for Scanner Speed and Size. (line 45) * --never-interactive: Options Affecting Scanner Behavior. (line 101) * --nodefault: Debugging Options. (line 44) * --noline: Code-Level And API Options. (line 29) * --nounistd: Code-Level And API Options. (line 106) * --nowarn: Debugging Options. (line 56) * --option-ansi-definitions: Code-Level And API Options. (line 6) * --option-ansi-prototypes: Code-Level And API Options. (line 12) * --outfile: Options for Specifying Filenames. (line 21) * --perf-report: Debugging Options. (line 32) * --pointer: Code-Level And API Options. (line 57) * --posix: Options Affecting Scanner Behavior. (line 105) * --prefix: Code-Level And API Options. (line 61) * --read: Options for Scanner Speed and Size. (line 54) * --reentrant: Code-Level And API Options. (line 38) * --skel: Options for Specifying Filenames. (line 31) * --stack: Options Affecting Scanner Behavior. (line 125) * --stdinit: Options Affecting Scanner Behavior. (line 129) * --stdout: Options for Specifying Filenames. (line 27) * --tables-file: Options for Specifying Filenames. (line 36) * --tables-verify: Options for Specifying Filenames. (line 41) * --trace: Debugging Options. (line 50) * --verbose: Debugging Options. (line 59) * --version: Miscellaneous Options. (line 16) * --warn: Debugging Options. (line 67) * --yyclass: Code-Level And API Options. (line 115) * --yylineno: Options Affecting Scanner Behavior. (line 138) * --yywrap: Options Affecting Scanner Behavior. (line 146) * -7: Options Affecting Scanner Behavior. (line 57) * -8: Options Affecting Scanner Behavior. (line 81) * -b: Debugging Options. (line 6) * -B: Options Affecting Scanner Behavior. (line 23) * -c: Miscellaneous Options. (line 6) * -C: Options for Scanner Speed and Size. (line 10) * -Ca: Options for Scanner Speed and Size. (line 15) * -Ce: Options for Scanner Speed and Size. (line 24) * -CF: Options for Scanner Speed and Size. (line 40) * -Cf: Options for Scanner Speed and Size. (line 35) * -Cm: Options for Scanner Speed and Size. (line 45) * -Cr: Options for Scanner Speed and Size. (line 54) * -d: Debugging Options. (line 16) * -F: Options for Scanner Speed and Size. (line 101) * -f: Options for Scanner Speed and Size. (line 96) * -h: Miscellaneous Options. (line 9) * -I: Options Affecting Scanner Behavior. (line 33) * -i: Options Affecting Scanner Behavior. (line 6) * -L: Code-Level And API Options. (line 29) * -l: Options Affecting Scanner Behavior. (line 14) * -n: Miscellaneous Options. (line 13) * -o: Options for Specifying Filenames. (line 21) * -p: Debugging Options. (line 32) * -P: Code-Level And API Options. (line 61) * -R: Code-Level And API Options. (line 38) * -s: Debugging Options. (line 44) * -T: Debugging Options. (line 50) * -t: Options for Specifying Filenames. (line 27) * -V: Miscellaneous Options. (line 16) * -v: Debugging Options. (line 59) * -w: Debugging Options. (line 56) * -X: Options Affecting Scanner Behavior. (line 105) * 7bit: Options Affecting Scanner Behavior. (line 57) * 8bit: Options Affecting Scanner Behavior. (line 81) * align: Options for Scanner Speed and Size. (line 15) * always-interactive: Options Affecting Scanner Behavior. (line 93) * ansi-definitions: Code-Level And API Options. (line 6) * ansi-prototypes: Code-Level And API Options. (line 12) * array: Code-Level And API Options. (line 54) * backup: Debugging Options. (line 6) * batch: Options Affecting Scanner Behavior. (line 23) * bison-bridge: Code-Level And API Options. (line 17) * bison-locations: Code-Level And API Options. (line 24) * c++: Code-Level And API Options. (line 50) * case-insensitive: Options Affecting Scanner Behavior. (line 6) * debug: Debugging Options. (line 16) * default: Options Affecting Scanner Behavior. (line 90) * ecs: Options for Scanner Speed and Size. (line 24) * fast: Options for Scanner Speed and Size. (line 101) * full: Options for Scanner Speed and Size. (line 96) * header-file: Options for Specifying Filenames. (line 6) * interactive: Options Affecting Scanner Behavior. (line 33) * lex-compat: Options Affecting Scanner Behavior. (line 14) * main: Code-Level And API Options. (line 101) * meta-ecs: Options for Scanner Speed and Size. (line 45) * nodefault: Debugging Options. (line 44) * noline: Code-Level And API Options. (line 29) * nounistd: Code-Level And API Options. (line 106) * nowarn: Debugging Options. (line 56) * noyyalloc: Overriding The Default Memory Management. (line 17) * outfile: Options for Specifying Filenames. (line 21) * perf-report: Debugging Options. (line 32) * pointer: Code-Level And API Options. (line 57) * posix: Options Affecting Scanner Behavior. (line 105) * prefix: Code-Level And API Options. (line 61) * read: Options for Scanner Speed and Size. (line 54) * reentrant: Code-Level And API Options. (line 38) * stack: Options Affecting Scanner Behavior. (line 125) * stdinit: Options Affecting Scanner Behavior. (line 129) * stdout: Options for Specifying Filenames. (line 27) * tables-file: Options for Specifying Filenames. (line 36) * tables-verify: Options for Specifying Filenames. (line 41) * trace: Debugging Options. (line 50) * verbose: Debugging Options. (line 59) * warn: Debugging Options. (line 67) * yyclass: Code-Level And API Options. (line 115) * yylineno: Options Affecting Scanner Behavior. (line 138) * yywrap: Options Affecting Scanner Behavior. (line 146) 07070100039f11000081a40000000000000000000000014c5ba5ed000464b1000000b500010002ffffffffffffffff0000002000000000root/usr/local/info/flex.info-1This is flex.info, produced by makeinfo version 4.8 from flex.texi. INFO-DIR-SECTION Programming START-INFO-DIR-ENTRY * flex: (flex). Fast lexical analyzer generator (lex replacement). END-INFO-DIR-ENTRY The flex manual is placed under the same licensing conditions as the rest of flex: Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The Flex Project. Copyright (C) 1990, 1997 The Regents of the University of California. All rights reserved. This code is derived from software contributed to Berkeley by Vern Paxson. The United States Government has rights in this work pursuant to contract no. DE-AC03-76SF00098 between the United States Department of Energy and the University of California. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  File: flex.info, Node: Top, Next: Copyright, Prev: (dir), Up: (dir) flex **** This manual describes `flex', a tool for generating programs that perform pattern-matching on text. The manual includes both tutorial and reference sections. This edition of `The flex Manual' documents `flex' version 2.5.35. It was last updated on 10 September 2007. This manual was written by Vern Paxson, Will Estes and John Millaway. * Menu: * Copyright:: * Reporting Bugs:: * Introduction:: * Simple Examples:: * Format:: * Patterns:: * Matching:: * Actions:: * Generated Scanner:: * Start Conditions:: * Multiple Input Buffers:: * EOF:: * Misc Macros:: * User Values:: * Yacc:: * Scanner Options:: * Performance:: * Cxx:: * Reentrant:: * Lex and Posix:: * Memory Management:: * Serialized Tables:: * Diagnostics:: * Limitations:: * Bibliography:: * FAQ:: * Appendices:: * Indices:: --- The Detailed Node Listing --- Format of the Input File * Definitions Section:: * Rules Section:: * User Code Section:: * Comments in the Input:: Scanner Options * Options for Specifying Filenames:: * Options Affecting Scanner Behavior:: * Code-Level And API Options:: * Options for Scanner Speed and Size:: * Debugging Options:: * Miscellaneous Options:: Reentrant C Scanners * Reentrant Uses:: * Reentrant Overview:: * Reentrant Example:: * Reentrant Detail:: * Reentrant Functions:: The Reentrant API in Detail * Specify Reentrant:: * Extra Reentrant Argument:: * Global Replacement:: * Init and Destroy Functions:: * Accessor Methods:: * Extra Data:: * About yyscan_t:: Memory Management * The Default Memory Management:: * Overriding The Default Memory Management:: * A Note About yytext And Memory:: Serialized Tables * Creating Serialized Tables:: * Loading and Unloading Serialized Tables:: * Tables File Format:: FAQ * When was flex born?:: * How do I expand backslash-escape sequences in C-style quoted strings?:: * Why do flex scanners call fileno if it is not ANSI compatible?:: * Does flex support recursive pattern definitions?:: * How do I skip huge chunks of input (tens of megabytes) while using flex?:: * Flex is not matching my patterns in the same order that I defined them.:: * My actions are executing out of order or sometimes not at all.:: * How can I have multiple input sources feed into the same scanner at the same time?:: * Can I build nested parsers that work with the same input file?:: * How can I match text only at the end of a file?:: * How can I make REJECT cascade across start condition boundaries?:: * Why cant I use fast or full tables with interactive mode?:: * How much faster is -F or -f than -C?:: * If I have a simple grammar cant I just parse it with flex?:: * Why doesn't yyrestart() set the start state back to INITIAL?:: * How can I match C-style comments?:: * The period isn't working the way I expected.:: * Can I get the flex manual in another format?:: * Does there exist a "faster" NDFA->DFA algorithm?:: * How does flex compile the DFA so quickly?:: * How can I use more than 8192 rules?:: * How do I abandon a file in the middle of a scan and switch to a new file?:: * How do I execute code only during initialization (only before the first scan)?:: * How do I execute code at termination?:: * Where else can I find help?:: * Can I include comments in the "rules" section of the file?:: * I get an error about undefined yywrap().:: * How can I change the matching pattern at run time?:: * How can I expand macros in the input?:: * How can I build a two-pass scanner?:: * How do I match any string not matched in the preceding rules?:: * I am trying to port code from AT&T lex that uses yysptr and yysbuf.:: * Is there a way to make flex treat NULL like a regular character?:: * Whenever flex can not match the input it says "flex scanner jammed".:: * Why doesn't flex have non-greedy operators like perl does?:: * Memory leak - 16386 bytes allocated by malloc.:: * How do I track the byte offset for lseek()?:: * How do I use my own I/O classes in a C++ scanner?:: * How do I skip as many chars as possible?:: * deleteme00:: * Are certain equivalent patterns faster than others?:: * Is backing up a big deal?:: * Can I fake multi-byte character support?:: * deleteme01:: * Can you discuss some flex internals?:: * unput() messes up yy_at_bol:: * The | operator is not doing what I want:: * Why can't flex understand this variable trailing context pattern?:: * The ^ operator isn't working:: * Trailing context is getting confused with trailing optional patterns:: * Is flex GNU or not?:: * ERASEME53:: * I need to scan if-then-else blocks and while loops:: * ERASEME55:: * ERASEME56:: * ERASEME57:: * Is there a repository for flex scanners?:: * How can I conditionally compile or preprocess my flex input file?:: * Where can I find grammars for lex and yacc?:: * I get an end-of-buffer message for each character scanned.:: * unnamed-faq-62:: * unnamed-faq-63:: * unnamed-faq-64:: * unnamed-faq-65:: * unnamed-faq-66:: * unnamed-faq-67:: * unnamed-faq-68:: * unnamed-faq-69:: * unnamed-faq-70:: * unnamed-faq-71:: * unnamed-faq-72:: * unnamed-faq-73:: * unnamed-faq-74:: * unnamed-faq-75:: * unnamed-faq-76:: * unnamed-faq-77:: * unnamed-faq-78:: * unnamed-faq-79:: * unnamed-faq-80:: * unnamed-faq-81:: * unnamed-faq-82:: * unnamed-faq-83:: * unnamed-faq-84:: * unnamed-faq-85:: * unnamed-faq-86:: * unnamed-faq-87:: * unnamed-faq-88:: * unnamed-faq-90:: * unnamed-faq-91:: * unnamed-faq-92:: * unnamed-faq-93:: * unnamed-faq-94:: * unnamed-faq-95:: * unnamed-faq-96:: * unnamed-faq-97:: * unnamed-faq-98:: * unnamed-faq-99:: * unnamed-faq-100:: * unnamed-faq-101:: * What is the difference between YYLEX_PARAM and YY_DECL?:: * Why do I get "conflicting types for yylex" error?:: * How do I access the values set in a Flex action from within a Bison action?:: Appendices * Makefiles and Flex:: * Bison Bridge:: * M4 Dependency:: * Common Patterns:: Indices * Concept Index:: * Index of Functions and Macros:: * Index of Variables:: * Index of Data Types:: * Index of Hooks:: * Index of Scanner Options::  File: flex.info, Node: Copyright, Next: Reporting Bugs, Prev: Top, Up: Top 1 Copyright *********** The flex manual is placed under the same licensing conditions as the rest of flex: Copyright (C) 2001, 2002, 2003, 2004, 2005, 2006, 2007 The Flex Project. Copyright (C) 1990, 1997 The Regents of the University of California. All rights reserved. This code is derived from software contributed to Berkeley by Vern Paxson. The United States Government has rights in this work pursuant to contract no. DE-AC03-76SF00098 between the United States Department of Energy and the University of California. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following conditions are met: 1. Redistributions of source code must retain the above copyright notice, this list of conditions and the following disclaimer. 2. Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following disclaimer in the documentation and/or other materials provided with the distribution. Neither the name of the University nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission. THIS SOFTWARE IS PROVIDED "AS IS" AND WITHOUT ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  File: flex.info, Node: Reporting Bugs, Next: Introduction, Prev: Copyright, Up: Top 2 Reporting Bugs **************** If you find a bug in `flex', please report it using the SourceForge Bug Tracking facilities which can be found on flex's SourceForge Page (http://sourceforge.net/projects/flex).  File: flex.info, Node: Introduction, Next: Simple Examples, Prev: Reporting Bugs, Up: Top 3 Introduction ************** `flex' is a tool for generating "scanners". A scanner is a program which recognizes lexical patterns in text. The `flex' program reads the given input files, or its standard input if no file names are given, for a description of a scanner to generate. The description is in the form of pairs of regular expressions and C code, called "rules". `flex' generates as output a C source file, `lex.yy.c' by default, which defines a routine `yylex()'. This file can be compiled and linked with the flex runtime library to produce an executable. When the executable is run, it analyzes its input for occurrences of the regular expressions. Whenever it finds one, it executes the corresponding C code.  File: flex.info, Node: Simple Examples, Next: Format, Prev: Introduction, Up: Top 4 Some Simple Examples ********************** First some simple examples to get the flavor of how one uses `flex'. The following `flex' input specifies a scanner which, when it encounters the string `username' will replace it with the user's login name: %% username printf( "%s", getlogin() ); By default, any text not matched by a `flex' scanner is copied to the output, so the net effect of this scanner is to copy its input file to its output with each occurrence of `username' expanded. In this input, there is just one rule. `username' is the "pattern" and the `printf' is the "action". The `%%' symbol marks the beginning of the rules. Here's another simple example: int num_lines = 0, num_chars = 0; %% \n ++num_lines; ++num_chars; . ++num_chars; %% main() { yylex(); printf( "# of lines = %d, # of chars = %d\n", num_lines, num_chars ); } This scanner counts the number of characters and the number of lines in its input. It produces no output other than the final report on the character and line counts. The first line declares two globals, `num_lines' and `num_chars', which are accessible both inside `yylex()' and in the `main()' routine declared after the second `%%'. There are two rules, one which matches a newline (`\n') and increments both the line count and the character count, and one which matches any character other than a newline (indicated by the `.' regular expression). A somewhat more complicated example: /* scanner for a toy Pascal-like language */ %{ /* need this for the call to atof() below */ #include math.h> %} DIGIT [0-9] ID [a-z][a-z0-9]* %% {DIGIT}+ { printf( "An integer: %s (%d)\n", yytext, atoi( yytext ) ); } {DIGIT}+"."{DIGIT}* { printf( "A float: %s (%g)\n", yytext, atof( yytext ) ); } if|then|begin|end|procedure|function { printf( "A keyword: %s\n", yytext ); } {ID} printf( "An identifier: %s\n", yytext ); "+"|"-"|"*"|"/" printf( "An operator: %s\n", yytext ); "{"[\^{}}\n]*"}" /* eat up one-line comments */ [ \t\n]+ /* eat up whitespace */ . printf( "Unrecognized character: %s\n", yytext ); %% main( argc, argv ) int argc; char **argv; { ++argv, --argc; /* skip over program name */ if ( argc > 0 ) yyin = fopen( argv[0], "r" ); else yyin = stdin; yylex(); } This is the beginnings of a simple scanner for a language like Pascal. It identifies different types of "tokens" and reports on what it has seen. The details of this example will be explained in the following sections.  File: flex.info, Node: Format, Next: Patterns, Prev: Simple Examples, Up: Top 5 Format of the Input File ************************** The `flex' input file consists of three sections, separated by a line containing only `%%'. definitions %% rules %% user code * Menu: * Definitions Section:: * Rules Section:: * User Code Section:: * Comments in the Input::  File: flex.info, Node: Definitions Section, Next: Rules Section, Prev: Format, Up: Format 5.1 Format of the Definitions Section ===================================== The "definitions section" contains declarations of simple "name" definitions to simplify the scanner specification, and declarations of "start conditions", which are explained in a later section. Name definitions have the form: name definition The `name' is a word beginning with a letter or an underscore (`_') followed by zero or more letters, digits, `_', or `-' (dash). The definition is taken to begin at the first non-whitespace character following the name and continuing to the end of the line. The definition can subsequently be referred to using `{name}', which will expand to `(definition)'. For example, DIGIT [0-9] ID [a-z][a-z0-9]* Defines `DIGIT' to be a regular expression which matches a single digit, and `ID' to be a regular expression which matches a letter followed by zero-or-more letters-or-digits. A subsequent reference to {DIGIT}+"."{DIGIT}* is identical to ([0-9])+"."([0-9])* and matches one-or-more digits followed by a `.' followed by zero-or-more digits. An unindented comment (i.e., a line beginning with `/*') is copied verbatim to the output up to the next `*/'. Any _indented_ text or text enclosed in `%{' and `%}' is also copied verbatim to the output (with the %{ and %} symbols removed). The %{ and %} symbols must appear unindented on lines by themselves. A `%top' block is similar to a `%{' ... `%}' block, except that the code in a `%top' block is relocated to the _top_ of the generated file, before any flex definitions (1). The `%top' block is useful when you want certain preprocessor macros to be defined or certain files to be included before the generated code. The single characters, `{' and `}' are used to delimit the `%top' block, as show in the example below: %top{ /* This code goes at the "top" of the generated file. */ #include #include } Multiple `%top' blocks are allowed, and their order is preserved. ---------- Footnotes ---------- (1) Actually, `yyIN_HEADER' is defined before the `%top' block.  File: flex.info, Node: Rules Section, Next: User Code Section, Prev: Definitions Section, Up: Format 5.2 Format of the Rules Section =============================== The "rules" section of the `flex' input contains a series of rules of the form: pattern action where the pattern must be unindented and the action must begin on the same line. *Note Patterns::, for a further description of patterns and actions. In the rules section, any indented or %{ %} enclosed text appearing before the first rule may be used to declare variables which are local to the scanning routine and (after the declarations) code which is to be executed whenever the scanning routine is entered. Other indented or %{ %} text in the rule section is still copied to the output, but its meaning is not well-defined and it may well cause compile-time errors (this feature is present for POSIX compliance. *Note Lex and Posix::, for other such features). Any _indented_ text or text enclosed in `%{' and `%}' is copied verbatim to the output (with the %{ and %} symbols removed). The %{ and %} symbols must appear unindented on lines by themselves.  File: flex.info, Node: User Code Section, Next: Comments in the Input, Prev: Rules Section, Up: Format 5.3 Format of the User Code Section =================================== The user code section is simply copied to `lex.yy.c' verbatim. It is used for companion routines which call or are called by the scanner. The presence of this section is optional; if it is missing, the second `%%' in the input file may be skipped, too.  File: flex.info, Node: Comments in the Input, Prev: User Code Section, Up: Format 5.4 Comments in the Input ========================= Flex supports C-style comments, that is, anything between `/*' and `*/' is considered a comment. Whenever flex encounters a comment, it copies the entire comment verbatim to the generated source code. Comments may appear just about anywhere, but with the following exceptions: * Comments may not appear in the Rules Section wherever flex is expecting a regular expression. This means comments may not appear at the beginning of a line, or immediately following a list of scanner states. * Comments may not appear on an `%option' line in the Definitions Section. If you want to follow a simple rule, then always begin a comment on a new line, with one or more whitespace characters before the initial `/*'). This rule will work anywhere in the input file. All the comments in the following example are valid: %{ /* code block */ %} /* Definitions Section */ %x STATE_X %% /* Rules Section */ ruleA /* after regex */ { /* code block */ } /* after code block */ /* Rules Section (indented) */ { ruleC ECHO; ruleD ECHO; %{ /* code block */ %} } %% /* User Code Section */  File: flex.info, Node: Patterns, Next: Matching, Prev: Format, Up: Top 6 Patterns ********** The patterns in the input (see *Note Rules Section::) are written using an extended set of regular expressions. These are: `x' match the character 'x' `.' any character (byte) except newline `[xyz]' a "character class"; in this case, the pattern matches either an 'x', a 'y', or a 'z' `[abj-oZ]' a "character class" with a range in it; matches an 'a', a 'b', any letter from 'j' through 'o', or a 'Z' `[^A-Z]' a "negated character class", i.e., any character but those in the class. In this case, any character EXCEPT an uppercase letter. `[^A-Z\n]' any character EXCEPT an uppercase letter or a newline `[a-z]{-}[aeiou]' the lowercase consonants `r*' zero or more r's, where r is any regular expression `r+' one or more r's `r?' zero or one r's (that is, "an optional r") `r{2,5}' anywhere from two to five r's `r{2,}' two or more r's `r{4}' exactly 4 r's `{name}' the expansion of the `name' definition (*note Format::). `"[xyz]\"foo"' the literal string: `[xyz]"foo' `\X' if X is `a', `b', `f', `n', `r', `t', or `v', then the ANSI-C interpretation of `\x'. Otherwise, a literal `X' (used to escape operators such as `*') `\0' a NUL character (ASCII code 0) `\123' the character with octal value 123 `\x2a' the character with hexadecimal value 2a `(r)' match an `r'; parentheses are used to override precedence (see below) `(?r-s:pattern)' apply option `r' and omit option `s' while interpreting pattern. Options may be zero or more of the characters `i', `s', or `x'. `i' means case-insensitive. `-i' means case-sensitive. `s' alters the meaning of the `.' syntax to match any single byte whatsoever. `-s' alters the meaning of `.' to match any byte except `\n'. `x' ignores comments and whitespace in patterns. Whitespace is ignored unless it is backslash-escaped, contained within `""'s, or appears inside a character class. The following are all valid: (?:foo) same as (foo) (?i:ab7) same as ([aA][bB]7) (?-i:ab) same as (ab) (?s:.) same as [\x00-\xFF] (?-s:.) same as [^\n] (?ix-s: a . b) same as ([Aa][^\n][bB]) (?x:a b) same as ("ab") (?x:a\ b) same as ("a b") (?x:a" "b) same as ("a b") (?x:a[ ]b) same as ("a b") (?x:a /* comment */ b c) same as (abc) `(?# comment )' omit everything within `()'. The first `)' character encountered ends the pattern. It is not possible to for the comment to contain a `)' character. The comment may span lines. `rs' the regular expression `r' followed by the regular expression `s'; called "concatenation" `r|s' either an `r' or an `s' `r/s' an `r' but only if it is followed by an `s'. The text matched by `s' is included when determining whether this rule is the longest match, but is then returned to the input before the action is executed. So the action only sees the text matched by `r'. This type of pattern is called "trailing context". (There are some combinations of `r/s' that flex cannot match correctly. *Note Limitations::, regarding dangerous trailing context.) `^r' an `r', but only at the beginning of a line (i.e., when just starting to scan, or right after a newline has been scanned). `r$' an `r', but only at the end of a line (i.e., just before a newline). Equivalent to `r/\n'. Note that `flex''s notion of "newline" is exactly whatever the C compiler used to compile `flex' interprets `\n' as; in particular, on some DOS systems you must either filter out `\r's in the input yourself, or explicitly use `r/\r\n' for `r$'. `r' an `r', but only in start condition `s' (see *Note Start Conditions:: for discussion of start conditions). `r' same, but in any of start conditions `s1', `s2', or `s3'. `<*>r' an `r' in any start condition, even an exclusive one. `<>' an end-of-file. `<>' an end-of-file when in start condition `s1' or `s2' Note that inside of a character class, all regular expression operators lose their special meaning except escape (`\') and the character class operators, `-', `]]', and, at the beginning of the class, `^'. The regular expressions listed above are grouped according to precedence, from highest precedence at the top to lowest at the bottom. Those grouped together have equal precedence (see special note on the precedence of the repeat operator, `{}', under the documentation for the `--posix' POSIX compliance option). For example, foo|bar* is the same as (foo)|(ba(r*)) since the `*' operator has higher precedence than concatenation, and concatenation higher than alternation (`|'). This pattern therefore matches _either_ the string `foo' _or_ the string `ba' followed by zero-or-more `r''s. To match `foo' or zero-or-more repetitions of the string `bar', use: foo|(bar)* And to match a sequence of zero or more repetitions of `foo' and `bar': (foo|bar)* In addition to characters and ranges of characters, character classes can also contain "character class expressions". These are expressions enclosed inside `[': and `:]' delimiters (which themselves must appear between the `[' and `]' of the character class. Other elements may occur inside the character class, too). The valid expressions are: [:alnum:] [:alpha:] [:blank:] [:cntrl:] [:digit:] [:graph:] [:lower:] [:print:] [:punct:] [:space:] [:upper:] [:xdigit:] These expressions all designate a set of characters equivalent to the corresponding standard C `isXXX' function. For example, `[:alnum:]' designates those characters for which `isalnum()' returns true - i.e., any alphabetic or numeric character. Some systems don't provide `isblank()', so flex defines `[:blank:]' as a blank or a tab. For example, the following character classes are all equivalent: [[:alnum:]] [[:alpha:][:digit:]] [[:alpha:][0-9]] [a-zA-Z0-9] A word of caution. Character classes are expanded immediately when seen in the `flex' input. This means the character classes are sensitive to the locale in which `flex' is executed, and the resulting scanner will not be sensitive to the runtime locale. This may or may not be desirable. * If your scanner is case-insensitive (the `-i' flag), then `[:upper:]' and `[:lower:]' are equivalent to `[:alpha:]'. * Character classes with ranges, such as `[a-Z]', should be used with caution in a case-insensitive scanner if the range spans upper or lowercase characters. Flex does not know if you want to fold all upper and lowercase characters together, or if you want the literal numeric range specified (with no case folding). When in doubt, flex will assume that you meant the literal numeric range, and will issue a warning. The exception to this rule is a character range such as `[a-z]' or `[S-W]' where it is obvious that you want case-folding to occur. Here are some examples with the `-i' flag enabled: Range Result Literal Range Alternate Range `[a-t]' ok `[a-tA-T]' `[A-T]' ok `[a-tA-T]' `[A-t]' ambiguous `[A-Z\[\\\]_`a-t]' `[a-tA-T]' `[_-{]' ambiguous `[_`a-z{]' `[_`a-zA-Z{]' `[@-C]' ambiguous `[@ABC]' `[@A-Z\[\\\]_`abc]' * A negated character class such as the example `[^A-Z]' above _will_ match a newline unless `\n' (or an equivalent escape sequence) is one of the characters explicitly present in the negated character class (e.g., `[^A-Z\n]'). This is unlike how many other regular expression tools treat negated character classes, but unfortunately the inconsistency is historically entrenched. Matching newlines means that a pattern like `[^"]*' can match the entire input unless there's another quote in the input. Flex allows negation of character class expressions by prepending `^' to the POSIX character class name. [:^alnum:] [:^alpha:] [:^blank:] [:^cntrl:] [:^digit:] [:^graph:] [:^lower:] [:^print:] [:^punct:] [:^space:] [:^upper:] [:^xdigit:] Flex will issue a warning if the expressions `[:^upper:]' and `[:^lower:]' appear in a case-insensitive scanner, since their meaning is unclear. The current behavior is to skip them entirely, but this may change without notice in future revisions of flex. * The `{-}' operator computes the difference of two character classes. For example, `[a-c]{-}[b-z]' represents all the characters in the class `[a-c]' that are not in the class `[b-z]' (which in this case, is just the single character `a'). The `{-}' operator is left associative, so `[abc]{-}[b]{-}[c]' is the same as `[a]'. Be careful not to accidentally create an empty set, which will never match. * The `{+}' operator computes the union of two character classes. For example, `[a-z]{+}[0-9]' is the same as `[a-z0-9]'. This operator is useful when preceded by the result of a difference operation, as in, `[[:alpha:]]{-}[[:lower:]]{+}[q]', which is equivalent to `[A-Zq]' in the "C" locale. * A rule can have at most one instance of trailing context (the `/' operator or the `$' operator). The start condition, `^', and `<>' patterns can only occur at the beginning of a pattern, and, as well as with `/' and `$', cannot be grouped inside parentheses. A `^' which does not occur at the beginning of a rule or a `$' which does not occur at the end of a rule loses its special properties and is treated as a normal character. * The following are invalid: foo/bar$ foobar Note that the first of these can be written `foo/bar\n'. * The following will result in `$' or `^' being treated as a normal character: foo|(bar$) foo|^bar If the desired meaning is a `foo' or a `bar'-followed-by-a-newline, the following could be used (the special `|' action is explained below, *note Actions::): foo | bar$ /* action goes here */ A similar trick will work for matching a `foo' or a `bar'-at-the-beginning-of-a-line.  File: flex.info, Node: Matching, Next: Actions, Prev: Patterns, Up: Top 7 How the Input Is Matched ************************** When the generated scanner is run, it analyzes its input looking for strings which match any of its patterns. If it finds more than one match, it takes the one matching the most text (for trailing context rules, this includes the length of the trailing part, even though it will then be returned to the input). If it finds two or more matches of the same length, the rule listed first in the `flex' input file is chosen. Once the match is determined, the text corresponding to the match (called the "token") is made available in the global character pointer `yytext', and its length in the global integer `yyleng'. The "action" corresponding to the matched pattern is then executed (*note Actions::), and then the remaining input is scanned for another match. If no match is found, then the "default rule" is executed: the next character in the input is considered matched and copied to the standard output. Thus, the simplest valid `flex' input is: %% which generates a scanner that simply copies its input (one character at a time) to its output. Note that `yytext' can be defined in two different ways: either as a character _pointer_ or as a character _array_. You can control which definition `flex' uses by including one of the special directives `%pointer' or `%array' in the first (definitions) section of your flex input. The default is `%pointer', unless you use the `-l' lex compatibility option, in which case `yytext' will be an array. The advantage of using `%pointer' is substantially faster scanning and no buffer overflow when matching very large tokens (unless you run out of dynamic memory). The disadvantage is that you are restricted in how your actions can modify `yytext' (*note Actions::), and calls to the `unput()' function destroys the present contents of `yytext', which can be a considerable porting headache when moving between different `lex' versions. The advantage of `%array' is that you can then modify `yytext' to your heart's content, and calls to `unput()' do not destroy `yytext' (*note Actions::). Furthermore, existing `lex' programs sometimes access `yytext' externally using declarations of the form: extern char yytext[]; This definition is erroneous when used with `%pointer', but correct for `%array'. The `%array' declaration defines `yytext' to be an array of `YYLMAX' characters, which defaults to a fairly large value. You can change the size by simply #define'ing `YYLMAX' to a different value in the first section of your `flex' input. As mentioned above, with `%pointer' yytext grows dynamically to accommodate large tokens. While this means your `%pointer' scanner can accommodate very large tokens (such as matching entire blocks of comments), bear in mind that each time the scanner must resize `yytext' it also must rescan the entire token from the beginning, so matching such tokens can prove slow. `yytext' presently does _not_ dynamically grow if a call to `unput()' results in too much text being pushed back; instead, a run-time error results. Also note that you cannot use `%array' with C++ scanner classes (*note Cxx::).  File: flex.info, Node: Actions, Next: Generated Scanner, Prev: Matching, Up: Top 8 Actions ********* Each pattern in a rule has a corresponding "action", which can be any arbitrary C statement. The pattern ends at the first non-escaped whitespace character; the remainder of the line is its action. If the action is empty, then when the pattern is matched the input token is simply discarded. For example, here is the specification for a program which deletes all occurrences of `zap me' from its input: %% "zap me" This example will copy all other characters in the input to the output since they will be matched by the default rule. Here is a program which compresses multiple blanks and tabs down to a single blank, and throws away whitespace found at the end of a line: %% [ \t]+ putchar( ' ' ); [ \t]+$ /* ignore this token */ If the action contains a `{', then the action spans till the balancing `}' is found, and the action may cross multiple lines. `flex' knows about C strings and comments and won't be fooled by braces found within them, but also allows actions to begin with `%{' and will consider the action to be all the text up to the next `%}' (regardless of ordinary braces inside the action). An action consisting solely of a vertical bar (`|') means "same as the action for the next rule". See below for an illustration. Actions can include arbitrary C code, including `return' statements to return a value to whatever routine called `yylex()'. Each time `yylex()' is called it continues processing tokens from where it last left off until it either reaches the end of the file or executes a return. Actions are free to modify `yytext' except for lengthening it (adding characters to its end-these will overwrite later characters in the input stream). This however does not apply when using `%array' (*note Matching::). In that case, `yytext' may be freely modified in any way. Actions are free to modify `yyleng' except they should not do so if the action also includes use of `yymore()' (see below). There are a number of special directives which can be included within an action: `ECHO' copies yytext to the scanner's output. `BEGIN' followed by the name of a start condition places the scanner in the corresponding start condition (see below). `REJECT' directs the scanner to proceed on to the "second best" rule which matched the input (or a prefix of the input). The rule is chosen as described above in *Note Matching::, and `yytext' and `yyleng' set up appropriately. It may either be one which matched as much text as the originally chosen rule but came later in the `flex' input file, or one which matched less text. For example, the following will both count the words in the input and call the routine `special()' whenever `frob' is seen: int word_count = 0; %% frob special(); REJECT; [^ \t\n]+ ++word_count; Without the `REJECT', any occurrences of `frob' in the input would not be counted as words, since the scanner normally executes only one action per token. Multiple uses of `REJECT' are allowed, each one finding the next best choice to the currently active rule. For example, when the following scanner scans the token `abcd', it will write `abcdabcaba' to the output: %% a | ab | abc | abcd ECHO; REJECT; .|\n /* eat up any unmatched character */ The first three rules share the fourth's action since they use the special `|' action. `REJECT' is a particularly expensive feature in terms of scanner performance; if it is used in _any_ of the scanner's actions it will slow down _all_ of the scanner's matching. Furthermore, `REJECT' cannot be used with the `-Cf' or `-CF' options (*note Scanner Options::). Note also that unlike the other special actions, `REJECT' is a _branch_. Code immediately following it in the action will _not_ be executed. `yymore()' tells the scanner that the next time it matches a rule, the corresponding token should be _appended_ onto the current value of `yytext' rather than replacing it. For example, given the input `mega-kludge' the following will write `mega-mega-kludge' to the output: %% mega- ECHO; yymore(); kludge ECHO; First `mega-' is matched and echoed to the output. Then `kludge' is matched, but the previous `mega-' is still hanging around at the beginning of `yytext' so the `ECHO' for the `kludge' rule will actually write `mega-kludge'. Two notes regarding use of `yymore()'. First, `yymore()' depends on the value of `yyleng' correctly reflecting the size of the current token, so you must not modify `yyleng' if you are using `yymore()'. Second, the presence of `yymore()' in the scanner's action entails a minor performance penalty in the scanner's matching speed. `yyless(n)' returns all but the first `n' characters of the current token back to the input stream, where they will be rescanned when the scanner looks for the next match. `yytext' and `yyleng' are adjusted appropriately (e.g., `yyleng' will now be equal to `n'). For example, on the input `foobar' the following will write out `foobarbar': %% foobar ECHO; yyless(3); [a-z]+ ECHO; An argument of 0 to `yyless()' will cause the entire current input string to be scanned again. Unless you've changed how the scanner will subsequently process its input (using `BEGIN', for example), this will result in an endless loop. Note that `yyless()' is a macro and can only be used in the flex input file, not from other source files. `unput(c)' puts the character `c' back onto the input stream. It will be the next character scanned. The following action will take the current token and cause it to be rescanned enclosed in parentheses. { int i; /* Copy yytext because unput() trashes yytext */ char *yycopy = strdup( yytext ); unput( ')' ); for ( i = yyleng - 1; i >= 0; --i ) unput( yycopy[i] ); unput( '(' ); free( yycopy ); } Note that since each `unput()' puts the given character back at the _beginning_ of the input stream, pushing back strings must be done back-to-front. An important potential problem when using `unput()' is that if you are using `%pointer' (the default), a call to `unput()' _destroys_ the contents of `yytext', starting with its rightmost character and devouring one character to the left with each call. If you need the value of `yytext' preserved after a call to `unput()' (as in the above example), you must either first copy it elsewhere, or build your scanner using `%array' instead (*note Matching::). Finally, note that you cannot put back `EOF' to attempt to mark the input stream with an end-of-file. `input()' reads the next character from the input stream. For example, the following is one way to eat up C comments: %% "/*" { register int c; for ( ; ; ) { while ( (c = input()) != '*' && c != EOF ) ; /* eat up text of comment */ if ( c == '*' ) { while ( (c = input()) == '*' ) ; if ( c == '/' ) break; /* found the end */ } if ( c == EOF ) { error( "EOF in comment" ); break; } } } (Note that if the scanner is compiled using `C++', then `input()' is instead referred to as yyinput(), in order to avoid a name clash with the `C++' stream by the name of `input'.) `YY_FLUSH_BUFFER()' flushes the scanner's internal buffer so that the next time the scanner attempts to match a token, it will first refill the buffer using `YY_INPUT()' (*note Generated Scanner::). This action is a special case of the more general `yy_flush_buffer()' function, described below (*note Multiple Input Buffers::) `yyterminate()' can be used in lieu of a return statement in an action. It terminates the scanner and returns a 0 to the scanner's caller, indicating "all done". By default, `yyterminate()' is also called when an end-of-file is encountered. It is a macro and may be redefined.  File: flex.info, Node: Generated Scanner, Next: Start Conditions, Prev: Actions, Up: Top 9 The Generated Scanner *********************** The output of `flex' is the file `lex.yy.c', which contains the scanning routine `yylex()', a number of tables used by it for matching tokens, and a number of auxiliary routines and macros. By default, `yylex()' is declared as follows: int yylex() { ... various definitions and the actions in here ... } (If your environment supports function prototypes, then it will be `int yylex( void )'.) This definition may be changed by defining the `YY_DECL' macro. For example, you could use: #define YY_DECL float lexscan( a, b ) float a, b; to give the scanning routine the name `lexscan', returning a float, and taking two floats as arguments. Note that if you give arguments to the scanning routine using a K&R-style/non-prototyped function declaration, you must terminate the definition with a semi-colon (;). `flex' generates `C99' function definitions by default. However flex does have the ability to generate obsolete, er, `traditional', function definitions. This is to support bootstrapping gcc on old systems. Unfortunately, traditional definitions prevent us from using any standard data types smaller than int (such as short, char, or bool) as function arguments. For this reason, future versions of `flex' may generate standard C99 code only, leaving K&R-style functions to the historians. Currently, if you do *not* want `C99' definitions, then you must use `%option noansi-definitions'. Whenever `yylex()' is called, it scans tokens from the global input file `yyin' (which defaults to stdin). It continues until it either reaches an end-of-file (at which point it returns the value 0) or one of its actions executes a `return' statement. If the scanner reaches an end-of-file, subsequent calls are undefined unless either `yyin' is pointed at a new input file (in which case scanning continues from that file), or `yyrestart()' is called. `yyrestart()' takes one argument, a `FILE *' pointer (which can be NULL, if you've set up `YY_INPUT' to scan from a source other than `yyin'), and initializes `yyin' for scanning from that file. Essentially there is no difference between just assigning `yyin' to a new input file or using `yyrestart()' to do so; the latter is available for compatibility with previous versions of `flex', and because it can be used to switch input files in the middle of scanning. It can also be used to throw away the current input buffer, by calling it with an argument of `yyin'; but it would be better to use `YY_FLUSH_BUFFER' (*note Actions::). Note that `yyrestart()' does _not_ reset the start condition to `INITIAL' (*note Start Conditions::). If `yylex()' stops scanning due to executing a `return' statement in one of the actions, the scanner may then be called again and it will resume scanning where it left off. By default (and for purposes of efficiency), the scanner uses block-reads rather than simple `getc()' calls to read characters from `yyin'. The nature of how it gets its input can be controlled by defining the `YY_INPUT' macro. The calling sequence for `YY_INPUT()' is `YY_INPUT(buf,result,max_size)'. Its action is to place up to `max_size' characters in the character array `buf' and return in the integer variable `result' either the number of characters read or the constant `YY_NULL' (0 on Unix systems) to indicate `EOF'. The default `YY_INPUT' reads from the global file-pointer `yyin'. Here is a sample definition of `YY_INPUT' (in the definitions section of the input file): %{ #define YY_INPUT(buf,result,max_size) \ { \ int c = getchar(); \ result = (c == EOF) ? YY_NULL : (buf[0] = c, 1); \ } %} This definition will change the input processing to occur one character at a time. When the scanner receives an end-of-file indication from YY_INPUT, it then checks the `yywrap()' function. If `yywrap()' returns false (zero), then it is assumed that the function has gone ahead and set up `yyin' to point to another input file, and scanning continues. If it returns true (non-zero), then the scanner terminates, returning 0 to its caller. Note that in either case, the start condition remains unchanged; it does _not_ revert to `INITIAL'. If you do not supply your own version of `yywrap()', then you must either use `%option noyywrap' (in which case the scanner behaves as though `yywrap()' returned 1), or you must link with `-lfl' to obtain the default version of the routine, which always returns 1. For scanning from in-memory buffers (e.g., scanning strings), see *Note Scanning Strings::. *Note Multiple Input Buffers::. The scanner writes its `ECHO' output to the `yyout' global (default, `stdout'), which may be redefined by the user simply by assigning it to some other `FILE' pointer.  File: flex.info, Node: Start Conditions, Next: Multiple Input Buffers, Prev: Generated Scanner, Up: Top 10 Start Conditions ******************* `flex' provides a mechanism for conditionally activating rules. Any rule whose pattern is prefixed with `' will only be active when the scanner is in the "start condition" named `sc'. For example, [^"]* { /* eat up the string body ... */ ... } will be active only when the scanner is in the `STRING' start condition, and \. { /* handle an escape ... */ ... } will be active only when the current start condition is either `INITIAL', `STRING', or `QUOTE'. Start conditions are declared in the definitions (first) section of the input using unindented lines beginning with either `%s' or `%x' followed by a list of names. The former declares "inclusive" start conditions, the latter "exclusive" start conditions. A start condition is activated using the `BEGIN' action. Until the next `BEGIN' action is executed, rules with the given start condition will be active and rules with other start conditions will be inactive. If the start condition is inclusive, then rules with no start conditions at all will also be active. If it is exclusive, then _only_ rules qualified with the start condition will be active. A set of rules contingent on the same exclusive start condition describe a scanner which is independent of any of the other rules in the `flex' input. Because of this, exclusive start conditions make it easy to specify "mini-scanners" which scan portions of the input that are syntactically different from the rest (e.g., comments). If the distinction between inclusive and exclusive start conditions is still a little vague, here's a simple example illustrating the connection between the two. The set of rules: %s example %% foo do_something(); bar something_else(); is equivalent to %x example %% foo do_something(); bar something_else(); Without the `' qualifier, the `bar' pattern in the second example wouldn't be active (i.e., couldn't match) when in start condition `example'. If we just used `' to qualify `bar', though, then it would only be active in `example' and not in `INITIAL', while in the first example it's active in both, because in the first example the `example' start condition is an inclusive `(%s)' start condition. Also note that the special start-condition specifier `<*>' matches every start condition. Thus, the above example could also have been written: %x example %% foo do_something(); <*>bar something_else(); The default rule (to `ECHO' any unmatched character) remains active in start conditions. It is equivalent to: <*>.|\n ECHO; `BEGIN(0)' returns to the original state where only the rules with no start conditions are active. This state can also be referred to as the start-condition `INITIAL', so `BEGIN(INITIAL)' is equivalent to `BEGIN(0)'. (The parentheses around the start condition name are not required but are considered good style.) `BEGIN' actions can also be given as indented code at the beginning of the rules section. For example, the following will cause the scanner to enter the `SPECIAL' start condition whenever `yylex()' is called and the global variable `enter_special' is true: int enter_special; %x SPECIAL %% if ( enter_special ) BEGIN(SPECIAL); blahblahblah ...more rules follow... To illustrate the uses of start conditions, here is a scanner which provides two different interpretations of a string like `123.456'. By default it will treat it as three tokens, the integer `123', a dot (`.'), and the integer `456'. But if the string is preceded earlier in the line by the string `expect-floats' it will treat it as a single token, the floating-point number `123.456': %{ #include %} %s expect %% expect-floats BEGIN(expect); [0-9]+@samp{.}[0-9]+ { printf( "found a float, = %f\n", atof( yytext ) ); } \n { /* that's the end of the line, so * we need another "expect-number" * before we'll recognize any more * numbers */ BEGIN(INITIAL); } [0-9]+ { printf( "found an integer, = %d\n", atoi( yytext ) ); } "." printf( "found a dot\n" ); Here is a scanner which recognizes (and discards) C comments while maintaining a count of the current input line. %x comment %% int line_num = 1; "/*" BEGIN(comment); [^*\n]* /* eat anything that's not a '*' */ "*"+[^*/\n]* /* eat up '*'s not followed by '/'s */ \n ++line_num; "*"+"/" BEGIN(INITIAL); This scanner goes to a bit of trouble to match as much text as possible with each rule. In general, when attempting to write a high-speed scanner try to match as much possible in each rule, as it's a big win. Note that start-conditions names are really integer values and can be stored as such. Thus, the above could be extended in the following fashion: %x comment foo %% int line_num = 1; int comment_caller; "/*" { comment_caller = INITIAL; BEGIN(comment); } ... "/*" { comment_caller = foo; BEGIN(comment); } [^*\n]* /* eat anything that's not a '*' */ "*"+[^*/\n]* /* eat up '*'s not followed by '/'s */ \n ++line_num; "*"+"/" BEGIN(comment_caller); Furthermore, you can access the current start condition using the integer-valued `YY_START' macro. For example, the above assignments to `comment_caller' could instead be written comment_caller = YY_START; Flex provides `YYSTATE' as an alias for `YY_START' (since that is what's used by AT&T `lex'). For historical reasons, start conditions do not have their own name-space within the generated scanner. The start condition names are unmodified in the generated scanner and generated header. *Note option-header::. *Note option-prefix::. Finally, here's an example of how to match C-style quoted strings using exclusive start conditions, including expanded escape sequences (but not including checking for a string that's too long): %x str %% char string_buf[MAX_STR_CONST]; char *string_buf_ptr; \" string_buf_ptr = string_buf; BEGIN(str); \" { /* saw closing quote - all done */ BEGIN(INITIAL); *string_buf_ptr = '\0'; /* return string constant token type and * value to parser */ } \n { /* error - unterminated string constant */ /* generate error message */ } \\[0-7]{1,3} { /* octal escape sequence */ int result; (void) sscanf( yytext + 1, "%o", &result ); if ( result > 0xff ) /* error, constant is out-of-bounds */ *string_buf_ptr++ = result; } \\[0-9]+ { /* generate error - bad escape sequence; something * like '\48' or '\0777777' */ } \\n *string_buf_ptr++ = '\n'; \\t *string_buf_ptr++ = '\t'; \\r *string_buf_ptr++ = '\r'; \\b *string_buf_ptr++ = '\b'; \\f *string_buf_ptr++ = '\f'; \\(.|\n) *string_buf_ptr++ = yytext[1]; [^\\\n\"]+ { char *yptr = yytext; while ( *yptr ) *string_buf_ptr++ = *yptr++; } Often, such as in some of the examples above, you wind up writing a whole bunch of rules all preceded by the same start condition(s). Flex makes this a little easier and cleaner by introducing a notion of start condition "scope". A start condition scope is begun with: { where `SCs' is a list of one or more start conditions. Inside the start condition scope, every rule automatically has the prefix `SCs>' applied to it, until a `}' which matches the initial `{'. So, for example, { "\\n" return '\n'; "\\r" return '\r'; "\\f" return '\f'; "\\0" return '\0'; } is equivalent to: "\\n" return '\n'; "\\r" return '\r'; "\\f" return '\f'; "\\0" return '\0'; Start condition scopes may be nested. The following routines are available for manipulating stacks of start conditions: -- Function: void yy_push_state ( int `new_state' ) pushes the current start condition onto the top of the start condition stack and switches to `new_state' as though you had used `BEGIN new_state' (recall that start condition names are also integers). -- Function: void yy_pop_state () pops the top of the stack and switches to it via `BEGIN'. -- Function: int yy_top_state () returns the top of the stack without altering the stack's contents. The start condition stack grows dynamically and so has no built-in size limitation. If memory is exhausted, program execution aborts. To use start condition stacks, your scanner must include a `%option stack' directive (*note Scanner Options::).  File: flex.info, Node: Multiple Input Buffers, Next: EOF, Prev: Start Conditions, Up: Top 11 Multiple Input Buffers ************************* Some scanners (such as those which support "include" files) require reading from several input streams. As `flex' scanners do a large amount of buffering, one cannot control where the next input will be read from by simply writing a `YY_INPUT()' which is sensitive to the scanning context. `YY_INPUT()' is only called when the scanner reaches the end of its buffer, which may be a long time after scanning a statement such as an `include' statement which requires switching the input source. To negotiate these sorts of problems, `flex' provides a mechanism for creating and switching between multiple input buffers. An input buffer is created by using: -- Function: YY_BUFFER_STATE yy_create_buffer ( FILE *file, int size ) which takes a `FILE' pointer and a size and creates a buffer associated with the given file and large enough to hold `size' characters (when in doubt, use `YY_BUF_SIZE' for the size). It returns a `YY_BUFFER_STATE' handle, which may then be passed to other routines (see below). The `YY_BUFFER_STATE' type is a pointer to an opaque `struct yy_buffer_state' structure, so you may safely initialize `YY_BUFFER_STATE' variables to `((YY_BUFFER_STATE) 0)' if you wish, and also refer to the opaque structure in order to correctly declare input buffers in source files other than that of your scanner. Note that the `FILE' pointer in the call to `yy_create_buffer' is only used as the value of `yyin' seen by `YY_INPUT'. If you redefine `YY_INPUT()' so it no longer uses `yyin', then you can safely pass a NULL `FILE' pointer to `yy_create_buffer'. You select a particular buffer to scan from using: -- Function: void yy_switch_to_buffer ( YY_BUFFER_STATE new_buffer ) The above function switches the scanner's input buffer so subsequent tokens will come from `new_buffer'. Note that `yy_switch_to_buffer()' may be used by `yywrap()' to set things up for continued scanning, instead of opening a new file and pointing `yyin' at it. If you are looking for a stack of input buffers, then you want to use `yypush_buffer_state()' instead of this function. Note also that switching input sources via either `yy_switch_to_buffer()' or `yywrap()' does _not_ change the start condition. -- Function: void yy_delete_buffer ( YY_BUFFER_STATE buffer ) is used to reclaim the storage associated with a buffer. (`buffer' can be NULL, in which case the routine does nothing.) You can also clear the current contents of a buffer using: -- Function: void yypush_buffer_state ( YY_BUFFER_STATE buffer ) This function pushes the new buffer state onto an internal stack. The pushed state becomes the new current state. The stack is maintained by flex and will grow as required. This function is intended to be used instead of `yy_switch_to_buffer', when you want to change states, but preserve the current state for later use. -- Function: void yypop_buffer_state ( ) This function removes the current state from the top of the stack, and deletes it by calling `yy_delete_buffer'. The next state on the stack, if any, becomes the new current state. -- Function: void yy_flush_buffer ( YY_BUFFER_STATE buffer ) This function discards the buffer's contents, so the next time the scanner attempts to match a token from the buffer, it will first fill the buffer anew using `YY_INPUT()'. -- Function: YY_BUFFER_STATE yy_new_buffer ( FILE *file, int size ) is an alias for `yy_create_buffer()', provided for compatibility with the C++ use of `new' and `delete' for creating and destroying dynamic objects. `YY_CURRENT_BUFFER' macro returns a `YY_BUFFER_STATE' handle to the current buffer. It should not be used as an lvalue. Here are two examples of using these features for writing a scanner which expands include files (the `<>' feature is discussed below). This first example uses yypush_buffer_state and yypop_buffer_state. Flex maintains the stack internally. /* the "incl" state is used for picking up the name * of an include file */ %x incl %% include BEGIN(incl); [a-z]+ ECHO; [^a-z\n]*\n? ECHO; [ \t]* /* eat the whitespace */ [^ \t\n]+ { /* got the include file name */ yyin = fopen( yytext, "r" ); if ( ! yyin ) error( ... ); yypush_buffer_state(yy_create_buffer( yyin, YY_BUF_SIZE )); BEGIN(INITIAL); } <> { yypop_buffer_state(); if ( !YY_CURRENT_BUFFER ) { yyterminate(); } } The second example, below, does the same thing as the previous example did, but manages its own input buffer stack manually (instead of letting flex do it). /* the "incl" state is used for picking up the name * of an include file */ %x incl %{ #define MAX_INCLUDE_DEPTH 10 YY_BUFFER_STATE include_stack[MAX_INCLUDE_DEPTH]; int include_stack_ptr = 0; %} %% include BEGIN(incl); [a-z]+ ECHO; [^a-z\n]*\n? ECHO; [ \t]* /* eat the whitespace */ [^ \t\n]+ { /* got the include file name */ if ( include_stack_ptr >= MAX_INCLUDE_DEPTH ) { fprintf( stderr, "Includes nested too deeply" ); exit( 1 ); } include_stack[include_stack_ptr++] = YY_CURRENT_BUFFER; yyin = fopen( yytext, "r" ); if ( ! yyin ) error( ... ); yy_switch_to_buffer( yy_create_buffer( yyin, YY_BUF_SIZE ) ); BEGIN(INITIAL); } <> { if ( --include_stack_ptr 0 ) { yyterminate(); } else { yy_delete_buffer( YY_CURRENT_BUFFER ); yy_switch_to_buffer( include_stack[include_stack_ptr] ); } } The following routines are available for setting up input buffers for scanning in-memory strings instead of files. All of them create a new input buffer for scanning the string, and return a corresponding `YY_BUFFER_STATE' handle (which you should delete with `yy_delete_buffer()' when done with it). They also switch to the new buffer using `yy_switch_to_buffer()', so the next call to `yylex()' will start scanning the string. -- Function: YY_BUFFER_STATE yy_scan_string ( const char *str ) scans a NUL-terminated string. -- Function: YY_BUFFER_STATE yy_scan_bytes ( const char *bytes, int len ) scans `len' bytes (including possibly `NUL's) starting at location `bytes'. Note that both of these functions create and scan a _copy_ of the string or bytes. (This may be desirable, since `yylex()' modifies the contents of the buffer it is scanning.) You can avoid the copy by using: -- Function: YY_BUFFER_STATE yy_scan_buffer (char *base, yy_size_t size) which scans in place the buffer starting at `base', consisting of `size' bytes, the last two bytes of which _must_ be `YY_END_OF_BUFFER_CHAR' (ASCII NUL). These last two bytes are not scanned; thus, scanning consists of `base[0]' through `base[size-2]', inclusive. If you fail to set up `base' in this manner (i.e., forget the final two `YY_END_OF_BUFFER_CHAR' bytes), then `yy_scan_buffer()' returns a NULL pointer instead of creating a new input buffer. -- Data type: yy_size_t is an integral type to which you can cast an integer expression reflecting the size of the buffer.  File: flex.info, Node: EOF, Next: Misc Macros, Prev: Multiple Input Buffers, Up: Top 12 End-of-File Rules ******************** The special rule `<>' indicates actions which are to be taken when an end-of-file is encountered and `yywrap()' returns non-zero (i.e., indicates no further files to process). The action must finish by doing one of the following things: * assigning `yyin' to a new input file (in previous versions of `flex', after doing the assignment you had to call the special action `YY_NEW_FILE'. This is no longer necessary.) * executing a `return' statement; * executing the special `yyterminate()' action. * or, switching to a new buffer using `yy_switch_to_buffer()' as shown in the example above. <> rules may not be used with other patterns; they may only be qualified with a list of start conditions. If an unqualified <> rule is given, it applies to _all_ start conditions which do not already have <> actions. To specify an <> rule for only the initial start condition, use: <> These rules are useful for catching things like unclosed comments. An example: %x quote %% ...other rules for dealing with quotes... <> { error( "unterminated quote" ); yyterminate(); } <> { if ( *++filelist ) yyin = fopen( *filelist, "r" ); else yyterminate(); }  File: flex.info, Node: Misc Macros, Next: User Values, Prev: EOF, Up: Top 13 Miscellaneous Macros *********************** The macro `YY_USER_ACTION' can be defined to provide an action which is always executed prior to the matched rule's action. For example, it could be #define'd to call a routine to convert yytext to lower-case. When `YY_USER_ACTION' is invoked, the variable `yy_act' gives the number of the matched rule (rules are numbered starting with 1). Suppose you want to profile how often each of your rules is matched. The following would do the trick: #define YY_USER_ACTION ++ctr[yy_act] where `ctr' is an array to hold the counts for the different rules. Note that the macro `YY_NUM_RULES' gives the total number of rules (including the default rule), even if you use `-s)', so a correct declaration for `ctr' is: int ctr[YY_NUM_RULES]; The macro `YY_USER_INIT' may be defined to provide an action which is always executed before the first scan (and before the scanner's internal initializations are done). For example, it could be used to call a routine to read in a data table or open a logging file. The macro `yy_set_interactive(is_interactive)' can be used to control whether the current buffer is considered "interactive". An interactive buffer is processed more slowly, but must be used when the scanner's input source is indeed interactive to avoid problems due to waiting to fill buffers (see the discussion of the `-I' flag in *Note Scanner Options::). A non-zero value in the macro invocation marks the buffer as interactive, a zero value as non-interactive. Note that use of this macro overrides `%option always-interactive' or `%option never-interactive' (*note Scanner Options::). `yy_set_interactive()' must be invoked prior to beginning to scan the buffer that is (or is not) to be considered interactive. The macro `yy_set_bol(at_bol)' can be used to control whether the current buffer's scanning context for the next token match is done as though at the beginning of a line. A non-zero macro argument makes rules anchored with `^' active, while a zero argument makes `^' rules inactive. The macro `YY_AT_BOL()' returns true if the next token scanned from the current buffer will have `^' rules active, false otherwise. In the generated scanner, the actions are all gathered in one large switch statement and separated using `YY_BREAK', which may be redefined. By default, it is simply a `break', to separate each rule's action from the following rule's. Redefining `YY_BREAK' allows, for example, C++ users to #define YY_BREAK to do nothing (while being very careful that every rule ends with a `break' or a `return'!) to avoid suffering from unreachable statement warnings where because a rule's action ends with `return', the `YY_BREAK' is inaccessible.  File: flex.info, Node: User Values, Next: Yacc, Prev: Misc Macros, Up: Top 14 Values Available To the User ******************************* This chapter summarizes the various values available to the user in the rule actions. `char *yytext' holds the text of the current token. It may be modified but not lengthened (you cannot append characters to the end). If the special directive `%array' appears in the first section of the scanner description, then `yytext' is instead declared `char yytext[YYLMAX]', where `YYLMAX' is a macro definition that you can redefine in the first section if you don't like the default value (generally 8KB). Using `%array' results in somewhat slower scanners, but the value of `yytext' becomes immune to calls to `unput()', which potentially destroy its value when `yytext' is a character pointer. The opposite of `%array' is `%pointer', which is the default. You cannot use `%array' when generating C++ scanner classes (the `-+' flag). `int yyleng' holds the length of the current token. `FILE *yyin' is the file which by default `flex' reads from. It may be redefined but doing so only makes sense before scanning begins or after an EOF has been encountered. Changing it in the midst of scanning will have unexpected results since `flex' buffers its input; use `yyrestart()' instead. Once scanning terminates because an end-of-file has been seen, you can assign `yyin' at the new input file and then call the scanner again to continue scanning. `void yyrestart( FILE *new_file )' may be called to point `yyin' at the new input file. The switch-over to the new file is immediate (any previously buffered-up input is lost). Note that calling `yyrestart()' with `yyin' as an argument thus throws away the current input buffer and continues scanning the same input file. `FILE *yyout' is the file to which `ECHO' actions are done. It can be reassigned by the user. `YY_CURRENT_BUFFER' returns a `YY_BUFFER_STATE' handle to the current buffer. `YY_START' returns an integer value corresponding to the current start condition. You can subsequently use this value with `BEGIN' to return to that start condition.  File: flex.info, Node: Yacc, Next: Scanner Options, Prev: User Values, Up: Top 15 Interfacing with Yacc ************************ One of the main uses of `flex' is as a companion to the `yacc' parser-generator. `yacc' parsers expect to call a routine named `yylex()' to find the next input token. The routine is supposed to return the type of the next token as well as putting any associated value in the global `yylval'. To use `flex' with `yacc', one specifies the `-d' option to `yacc' to instruct it to generate the file `y.tab.h' containing definitions of all the `%tokens' appearing in the `yacc' input. This file is then included in the `flex' scanner. For example, if one of the tokens is `TOK_NUMBER', part of the scanner might look like: %{ #include "y.tab.h" %} %% [0-9]+ yylval = atoi( yytext ); return TOK_NUMBER;  File: flex.info, Node: Scanner Options, Next: Performance, Prev: Yacc, Up: Top 16 Scanner Options ****************** The various `flex' options are categorized by function in the following menu. If you want to lookup a particular option by name, *Note Index of Scanner Options::. * Menu: * Options for Specifying Filenames:: * Options Affecting Scanner Behavior:: * Code-Level And API Options:: * Options for Scanner Speed and Size:: * Debugging Options:: * Miscellaneous Options:: Even though there are many scanner options, a typical scanner might only specify the following options: %option 8bit reentrant bison-bridge %option warn nodefault %option yylineno %option outfile="scanner.c" header-file="scanner.h" The first line specifies the general type of scanner we want. The second line specifies that we are being careful. The third line asks flex to track line numbers. The last line tells flex what to name the files. (The options can be specified in any order. We just divided them.) `flex' also provides a mechanism for controlling options within the scanner specification itself, rather than from the flex command-line. This is done by including `%option' directives in the first section of the scanner specification. You can specify multiple options with a single `%option' directive, and multiple directives in the first section of your flex input file. Most options are given simply as names, optionally preceded by the word `no' (with no intervening whitespace) to negate their meaning. The names are the same as their long-option equivalents (but without the leading `--' ). `flex' scans your rule actions to determine whether you use the `REJECT' or `yymore()' features. The `REJECT' and `yymore' options are available to override its decision as to whether you use the options, either by setting them (e.g., `%option reject)' to indicate the feature is indeed used, or unsetting them to indicate it actually is not used (e.g., `%option noyymore)'. A number of options are available for lint purists who want to suppress the appearance of unneeded routines in the generated scanner. Each of the following, if unset (e.g., `%option nounput'), results in the corresponding routine not appearing in the generated scanner: input, unput yy_push_state, yy_pop_state, yy_top_state yy_scan_buffer, yy_scan_bytes, yy_scan_string yyget_extra, yyset_extra, yyget_leng, yyget_text, yyget_lineno, yyset_lineno, yyget_in, yyset_in, yyget_out, yyset_out, yyget_lval, yyset_lval, yyget_lloc, yyset_lloc, yyget_debug, yyset_debug (though `yy_push_state()' and friends won't appear anyway unless you use `%option stack)'.  File: flex.info, Node: Options for Specifying Filenames, Next: Options Affecting Scanner Behavior, Prev: Scanner Options, Up: Scanner Options 16.1 Options for Specifying Filenames ===================================== `--header-file=FILE, `%option header-file="FILE"'' instructs flex to write a C header to `FILE'. This file contains function prototypes, extern variables, and types used by the scanner. Only the external API is exported by the header file. Many macros that are usable from within scanner actions are not exported to the header file. This is due to namespace problems and the goal of a clean external API. While in the header, the macro `yyIN_HEADER' is defined, where `yy' is substituted with the appropriate prefix. The `--header-file' option is not compatible with the `--c++' option, since the C++ scanner provides its own header in `yyFlexLexer.h'. `-oFILE, --outfile=FILE, `%option outfile="FILE"'' directs flex to write the scanner to the file `FILE' instead of `lex.yy.c'. If you combine `--outfile' with the `--stdout' option, then the scanner is written to `stdout' but its `#line' directives (see the `-l' option above) refer to the file `FILE'. `-t, --stdout, `%option stdout'' instructs `flex' to write the scanner it generates to standard output instead of `lex.yy.c'. `-SFILE, --skel=FILE' overrides the default skeleton file from which `flex' constructs its scanners. You'll never need this option unless you are doing `flex' maintenance or development. `--tables-file=FILE' Write serialized scanner dfa tables to FILE. The generated scanner will not contain the tables, and requires them to be loaded at runtime. *Note serialization::. `--tables-verify' This option is for flex development. We document it here in case you stumble upon it by accident or in case you suspect some inconsistency in the serialized tables. Flex will serialize the scanner dfa tables but will also generate the in-code tables as it normally does. At runtime, the scanner will verify that the serialized tables match the in-code tables, instead of loading them.  File: flex.info, Node: Options Affecting Scanner Behavior, Next: Code-Level And API Options, Prev: Options for Specifying Filenames, Up: Scanner Options 16.2 Options Affecting Scanner Behavior ======================================= `-i, --case-insensitive, `%option case-insensitive'' instructs `flex' to generate a "case-insensitive" scanner. The case of letters given in the `flex' input patterns will be ignored, and tokens in the input will be matched regardless of case. The matched text given in `yytext' will have the preserved case (i.e., it will not be folded). For tricky behavior, see *Note case and character ranges::. `-l, --lex-compat, `%option lex-compat'' turns on maximum compatibility with the original AT&T `lex' implementation. Note that this does not mean _full_ compatibility. Use of this option costs a considerable amount of performance, and it cannot be used with the `--c++', `--full', `--fast', `-Cf', or `-CF' options. For details on the compatibilities it provides, see *Note Lex and Posix::. This option also results in the name `YY_FLEX_LEX_COMPAT' being `#define''d in the generated scanner. `-B, --batch, `%option batch'' instructs `flex' to generate a "batch" scanner, the opposite of _interactive_ scanners generated by `--interactive' (see below). In general, you use `-B' when you are _certain_ that your scanner will never be used interactively, and you want to squeeze a _little_ more performance out of it. If your goal is instead to squeeze out a _lot_ more performance, you should be using the `-Cf' or `-CF' options, which turn on `--batch' automatically anyway. `-I, --interactive, `%option interactive'' instructs `flex' to generate an interactive scanner. An interactive scanner is one that only looks ahead to decide what token has been matched if it absolutely must. It turns out that always looking one extra character ahead, even if the scanner has already seen enough text to disambiguate the current token, is a bit faster than only looking ahead when necessary. But scanners that always look ahead give dreadful interactive performance; for example, when a user types a newline, it is not recognized as a newline token until they enter _another_ token, which often means typing in another whole line. `flex' scanners default to `interactive' unless you use the `-Cf' or `-CF' table-compression options (*note Performance::). That's because if you're looking for high-performance you should be using one of these options, so if you didn't, `flex' assumes you'd rather trade off a bit of run-time performance for intuitive interactive behavior. Note also that you _cannot_ use `--interactive' in conjunction with `-Cf' or `-CF'. Thus, this option is not really needed; it is on by default for all those cases in which it is allowed. You can force a scanner to _not_ be interactive by using `--batch' `-7, --7bit, `%option 7bit'' instructs `flex' to generate a 7-bit scanner, i.e., one which can only recognize 7-bit characters in its input. The advantage of using `--7bit' is that the scanner's tables can be up to half the size of those generated using the `--8bit'. The disadvantage is that such scanners often hang or crash if their input contains an 8-bit character. Note, however, that unless you generate your scanner using the `-Cf' or `-CF' table compression options, use of `--7bit' will save only a small amount of table space, and make your scanner considerably less portable. `Flex''s default behavior is to generate an 8-bit scanner unless you use the `-Cf' or `-CF', in which case `flex' defaults to generating 7-bit scanners unless your site was always configured to generate 8-bit scanners (as will often be the case with non-USA sites). You can tell whether flex generated a 7-bit or an 8-bit scanner by inspecting the flag summary in the `--verbose' output as described above. Note that if you use `-Cfe' or `-CFe' `flex' still defaults to generating an 8-bit scanner, since usually with these compression options full 8-bit tables are not much more expensive than 7-bit tables. `-8, --8bit, `%option 8bit'' instructs `flex' to generate an 8-bit scanner, i.e., one which can recognize 8-bit characters. This flag is only needed for scanners generated using `-Cf' or `-CF', as otherwise flex defaults to generating an 8-bit scanner anyway. See the discussion of `--7bit' above for `flex''s default behavior and the tradeoffs between 7-bit and 8-bit scanners. `--default, `%option default'' generate the default rule. `--always-interactive, `%option always-interactive'' instructs flex to generate a scanner which always considers its input _interactive_. Normally, on each new input file the scanner calls `isatty()' in an attempt to determine whether the scanner's input source is interactive and thus should be read a character at a time. When this option is used, however, then no such call is made. `--never-interactive, `--never-interactive'' instructs flex to generate a scanner which never considers its input interactive. This is the opposite of `always-interactive'. `-X, --posix, `%option posix'' turns on maximum compatibility with the POSIX 1003.2-1992 definition of `lex'. Since `flex' was originally designed to implement the POSIX definition of `lex' this generally involves very few changes in behavior. At the current writing the known differences between `flex' and the POSIX standard are: * In POSIX and AT&T `lex', the repeat operator, `{}', has lower precedence than concatenation (thus `ab{3}' yields `ababab'). Most POSIX utilities use an Extended Regular Expression (ERE) precedence that has the precedence of the repeat operator higher than concatenation (which causes `ab{3}' to yield `abbb'). By default, `flex' places the precedence of the repeat operator higher than concatenation which matches the ERE processing of other POSIX utilities. When either `--posix' or `-l' are specified, `flex' will use the traditional AT&T and POSIX-compliant precedence for the repeat operator where concatenation has higher precedence than the repeat operator. `--stack, `%option stack'' enables the use of start condition stacks (*note Start Conditions::). `--stdinit, `%option stdinit'' if set (i.e., %option stdinit) initializes `yyin' and `yyout' to `stdin' and `stdout', instead of the default of `NULL'. Some existing `lex' programs depend on this behavior, even though it is not compliant with ANSI C, which does not require `stdin' and `stdout' to be compile-time constant. In a reentrant scanner, however, this is not a problem since initialization is performed in `yylex_init' at runtime. `--yylineno, `%option yylineno'' directs `flex' to generate a scanner that maintains the number of the current line read from its input in the global variable `yylineno'. This option is implied by `%option lex-compat'. In a reentrant C scanner, the macro `yylineno' is accessible regardless of the value of `%option yylineno', however, its value is not modified by `flex' unless `%option yylineno' is enabled. `--yywrap, `%option yywrap'' if unset (i.e., `--noyywrap)', makes the scanner not call `yywrap()' upon an end-of-file, but simply assume that there are no more files to scan (until the user points `yyin' at a new file and calls `yylex()' again).  File: flex.info, Node: Code-Level And API Options, Next: Options for Scanner Speed and Size, Prev: Options Affecting Scanner Behavior, Up: Scanner Options 16.3 Code-Level And API Options =============================== `--ansi-definitions, `%option ansi-definitions'' instruct flex to generate ANSI C99 definitions for functions. This option is enabled by default. If `%option noansi-definitions' is specified, then the obsolete style is generated. `--ansi-prototypes, `%option ansi-prototypes'' instructs flex to generate ANSI C99 prototypes for functions. This option is enabled by default. If `noansi-prototypes' is specified, then prototypes will have empty parameter lists. `--bison-bridge, `%option bison-bridge'' instructs flex to generate a C scanner that is meant to be called by a `GNU bison' parser. The scanner has minor API changes for `bison' compatibility. In particular, the declaration of `yylex' is modified to take an additional parameter, `yylval'. *Note Bison Bridge::. `--bison-locations, `%option bison-locations'' instruct flex that `GNU bison' `%locations' are being used. This means `yylex' will be passed an additional parameter, `yylloc'. This option implies `%option bison-bridge'. *Note Bison Bridge::. `-L, --noline, `%option noline'' instructs `flex' not to generate `#line' directives. Without this option, `flex' peppers the generated scanner with `#line' directives so error messages in the actions will be correctly located with respect to either the original `flex' input file (if the errors are due to code in the input file), or `lex.yy.c' (if the errors are `flex''s fault - you should report these sorts of errors to the email address given in *Note Reporting Bugs::). `-R, --reentrant, `%option reentrant'' instructs flex to generate a reentrant C scanner. The generated scanner may safely be used in a multi-threaded environment. The API for a reentrant scanner is different than for a non-reentrant scanner *note Reentrant::). Because of the API difference between reentrant and non-reentrant `flex' scanners, non-reentrant flex code must be modified before it is suitable for use with this option. This option is not compatible with the `--c++' option. The option `--reentrant' does not affect the performance of the scanner. `-+, --c++, `%option c++'' specifies that you want flex to generate a C++ scanner class. *Note Cxx::, for details. `--array, `%option array'' specifies that you want yytext to be an array instead of a char* `--pointer, `%option pointer'' specify that `yytext' should be a `char *', not an array. This default is `char *'. `-PPREFIX, --prefix=PREFIX, `%option prefix="PREFIX"'' changes the default `yy' prefix used by `flex' for all globally-visible variable and function names to instead be `PREFIX'. For example, `--prefix=foo' changes the name of `yytext' to `footext'. It also changes the name of the default output file from `lex.yy.c' to `lex.foo.c'. Here is a partial list of the names affected: yy_create_buffer yy_delete_buffer yy_flex_debug yy_init_buffer yy_flush_buffer yy_load_buffer_state yy_switch_to_buffer yyin yyleng yylex yylineno yyout yyrestart yytext yywrap yyalloc yyrealloc yyfree (If you are using a C++ scanner, then only `yywrap' and `yyFlexLexer' are affected.) Within your scanner itself, you can still refer to the global variables and functions using either version of their name; but externally, they have the modified name. This option lets you easily link together multiple `flex' programs into the same executable. Note, though, that using this option also renames `yywrap()', so you now _must_ either provide your own (appropriately-named) version of the routine for your scanner, or use `%option noyywrap', as linking with `-lfl' no longer provides one for you by default. `--main, `%option main'' directs flex to provide a default `main()' program for the scanner, which simply calls `yylex()'. This option implies `noyywrap' (see below). `--nounistd, `%option nounistd'' suppresses inclusion of the non-ANSI header file `unistd.h'. This option is meant to target environments in which `unistd.h' does not exist. Be aware that certain options may cause flex to generate code that relies on functions normally found in `unistd.h', (e.g. `isatty()', `read()'.) If you wish to use these functions, you will have to inform your compiler where to find them. *Note option-always-interactive::. *Note option-read::. `--yyclass=NAME, `%option yyclass="NAME"'' only applies when generating a C++ scanner (the `--c++' option). It informs `flex' that you have derived `NAME' as a subclass of `yyFlexLexer', so `flex' will place your actions in the member function `foo::yylex()' instead of `yyFlexLexer::yylex()'. It also generates a `yyFlexLexer::yylex()' member function that emits a run-time error (by invoking `yyFlexLexer::LexerError())' if called. *Note Cxx::.  File: flex.info, Node: Options for Scanner Speed and Size, Next: Debugging Options, Prev: Code-Level And API Options, Up: Scanner Options 16.4 Options for Scanner Speed and Size ======================================= `-C[aefFmr]' controls the degree of table compression and, more generally, trade-offs between small scanners and fast scanners. `-C' A lone `-C' specifies that the scanner tables should be compressed but neither equivalence classes nor meta-equivalence classes should be used. `-Ca, --align, `%option align'' ("align") instructs flex to trade off larger tables in the generated scanner for faster performance because the elements of the tables are better aligned for memory access and computation. On some RISC architectures, fetching and manipulating longwords is more efficient than with smaller-sized units such as shortwords. This option can quadruple the size of the tables used by your scanner. `-Ce, --ecs, `%option ecs'' directs `flex' to construct "equivalence classes", i.e., sets of characters which have identical lexical properties (for example, if the only appearance of digits in the `flex' input is in the character class "[0-9]" then the digits '0', '1', ..., '9' will all be put in the same equivalence class). Equivalence classes usually give dramatic reductions in the final table/object file sizes (typically a factor of 2-5) and are pretty cheap performance-wise (one array look-up per character scanned). `-Cf' specifies that the "full" scanner tables should be generated - `flex' should not compress the tables by taking advantages of similar transition functions for different states. `-CF' specifies that the alternate fast scanner representation (described above under the `--fast' flag) should be used. This option cannot be used with `--c++'. `-Cm, --meta-ecs, `%option meta-ecs'' directs `flex' to construct "meta-equivalence classes", which are sets of equivalence classes (or characters, if equivalence classes are not being used) that are commonly used together. Meta-equivalence classes are often a big win when using compressed tables, but they have a moderate performance impact (one or two `if' tests and one array look-up per character scanned). `-Cr, --read, `%option read'' causes the generated scanner to _bypass_ use of the standard I/O library (`stdio') for input. Instead of calling `fread()' or `getc()', the scanner will use the `read()' system call, resulting in a performance gain which varies from system to system, but in general is probably negligible unless you are also using `-Cf' or `-CF'. Using `-Cr' can cause strange behavior if, for example, you read from `yyin' using `stdio' prior to calling the scanner (because the scanner will miss whatever text your previous reads left in the `stdio' input buffer). `-Cr' has no effect if you define `YY_INPUT()' (*note Generated Scanner::). The options `-Cf' or `-CF' and `-Cm' do not make sense together - there is no opportunity for meta-equivalence classes if the table is not being compressed. Otherwise the options may be freely mixed, and are cumulative. The default setting is `-Cem', which specifies that `flex' should generate equivalence classes and meta-equivalence classes. This setting provides the highest degree of table compression. You can trade off faster-executing scanners at the cost of larger tables with the following generally being true: slowest & smallest -Cem -Cm -Ce -C -C{f,F}e -C{f,F} -C{f,F}a fastest & largest Note that scanners with the smallest tables are usually generated and compiled the quickest, so during development you will usually want to use the default, maximal compression. `-Cfe' is often a good compromise between speed and size for production scanners. `-f, --full, `%option full'' specifies "fast scanner". No table compression is done and `stdio' is bypassed. The result is large but fast. This option is equivalent to `--Cfr' `-F, --fast, `%option fast'' specifies that the _fast_ scanner table representation should be used (and `stdio' bypassed). This representation is about as fast as the full table representation `--full', and for some sets of patterns will be considerably smaller (and for others, larger). In general, if the pattern set contains both _keywords_ and a catch-all, _identifier_ rule, such as in the set: "case" return TOK_CASE; "switch" return TOK_SWITCH; ... "default" return TOK_DEFAULT; [a-z]+ return TOK_ID; then you're better off using the full table representation. If only the _identifier_ rule is present and you then use a hash table or some such to detect the keywords, you're better off using `--fast'. This option is equivalent to `-CFr'. It cannot be used with `--c++'.  File: flex.info, Node: Debugging Options, Next: Miscellaneous Options, Prev: Options for Scanner Speed and Size, Up: Scanner Options 16.5 Debugging Options ====================== `-b, --backup, `%option backup'' Generate backing-up information to `lex.backup'. This is a list of scanner states which require backing up and the input characters on which they do so. By adding rules one can remove backing-up states. If _all_ backing-up states are eliminated and `-Cf' or `-CF' is used, the generated scanner will run faster (see the `--perf-report' flag). Only users who wish to squeeze every last cycle out of their scanners need worry about this option. (*note Performance::). `-d, --debug, `%option debug'' makes the generated scanner run in "debug" mode. Whenever a pattern is recognized and the global variable `yy_flex_debug' is non-zero (which is the default), the scanner will write to `stderr' a line of the form: -accepting rule at line 53 ("the matched text") The line number refers to the location of the rule in the file defining the scanner (i.e., the file that was fed to flex). Messages are also generated when the scanner backs up, accepts the default rule, reaches the end of its input buffer (or encounters a NUL; at this point, the two look the same as far as the scanner's concerned), or reaches an end-of-file. `-p, --perf-report, `%option perf-report'' generates a performance report to `stderr'. The report consists of comments regarding features of the `flex' input file which will cause a serious loss of performance in the resulting scanner. If you give the flag twice, you will also get comments regarding features that lead to minor performance losses. Note that the use of `REJECT', and variable trailing context (*note Limitations::) entails a substantial performance penalty; use of `yymore()', the `^' operator, and the `--interactive' flag entail minor performance penalties. `-s, --nodefault, `%option nodefault'' causes the _default rule_ (that unmatched scanner input is echoed to `stdout)' to be suppressed. If the scanner encounters input that does not match any of its rules, it aborts with an error. This option is useful for finding holes in a scanner's rule set. `-T, --trace, `%option trace'' makes `flex' run in "trace" mode. It will generate a lot of messages to `stderr' concerning the form of the input and the resultant non-deterministic and deterministic finite automata. This option is mostly for use in maintaining `flex'. `-w, --nowarn, `%option nowarn'' suppresses warning messages. `-v, --verbose, `%option verbose'' specifies that `flex' should write to `stderr' a summary of statistics regarding the scanner it generates. Most of the statistics are meaningless to the casual `flex' user, but the first line identifies the version of `flex' (same as reported by `--version'), and the next line the flags used when generating the scanner, including those that are on by default. `--warn, `%option warn'' warn about certain things. In particular, if the default rule can be matched but no default rule has been given, the flex will warn you. We recommend using this option always.  File: flex.info, Node: Miscellaneous Options, Prev: Debugging Options, Up: Scanner Options 16.6 Miscellaneous Options ========================== `-c' A do-nothing option included for POSIX compliance. `-h, -?, --help' generates a "help" summary of `flex''s options to `stdout' and then exits. `-n' Another do-nothing option included for POSIX compliance. `-V, --version' prints the version number to `stdout' and exits.  File: flex.info, Node: Performance, Next: Cxx, Prev: Scanner Options, Up: Top 17 Performance Considerations ***************************** The main design goal of `flex' is that it generate high-performance scanners. It has been optimized for dealing well with large sets of rules. Aside from the effects on scanner speed of the table compression `-C' options outlined above, there are a number of options/actions which degrade performance. These are, from most expensive to least: REJECT arbitrary trailing context pattern sets that require backing up %option yylineno %array %option interactive %option always-interactive @samp{^} beginning-of-line operator yymore() with the first two all being quite expensive and the last two being quite cheap. Note also that `unput()' is implemented as a routine call that potentially does quite a bit of work, while `yyless()' is a quite-cheap macro. So if you are just putting back some excess text you scanned, use `yyless()'. `REJECT' should be avoided at all costs when performance is important. It is a particularly expensive option. There is one case when `%option yylineno' can be expensive. That is when your patterns match long tokens that could _possibly_ contain a newline character. There is no performance penalty for rules that can not possibly match newlines, since flex does not need to check them for newlines. In general, you should avoid rules such as `[^f]+', which match very long tokens, including newlines, and may possibly match your entire file! A better approach is to separate `[^f]+' into two rules: %option yylineno %% [^f\n]+ \n+ The above scanner does not incur a performance penalty. Getting rid of backing up is messy and often may be an enormous amount of work for a complicated scanner. In principal, one begins by using the `-b' flag to generate a `lex.backup' file. For example, on the input: %% foo return TOK_KEYWORD; foobar return TOK_KEYWORD; the file looks like: State #6 is non-accepting - associated rule line numbers: 2 3 out-transitions: [ o ] jam-transitions: EOF [ \001-n p-\177 ] State #8 is non-accepting - associated rule line numbers: 3 out-transitions: [ a ] jam-transitions: EOF [ \001-` b-\177 ] State #9 is non-accepting - associated rule line numbers: 3 out-transitions: [ r ] jam-transitions: EOF [ \001-q s-\177 ] Compressed tables always back up. The first few lines tell us that there's a scanner state in which it can make a transition on an 'o' but not on any other character, and that in that state the currently scanned text does not match any rule. The state occurs when trying to match the rules found at lines 2 and 3 in the input file. If the scanner is in that state and then reads something other than an 'o', it will have to back up to find a rule which is matched. With a bit of headscratching one can see that this must be the state it's in when it has seen `fo'. When this has happened, if anything other than another `o' is seen, the scanner will have to back up to simply match the `f' (by the default rule). The comment regarding State #8 indicates there's a problem when `foob' has been scanned. Indeed, on any character other than an `a', the scanner will have to back up to accept "foo". Similarly, the comment for State #9 concerns when `fooba' has been scanned and an `r' does not follow. The final comment reminds us that there's no point going to all the trouble of removing backing up from the rules unless we're using `-Cf' or `-CF', since there's no performance gain doing so with compressed scanners. The way to remove the backing up is to add "error" rules: %% foo return TOK_KEYWORD; foobar return TOK_KEYWORD; fooba | foob | fo { /* false alarm, not really a keyword */ return TOK_ID; } Eliminating backing up among a list of keywords can also be done using a "catch-all" rule: %% foo return TOK_KEYWORD; foobar return TOK_KEYWORD; [a-z]+ return TOK_ID; This is usually the best solution when appropriate. Backing up messages tend to cascade. With a complicated set of rules it's not uncommon to get hundreds of messages. If one can decipher them, though, it often only takes a dozen or so rules to eliminate the backing up (though it's easy to make a mistake and have an error rule accidentally match a valid token. A possible future `flex' feature will be to automatically add rules to eliminate backing up). It's important to keep in mind that you gain the benefits of eliminating backing up only if you eliminate _every_ instance of backing up. Leaving just one means you gain nothing. _Variable_ trailing context (where both the leading and trailing parts do not have a fixed length) entails almost the same performance loss as `REJECT' (i.e., substantial). So when possible a rule like: %% mouse|rat/(cat|dog) run(); is better written: %% mouse/cat|dog run(); rat/cat|dog run(); or as %% mouse|rat/cat run(); mouse|rat/dog run(); Note that here the special '|' action does _not_ provide any savings, and can even make things worse (*note Limitations::). Another area where the user can increase a scanner's performance (and one that's easier to implement) arises from the fact that the longer the tokens matched, the faster the scanner will run. This is because with long tokens the processing of most input characters takes place in the (short) inner scanning loop, and does not often have to go through the additional work of setting up the scanning environment (e.g., `yytext') for the action. Recall the scanner for C comments: %x comment %% int line_num = 1; "/*" BEGIN(comment); [^*\n]* "*"+[^*/\n]* \n ++line_num; "*"+"/" BEGIN(INITIAL); This could be sped up by writing it as: %x comment %% int line_num = 1; "/*" BEGIN(comment); [^*\n]* [^*\n]*\n ++line_num; "*"+[^*/\n]* "*"+[^*/\n]*\n ++line_num; "*"+"/" BEGIN(INITIAL); Now instead of each newline requiring the processing of another action, recognizing the newlines is distributed over the other rules to keep the matched text as long as possible. Note that _adding_ rules does _not_ slow down the scanner! The speed of the scanner is independent of the number of rules or (modulo the considerations given at the beginning of this section) how complicated the rules are with regard to operators such as `*' and `|'. A final example in speeding up a scanner: suppose you want to scan through a file containing identifiers and keywords, one per line and with no other extraneous characters, and recognize all the keywords. A natural first approach is: %% asm | auto | break | ... etc ... volatile | while /* it's a keyword */ .|\n /* it's not a keyword */ To eliminate the back-tracking, introduce a catch-all rule: %% asm | auto | break | ... etc ... volatile | while /* it's a keyword */ [a-z]+ | .|\n /* it's not a keyword */ Now, if it's guaranteed that there's exactly one word per line, then we can reduce the total number of matches by a half by merging in the recognition of newlines with that of the other tokens: %% asm\n | auto\n | break\n | ... etc ... volatile\n | while\n /* it's a keyword */ [a-z]+\n | .|\n /* it's not a keyword */ One has to be careful here, as we have now reintroduced backing up into the scanner. In particular, while _we_ know that there will never be any characters in the input stream other than letters or newlines, `flex' can't figure this out, and it will plan for possibly needing to back up when it has scanned a token like `auto' and then the next character is something other than a newline or a letter. Previously it would then just match the `auto' rule and be done, but now it has no `auto' rule, only a `auto\n' rule. To eliminate the possibility of backing up, we could either duplicate all rules but without final newlines, or, since we never expect to encounter such an input and therefore don't how it's classified, we can introduce one more catch-all rule, this one which doesn't include a newline: %% asm\n | auto\n | break\n | ... etc ... volatile\n | while\n /* it's a keyword */ [a-z]+\n | [a-z]+ | .|\n /* it's not a keyword */ Compiled with `-Cf', this is about as fast as one can get a `flex' scanner to go for this particular problem. A final note: `flex' is slow when matching `NUL's, particularly when a token contains multiple `NUL's. It's best to write rules which match _short_ amounts of text if it's anticipated that the text will often include `NUL's. Another final note regarding performance: as mentioned in *Note Matching::, dynamically resizing `yytext' to accommodate huge tokens is a slow process because it presently requires that the (huge) token be rescanned from the beginning. Thus if performance is vital, you should attempt to match "large" quantities of text but not "huge" quantities, where the cutoff between the two is at about 8K characters per token.  File: flex.info, Node: Cxx, Next: Reentrant, Prev: Performance, Up: Top 18 Generating C++ Scanners ************************** *IMPORTANT*: the present form of the scanning class is _experimental_ and may change considerably between major releases. `flex' provides two different ways to generate scanners for use with C++. The first way is to simply compile a scanner generated by `flex' using a C++ compiler instead of a C compiler. You should not encounter any compilation errors (*note Reporting Bugs::). You can then use C++ code in your rule actions instead of C code. Note that the default input source for your scanner remains `yyin', and default echoing is still done to `yyout'. Both of these remain `FILE *' variables and not C++ _streams_. You can also use `flex' to generate a C++ scanner class, using the `-+' option (or, equivalently, `%option c++)', which is automatically specified if the name of the `flex' executable ends in a '+', such as `flex++'. When using this option, `flex' defaults to generating the scanner to the file `lex.yy.cc' instead of `lex.yy.c'. The generated scanner includes the header file `FlexLexer.h', which defines the interface to two C++ classes. The first class, `FlexLexer', provides an abstract base class defining the general scanner class interface. It provides the following member functions: `const char* YYText()' returns the text of the most recently matched token, the equivalent of `yytext'. `int YYLeng()' returns the length of the most recently matched token, the equivalent of `yyleng'. `int lineno() const' returns the current input line number (see `%option yylineno)', or `1' if `%option yylineno' was not used. `void set_debug( int flag )' sets the debugging flag for the scanner, equivalent to assigning to `yy_flex_debug' (*note Scanner Options::). Note that you must build the scanner using `%option debug' to include debugging information in it. `int debug() const' returns the current setting of the debugging flag. Also provided are member functions equivalent to `yy_switch_to_buffer()', `yy_create_buffer()' (though the first argument is an `istream*' object pointer and not a `FILE*)', `yy_flush_buffer()', `yy_delete_buffer()', and `yyrestart()' (again, the first argument is a `istream*' object pointer). The second class defined in `FlexLexer.h' is `yyFlexLexer', which is derived from `FlexLexer'. It defines the following additional member functions: `yyFlexLexer( istream* arg_yyin = 0, ostream* arg_yyout = 0 )' constructs a `yyFlexLexer' object using the given streams for input and output. If not specified, the streams default to `cin' and `cout', respectively. `virtual int yylex()' performs the same role is `yylex()' does for ordinary `flex' scanners: it scans the input stream, consuming tokens, until a rule's action returns a value. If you derive a subclass `S' from `yyFlexLexer' and want to access the member functions and variables of `S' inside `yylex()', then you need to use `%option yyclass="S"' to inform `flex' that you will be using that subclass instead of `yyFlexLexer'. In this case, rather than generating `yyFlexLexer::yylex()', `flex' generates `S::yylex()' (and also generates a dummy `yyFlexLexer::yylex()' that calls `yyFlexLexer::LexerError()' if called). `virtual void switch_streams(istream* new_in = 0, ostream* new_out = 0)' reassigns `yyin' to `new_in' (if non-null) and `yyout' to `new_out' (if non-null), deleting the previous input buffer if `yyin' is reassigned. `int yylex( istream* new_in, ostream* new_out = 0 )' first switches the input streams via `switch_streams( new_in, new_out )' and then returns the value of `yylex()'. In addition, `yyFlexLexer' defines the following protected virtual functions which you can redefine in derived classes to tailor the scanner: `virtual int LexerInput( char* buf, int max_size )' reads up to `max_size' characters into `buf' and returns the number of characters read. To indicate end-of-input, return 0 characters. Note that `interactive' scanners (see the `-B' and `-I' flags in *Note Scanner Options::) define the macro `YY_INTERACTIVE'. If you redefine `LexerInput()' and need to take different actions depending on whether or not the scanner might be scanning an interactive input source, you can test for the presence of this name via `#ifdef' statements. `virtual void LexerOutput( const char* buf, int size )' writes out `size' characters from the buffer `buf', which, while `NUL'-terminated, may also contain internal `NUL's if the scanner's rules can match text with `NUL's in them. `virtual void LexerError( const char* msg )' reports a fatal error message. The default version of this function writes the message to the stream `cerr' and exits. Note that a `yyFlexLexer' object contains its _entire_ scanning state. Thus you can use such objects to create reentrant scanners, but see also *Note Reentrant::. You can instantiate multiple instances of the same `yyFlexLexer' class, and you can also combine multiple C++ scanner classes together in the same program using the `-P' option discussed above. Finally, note that the `%array' feature is not available to C++ scanner classes; you must use `%pointer' (the default). Here is an example of a simple C++ scanner: // An example of using the flex C++ scanner class. %{ int mylineno = 0; %} string \"[^\n"]+\" ws [ \t]+ alpha [A-Za-z] dig [0-9] name ({alpha}|{dig}|\$)({alpha}|{dig}|[_.\-/$])* num1 [-+]?{dig}+\.?([eE][-+]?{dig}+)? num2 [-+]?{dig}*\.{dig}+([eE][-+]?{dig}+)? number {num1}|{num2} %% {ws} /* skip blanks and tabs */ "/*" { int c; while((c = yyinput()) != 0) { if(c == '\n') ++mylineno; else if(c == @samp{*}) { if((c = yyinput()) == '/') break; else unput(c); } } } {number} cout "number " YYText() '\n'; \n mylineno++; {name} cout "name " YYText() '\n'; {string} cout "string " YYText() '\n'; %% int main( int /* argc */, char** /* argv */ ) { @code{flex}Lexer* lexer = new yyFlexLexer; while(lexer->yylex() != 0) ; return 0; } If you want to create multiple (different) lexer classes, you use the `-P' flag (or the `prefix=' option) to rename each `yyFlexLexer' to some other `xxFlexLexer'. You then can include `' in your other sources once per lexer class, first renaming `yyFlexLexer' as follows: #undef yyFlexLexer #define yyFlexLexer xxFlexLexer #include #undef yyFlexLexer #define yyFlexLexer zzFlexLexer #include if, for example, you used `%option prefix="xx"' for one of your scanners and `%option prefix="zz"' for the other.  File: flex.info, Node: Reentrant, Next: Lex and Posix, Prev: Cxx, Up: Top 19 Reentrant C Scanners *********************** `flex' has the ability to generate a reentrant C scanner. This is accomplished by specifying `%option reentrant' (`-R') The generated scanner is both portable, and safe to use in one or more separate threads of control. The most common use for reentrant scanners is from within multi-threaded applications. Any thread may create and execute a reentrant `flex' scanner without the need for synchronization with other threads. * Menu: * Reentrant Uses:: * Reentrant Overview:: * Reentrant Example:: * Reentrant Detail:: * Reentrant Functions::  File: flex.info, Node: Reentrant Uses, Next: Reentrant Overview, Prev: Reentrant, Up: Reentrant 19.1 Uses for Reentrant Scanners ================================ However, there are other uses for a reentrant scanner. For example, you could scan two or more files simultaneously to implement a `diff' at the token level (i.e., instead of at the character level): /* Example of maintaining more than one active scanner. */ do { int tok1, tok2; tok1 = yylex( scanner_1 ); tok2 = yylex( scanner_2 ); if( tok1 != tok2 ) printf("Files are different."); } while ( tok1 && tok2 ); Another use for a reentrant scanner is recursion. (Note that a recursive scanner can also be created using a non-reentrant scanner and buffer states. *Note Multiple Input Buffers::.) The following crude scanner supports the `eval' command by invoking another instance of itself. /* Example of recursive invocation. */ %option reentrant %% "eval(".+")" { yyscan_t scanner; YY_BUFFER_STATE buf; yylex_init( &scanner ); yytext[yyleng-1] = ' '; buf = yy_scan_string( yytext + 5, scanner ); yylex( scanner ); yy_delete_buffer(buf,scanner); yylex_destroy( scanner ); } ... %%  File: flex.info, Node: Reentrant Overview, Next: Reentrant Example, Prev: Reentrant Uses, Up: Reentrant 19.2 An Overview of the Reentrant API ===================================== The API for reentrant scanners is different than for non-reentrant scanners. Here is a quick overview of the API: `%option reentrant' must be specified. * All functions take one additional argument: `yyscanner' * All global variables are replaced by their macro equivalents. (We tell you this because it may be important to you during debugging.) * `yylex_init' and `yylex_destroy' must be called before and after `yylex', respectively. * Accessor methods (get/set functions) provide access to common `flex' variables. * User-specific data can be stored in `yyextra'.  File: flex.info, Node: Reentrant Example, Next: Reentrant Detail, Prev: Reentrant Overview, Up: Reentrant 19.3 Reentrant Example ====================== First, an example of a reentrant scanner: /* This scanner prints "//" comments. */ %option reentrant stack noyywrap %x COMMENT %% "//" yy_push_state( COMMENT, yyscanner); .|\n \n yy_pop_state( yyscanner ); [^\n]+ fprintf( yyout, "%s\n", yytext); %% int main ( int argc, char * argv[] ) { yyscan_t scanner; yylex_init ( &scanner ); yylex ( scanner ); yylex_destroy ( scanner ); return 0; }  File: flex.info, Node: Reentrant Detail, Next: Reentrant Functions, Prev: Reentrant Example, Up: Reentrant 19.4 The Reentrant API in Detail ================================ Here are the things you need to do or know to use the reentrant C API of `flex'. * Menu: * Specify Reentrant:: * Extra Reentrant Argument:: * Global Replacement:: * Init and Destroy Functions:: * Accessor Methods:: * Extra Data:: * About yyscan_t::  File: flex.info, Node: Specify Reentrant, Next: Extra Reentrant Argument, Prev: Reentrant Detail, Up: Reentrant Detail 19.4.1 Declaring a Scanner As Reentrant --------------------------------------- %option reentrant (-reentrant) must be specified. Notice that `%option reentrant' is specified in the above example (*note Reentrant Example::. Had this option not been specified, `flex' would have happily generated a non-reentrant scanner without complaining. You may explicitly specify `%option noreentrant', if you do _not_ want a reentrant scanner, although it is not necessary. The default is to generate a non-reentrant scanner.  File: flex.info, Node: Extra Reentrant Argument, Next: Global Replacement, Prev: Specify Reentrant, Up: Reentrant Detail 19.4.2 The Extra Argument ------------------------- All functions take one additional argument: `yyscanner'. Notice that the calls to `yy_push_state' and `yy_pop_state' both have an argument, `yyscanner' , that is not present in a non-reentrant scanner. Here are the declarations of `yy_push_state' and `yy_pop_state' in the reentrant scanner: static void yy_push_state ( int new_state , yyscan_t yyscanner ) ; static void yy_pop_state ( yyscan_t yyscanner ) ; Notice that the argument `yyscanner' appears in the declaration of both functions. In fact, all `flex' functions in a reentrant scanner have this additional argument. It is always the last argument in the argument list, it is always of type `yyscan_t' (which is typedef'd to `void *') and it is always named `yyscanner'. As you may have guessed, `yyscanner' is a pointer to an opaque data structure encapsulating the current state of the scanner. For a list of function declarations, see *Note Reentrant Functions::. Note that preprocessor macros, such as `BEGIN', `ECHO', and `REJECT', do not take this additional argument.  File: flex.info, Node: Global Replacement, Next: Init and Destroy Functions, Prev: Extra Reentrant Argument, Up: Reentrant Detail 19.4.3 Global Variables Replaced By Macros ------------------------------------------ All global variables in traditional flex have been replaced by macro equivalents. Note that in the above example, `yyout' and `yytext' are not plain variables. These are macros that will expand to their equivalent lvalue. All of the familiar `flex' globals have been replaced by their macro equivalents. In particular, `yytext', `yyleng', `yylineno', `yyin', `yyout', `yyextra', `yylval', and `yylloc' are macros. You may safely use these macros in actions as if they were plain variables. We only tell you this so you don't expect to link to these variables externally. Currently, each macro expands to a member of an internal struct, e.g., #define yytext (((struct yyguts_t*)yyscanner)->yytext_r) One important thing to remember about `yytext' and friends is that `yytext' is not a global variable in a reentrant scanner, you can not access it directly from outside an action or from other functions. You must use an accessor method, e.g., `yyget_text', to accomplish this. (See below).  File: flex.info, Node: Init and Destroy Functions, Next: Accessor Methods, Prev: Global Replacement, Up: Reentrant Detail 19.4.4 Init and Destroy Functions --------------------------------- `yylex_init' and `yylex_destroy' must be called before and after `yylex', respectively. int yylex_init ( yyscan_t * ptr_yy_globals ) ; int yylex_init_extra ( YY_EXTRA_TYPE user_defined, yyscan_t * ptr_yy_globals ) ; int yylex ( yyscan_t yyscanner ) ; int yylex_destroy ( yyscan_t yyscanner ) ; The function `yylex_init' must be called before calling any other function. The argument to `yylex_init' is the address of an uninitialized pointer to be filled in by `yylex_init', overwriting any previous contents. The function `yylex_init_extra' may be used instead, taking as its first argument a variable of type `YY_EXTRA_TYPE'. See the section on yyextra, below, for more details. The value stored in `ptr_yy_globals' should thereafter be passed to `yylex' and `yylex_destroy'. Flex does not save the argument passed to `yylex_init', so it is safe to pass the address of a local pointer to `yylex_init' so long as it remains in scope for the duration of all calls to the scanner, up to and including the call to `yylex_destroy'. The function `yylex' should be familiar to you by now. The reentrant version takes one argument, which is the value returned (via an argument) by `yylex_init'. Otherwise, it behaves the same as the non-reentrant version of `yylex'. Both `yylex_init' and `yylex_init_extra' returns 0 (zero) on success, or non-zero on failure, in which case errno is set to one of the following values: * ENOMEM Memory allocation error. *Note memory-management::. * EINVAL Invalid argument. The function `yylex_destroy' should be called to free resources used by the scanner. After `yylex_destroy' is called, the contents of `yyscanner' should not be used. Of course, there is no need to destroy a scanner if you plan to reuse it. A `flex' scanner (both reentrant and non-reentrant) may be restarted by calling `yyrestart'. Below is an example of a program that creates a scanner, uses it, then destroys it when done: int main () { yyscan_t scanner; int tok; yylex_init(&scanner); while ((tok=yylex()) > 0) printf("tok=%d yytext=%s\n", tok, yyget_text(scanner)); yylex_destroy(scanner); return 0; }  File: flex.info, Node: Accessor Methods, Next: Extra Data, Prev: Init and Destroy Functions, Up: Reentrant Detail 19.4.5 Accessing Variables with Reentrant Scanners -------------------------------------------------- Accessor methods (get/set functions) provide access to common `flex' variables. Many scanners that you build will be part of a larger project. Portions of your project will need access to `flex' values, such as `yytext'. In a non-reentrant scanner, these values are global, so there is no problem accessing them. However, in a reentrant scanner, there are no global `flex' values. You can not access them directly. Instead, you must access `flex' values using accessor methods (get/set functions). Each accessor method is named `yyget_NAME' or `yyset_NAME', where `NAME' is the name of the `flex' variable you want. For example: /* Set the last character of yytext to NULL. */ void chop ( yyscan_t scanner ) { int len = yyget_leng( scanner ); yyget_text( scanner )[len - 1] = '\0'; } The above code may be called from within an action like this: %% .+\n { chop( yyscanner );} You may find that `%option header-file' is particularly useful for generating prototypes of all the accessor functions. *Note option-header::.  File: flex.info, Node: Extra Data, Next: About yyscan_t, Prev: Accessor Methods, Up: Reentrant Detail 19.4.6 Extra Data ----------------- User-specific data can be stored in `yyextra'. In a reentrant scanner, it is unwise to use global variables to communicate with or maintain state between different pieces of your program. However, you may need access to external data or invoke external functions from within the scanner actions. Likewise, you may need to pass information to your scanner (e.g., open file descriptors, or database connections). In a non-reentrant scanner, the only way to do this would be through the use of global variables. `Flex' allows you to store arbitrary, "extra" data in a scanner. This data is accessible through the accessor methods `yyget_extra' and `yyset_extra' from outside the scanner, and through the shortcut macro `yyextra' from within the scanner itself. They are defined as follows: #define YY_EXTRA_TYPE void* YY_EXTRA_TYPE yyget_extra ( yyscan_t scanner ); void yyset_extra ( YY_EXTRA_TYPE arbitrary_data , yyscan_t scanner); In addition, an extra form of `yylex_init' is provided, `yylex_init_extra'. This function is provided so that the yyextra value can be accessed from within the very first yyalloc, used to allocate the scanner itself. By default, `YY_EXTRA_TYPE' is defined as type `void *'. You may redefine this type using `%option extra-type="your_type"' in the scanner: /* An example of overriding YY_EXTRA_TYPE. */ %{ #include #include %} %option reentrant %option extra-type="struct stat *" %% __filesize__ printf( "%ld", yyextra->st_size ); __lastmod__ printf( "%ld", yyextra->st_mtime ); %% void scan_file( char* filename ) { yyscan_t scanner; struct stat buf; FILE *in; in = fopen( filename, "r" ); stat( filename, &buf ); yylex_init_extra( buf, &scanner ); yyset_in( in, scanner ); yylex( scanner ); yylex_destroy( scanner ); fclose( in ); }  File: flex.info, Node: About yyscan_t, Prev: Extra Data, Up: Reentrant Detail 19.4.7 About yyscan_t --------------------- `yyscan_t' is defined as: typedef void* yyscan_t; It is initialized by `yylex_init()' to point to an internal structure. You should never access this value directly. In particular, you should never attempt to free it (use `yylex_destroy()' instead.)  File: flex.info, Node: Reentrant Functions, Prev: Reentrant Detail, Up: Reentrant 19.5 Functions and Macros Available in Reentrant C Scanners =========================================================== The following Functions are available in a reentrant scanner: char *yyget_text ( yyscan_t scanner ); int yyget_leng ( yyscan_t scanner ); FILE *yyget_in ( yyscan_t scanner ); FILE *yyget_out ( yyscan_t scanner ); int yyget_lineno ( yyscan_t scanner ); YY_EXTRA_TYPE yyget_extra ( yyscan_t scanner ); int yyget_debug ( yyscan_t scanner ); void yyset_debug ( int flag, yyscan_t scanner ); void yyset_in ( FILE * in_str , yyscan_t scanner ); void yyset_out ( FILE * out_str , yyscan_t scanner ); void yyset_lineno ( int line_number , yyscan_t scanner ); void yyset_extra ( YY_EXTRA_TYPE user_defined , yyscan_t scanner ); There are no "set" functions for yytext and yyleng. This is intentional. The following Macro shortcuts are available in actions in a reentrant scanner: yytext yyleng yyin yyout yylineno yyextra yy_flex_debug In a reentrant C scanner, support for yylineno is always present (i.e., you may access yylineno), but the value is never modified by `flex' unless `%option yylineno' is enabled. This is to allow the user to maintain the line count independently of `flex'. The following functions and macros are made available when `%option bison-bridge' (`--bison-bridge') is specified: YYSTYPE * yyget_lval ( yyscan_t scanner ); void yyset_lval ( YYSTYPE * yylvalp , yyscan_t scanner ); yylval The following functions and macros are made available when `%option bison-locations' (`--bison-locations') is specified: YYLTYPE *yyget_lloc ( yyscan_t scanner ); void yyset_lloc ( YYLTYPE * yyllocp , yyscan_t scanner ); yylloc Support for yylval assumes that `YYSTYPE' is a valid type. Support for yylloc assumes that `YYSLYPE' is a valid type. Typically, these types are generated by `bison', and are included in section 1 of the `flex' input.  File: flex.info, Node: Lex and Posix, Next: Memory Management, Prev: Reentrant, Up: Top 20 Incompatibilities with Lex and Posix *************************************** `flex' is a rewrite of the AT&T Unix _lex_ tool (the two implementations do not share any code, though), with some extensions and incompatibilities, both of which are of concern to those who wish to write scanners acceptable to both implementations. `flex' is fully compliant with the POSIX `lex' specification, except that when using `%pointer' (the default), a call to `unput()' destroys the contents of `yytext', which is counter to the POSIX specification. In this section we discuss all of the known areas of incompatibility between `flex', AT&T `lex', and the POSIX specification. `flex''s `-l' option turns on maximum compatibility with the original AT&T `lex' implementation, at the cost of a major loss in the generated scanner's performance. We note below which incompatibilities can be overcome using the `-l' option. `flex' is fully compatible with `lex' with the following exceptions: * The undocumented `lex' scanner internal variable `yylineno' is not supported unless `-l' or `%option yylineno' is used. * `yylineno' should be maintained on a per-buffer basis, rather than a per-scanner (single global variable) basis. * `yylineno' is not part of the POSIX specification. * The `input()' routine is not redefinable, though it may be called to read characters following whatever has been matched by a rule. If `input()' encounters an end-of-file the normal `yywrap()' processing is done. A "real" end-of-file is returned by `input()' as `EOF'. * Input is instead controlled by defining the `YY_INPUT()' macro. * The `flex' restriction that `input()' cannot be redefined is in accordance with the POSIX specification, which simply does not specify any way of controlling the scanner's input other than by making an initial assignment to `yyin'. * The `unput()' routine is not redefinable. This restriction is in accordance with POSIX. * `flex' scanners are not as reentrant as `lex' scanners. In particular, if you have an interactive scanner and an interrupt handler which long-jumps out of the scanner, and the scanner is subsequently called again, you may get the following message: fatal @code{flex} scanner internal error--end of buffer missed To reenter the scanner, first use: yyrestart( yyin ); Note that this call will throw away any buffered input; usually this isn't a problem with an interactive scanner. *Note Reentrant::, for `flex''s reentrant API. * Also note that `flex' C++ scanner classes _are_ reentrant, so if using C++ is an option for you, you should use them instead. *Note Cxx::, and *Note Reentrant:: for details. * `output()' is not supported. Output from the ECHO macro is done to the file-pointer `yyout' (default `stdout)'. * `output()' is not part of the POSIX specification. * `lex' does not support exclusive start conditions (%x), though they are in the POSIX specification. * When definitions are expanded, `flex' encloses them in parentheses. With `lex', the following: NAME [A-Z][A-Z0-9]* %% foo{NAME}? printf( "Found it\n" ); %% will not match the string `foo' because when the macro is expanded the rule is equivalent to `foo[A-Z][A-Z0-9]*?' and the precedence is such that the `?' is associated with `[A-Z0-9]*'. With `flex', the rule will be expanded to `foo([A-Z][A-Z0-9]*)?' and so the string `foo' will match. * Note that if the definition begins with `^' or ends with `$' then it is _not_ expanded with parentheses, to allow these operators to appear in definitions without losing their special meanings. But the `', `/', and `<>' operators cannot be used in a `flex' definition. * Using `-l' results in the `lex' behavior of no parentheses around the definition. * The POSIX specification is that the definition be enclosed in parentheses. * Some implementations of `lex' allow a rule's action to begin on a separate line, if the rule's pattern has trailing whitespace: %% foo|bar { foobar_action();} `flex' does not support this feature. * The `lex' `%r' (generate a Ratfor scanner) option is not supported. It is not part of the POSIX specification. * After a call to `unput()', _yytext_ is undefined until the next token is matched, unless the scanner was built using `%array'. This is not the case with `lex' or the POSIX specification. The `-l' option does away with this incompatibility. * The precedence of the `{,}' (numeric range) operator is different. The AT&T and POSIX specifications of `lex' interpret `abc{1,3}' as match one, two, or three occurrences of `abc'", whereas `flex' interprets it as "match `ab' followed by one, two, or three occurrences of `c'". The `-l' and `--posix' options do away with this incompatibility. * The precedence of the `^' operator is different. `lex' interprets `^foo|bar' as "match either 'foo' at the beginning of a line, or 'bar' anywhere", whereas `flex' interprets it as "match either `foo' or `bar' if they come at the beginning of a line". The latter is in agreement with the POSIX specification. * The special table-size declarations such as `%a' supported by `lex' are not required by `flex' scanners.. `flex' ignores them. * The name `FLEX_SCANNER' is `#define''d so scanners may be written for use with either `flex' or `lex'. Scanners also include `YY_FLEX_MAJOR_VERSION', `YY_FLEX_MINOR_VERSION' and `YY_FLEX_SUBMINOR_VERSION' indicating which version of `flex' generated the scanner. For example, for the 2.5.22 release, these defines would be 2, 5 and 22 respectively. If the version of `flex' being used is a beta version, then the symbol `FLEX_BETA' is defined. * The symbols `[[' and `]]' in the code sections of the input may conflict with the m4 delimiters. *Note M4 Dependency::. The following `flex' features are not included in `lex' or the POSIX specification: * C++ scanners * %option * start condition scopes * start condition stacks * interactive/non-interactive scanners * yy_scan_string() and friends * yyterminate() * yy_set_interactive() * yy_set_bol() * YY_AT_BOL() <> * <*> * YY_DECL * YY_START * YY_USER_ACTION * YY_USER_INIT * #line directives * %{}'s around actions * reentrant C API * multiple actions on a line * almost all of the `flex' command-line options The feature "multiple actions on a line" refers to the fact that with `flex' you can put multiple actions on the same line, separated with semi-colons, while with `lex', the following: foo handle_foo(); ++num_foos_seen; is (rather surprisingly) truncated to foo handle_foo(); `flex' does not truncate the action. Actions that are not enclosed in braces are simply terminated at the end of the line.  File: flex.info, Node: Memory Management, Next: Serialized Tables, Prev: Lex and Posix, Up: Top 21 Memory Management ******************** This chapter describes how flex handles dynamic memory, and how you can override the default behavior. * Menu: * The Default Memory Management:: * Overriding The Default Memory Management:: * A Note About yytext And Memory::  File: flex.info, Node: The Default Memory Management, Next: Overriding The Default Memory Management, Prev: Memory Management, Up: Memory Management 21.1 The Default Memory Management ================================== Flex allocates dynamic memory during initialization, and once in a while from within a call to yylex(). Initialization takes place during the first call to yylex(). Thereafter, flex may reallocate more memory if it needs to enlarge a buffer. As of version 2.5.9 Flex will clean up all memory when you call `yylex_destroy' *Note faq-memory-leak::. Flex allocates dynamic memory for four purposes, listed below (1) 16kB for the input buffer. Flex allocates memory for the character buffer used to perform pattern matching. Flex must read ahead from the input stream and store it in a large character buffer. This buffer is typically the largest chunk of dynamic memory flex consumes. This buffer will grow if necessary, doubling the size each time. Flex frees this memory when you call yylex_destroy(). The default size of this buffer (16384 bytes) is almost always too large. The ideal size for this buffer is the length of the longest token expected, in bytes, plus a little more. Flex will allocate a few extra bytes for housekeeping. Currently, to override the size of the input buffer you must `#define YY_BUF_SIZE' to whatever number of bytes you want. We don't plan to change this in the near future, but we reserve the right to do so if we ever add a more robust memory management API. 64kb for the REJECT state. This will only be allocated if you use REJECT. The size is the large enough to hold the same number of states as characters in the input buffer. If you override the size of the input buffer (via `YY_BUF_SIZE'), then you automatically override the size of this buffer as well. 100 bytes for the start condition stack. Flex allocates memory for the start condition stack. This is the stack used for pushing start states, i.e., with yy_push_state(). It will grow if necessary. Since the states are simply integers, this stack doesn't consume much memory. This stack is not present if `%option stack' is not specified. You will rarely need to tune this buffer. The ideal size for this stack is the maximum depth expected. The memory for this stack is automatically destroyed when you call yylex_destroy(). *Note option-stack::. 40 bytes for each YY_BUFFER_STATE. Flex allocates memory for each YY_BUFFER_STATE. The buffer state itself is about 40 bytes, plus an additional large character buffer (described above.) The initial buffer state is created during initialization, and with each call to yy_create_buffer(). You can't tune the size of this, but you can tune the character buffer as described above. Any buffer state that you explicitly create by calling yy_create_buffer() is _NOT_ destroyed automatically. You must call yy_delete_buffer() to free the memory. The exception to this rule is that flex will delete the current buffer automatically when you call yylex_destroy(). If you delete the current buffer, be sure to set it to NULL. That way, flex will not try to delete the buffer a second time (possibly crashing your program!) At the time of this writing, flex does not provide a growable stack for the buffer states. You have to manage that yourself. *Note Multiple Input Buffers::. 84 bytes for the reentrant scanner guts Flex allocates about 84 bytes for the reentrant scanner structure when you call yylex_init(). It is destroyed when the user calls yylex_destroy(). ---------- Footnotes ---------- (1) The quantities given here are approximate, and may vary due to host architecture, compiler configuration, or due to future enhancements to flex.  File: flex.info, Node: Overriding The Default Memory Management, Next: A Note About yytext And Memory, Prev: The Default Memory Management, Up: Memory Management 21.2 Overriding The Default Memory Management ============================================= Flex calls the functions `yyalloc', `yyrealloc', and `yyfree' when it needs to allocate or free memory. By default, these functions are wrappers around the standard C functions, `malloc', `realloc', and `free', respectively. You can override the default implementations by telling flex that you will provide your own implementations. To override the default implementations, you must do two things: 1. Suppress the default implementations by specifying one or more of the following options: * `%option noyyalloc' * `%option noyyrealloc' * `%option noyyfree'. 2. Provide your own implementation of the following functions: (1) // For a non-reentrant scanner void * yyalloc (size_t bytes); void * yyrealloc (void * ptr, size_t bytes); void yyfree (void * ptr); // For a reentrant scanner void * yyalloc (size_t bytes, void * yyscanner); void * yyrealloc (void * ptr, size_t bytes, void * yyscanner); void yyfree (void * ptr, void * yyscanner); In the following example, we will override all three memory routines. We assume that there is a custom allocator with garbage collection. In order to make this example interesting, we will use a reentrant scanner, passing a pointer to the custom allocator through `yyextra'. %{ #include "some_allocator.h" %} /* Suppress the default implementations. */ %option noyyalloc noyyrealloc noyyfree %option reentrant /* Initialize the allocator. */ #define YY_EXTRA_TYPE struct allocator* #define YY_USER_INIT yyextra = allocator_create(); %% .|\n ; %% /* Provide our own implementations. */ void * yyalloc (size_t bytes, void* yyscanner) { return allocator_alloc (yyextra, bytes); } void * yyrealloc (void * ptr, size_t bytes, void* yyscanner) { return allocator_realloc (yyextra, bytes); } void yyfree (void * ptr, void * yyscanner) { /* Do nothing -- we leave it to the garbage collector. */ } ---------- Footnotes ---------- (1) It is not necessary to override all (or any) of the memory management routines. You may, for example, override `yyrealloc', but not `yyfree' or `yyalloc'.  File: flex.info, Node: A Note About yytext And Memory, Prev: Overriding The Default Memory Management, Up: Memory Management 21.3 A Note About yytext And Memory =================================== When flex finds a match, `yytext' points to the first character of the match in the input buffer. The string itself is part of the input buffer, and is _NOT_ allocated separately. The value of yytext will be overwritten the next time yylex() is called. In short, the value of yytext is only valid from within the matched rule's action. Often, you want the value of yytext to persist for later processing, i.e., by a parser with non-zero lookahead. In order to preserve yytext, you will have to copy it with strdup() or a similar function. But this introduces some headache because your parser is now responsible for freeing the copy of yytext. If you use a yacc or bison parser, (commonly used with flex), you will discover that the error recovery mechanisms can cause memory to be leaked. To prevent memory leaks from strdup'd yytext, you will have to track the memory somehow. Our experience has shown that a garbage collection mechanism or a pooled memory mechanism will save you a lot of grief when writing parsers.  File: flex.info, Node: Serialized Tables, Next: Diagnostics, Prev: Memory Management, Up: Top 22 Serialized Tables ******************** A `flex' scanner has the ability to save the DFA tables to a file, and load them at runtime when needed. The motivation for this feature is to reduce the runtime memory footprint. Traditionally, these tables have been compiled into the scanner as C arrays, and are sometimes quite large. Since the tables are compiled into the scanner, the memory used by the tables can never be freed. This is a waste of memory, especially if an application uses several scanners, but none of them at the same time. The serialization feature allows the tables to be loaded at runtime, before scanning begins. The tables may be discarded when scanning is finished. * Menu: * Creating Serialized Tables:: * Loading and Unloading Serialized Tables:: * Tables File Format::  File: flex.info, Node: Creating Serialized Tables, Next: Loading and Unloading Serialized Tables, Prev: Serialized Tables, Up: Serialized Tables 22.1 Creating Serialized Tables =============================== You may create a scanner with serialized tables by specifying: %option tables-file=FILE or --tables-file=FILE These options instruct flex to save the DFA tables to the file FILE. The tables will _not_ be embedded in the generated scanner. The scanner will not function on its own. The scanner will be dependent upon the serialized tables. You must load the tables from this file at runtime before you can scan anything. If you do not specify a filename to `--tables-file', the tables will be saved to `lex.yy.tables', where `yy' is the appropriate prefix. If your project uses several different scanners, you can concatenate the serialized tables into one file, and flex will find the correct set of tables, using the scanner prefix as part of the lookup key. An example follows: $ flex --tables-file --prefix=cpp cpp.l $ flex --tables-file --prefix=c c.l $ cat lex.cpp.tables lex.c.tables > all.tables The above example created two scanners, `cpp', and `c'. Since we did not specify a filename, the tables were serialized to `lex.c.tables' and `lex.cpp.tables', respectively. Then, we concatenated the two files together into `all.tables', which we will distribute with our project. At runtime, we will open the file and tell flex to load the tables from it. Flex will find the correct tables automatically. (See next section).  File: flex.info, Node: Loading and Unloading Serialized Tables, Next: Tables File Format, Prev: Creating Serialized Tables, Up: Serialized Tables 22.2 Loading and Unloading Serialized Tables ============================================ If you've built your scanner with `%option tables-file', then you must load the scanner tables at runtime. This can be accomplished with the following function: -- Function: int yytables_fload (FILE* FP [, yyscan_t SCANNER]) Locates scanner tables in the stream pointed to by FP and loads them. Memory for the tables is allocated via `yyalloc'. You must call this function before the first call to `yylex'. The argument SCANNER only appears in the reentrant scanner. This function returns `0' (zero) on success, or non-zero on error. The loaded tables are *not* automatically destroyed (unloaded) when you call `yylex_destroy'. The reason is that you may create several scanners of the same type (in a reentrant scanner), each of which needs access to these tables. To avoid a nasty memory leak, you must call the following function: -- Function: int yytables_destroy ([yyscan_t SCANNER]) Unloads the scanner tables. The tables must be loaded again before you can scan any more data. The argument SCANNER only appears in the reentrant scanner. This function returns `0' (zero) on success, or non-zero on error. *The functions `yytables_fload' and `yytables_destroy' are not thread-safe.* You must ensure that these functions are called exactly once (for each scanner type) in a threaded program, before any thread calls `yylex'. After the tables are loaded, they are never written to, and no thread protection is required thereafter - until you destroy them.  File: flex.info, Node: Tables File Format, Prev: Loading and Unloading Serialized Tables, Up: Serialized Tables 22.3 Tables File Format ======================= This section defines the file format of serialized `flex' tables. The tables format allows for one or more sets of tables to be specified, where each set corresponds to a given scanner. Scanners are indexed by name, as described below. The file format is as follows: TABLE SET 1 +-------------------------------+ Header | uint32 th_magic; | | uint32 th_hsize; | | uint32 th_ssize; | | uint16 th_flags; | | char th_version[]; | | char th_name[]; | | uint8 th_pad64[]; | +-------------------------------+ Table 1 | uint16 td_id; | | uint16 td_flags; | | uint32 td_lolen; | | uint32 td_hilen; | | void td_data[]; | | uint8 td_pad64[]; | +-------------------------------+ Table 2 | | . . . . . . . . . . . . Table n | | +-------------------------------+ TABLE SET 2 . . . TABLE SET N The above diagram shows that a complete set of tables consists of a header followed by multiple individual tables. Furthermore, multiple complete sets may be present in the same file, each set with its own header and tables. The sets are contiguous in the file. The only way to know if another set follows is to check the next four bytes for the magic number (or check for EOF). The header and tables sections are padded to 64-bit boundaries. Below we describe each field in detail. This format does not specify how the scanner will expand the given data, i.e., data may be serialized as int8, but expanded to an int32 array at runtime. This is to reduce the size of the serialized data where possible. Remember, _all integer values are in network byte order_. Fields of a table header: `th_magic' Magic number, always 0xF13C57B1. `th_hsize' Size of this entire header, in bytes, including all fields plus any padding. `th_ssize' Size of this entire set, in bytes, including the header, all tables, plus any padding. `th_flags' Bit flags for this table set. Currently unused. `th_version[]' Flex version in NULL-terminated string format. e.g., `2.5.13a'. This is the version of flex that was used to create the serialized tables. `th_name[]' Contains the name of this table set. The default is `yytables', and is prefixed accordingly, e.g., `footables'. Must be NULL-terminated. `th_pad64[]' Zero or more NULL bytes, padding the entire header to the next 64-bit boundary as calculated from the beginning of the header. Fields of a table: `td_id' Specifies the table identifier. Possible values are: `YYTD_ID_ACCEPT (0x01)' `yy_accept' `YYTD_ID_BASE (0x02)' `yy_base' `YYTD_ID_CHK (0x03)' `yy_chk' `YYTD_ID_DEF (0x04)' `yy_def' `YYTD_ID_EC (0x05)' `yy_ec ' `YYTD_ID_META (0x06)' `yy_meta' `YYTD_ID_NUL_TRANS (0x07)' `yy_NUL_trans' `YYTD_ID_NXT (0x08)' `yy_nxt'. This array may be two dimensional. See the `td_hilen' field below. `YYTD_ID_RULE_CAN_MATCH_EOL (0x09)' `yy_rule_can_match_eol' `YYTD_ID_START_STATE_LIST (0x0A)' `yy_start_state_list'. This array is handled specially because it is an array of pointers to structs. See the `td_flags' field below. `YYTD_ID_TRANSITION (0x0B)' `yy_transition'. This array is handled specially because it is an array of structs. See the `td_lolen' field below. `YYTD_ID_ACCLIST (0x0C)' `yy_acclist' `td_flags' Bit flags describing how to interpret the data in `td_data'. The data arrays are one-dimensional by default, but may be two dimensional as specified in the `td_hilen' field. `YYTD_DATA8 (0x01)' The data is serialized as an array of type int8. `YYTD_DATA16 (0x02)' The data is serialized as an array of type int16. `YYTD_DATA32 (0x04)' The data is serialized as an array of type int32. `YYTD_PTRANS (0x08)' The data is a list of indexes of entries in the expanded `yy_transition' array. Each index should be expanded to a pointer to the corresponding entry in the `yy_transition' array. We count on the fact that the `yy_transition' array has already been seen. `YYTD_STRUCT (0x10)' The data is a list of yy_trans_info structs, each of which consists of two integers. There is no padding between struct elements or between structs. The type of each member is determined by the `YYTD_DATA*' bits. `td_lolen' Specifies the number of elements in the lowest dimension array. If this is a one-dimensional array, then it is simply the number of elements in this array. The element size is determined by the `td_flags' field. `td_hilen' If `td_hilen' is non-zero, then the data is a two-dimensional array. Otherwise, the data is a one-dimensional array. `td_hilen' contains the number of elements in the higher dimensional array, and `td_lolen' contains the number of elements in the lowest dimension. Conceptually, `td_data' is either `sometype td_data[td_lolen]', or `sometype td_data[td_hilen][td_lolen]', where `sometype' is specified by the `td_flags' field. It is possible for both `td_lolen' and `td_hilen' to be zero, in which case `td_data' is a zero length array, and no data is loaded, i.e., this table is simply skipped. Flex does not currently generate tables of zero length. `td_data[]' The table data. This array may be a one- or two-dimensional array, of type `int8', `int16', `int32', `struct yy_trans_info', or `struct yy_trans_info*', depending upon the values in the `td_flags', `td_lolen', and `td_hilen' fields. `td_pad64[]' Zero or more NULL bytes, padding the entire table to the next 64-bit boundary as calculated from the beginning of this table.  File: flex.info, Node: Diagnostics, Next: Limitations, Prev: Serialized Tables, Up: Top 23 Diagnostics ************** The following is a list of `flex' diagnostic messages: * `warning, rule cannot be matched' indicates that the given rule cannot be matched because it follows other rules that will always match the same text as it. For example, in the following `foo' cannot be matched because it comes after an identifier "catch-all" rule: [a-z]+ got_identifier(); foo got_foo(); Using `REJECT' in a scanner suppresses this warning. * `warning, -s option given but default rule can be matched' means that it is possible (perhaps only in a particular start condition) that the default rule (match any single character) is the only one that will match a particular input. Since `-s' was given, presumably this is not intended. * `reject_used_but_not_detected undefined' or `yymore_used_but_not_detected undefined'. These errors can occur at compile time. They indicate that the scanner uses `REJECT' or `yymore()' but that `flex' failed to notice the fact, meaning that `flex' scanned the first two sections looking for occurrences of these actions and failed to find any, but somehow you snuck some in (via a #include file, for example). Use `%option reject' or `%option yymore' to indicate to `flex' that you really do use these features. * `flex scanner jammed'. a scanner compiled with `-s' has encountered an input string which wasn't matched by any of its rules. This error can also occur due to internal problems. * `token too large, exceeds YYLMAX'. your scanner uses `%array' and one of its rules matched a string longer than the `YYLMAX' constant (8K bytes by default). You can increase the value by #define'ing `YYLMAX' in the definitions section of your `flex' input. * `scanner requires -8 flag to use the character 'x''. Your scanner specification includes recognizing the 8-bit character `'x'' and you did not specify the -8 flag, and your scanner defaulted to 7-bit because you used the `-Cf' or `-CF' table compression options. See the discussion of the `-7' flag, *Note Scanner Options::, for details. * `flex scanner push-back overflow'. you used `unput()' to push back so much text that the scanner's buffer could not hold both the pushed-back text and the current token in `yytext'. Ideally the scanner should dynamically resize the buffer in this case, but at present it does not. * `input buffer overflow, can't enlarge buffer because scanner uses REJECT'. the scanner was working on matching an extremely large token and needed to expand the input buffer. This doesn't work with scanners that use `REJECT'. * `fatal flex scanner internal error--end of buffer missed'. This can occur in a scanner which is reentered after a long-jump has jumped out (or over) the scanner's activation frame. Before reentering the scanner, use: yyrestart( yyin ); or, as noted above, switch to using the C++ scanner class. * `too many start conditions in <> construct!' you listed more start conditions in a <> construct than exist (so you must have listed at least one of them twice).  File: flex.info, Node: Limitations, Next: Bibliography, Prev: Diagnostics, Up: Top 24 Limitations ************** Some trailing context patterns cannot be properly matched and generate warning messages (`dangerous trailing context'). These are patterns where the ending of the first part of the rule matches the beginning of the second part, such as `zx*/xy*', where the 'x*' matches the 'x' at the beginning of the trailing context. (Note that the POSIX draft states that the text matched by such patterns is undefined.) For some trailing context rules, parts which are actually fixed-length are not recognized as such, leading to the abovementioned performance loss. In particular, parts using `|' or `{n}' (such as `foo{3}') are always considered variable-length. Combining trailing context with the special `|' action can result in _fixed_ trailing context being turned into the more expensive _variable_ trailing context. For example, in the following: %% abc | xyz/def Use of `unput()' invalidates yytext and yyleng, unless the `%array' directive or the `-l' option has been used. Pattern-matching of `NUL's is substantially slower than matching other characters. Dynamic resizing of the input buffer is slow, as it entails rescanning all the text matched so far by the current (generally huge) token. Due to both buffering of input and read-ahead, you cannot intermix calls to `' routines, such as, getchar(), with `flex' rules and expect it to work. Call `input()' instead. The total table entries listed by the `-v' flag excludes the number of table entries needed to determine what rule has been matched. The number of entries is equal to the number of DFA states if the scanner does not use `REJECT', and somewhat greater than the number of states if it does. `REJECT' cannot be used with the `-f' or `-F' options. The `flex' internal algorithms need documentation.  File: flex.info, Node: Bibliography, Next: FAQ, Prev: Limitations, Up: Top 25 Additional Reading ********************* You may wish to read more about the following programs: * lex * yacc * sed * awk The following books may contain material of interest: John Levine, Tony Mason, and Doug Brown, _Lex & Yacc_, O'Reilly and Associates. Be sure to get the 2nd edition. M. E. Lesk and E. Schmidt, _LEX - Lexical Analyzer Generator_ Alfred Aho, Ravi Sethi and Jeffrey Ullman, _Compilers: Principles, Techniques and Tools_, Addison-Wesley (1986). Describes the pattern-matching techniques used by `flex' (deterministic finite automata).  File: flex.info, Node: FAQ, Next: Appendices, Prev: Bibliography, Up: Top FAQ *** From time to time, the `flex' maintainer receives certain questions. Rather than repeat answers to well-understood problems, we publish them here. * Menu: * When was flex born?:: * How do I expand backslash-escape sequences in C-style quoted strings?:: * Why do flex scanners call fileno if it is not ANSI compatible?:: * Does flex support recursive pattern definitions?:: * How do I skip huge chunks of input (tens of megabytes) while using flex?:: * Flex is not matching my patterns in the same order that I defined them.:: * My actions are executing out of order or sometimes not at all.:: * How can I have multiple input sources feed into the same scanner at the same time?:: * Can I build nested parsers that work with the same input file?:: * How can I match text only at the end of a file?:: * How can I make REJECT cascade across start condition boundaries?:: * Why cant I use fast or full tables with interactive mode?:: * How much faster is -F or -f than -C?:: * If I have a simple grammar cant I just parse it with flex?:: * Why doesn't yyrestart() set the start state back to INITIAL?:: * How can I match C-style comments?:: * The period isn't working the way I expected.:: * Can I get the flex manual in another format?:: * Does there exist a "faster" NDFA->DFA algorithm?:: * How does flex compile the DFA so quickly?:: * How can I use more than 8192 rules?:: * How do I abandon a file in the middle of a scan and switch to a new file?:: * How do I execute code only during initialization (only before the first scan)?:: * How do I execute code at termination?:: * Where else can I find help?:: * Can I include comments in the "rules" section of the file?:: * I get an error about undefined yywrap().:: * How can I change the matching pattern at run time?:: * How can I expand macros in the input?:: * How can I build a two-pass scanner?:: * How do I match any string not matched in the preceding rules?:: * I am trying to port code from AT&T lex that uses yysptr and yysbuf.:: * Is there a way to make flex treat NULL like a regular character?:: * Whenever flex can not match the input it says "flex scanner jammed".:: * Why doesn't flex have non-greedy operators like perl does?:: * Memory leak - 16386 bytes allocated by malloc.:: * How do I track the byte offset for lseek()?:: * How do I use my own I/O classes in a C++ scanner?:: * How do I skip as many chars as possible?:: * deleteme00:: * Are certain equivalent patterns faster than others?:: * Is backing up a big deal?:: * Can I fake multi-byte character support?:: * deleteme01:: * Can you discuss some flex internals?:: * unput() messes up yy_at_bol:: * The | operator is not doing what I want:: * Why can't flex understand this variable trailing context pattern?:: * The ^ operator isn't working:: * Trailing context is getting confused with trailing optional patterns:: * Is flex GNU or not?:: * ERASEME53:: * I need to scan if-then-else blocks and while loops:: * ERASEME55:: * ERASEME56:: * ERASEME57:: * Is there a repository for flex scanners?:: * How can I conditionally compile or preprocess my flex input file?:: * Where can I find grammars for lex and yacc?:: * I get an end-of-buffer message for each character scanned.:: * unnamed-faq-62:: * unnamed-faq-63:: * unnamed-faq-64:: * unnamed-faq-65:: * unnamed-faq-66:: * unnamed-faq-67:: * unnamed-faq-68:: * unnamed-faq-69:: * unnamed-faq-70:: * unnamed-faq-71:: * unnamed-faq-72:: * unnamed-faq-73:: * unnamed-faq-74:: * unnamed-faq-75:: * unnamed-faq-76:: * unnamed-faq-77:: * unnamed-faq-78:: * unnamed-faq-79:: * unnamed-faq-80:: * unnamed-faq-81:: * unnamed-faq-82:: * unnamed-faq-83:: * unnamed-faq-84:: * unnamed-faq-85:: * unnamed-faq-86:: * unnamed-faq-87:: * unnamed-faq-88:: * unnamed-faq-90:: * unnamed-faq-91:: * unnamed-faq-92:: * unnamed-faq-93:: * unnamed-faq-94:: * unnamed-faq-95:: * unnamed-faq-96:: * unnamed-faq-97:: * unnamed-faq-98:: * unnamed-faq-99:: * unnamed-faq-100:: * unnamed-faq-101:: * What is the difference between YYLEX_PARAM and YY_DECL?:: * Why do I get "conflicting types for yylex" error?:: * How do I access the values set in a Flex action from within a Bison action?::  File: flex.info, Node: When was flex born?, Next: How do I expand backslash-escape sequences in C-style quoted strings?, Up: FAQ When was flex born? =================== Vern Paxson took over the `Software Tools' lex project from Jef Poskanzer in 1982. At that point it was written in Ratfor. Around 1987 or so, Paxson translated it into C, and a legend was born :-).  File: flex.info, Node: How do I expand backslash-escape sequences in C-style quoted strings?, Next: Why do flex scanners call fileno if it is not ANSI compatible?, Prev: When was flex born?, Up: FAQ How do I expand backslash-escape sequences in C-style quoted strings? ===================================================================== A key point when scanning quoted strings is that you cannot (easily) write a single rule that will precisely match the string if you allow things like embedded escape sequences and newlines. If you try to match strings with a single rule then you'll wind up having to rescan the string anyway to find any escape sequences. Instead you can use exclusive start conditions and a set of rules, one for matching non-escaped text, one for matching a single escape, one for matching an embedded newline, and one for recognizing the end of the string. Each of these rules is then faced with the question of where to put its intermediary results. The best solution is for the rules to append their local value of `yytext' to the end of a "string literal" buffer. A rule like the escape-matcher will append to the buffer the meaning of the escape sequence rather than the literal text in `yytext'. In this way, `yytext' does not need to be modified at all.  File: flex.info, Node: Why do flex scanners call fileno if it is not ANSI compatible?, Next: Does flex support recursive pattern definitions?, Prev: How do I expand backslash-escape sequences in C-style quoted strings?, Up: FAQ Why do flex scanners call fileno if it is not ANSI compatible? ============================================================== Flex scanners call `fileno()' in order to get the file descriptor corresponding to `yyin'. The file descriptor may be passed to `isatty()' or `read()', depending upon which `%options' you specified. If your system does not have `fileno()' support, to get rid of the `read()' call, do not specify `%option read'. To get rid of the `isatty()' call, you must specify one of `%option always-interactive' or `%option never-interactive'.  File: flex.info, Node: Does flex support recursive pattern definitions?, Next: How do I skip huge chunks of input (tens of megabytes) while using flex?, Prev: Why do flex scanners call fileno if it is not ANSI compatible?, Up: FAQ Does flex support recursive pattern definitions? ================================================ e.g., %% block "{"({block}|{statement})*"}" No. You cannot have recursive definitions. The pattern-matching power of regular expressions in general (and therefore flex scanners, too) is limited. In particular, regular expressions cannot "balance" parentheses to an arbitrary degree. For example, it's impossible to write a regular expression that matches all strings containing the same number of '{'s as '}'s. For more powerful pattern matching, you need a parser, such as `GNU bison'.  File: flex.info, Node: How do I skip huge chunks of input (tens of megabytes) while using flex?, Next: Flex is not matching my patterns in the same order that I defined them., Prev: Does flex support recursive pattern definitions?, Up: FAQ How do I skip huge chunks of input (tens of megabytes) while using flex? ======================================================================== Use `fseek()' (or `lseek()') to position yyin, then call `yyrestart()'.  File: flex.info, Node: Flex is not matching my patterns in the same order that I defined them., Next: My actions are executing out of order or sometimes not at all., Prev: How do I skip huge chunks of input (tens of megabytes) while using flex?, Up: FAQ Flex is not matching my patterns in the same order that I defined them. ======================================================================= `flex' picks the rule that matches the most text (i.e., the longest possible input string). This is because `flex' uses an entirely different matching technique ("deterministic finite automata") that actually does all of the matching simultaneously, in parallel. (Seems impossible, but it's actually a fairly simple technique once you understand the principles.) A side-effect of this parallel matching is that when the input matches more than one rule, `flex' scanners pick the rule that matched the _most_ text. This is explained further in the manual, in the section *Note Matching::. If you want `flex' to choose a shorter match, then you can work around this behavior by expanding your short rule to match more text, then put back the extra: data_.* yyless( 5 ); BEGIN BLOCKIDSTATE; Another fix would be to make the second rule active only during the `' start condition, and make that start condition exclusive by declaring it with `%x' instead of `%s'. A final fix is to change the input language so that the ambiguity for `data_' is removed, by adding characters to it that don't match the identifier rule, or by removing characters (such as `_') from the identifier rule so it no longer matches `data_'. (Of course, you might also not have the option of changing the input language.)  File: flex.info, Node: My actions are executing out of order or sometimes not at all., Next: How can I have multiple input sources feed into the same scanner at the same time?, Prev: Flex is not matching my patterns in the same order that I defined them., Up: FAQ My actions are executing out of order or sometimes not at all. ============================================================== Most likely, you have (in error) placed the opening `{' of the action block on a different line than the rule, e.g., ^(foo|bar) { <<<--- WRONG! } `flex' requires that the opening `{' of an action associated with a rule begin on the same line as does the rule. You need instead to write your rules as follows: ^(foo|bar) { // CORRECT! }  File: flex.info, Node: How can I have multiple input sources feed into the same scanner at the same time?, Next: Can I build nested parsers that work with the same input file?, Prev: My actions are executing out of order or sometimes not at all., Up: FAQ How can I have multiple input sources feed into the same scanner at the same time? ================================================================================== If ... * your scanner is free of backtracking (verified using `flex''s `-b' flag), * AND you run your scanner interactively (`-I' option; default unless using special table compression options), * AND you feed it one character at a time by redefining `YY_INPUT' to do so, then every time it matches a token, it will have exhausted its input buffer (because the scanner is free of backtracking). This means you can safely use `select()' at the point and only call `yylex()' for another token if `select()' indicates there's data available. That is, move the `select()' out from the input function to a point where it determines whether `yylex()' gets called for the next token. With this approach, you will still have problems if your input can arrive piecemeal; `select()' could inform you that the beginning of a token is available, you call `yylex()' to get it, but it winds up blocking waiting for the later characters in the token. Here's another way: Move your input multiplexing inside of `YY_INPUT'. That is, whenever `YY_INPUT' is called, it `select()''s to see where input is available. If input is available for the scanner, it reads and returns the next byte. If input is available from another source, it calls whatever function is responsible for reading from that source. (If no input is available, it blocks until some input is available.) I've used this technique in an interpreter I wrote that both reads keyboard input using a `flex' scanner and IPC traffic from sockets, and it works fine.  File: flex.info, Node: Can I build nested parsers that work with the same input file?, Next: How can I match text only at the end of a file?, Prev: How can I have multiple input sources feed into the same scanner at the same time?, Up: FAQ Can I build nested parsers that work with the same input file? ============================================================== This is not going to work without some additional effort. The reason is that `flex' block-buffers the input it reads from `yyin'. This means that the "outermost" `yylex()', when called, will automatically slurp up the first 8K of input available on yyin, and subsequent calls to other `yylex()''s won't see that input. You might be tempted to work around this problem by redefining `YY_INPUT' to only return a small amount of text, but it turns out that that approach is quite difficult. Instead, the best solution is to combine all of your scanners into one large scanner, using a different exclusive start condition for each.  File: flex.info, Node: How can I match text only at the end of a file?, Next: How can I make REJECT cascade across start condition boundaries?, Prev: Can I build nested parsers that work with the same input file?, Up: FAQ How can I match text only at the end of a file? =============================================== There is no way to write a rule which is "match this text, but only if it comes at the end of the file". You can fake it, though, if you happen to have a character lying around that you don't allow in your input. Then you redefine `YY_INPUT' to call your own routine which, if it sees an `EOF', returns the magic character first (and remembers to return a real `EOF' next time it's called). Then you could write: (.|\n)*{EOF_CHAR} /* saw comment at EOF */  File: flex.info, Node: How can I make REJECT cascade across start condition boundaries?, Next: Why cant I use fast or full tables with interactive mode?, Prev: How can I match text only at the end of a file?, Up: FAQ How can I make REJECT cascade across start condition boundaries? ================================================================ You can do this as follows. Suppose you have a start condition `A', and after exhausting all of the possible matches in `', you want to try matches in `'. Then you could use the following: %x A %% rule_that_is_long ...; REJECT; rule ...; REJECT; /* shorter rule */ etc. ... .|\n { /* Shortest and last rule in , so * cascaded REJECTs will eventually * wind up matching this rule. We want * to now switch to the initial state * and try matching from there instead. */ yyless(0); /* put back matched text */ BEGIN(INITIAL); }  File: flex.info, Node: Why cant I use fast or full tables with interactive mode?, Next: How much faster is -F or -f than -C?, Prev: How can I make REJECT cascade across start condition boundaries?, Up: FAQ Why can't I use fast or full tables with interactive mode? ========================================================== One of the assumptions flex makes is that interactive applications are inherently slow (they're waiting on a human after all). It has to do with how the scanner detects that it must be finished scanning a token. For interactive scanners, after scanning each character the current state is looked up in a table (essentially) to see whether there's a chance of another input character possibly extending the length of the match. If not, the scanner halts. For non-interactive scanners, the end-of-token test is much simpler, basically a compare with 0, so no memory bus cycles. Since the test occurs in the innermost scanning loop, one would like to make it go as fast as possible. Still, it seems reasonable to allow the user to choose to trade off a bit of performance in this area to gain the corresponding flexibility. There might be another reason, though, why fast scanners don't support the interactive option.  File: flex.info, Node: How much faster is -F or -f than -C?, Next: If I have a simple grammar cant I just parse it with flex?, Prev: Why cant I use fast or full tables with interactive mode?, Up: FAQ How much faster is -F or -f than -C? ==================================== Much faster (factor of 2-3).  File: flex.info, Node: If I have a simple grammar cant I just parse it with flex?, Next: Why doesn't yyrestart() set the start state back to INITIAL?, Prev: How much faster is -F or -f than -C?, Up: FAQ If I have a simple grammar can't I just parse it with flex? =========================================================== Is your grammar recursive? That's almost always a sign that you're better off using a parser/scanner rather than just trying to use a scanner alone.  File: flex.info, Node: Why doesn't yyrestart() set the start state back to INITIAL?, Next: How can I match C-style comments?, Prev: If I have a simple grammar cant I just parse it with flex?, Up: FAQ Why doesn't yyrestart() set the start state back to INITIAL? ============================================================ There are two reasons. The first is that there might be programs that rely on the start state not changing across file changes. The second is that beginning with `flex' version 2.4, use of `yyrestart()' is no longer required, so fixing the problem there doesn't solve the more general problem.  File: flex.info, Node: How can I match C-style comments?, Next: The period isn't working the way I expected., Prev: Why doesn't yyrestart() set the start state back to INITIAL?, Up: FAQ How can I match C-style comments? ================================= You might be tempted to try something like this: "/*".*"*/" // WRONG! or, worse, this: "/*"(.|\n)"*/" // WRONG! The above rules will eat too much input, and blow up on things like: /* a comment */ do_my_thing( "oops */" ); Here is one way which allows you to track line information: { "/*" BEGIN(IN_COMMENT); } { "*/" BEGIN(INITIAL); [^*\n]+ // eat comment in chunks "*" // eat the lone star \n yylineno++; }  File: flex.info, Node: The period isn't working the way I expected., Next: Can I get the flex manual in another format?, Prev: How can I match C-style comments?, Up: FAQ The '.' isn't working the way I expected. ========================================= Here are some tips for using `.': * A common mistake is to place the grouping parenthesis AFTER an operator, when you really meant to place the parenthesis BEFORE the operator, e.g., you probably want this `(foo|bar)+' and NOT this `(foo|bar+)'. The first pattern matches the words `foo' or `bar' any number of times, e.g., it matches the text `barfoofoobarfoo'. The second pattern matches a single instance of `foo' or a single instance of `bar' followed by one or more `r's, e.g., it matches the text `barrrr' . * A `.' inside `[]''s just means a literal`.' (period), and NOT "any character except newline". * Remember that `.' matches any character EXCEPT `\n' (and `EOF'). If you really want to match ANY character, including newlines, then use `(.|\n)' Beware that the regex `(.|\n)+' will match your entire input! * Finally, if you want to match a literal `.' (a period), then use `[.]' or `"."'  File: flex.info, Node: Can I get the flex manual in another format?, Next: Does there exist a "faster" NDFA->DFA algorithm?, Prev: The period isn't working the way I expected., Up: FAQ Can I get the flex manual in another format? ============================================ The `flex' source distribution includes a texinfo manual. You are free to convert that texinfo into whatever format you desire. The `texinfo' package includes tools for conversion to a number of formats.  File: flex.info, Node: Does there exist a "faster" NDFA->DFA algorithm?, Next: How does flex compile the DFA so quickly?, Prev: Can I get the flex manual in another format?, Up: FAQ Does there exist a "faster" NDFA->DFA algorithm? ================================================ There's no way around the potential exponential running time - it can take you exponential time just to enumerate all of the DFA states. In practice, though, the running time is closer to linear, or sometimes quadratic.  File: flex.info, Node: How does flex compile the DFA so quickly?, Next: How can I use more than 8192 rules?, Prev: Does there exist a "faster" NDFA->DFA algorithm?, Up: FAQ How does flex compile the DFA so quickly? ========================================= There are two big speed wins that `flex' uses: 1. It analyzes the input rules to construct equivalence classes for those characters that always make the same transitions. It then rewrites the NFA using equivalence classes for transitions instead of characters. This cuts down the NFA->DFA computation time dramatically, to the point where, for uncompressed DFA tables, the DFA generation is often I/O bound in writing out the tables. 2. It maintains hash values for previously computed DFA states, so testing whether a newly constructed DFA state is equivalent to a previously constructed state can be done very quickly, by first comparing hash values.  File: flex.info, Node: How can I use more than 8192 rules?, Next: How do I abandon a file in the middle of a scan and switch to a new file?, Prev: How does flex compile the DFA so quickly?, Up: FAQ How can I use more than 8192 rules? =================================== `Flex' is compiled with an upper limit of 8192 rules per scanner. If you need more than 8192 rules in your scanner, you'll have to recompile `flex' with the following changes in `flexdef.h': < #define YY_TRAILING_MASK 0x2000 < #define YY_TRAILING_HEAD_MASK 0x4000 -- > #define YY_TRAILING_MASK 0x20000000 > #define YY_TRAILING_HEAD_MASK 0x40000000 This should work okay as long as your C compiler uses 32 bit integers. But you might want to think about whether using such a huge number of rules is the best way to solve your problem. The following may also be relevant: With luck, you should be able to increase the definitions in flexdef.h for: #define JAMSTATE -32766 /* marks a reference to the state that always jams */ #define MAXIMUM_MNS 31999 #define BAD_SUBSCRIPT -32767 recompile everything, and it'll all work. Flex only has these 16-bit-like values built into it because a long time ago it was developed on a machine with 16-bit ints. I've given this advice to others in the past but haven't heard back from them whether it worked okay or not...  File: flex.info, Node: How do I abandon a file in the middle of a scan and switch to a new file?, Next: How do I execute code only during initialization (only before the first scan)?, Prev: How can I use more than 8192 rules?, Up: FAQ How do I abandon a file in the middle of a scan and switch to a new file? ========================================================================= Just call `yyrestart(newfile)'. Be sure to reset the start state if you want a "fresh start, since `yyrestart' does NOT reset the start state back to `INITIAL'.  File: flex.info, Node: How do I execute code only during initialization (only before the first scan)?, Next: How do I execute code at termination?, Prev: How do I abandon a file in the middle of a scan and switch to a new file?, Up: FAQ How do I execute code only during initialization (only before the first scan)? ============================================================================== You can specify an initial action by defining the macro `YY_USER_INIT' (though note that `yyout' may not be available at the time this macro is executed). Or you can add to the beginning of your rules section: %% /* Must be indented! */ static int did_init = 0; if ( ! did_init ){ do_my_init(); did_init = 1; }  File: flex.info, Node: How do I execute code at termination?, Next: Where else can I find help?, Prev: How do I execute code only during initialization (only before the first scan)?, Up: FAQ How do I execute code at termination? ===================================== You can specify an action for the `<>' rule.  File: flex.info, Node: Where else can I find help?, Next: Can I include comments in the "rules" section of the file?, Prev: How do I execute code at termination?, Up: FAQ Where else can I find help? =========================== You can find the flex homepage on the web at `http://flex.sourceforge.net/'. See that page for details about flex mailing lists as well.  File: flex.info, Node: Can I include comments in the "rules" section of the file?, Next: I get an error about undefined yywrap()., Prev: Where else can I find help?, Up: FAQ Can I include comments in the "rules" section of the file? ========================================================== Yes, just about anywhere you want to. See the manual for the specific syntax.  File: flex.info, Node: I get an error about undefined yywrap()., Next: How can I change the matching pattern at run time?, Prev: Can I include comments in the "rules" section of the file?, Up: FAQ I get an error about undefined yywrap(). ======================================== You must supply a `yywrap()' function of your own, or link to `libfl.a' (which provides one), or use %option noyywrap in your source to say you don't want a `yywrap()' function.  File: flex.info, Node: How can I change the matching pattern at run time?, Next: How can I expand macros in the input?, Prev: I get an error about undefined yywrap()., Up: FAQ How can I change the matching pattern at run time? ================================================== You can't, it's compiled into a static table when flex builds the scanner.  File: flex.info, Node: How can I expand macros in the input?, Next: How can I build a two-pass scanner?, Prev: How can I change the matching pattern at run time?, Up: FAQ How can I expand macros in the input? ===================================== The best way to approach this problem is at a higher level, e.g., in the parser. However, you can do this using multiple input buffers. %% macro/[a-z]+ { /* Saw the macro "macro" followed by extra stuff. */ main_buffer = YY_CURRENT_BUFFER; expansion_buffer = yy_scan_string(expand(yytext)); yy_switch_to_buffer(expansion_buffer); } <> { if ( expansion_buffer ) { // We were doing an expansion, return to where // we were. yy_switch_to_buffer(main_buffer); yy_delete_buffer(expansion_buffer); expansion_buffer = 0; } else yyterminate(); } You probably will want a stack of expansion buffers to allow nested macros. From the above though hopefully the idea is clear.  File: flex.info, Node: How can I build a two-pass scanner?, Next: How do I match any string not matched in the preceding rules?, Prev: How can I expand macros in the input?, Up: FAQ How can I build a two-pass scanner? =================================== One way to do it is to filter the first pass to a temporary file, then process the temporary file on the second pass. You will probably see a performance hit, due to all the disk I/O. When you need to look ahead far forward like this, it almost always means that the right solution is to build a parse tree of the entire input, then walk it after the parse in order to generate the output. In a sense, this is a two-pass approach, once through the text and once through the parse tree, but the performance hit for the latter is usually an order of magnitude smaller, since everything is already classified, in binary format, and residing in memory.  File: flex.info, Node: How do I match any string not matched in the preceding rules?, Next: I am trying to port code from AT&T lex that uses yysptr and yysbuf., Prev: How can I build a two-pass scanner?, Up: FAQ How do I match any string not matched in the preceding rules? ============================================================= One way to assign precedence, is to place the more specific rules first. If two rules would match the same input (same sequence of characters) then the first rule listed in the `flex' input wins, e.g., %% foo[a-zA-Z_]+ return FOO_ID; bar[a-zA-Z_]+ return BAR_ID; [a-zA-Z_]+ return GENERIC_ID; Note that the rule `[a-zA-Z_]+' must come *after* the others. It will match the same amount of text as the more specific rules, and in that case the `flex' scanner will pick the first rule listed in your scanner as the one to match.  File: flex.info, Node: I am trying to port code from AT&T lex that uses yysptr and yysbuf., Next: Is there a way to make flex treat NULL like a regular character?, Prev: How do I match any string not matched in the preceding rules?, Up: FAQ I am trying to port code from AT&T lex that uses yysptr and yysbuf. =================================================================== Those are internal variables pointing into the AT&T scanner's input buffer. I imagine they're being manipulated in user versions of the `input()' and `unput()' functions. If so, what you need to do is analyze those functions to figure out what they're doing, and then replace `input()' with an appropriate definition of `YY_INPUT'. You shouldn't need to (and must not) replace `flex''s `unput()' function.  File: flex.info, Node: Is there a way to make flex treat NULL like a regular character?, Next: Whenever flex can not match the input it says "flex scanner jammed"., Prev: I am trying to port code from AT&T lex that uses yysptr and yysbuf., Up: FAQ Is there a way to make flex treat NULL like a regular character? ================================================================ Yes, `\0' and `\x00' should both do the trick. Perhaps you have an ancient version of `flex'. The latest release is version 2.5.35.  File: flex.info, Node: Whenever flex can not match the input it says "flex scanner jammed"., Next: Why doesn't flex have non-greedy operators like perl does?, Prev: Is there a way to make flex treat NULL like a regular character?, Up: FAQ Whenever flex can not match the input it says "flex scanner jammed". ==================================================================== You need to add a rule that matches the otherwise-unmatched text, e.g., %option yylineno %% [[a bunch of rules here]] . printf("bad input character '%s' at line %d\n", yytext, yylineno); See `%option default' for more information.  File: flex.info, Node: Why doesn't flex have non-greedy operators like perl does?, Next: Memory leak - 16386 bytes allocated by malloc., Prev: Whenever flex can not match the input it says "flex scanner jammed"., Up: FAQ Why doesn't flex have non-greedy operators like perl does? ========================================================== A DFA can do a non-greedy match by stopping the first time it enters an accepting state, instead of consuming input until it determines that no further matching is possible (a "jam" state). This is actually easier to implement than longest leftmost match (which flex does). But it's also much less useful than longest leftmost match. In general, when you find yourself wishing for non-greedy matching, that's usually a sign that you're trying to make the scanner do some parsing. That's generally the wrong approach, since it lacks the power to do a decent job. Better is to either introduce a separate parser, or to split the scanner into multiple scanners using (exclusive) start conditions. You might have a separate start state once you've seen the `BEGIN'. In that state, you might then have a regex that will match `END' (to kick you out of the state), and perhaps `(.|\n)' to get a single character within the chunk ... This approach also has much better error-reporting properties.  File: flex.info, Node: Memory leak - 16386 bytes allocated by malloc., Next: How do I track the byte offset for lseek()?, Prev: Why doesn't flex have non-greedy operators like perl does?, Up: FAQ Memory leak - 16386 bytes allocated by malloc. ============================================== UPDATED 2002-07-10: As of `flex' version 2.5.9, this leak means that you did not call `yylex_destroy()'. If you are using an earlier version of `flex', then read on. The leak is about 16426 bytes. That is, (8192 * 2 + 2) for the read-buffer, and about 40 for `struct yy_buffer_state' (depending upon alignment). The leak is in the non-reentrant C scanner only (NOT in the reentrant scanner, NOT in the C++ scanner). Since `flex' doesn't know when you are done, the buffer is never freed. However, the leak won't multiply since the buffer is reused no matter how many times you call `yylex()'. If you want to reclaim the memory when you are completely done scanning, then you might try this: /* For non-reentrant C scanner only. */ yy_delete_buffer(YY_CURRENT_BUFFER); yy_init = 1; Note: `yy_init' is an "internal variable", and hasn't been tested in this situation. It is possible that some other globals may need resetting as well.  File: flex.info, Node: How do I track the byte offset for lseek()?, Next: How do I use my own I/O classes in a C++ scanner?, Prev: Memory leak - 16386 bytes allocated by malloc., Up: FAQ How do I track the byte offset for lseek()? =========================================== > We thought that it would be possible to have this number through the > evaluation of the following expression: > > seek_position = (no_buffers)*YY_READ_BUF_SIZE + yy_c_buf_p - YY_CURRENT_BUFFER->yy_ch_buf While this is the right idea, it has two problems. The first is that it's possible that `flex' will request less than `YY_READ_BUF_SIZE' during an invocation of `YY_INPUT' (or that your input source will return less even though `YY_READ_BUF_SIZE' bytes were requested). The second problem is that when refilling its internal buffer, `flex' keeps some characters from the previous buffer (because usually it's in the middle of a match, and needs those characters to construct `yytext' for the match once it's done). Because of this, `yy_c_buf_p - YY_CURRENT_BUFFER->yy_ch_buf' won't be exactly the number of characters already read from the current buffer. An alternative solution is to count the number of characters you've matched since starting to scan. This can be done by using `YY_USER_ACTION'. For example, #define YY_USER_ACTION num_chars += yyleng; (You need to be careful to update your bookkeeping if you use `yymore('), `yyless()', `unput()', or `input()'.)  File: flex.info, Node: How do I use my own I/O classes in a C++ scanner?, Next: How do I skip as many chars as possible?, Prev: How do I track the byte offset for lseek()?, Up: FAQ How do I use my own I/O classes in a C++ scanner? ================================================= When the flex C++ scanning class rewrite finally happens, then this sort of thing should become much easier. You can do this by passing the various functions (such as `LexerInput()' and `LexerOutput()') NULL `iostream*''s, and then dealing with your own I/O classes surreptitiously (i.e., stashing them in special member variables). This works because the only assumption about the lexer regarding what's done with the iostream's is that they're ultimately passed to `LexerInput()' and `LexerOutput', which then do whatever is necessary with them.  File: flex.info, Node: How do I skip as many chars as possible?, Next: deleteme00, Prev: How do I use my own I/O classes in a C++ scanner?, Up: FAQ How do I skip as many chars as possible? ======================================== How do I skip as many chars as possible - without interfering with the other patterns? In the example below, we want to skip over characters until we see the phrase "endskip". The following will _NOT_ work correctly (do you see why not?) /* INCORRECT SCANNER */ %x SKIP %% startskip BEGIN(SKIP); ... "endskip" BEGIN(INITIAL); .* ; The problem is that the pattern .* will eat up the word "endskip." The simplest (but slow) fix is: "endskip" BEGIN(INITIAL); . ; The fix involves making the second rule match more, without making it match "endskip" plus something else. So for example: "endskip" BEGIN(INITIAL); [^e]+ ; . ;/* so you eat up e's, too */  File: flex.info, Node: deleteme00, Next: Are certain equivalent patterns faster than others?, Prev: How do I skip as many chars as possible?, Up: FAQ deleteme00 ========== QUESTION: When was flex born? Vern Paxson took over the Software Tools lex project from Jef Poskanzer in 1982. At that point it was written in Ratfor. Around 1987 or so, Paxson translated it into C, and a legend was born :-).  File: flex.info, Node: Are certain equivalent patterns faster than others?, Next: Is backing up a big deal?, Prev: deleteme00, Up: FAQ Are certain equivalent patterns faster than others? =================================================== To: Adoram Rogel Subject: Re: Flex 2.5.2 performance questions In-reply-to: Your message of Wed, 18 Sep 96 11:12:17 EDT. Date: Wed, 18 Sep 96 10:51:02 PDT From: Vern Paxson [Note, the most recent flex release is 2.5.4, which you can get from ftp.ee.lbl.gov. It has bug fixes over 2.5.2 and 2.5.3.] > 1. Using the pattern > ([Ff](oot)?)?[Nn](ote)?(\.)? > instead of > (((F|f)oot(N|n)ote)|((N|n)ote)|((N|n)\.)|((F|f)(N|n)(\.))) > (in a very complicated flex program) caused the program to slow from > 300K+/min to 100K/min (no other changes were done). These two are not equivalent. For example, the first can match "footnote." but the second can only match "footnote". This is almost certainly the cause in the discrepancy - the slower scanner run is matching more tokens, and/or having to do more backing up. > 2. Which of these two are better: [Ff]oot or (F|f)oot ? From a performance point of view, they're equivalent (modulo presumably minor effects such as memory cache hit rates; and the presence of trailing context, see below). From a space point of view, the first is slightly preferable. > 3. I have a pattern that look like this: > pats {p1}|{p2}|{p3}|...|{p50} (50 patterns ORd) > > running yet another complicated program that includes the following rule: > {and}/{no4}{bb}{pats} > > gets me to "too complicated - over 32,000 states"... I can't tell from this example whether the trailing context is variable-length or fixed-length (it could be the latter if {and} is fixed-length). If it's variable length, which flex -p will tell you, then this reflects a basic performance problem, and if you can eliminate it by restructuring your scanner, you will see significant improvement. > so I divided {pats} to {pats1}, {pats2},..., {pats5} each consists of about > 10 patterns and changed the rule to be 5 rules. > This did compile, but what is the rule of thumb here ? The rule is to avoid trailing context other than fixed-length, in which for a/b, either the 'a' pattern or the 'b' pattern have a fixed length. Use of the '|' operator automatically makes the pattern variable length, so in this case '[Ff]oot' is preferred to '(F|f)oot'. > 4. I changed a rule that looked like this: > {and}{bb}/{ROMAN}[^A-Za-z] { BEGIN... > > to the next 2 rules: > {and}{bb}/{ROMAN}[A-Za-z] { ECHO;} > {and}{bb}/{ROMAN} { BEGIN... > > Again, I understand the using [^...] will cause a great performance loss Actually, it doesn't cause any sort of performance loss. It's a surprising fact about regular expressions that they always match in linear time regardless of how complex they are. > but are there any specific rules about it ? See the "Performance Considerations" section of the man page, and also the example in MISC/fastwc/. Vern  File: flex.info, Node: Is backing up a big deal?, Next: Can I fake multi-byte character support?, Prev: Are certain equivalent patterns faster than others?, Up: FAQ Is backing up a big deal? ========================= To: Adoram Rogel Subject: Re: Flex 2.5.2 performance questions In-reply-to: Your message of Thu, 19 Sep 96 10:16:04 EDT. Date: Thu, 19 Sep 96 09:58:00 PDT From: Vern Paxson > a lot about the backing up problem. > I believe that there lies my biggest problem, and I'll try to improve > it. Since you have variable trailing context, this is a bigger performance problem. Fixing it is usually easier than fixing backing up, which in a complicated scanner (yours seems to fit the bill) can be extremely difficult to do correctly. You also don't mention what flags you are using for your scanner. -f makes a large speed difference, and -Cfe buys you nearly as much speed but the resulting scanner is considerably smaller. > I have an | operator in {and} and in {pats} so both of them are variable > length. -p should have reported this. > Is changing one of them to fixed-length is enough ? Yes. > Is it possible to change the 32,000 states limit ? Yes. I've appended instructions on how. Before you make this change, though, you should think about whether there are ways to fundamentally simplify your scanner - those are certainly preferable! Vern To increase the 32K limit (on a machine with 32 bit integers), you increase the magnitude of the following in flexdef.h: #define JAMSTATE -32766 /* marks a reference to the state that always jams */ #define MAXIMUM_MNS 31999 #define BAD_SUBSCRIPT -32767 #define MAX_SHORT 32700 Adding a 0 or two after each should do the trick.  File: flex.info, Node: Can I fake multi-byte character support?, Next: deleteme01, Prev: Is backing up a big deal?, Up: FAQ Can I fake multi-byte character support? ======================================== To: Heeman_Lee@hp.com Subject: Re: flex - multi-byte support? In-reply-to: Your message of Thu, 03 Oct 1996 17:24:04 PDT. Date: Fri, 04 Oct 1996 11:42:18 PDT From: Vern Paxson > I assume as long as my *.l file defines the > range of expected character code values (in octal format), flex will > scan the file and read multi-byte characters correctly. But I have no > confidence in this assumption. Your lack of confidence is justified - this won't work. Flex has in it a widespread assumption that the input is processed one byte at a time. Fixing this is on the to-do list, but is involved, so it won't happen any time soon. In the interim, the best I can suggest (unless you want to try fixing it yourself) is to write your rules in terms of pairs of bytes, using definitions in the first section: X \xfe\xc2 ... %% foo{X}bar found_foo_fe_c2_bar(); etc. Definitely a pain - sorry about that. By the way, the email address you used for me is ancient, indicating you have a very old version of flex. You can get the most recent, 2.5.4, from ftp.ee.lbl.gov. Vern  File: flex.info, Node: deleteme01, Next: Can you discuss some flex internals?, Prev: Can I fake multi-byte character support?, Up: FAQ deleteme01 ========== To: moleary@primus.com Subject: Re: Flex / Unicode compatibility question In-reply-to: Your message of Tue, 22 Oct 1996 10:15:42 PDT. Date: Tue, 22 Oct 1996 11:06:13 PDT From: Vern Paxson Unfortunately flex at the moment has a widespread assumption within it that characters are processed 8 bits at a time. I don't see any easy fix for this (other than writing your rules in terms of double characters - a pain). I also don't know of a wider lex, though you might try surfing the Plan 9 stuff because I know it's a Unicode system, and also the PCCT toolkit (try searching say Alta Vista for "Purdue Compiler Construction Toolkit"). Fixing flex to handle wider characters is on the long-term to-do list. But since flex is a strictly spare-time project these days, this probably won't happen for quite a while, unless someone else does it first. Vern  File: flex.info, Node: Can you discuss some flex internals?, Next: unput() messes up yy_at_bol, Prev: deleteme01, Up: FAQ Can you discuss some flex internals? ==================================== To: Johan Linde Subject: Re: translation of flex In-reply-to: Your message of Sun, 10 Nov 1996 09:16:36 PST. Date: Mon, 11 Nov 1996 10:33:50 PST From: Vern Paxson > I'm working for the Swedish team translating GNU program, and I'm currently > working with flex. I have a few questions about some of the messages which > I hope you can answer. All of the things you're wondering about, by the way, concerning flex internals - probably the only person who understands what they mean in English is me! So I wouldn't worry too much about getting them right. That said ... > #: main.c:545 > msgid " %d protos created\n" > > Does proto mean prototype? Yes - prototypes of state compression tables. > #: main.c:539 > msgid " %d/%d (peak %d) template nxt-chk entries created\n" > > Here I'm mainly puzzled by 'nxt-chk'. I guess it means 'next-check'. (?) > However, 'template next-check entries' doesn't make much sense to me. To be > able to find a good translation I need to know a little bit more about it. There is a scheme in the Aho/Sethi/Ullman compiler book for compressing scanner tables. It involves creating two pairs of tables. The first has "base" and "default" entries, the second has "next" and "check" entries. The "base" entry is indexed by the current state and yields an index into the next/check table. The "default" entry gives what to do if the state transition isn't found in next/check. The "next" entry gives the next state to enter, but only if the "check" entry verifies that this entry is correct for the current state. Flex creates templates of series of next/check entries and then encodes differences from these templates as a way to compress the tables. > #: main.c:533 > msgid " %d/%d base-def entries created\n" > > The same problem here for 'base-def'. See above. Vern  File: flex.info, Node: unput() messes up yy_at_bol, Next: The | operator is not doing what I want, Prev: Can you discuss some flex internals?, Up: FAQ unput() messes up yy_at_bol =========================== To: Xinying Li Subject: Re: FLEX ? In-reply-to: Your message of Wed, 13 Nov 1996 17:28:38 PST. Date: Wed, 13 Nov 1996 19:51:54 PST From: Vern Paxson > "unput()" them to input flow, question occurs. If I do this after I scan > a carriage, the variable "YY_CURRENT_BUFFER->yy_at_bol" is changed. That > means the carriage flag has gone. You can control this by calling yy_set_bol(). It's described in the manual. > And if in pre-reading it goes to the end of file, is anything done > to control the end of curren buffer and end of file? No, there's no way to put back an end-of-file. > By the way I am using flex 2.5.2 and using the "-l". The latest release is 2.5.4, by the way. It fixes some bugs in 2.5.2 and 2.5.3. You can get it from ftp.ee.lbl.gov. Vern  File: flex.info, Node: The | operator is not doing what I want, Next: Why can't flex understand this variable trailing context pattern?, Prev: unput() messes up yy_at_bol, Up: FAQ The | operator is not doing what I want ======================================= To: Alain.ISSARD@st.com Subject: Re: Start condition with FLEX In-reply-to: Your message of Mon, 18 Nov 1996 09:45:02 PST. Date: Mon, 18 Nov 1996 10:41:34 PST From: Vern Paxson > I am not able to use the start condition scope and to use the | (OR) with > rules having start conditions. The problem is that if you use '|' as a regular expression operator, for example "a|b" meaning "match either 'a' or 'b'", then it must *not* have any blanks around it. If you instead want the special '|' *action* (which from your scanner appears to be the case), which is a way of giving two different rules the same action: foo | bar matched_foo_or_bar(); then '|' *must* be separated from the first rule by whitespace and *must* be followed by a new line. You *cannot* write it as: foo | bar matched_foo_or_bar(); even though you might think you could because yacc supports this syntax. The reason for this unfortunately incompatibility is historical, but it's unlikely to be changed. Your problems with start condition scope are simply due to syntax errors from your use of '|' later confusing flex. Let me know if you still have problems. Vern  File: flex.info, Node: Why can't flex understand this variable trailing context pattern?, Next: The ^ operator isn't working, Prev: The | operator is not doing what I want, Up: FAQ Why can't flex understand this variable trailing context pattern? ================================================================= To: Gregory Margo Subject: Re: flex-2.5.3 bug report In-reply-to: Your message of Sat, 23 Nov 1996 16:50:09 PST. Date: Sat, 23 Nov 1996 17:07:32 PST From: Vern Paxson > Enclosed is a lex file that "real" lex will process, but I cannot get > flex to process it. Could you try it and maybe point me in the right direction? Your problem is that some of the definitions in the scanner use the '/' trailing context operator, and have it enclosed in ()'s. Flex does not allow this operator to be enclosed in ()'s because doing so allows undefined regular expressions such as "(a/b)+". So the solution is to remove the parentheses. Note that you must also be building the scanner with the -l option for AT&T lex compatibility. Without this option, flex automatically encloses the definitions in parentheses. Vern  File: flex.info, Node: The ^ operator isn't working, Next: Trailing context is getting confused with trailing optional patterns, Prev: Why can't flex understand this variable trailing context pattern?, Up: FAQ The ^ operator isn't working ============================ To: Thomas Hadig Subject: Re: Flex Bug ? In-reply-to: Your message of Tue, 26 Nov 1996 14:35:01 PST. Date: Tue, 26 Nov 1996 11:15:05 PST From: Vern Paxson > In my lexer code, i have the line : > ^\*.* { } > > Thus all lines starting with an astrix (*) are comment lines. > This does not work ! I can't get this problem to reproduce - it works fine for me. Note though that if what you have is slightly different: COMMENT ^\*.* %% {COMMENT} { } then it won't work, because flex pushes back macro definitions enclosed in ()'s, so the rule becomes (^\*.*) { } and now that the '^' operator is not at the immediate beginning of the line, it's interpreted as just a regular character. You can avoid this behavior by using the "-l" lex-compatibility flag, or "%option lex-compat". Vern  File: flex.info, Node: Trailing context is getting confused with trailing optional patterns, Next: Is flex GNU or not?, Prev: The ^ operator isn't working, Up: FAQ Trailing context is getting confused with trailing optional patterns ==================================================================== To: Adoram Rogel Subject: Re: Flex 2.5.4 BOF ??? In-reply-to: Your message of Tue, 26 Nov 1996 16:10:41 PST. Date: Wed, 27 Nov 1996 10:56:25 PST From: Vern Paxson > Organization(s)?/[a-z] > > This matched "Organizations" (looking in debug mode, the trailing s > was matched with trailing context instead of the optional (s) in the > end of the word. That should only happen with lex. Flex can properly match this pattern. (That might be what you're saying, I'm just not sure.) > Is there a way to avoid this dangerous trailing context problem ? Unfortunately, there's no easy way. On the other hand, I don't see why it should be a problem. Lex's matching is clearly wrong, and I'd hope that usually the intent remains the same as expressed with the pattern, so flex's matching will be correct. Vern  File: flex.info, Node: Is flex GNU or not?, Next: ERASEME53, Prev: Trailing context is getting confused with trailing optional patterns, Up: FAQ Is flex GNU or not? =================== To: Cameron MacKinnon Subject: Re: Flex documentation bug In-reply-to: Your message of Mon, 02 Dec 1996 00:07:08 PST. Date: Sun, 01 Dec 1996 22:29:39 PST From: Vern Paxson > I'm not sure how or where to submit bug reports (documentation or > otherwise) for the GNU project stuff ... Well, strictly speaking flex isn't part of the GNU project. They just distribute it because no one's written a decent GPL'd lex replacement. So you should send bugs directly to me. Those sent to the GNU folks sometimes find there way to me, but some may drop between the cracks. > In GNU Info, under the section 'Start Conditions', and also in the man > page (mine's dated April '95) is a nice little snippet showing how to > parse C quoted strings into a buffer, defined to be MAX_STR_CONST in > size. Unfortunately, no overflow checking is ever done ... This is already mentioned in the manual: Finally, here's an example of how to match C-style quoted strings using exclusive start conditions, including expanded escape sequences (but not including checking for a string that's too long): The reason for not doing the overflow checking is that it will needlessly clutter up an example whose main purpose is just to demonstrate how to use flex. The latest release is 2.5.4, by the way, available from ftp.ee.lbl.gov. Vern  File: flex.info, Node: ERASEME53, Next: I need to scan if-then-else blocks and while loops, Prev: Is flex GNU or not?, Up: FAQ ERASEME53 ========= To: tsv@cs.UManitoba.CA Subject: Re: Flex (reg).. In-reply-to: Your message of Thu, 06 Mar 1997 23:50:16 PST. Date: Thu, 06 Mar 1997 15:54:19 PST From: Vern Paxson > [:alpha:] ([:alnum:] | \\_)* If your rule really has embedded blanks as shown above, then it won't work, as the first blank delimits the rule from the action. (It wouldn't even compile ...) You need instead: [:alpha:]([:alnum:]|\\_)* and that should work fine - there's no restriction on what can go inside of ()'s except for the trailing context operator, '/'. Vern  File: flex.info, Node: I need to scan if-then-else blocks and while loops, Next: ERASEME55, Prev: ERASEME53, Up: FAQ I need to scan if-then-else blocks and while loops ================================================== To: "Mike Stolnicki" Subject: Re: FLEX help In-reply-to: Your message of Fri, 30 May 1997 13:33:27 PDT. Date: Fri, 30 May 1997 10:46:35 PDT From: Vern Paxson > We'd like to add "if-then-else", "while", and "for" statements to our > language ... > We've investigated many possible solutions. The one solution that seems > the most reasonable involves knowing the position of a TOKEN in yyin. I strongly advise you to instead build a parse tree (abstract syntax tree) and loop over that instead. You'll find this has major benefits in keeping your interpreter simple and extensible. That said, the functionality you mention for get_position and set_position have been on the to-do list for a while. As flex is a purely spare-time project for me, no guarantees when this will be added (in particular, it for sure won't be for many months to come). Vern  File: flex.info, Node: ERASEME55, Next: ERASEME56, Prev: I need to scan if-then-else blocks and while loops, Up: FAQ ERASEME55 ========= To: Colin Paul Adams Subject: Re: Flex C++ classes and Bison In-reply-to: Your message of 09 Aug 1997 17:11:41 PDT. Date: Fri, 15 Aug 1997 10:48:19 PDT From: Vern Paxson > #define YY_DECL int yylex (YYSTYPE *lvalp, struct parser_control > *parm) > > I have been trying to get this to work as a C++ scanner, but it does > not appear to be possible (warning that it matches no declarations in > yyFlexLexer, or something like that). > > Is this supposed to be possible, or is it being worked on (I DID > notice the comment that scanner classes are still experimental, so I'm > not too hopeful)? What you need to do is derive a subclass from yyFlexLexer that provides the above yylex() method, squirrels away lvalp and parm into member variables, and then invokes yyFlexLexer::yylex() to do the regular scanning. Vern  File: flex.info, Node: ERASEME56, Next: ERASEME57, Prev: ERASEME55, Up: FAQ ERASEME56 ========= To: Mikael.Latvala@lmf.ericsson.se Subject: Re: Possible mistake in Flex v2.5 document In-reply-to: Your message of Fri, 05 Sep 1997 16:07:24 PDT. Date: Fri, 05 Sep 1997 10:01:54 PDT From: Vern Paxson > In that example you show how to count comment lines when using > C style /* ... */ comments. My question is, shouldn't you take into > account a scenario where end of a comment marker occurs inside > character or string literals? The scanner certainly needs to also scan character and string literals. However it does that (there's an example in the man page for strings), the lexer will recognize the beginning of the literal before it runs across the embedded "/*". Consequently, it will finish scanning the literal before it even considers the possibility of matching "/*". Example: '([^']*|{ESCAPE_SEQUENCE})' will match all the text between the ''s (inclusive). So the lexer considers this as a token beginning at the first ', and doesn't even attempt to match other tokens inside it. I thinnk this subtlety is not worth putting in the manual, as I suspect it would confuse more people than it would enlighten. Vern  File: flex.info, Node: ERASEME57, Next: Is there a repository for flex scanners?, Prev: ERASEME56, Up: FAQ ERASEME57 ========= To: "Marty Leisner" Subject: Re: flex limitations In-reply-to: Your message of Sat, 06 Sep 1997 11:27:21 PDT. Date: Mon, 08 Sep 1997 11:38:08 PDT From: Vern Paxson > %% > [a-zA-Z]+ /* skip a line */ > { printf("got %s\n", yytext); } > %% What version of flex are you using? If I feed this to 2.5.4, it complains: "bug.l", line 5: EOF encountered inside an action "bug.l", line 5: unrecognized rule "bug.l", line 5: fatal parse error Not the world's greatest error message, but it manages to flag the problem. (With the introduction of start condition scopes, flex can't accommodate an action on a separate line, since it's ambiguous with an indented rule.) You can get 2.5.4 from ftp.ee.lbl.gov. Vern  File: flex.info, Node: Is there a repository for flex scanners?, Next: How can I conditionally compile or preprocess my flex input file?, Prev: ERASEME57, Up: FAQ Is there a repository for flex scanners? ======================================== Not that we know of. You might try asking on comp.compilers.  File: flex.info, Node: How can I conditionally compile or preprocess my flex input file?, Next: Where can I find grammars for lex and yacc?, Prev: Is there a repository for flex scanners?, Up: FAQ How can I conditionally compile or preprocess my flex input file? ================================================================= Flex doesn't have a preprocessor like C does. You might try using m4, or the C preprocessor plus a sed script to clean up the result.  File: flex.info, Node: Where can I find grammars for lex and yacc?, Next: I get an end-of-buffer message for each character scanned., Prev: How can I conditionally compile or preprocess my flex input file?, Up: FAQ Where can I find grammars for lex and yacc? =========================================== In the sources for flex and bison.  File: flex.info, Node: I get an end-of-buffer message for each character scanned., Next: unnamed-faq-62, Prev: Where can I find grammars for lex and yacc?, Up: FAQ I get an end-of-buffer message for each character scanned. ========================================================== This will happen if your LexerInput() function returns only one character at a time, which can happen either if you're scanner is "interactive", or if the streams library on your platform always returns 1 for yyin->gcount(). Solution: override LexerInput() with a version that returns whole buffers.  File: flex.info, Node: unnamed-faq-62, Next: unnamed-faq-63, Prev: I get an end-of-buffer message for each character scanned., Up: FAQ unnamed-faq-62 ============== To: Georg.Rehm@CL-KI.Uni-Osnabrueck.DE Subject: Re: Flex maximums In-reply-to: Your message of Mon, 17 Nov 1997 17:16:06 PST. Date: Mon, 17 Nov 1997 17:16:15 PST From: Vern Paxson > I took a quick look into the flex-sources and altered some #defines in > flexdefs.h: > > #define INITIAL_MNS 64000 > #define MNS_INCREMENT 1024000 > #define MAXIMUM_MNS 64000 The things to fix are to add a couple of zeroes to: #define JAMSTATE -32766 /* marks a reference to the state that always jams */ #define MAXIMUM_MNS 31999 #define BAD_SUBSCRIPT -32767 #define MAX_SHORT 32700 and, if you get complaints about too many rules, make the following change too: #define YY_TRAILING_MASK 0x200000 #define YY_TRAILING_HEAD_MASK 0x400000 - Vern  File: flex.info, Node: unnamed-faq-63, Next: unnamed-faq-64, Prev: unnamed-faq-62, Up: FAQ unnamed-faq-63 ============== To: jimmey@lexis-nexis.com (Jimmey Todd) Subject: Re: FLEX question regarding istream vs ifstream In-reply-to: Your message of Mon, 08 Dec 1997 15:54:15 PST. Date: Mon, 15 Dec 1997 13:21:35 PST From: Vern Paxson > stdin_handle = YY_CURRENT_BUFFER; > ifstream fin( "aFile" ); > yy_switch_to_buffer( yy_create_buffer( fin, YY_BUF_SIZE ) ); > > What I'm wanting to do, is pass the contents of a file thru one set > of rules and then pass stdin thru another set... It works great if, I > don't use the C++ classes. But since everything else that I'm doing is > in C++, I thought I'd be consistent. > > The problem is that 'yy_create_buffer' is expecting an istream* as it's > first argument (as stated in the man page). However, fin is a ifstream > object. Any ideas on what I might be doing wrong? Any help would be > appreciated. Thanks!! You need to pass &fin, to turn it into an ifstream* instead of an ifstream. Then its type will be compatible with the expected istream*, because ifstream is derived from istream. Vern  File: flex.info, Node: unnamed-faq-64, Next: unnamed-faq-65, Prev: unnamed-faq-63, Up: FAQ unnamed-faq-64 ============== To: Enda Fadian Subject: Re: Question related to Flex man page? In-reply-to: Your message of Tue, 16 Dec 1997 15:17:34 PST. Date: Tue, 16 Dec 1997 14:17:09 PST From: Vern Paxson > Can you explain to me what is ment by a long-jump in relation to flex? Using the longjmp() function while inside yylex() or a routine called by it. > what is the flex activation frame. Just yylex()'s stack frame. > As far as I can see yyrestart will bring me back to the sart of the input > file and using flex++ isnot really an option! No, yyrestart() doesn't imply a rewind, even though its name might sound like it does. It tells the scanner to flush its internal buffers and start reading from the given file at its present location. Vern  File: flex.info, Node: unnamed-faq-65, Next: unnamed-faq-66, Prev: unnamed-faq-64, Up: FAQ unnamed-faq-65 ============== To: hassan@larc.info.uqam.ca (Hassan Alaoui) Subject: Re: Need urgent Help In-reply-to: Your message of Sat, 20 Dec 1997 19:38:19 PST. Date: Sun, 21 Dec 1997 21:30:46 PST From: Vern Paxson > /usr/lib/yaccpar: In function `int yyparse()': > /usr/lib/yaccpar:184: warning: implicit declaration of function `int yylex(...)' > > ld: Undefined symbol > _yylex > _yyparse > _yyin This is a known problem with Solaris C++ (and/or Solaris yacc). I believe the fix is to explicitly insert some 'extern "C"' statements for the corresponding routines/symbols. Vern  File: flex.info, Node: unnamed-faq-66, Next: unnamed-faq-67, Prev: unnamed-faq-65, Up: FAQ unnamed-faq-66 ============== To: mc0307@mclink.it Cc: gnu@prep.ai.mit.edu Subject: Re: [mc0307@mclink.it: Help request] In-reply-to: Your message of Fri, 12 Dec 1997 17:57:29 PST. Date: Sun, 21 Dec 1997 22:33:37 PST From: Vern Paxson > This is my definition for float and integer types: > . . . > NZD [1-9] > ... > I've tested my program on other lex version (on UNIX Sun Solaris an HP > UNIX) and it work well, so I think that my definitions are correct. > There are any differences between Lex and Flex? There are indeed differences, as discussed in the man page. The one you are probably running into is that when flex expands a name definition, it puts parentheses around the expansion, while lex does not. There's an example in the man page of how this can lead to different matching. Flex's behavior complies with the POSIX standard (or at least with the last POSIX draft I saw). Vern  File: flex.info, Node: unnamed-faq-67, Next: unnamed-faq-68, Prev: unnamed-faq-66, Up: FAQ unnamed-faq-67 ============== To: hassan@larc.info.uqam.ca (Hassan Alaoui) Subject: Re: Thanks In-reply-to: Your message of Mon, 22 Dec 1997 16:06:35 PST. Date: Mon, 22 Dec 1997 14:35:05 PST From: Vern Paxson > Thank you very much for your help. I compile and link well with C++ while > declaring 'yylex ...' extern, But a little problem remains. I get a > segmentation default when executing ( I linked with lfl library) while it > works well when using LEX instead of flex. Do you have some ideas about the > reason for this ? The one possible reason for this that comes to mind is if you've defined yytext as "extern char yytext[]" (which is what lex uses) instead of "extern char *yytext" (which is what flex uses). If it's not that, then I'm afraid I don't know what the problem might be. Vern  File: flex.info, Node: unnamed-faq-68, Next: unnamed-faq-69, Prev: unnamed-faq-67, Up: FAQ unnamed-faq-68 ============== To: "Bart Niswonger" Subject: Re: flex 2.5: c++ scanners & start conditions In-reply-to: Your message of Tue, 06 Jan 1998 10:34:21 PST. Date: Tue, 06 Jan 1998 19:19:30 PST From: Vern Paxson > The problem is that when I do this (using %option c++) start > conditions seem to not apply. The BEGIN macro modifies the yy_start variable. For C scanners, this is a static with scope visible through the whole file. For C++ scanners, it's a member variable, so it only has visible scope within a member function. Your lexbegin() routine is not a member function when you build a C++ scanner, so it's not modifying the correct yy_start. The diagnostic that indicates this is that you found you needed to add a declaration of yy_start in order to get your scanner to compile when using C++; instead, the correct fix is to make lexbegin() a member function (by deriving from yyFlexLexer). Vern  File: flex.info, Node: unnamed-faq-69, Next: unnamed-faq-70, Prev: unnamed-faq-68, Up: FAQ unnamed-faq-69 ============== To: "Boris Zinin" Subject: Re: current position in flex buffer In-reply-to: Your message of Mon, 12 Jan 1998 18:58:23 PST. Date: Mon, 12 Jan 1998 12:03:15 PST From: Vern Paxson > The problem is how to determine the current position in flex active > buffer when a rule is matched.... You will need to keep track of this explicitly, such as by redefining YY_USER_ACTION to count the number of characters matched. The latest flex release, by the way, is 2.5.4, available from ftp.ee.lbl.gov. Vern  File: flex.info, Node: unnamed-faq-70, Next: unnamed-faq-71, Prev: unnamed-faq-69, Up: FAQ unnamed-faq-70 ============== To: Bik.Dhaliwal@bis.org Subject: Re: Flex question In-reply-to: Your message of Mon, 26 Jan 1998 13:05:35 PST. Date: Tue, 27 Jan 1998 22:41:52 PST From: Vern Paxson > That requirement involves knowing > the character position at which a particular token was matched > in the lexer. The way you have to do this is by explicitly keeping track of where you are in the file, by counting the number of characters scanned for each token (available in yyleng). It may prove convenient to do this by redefining YY_USER_ACTION, as described in the manual. Vern  File: flex.info, Node: unnamed-faq-71, Next: unnamed-faq-72, Prev: unnamed-faq-70, Up: FAQ unnamed-faq-71 ============== To: Vladimir Alexiev Subject: Re: flex: how to control start condition from parser? In-reply-to: Your message of Mon, 26 Jan 1998 05:50:16 PST. Date: Tue, 27 Jan 1998 22:45:37 PST From: Vern Paxson > It seems useful for the parser to be able to tell the lexer about such > context dependencies, because then they don't have to be limited to > local or sequential context. One way to do this is to have the parser call a stub routine that's included in the scanner's .l file, and consequently that has access ot BEGIN. The only ugliness is that the parser can't pass in the state it wants, because those aren't visible - but if you don't have many such states, then using a different set of names doesn't seem like to much of a burden. While generating a .h file like you suggests is certainly cleaner, flex development has come to a virtual stand-still :-(, so a workaround like the above is much more pragmatic than waiting for a new feature. Vern  File: flex.info, Node: unnamed-faq-72, Next: unnamed-faq-73, Prev: unnamed-faq-71, Up: FAQ unnamed-faq-72 ============== To: Barbara Denny Subject: Re: freebsd flex bug? In-reply-to: Your message of Fri, 30 Jan 1998 12:00:43 PST. Date: Fri, 30 Jan 1998 12:42:32 PST From: Vern Paxson > lex.yy.c:1996: parse error before `=' This is the key, identifying this error. (It may help to pinpoint it by using flex -L, so it doesn't generate #line directives in its output.) I will bet you heavy money that you have a start condition name that is also a variable name, or something like that; flex spits out #define's for each start condition name, mapping them to a number, so you can wind up with: %x foo %% ... %% void bar() { int foo = 3; } and the penultimate will turn into "int 1 = 3" after C preprocessing, since flex will put "#define foo 1" in the generated scanner. Vern  File: flex.info, Node: unnamed-faq-73, Next: unnamed-faq-74, Prev: unnamed-faq-72, Up: FAQ unnamed-faq-73 ============== To: Maurice Petrie Subject: Re: Lost flex .l file In-reply-to: Your message of Mon, 02 Feb 1998 14:10:01 PST. Date: Mon, 02 Feb 1998 11:15:12 PST From: Vern Paxson > I am curious as to > whether there is a simple way to backtrack from the generated source to > reproduce the lost list of tokens we are searching on. In theory, it's straight-forward to go from the DFA representation back to a regular-expression representation - the two are isomorphic. In practice, a huge headache, because you have to unpack all the tables back into a single DFA representation, and then write a program to munch on that and translate it into an RE. Sorry for the less-than-happy news ... Vern  File: flex.info, Node: unnamed-faq-74, Next: unnamed-faq-75, Prev: unnamed-faq-73, Up: FAQ unnamed-faq-74 ============== To: jimmey@lexis-nexis.com (Jimmey Todd) Subject: Re: Flex performance question In-reply-to: Your message of Thu, 19 Feb 1998 11:01:17 PST. Date: Thu, 19 Feb 1998 08:48:51 PST From: Vern Paxson > What I have found, is that the smaller the data chunk, the faster the > program executes. This is the opposite of what I expected. Should this be > happening this way? This is exactly what will happen if your input file has embedded NULs. From the man page: A final note: flex is slow when matching NUL's, particularly when a token contains multiple NUL's. It's best to write rules which match short amounts of text if it's anticipated that the text will often include NUL's. So that's the first thing to look for. Vern  File: flex.info, Node: unnamed-faq-75, Next: unnamed-faq-76, Prev: unnamed-faq-74, Up: FAQ unnamed-faq-75 ============== To: jimmey@lexis-nexis.com (Jimmey Todd) Subject: Re: Flex performance question In-reply-to: Your message of Thu, 19 Feb 1998 11:01:17 PST. Date: Thu, 19 Feb 1998 15:42:25 PST From: Vern Paxson So there are several problems. First, to go fast, you want to match as much text as possible, which your scanners don't in the case that what they're scanning is *not* a tag. So you want a rule like: [^<]+ Second, C++ scanners are particularly slow if they're interactive, which they are by default. Using -B speeds it up by a factor of 3-4 on my workstation. Third, C++ scanners that use the istream interface are slow, because of how poorly implemented istream's are. I built two versions of the following scanner: %% .*\n .* %% and the C version inhales a 2.5MB file on my workstation in 0.8 seconds. The C++ istream version, using -B, takes 3.8 seconds. Vern  File: flex.info, Node: unnamed-faq-76, Next: unnamed-faq-77, Prev: unnamed-faq-75, Up: FAQ unnamed-faq-76 ============== To: "Frescatore, David (CRD, TAD)" Subject: Re: FLEX 2.5 & THE YEAR 2000 In-reply-to: Your message of Wed, 03 Jun 1998 11:26:22 PDT. Date: Wed, 03 Jun 1998 10:22:26 PDT From: Vern Paxson > I am researching the Y2K problem with General Electric R&D > and need to know if there are any known issues concerning > the above mentioned software and Y2K regardless of version. There shouldn't be, all it ever does with the date is ask the system for it and then print it out. Vern  File: flex.info, Node: unnamed-faq-77, Next: unnamed-faq-78, Prev: unnamed-faq-76, Up: FAQ unnamed-faq-77 ============== To: "Hans Dermot Doran" Subject: Re: flex problem In-reply-to: Your message of Wed, 15 Jul 1998 21:30:13 PDT. Date: Tue, 21 Jul 1998 14:23:34 PDT From: Vern Paxson > To overcome this, I gets() the stdin into a string and lex the string. The > string is lexed OK except that the end of string isn't lexed properly > (yy_scan_string()), that is the lexer dosn't recognise the end of string. Flex doesn't contain mechanisms for recognizing buffer endpoints. But if you use fgets instead (which you should anyway, to protect against buffer overflows), then the final \n will be preserved in the string, and you can scan that in order to find the end of the string. Vern  File: flex.info, Node: unnamed-faq-78, Next: unnamed-faq-79, Prev: unnamed-faq-77, Up: FAQ unnamed-faq-78 ============== To: soumen@almaden.ibm.com Subject: Re: Flex++ 2.5.3 instance member vs. static member In-reply-to: Your message of Mon, 27 Jul 1998 02:10:04 PDT. Date: Tue, 28 Jul 1998 01:10:34 PDT From: Vern Paxson > %{ > int mylineno = 0; > %} > ws [ \t]+ > alpha [A-Za-z] > dig [0-9] > %% > > Now you'd expect mylineno to be a member of each instance of class > yyFlexLexer, but is this the case? A look at the lex.yy.cc file seems to > indicate otherwise; unless I am missing something the declaration of > mylineno seems to be outside any class scope. > > How will this work if I want to run a multi-threaded application with each > thread creating a FlexLexer instance? Derive your own subclass and make mylineno a member variable of it. Vern  File: flex.info, Node: unnamed-faq-79, Next: unnamed-faq-80, Prev: unnamed-faq-78, Up: FAQ unnamed-faq-79 ============== To: Adoram Rogel Subject: Re: More than 32K states change hangs In-reply-to: Your message of Tue, 04 Aug 1998 16:55:39 PDT. Date: Tue, 04 Aug 1998 22:28:45 PDT From: Vern Paxson > Vern Paxson, > > I followed your advice, posted on Usenet bu you, and emailed to me > personally by you, on how to overcome the 32K states limit. I'm running > on Linux machines. > I took the full source of version 2.5.4 and did the following changes in > flexdef.h: > #define JAMSTATE -327660 > #define MAXIMUM_MNS 319990 > #define BAD_SUBSCRIPT -327670 > #define MAX_SHORT 327000 > > and compiled. > All looked fine, including check and bigcheck, so I installed. Hmmm, you shouldn't increase MAX_SHORT, though looking through my email archives I see that I did indeed recommend doing so. Try setting it back to 32700; that should suffice that you no longer need -Ca. If it still hangs, then the interesting question is - where? > Compiling the same hanged program with a out-of-the-box (RedHat 4.2 > distribution of Linux) > flex 2.5.4 binary works. Since Linux comes with source code, you should diff it against what you have to see what problems they missed. > Should I always compile with the -Ca option now ? even short and simple > filters ? No, definitely not. It's meant to be for those situations where you absolutely must squeeze every last cycle out of your scanner. Vern  File: flex.info, Node: unnamed-faq-80, Next: unnamed-faq-81, Prev: unnamed-faq-79, Up: FAQ unnamed-faq-80 ============== To: "Schmackpfeffer, Craig" Subject: Re: flex output for static code portion In-reply-to: Your message of Tue, 11 Aug 1998 11:55:30 PDT. Date: Mon, 17 Aug 1998 23:57:42 PDT From: Vern Paxson > I would like to use flex under the hood to generate a binary file > containing the data structures that control the parse. This has been on the wish-list for a long time. In principle it's straight-forward - you redirect mkdata() et al's I/O to another file, and modify the skeleton to have a start-up function that slurps these into dynamic arrays. The concerns are (1) the scanner generation code is hairy and full of corner cases, so it's easy to get surprised when going down this path :-( ; and (2) being careful about buffering so that when the tables change you make sure the scanner starts in the correct state and reading at the right point in the input file. > I was wondering if you know of anyone who has used flex in this way. I don't - but it seems like a reasonable project to undertake (unlike numerous other flex tweaks :-). Vern  File: flex.info, Node: unnamed-faq-81, Next: unnamed-faq-82, Prev: unnamed-faq-80, Up: FAQ unnamed-faq-81 ============== Received: from 131.173.17.11 (131.173.17.11 [131.173.17.11]) by ee.lbl.gov (8.9.1/8.9.1) with ESMTP id AAA03838 for ; Thu, 20 Aug 1998 00:47:57 -0700 (PDT) Received: from hal.cl-ki.uni-osnabrueck.de (hal.cl-ki.Uni-Osnabrueck.DE [131.173.141.2]) by deimos.rz.uni-osnabrueck.de (8.8.7/8.8.8) with ESMTP id JAA34694 for ; Thu, 20 Aug 1998 09:47:55 +0200 Received: (from georg@localhost) by hal.cl-ki.uni-osnabrueck.de (8.6.12/8.6.12) id JAA34834 for vern@ee.lbl.gov; Thu, 20 Aug 1998 09:47:54 +0200 From: Georg Rehm Message-Id: <199808200747.JAA34834@hal.cl-ki.uni-osnabrueck.de> Subject: "flex scanner push-back overflow" To: vern@ee.lbl.gov Date: Thu, 20 Aug 1998 09:47:54 +0200 (MEST) Reply-To: Georg.Rehm@CL-KI.Uni-Osnabrueck.DE X-NoJunk: Do NOT send commercial mail, spam or ads to this address! X-URL: http://www.cl-ki.uni-osnabrueck.de/~georg/ X-Mailer: ELM [version 2.4ME+ PL28 (25)] MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Hi Vern, Yesterday, I encountered a strange problem: I use the macro processor m4 to include some lengthy lists into a .l file. Following is a flex macro definition that causes some serious pain in my neck: AUTHOR ("A. Boucard / L. Boucard"|"A. Dastarac / M. Levent"|"A.Boucaud / L.Boucaud"|"Abderrahim Lamchichi"|"Achmat Dangor"|"Adeline Toullier"|"Adewale Maja-Pearce"|"Ahmed Ziri"|"Akram Ellyas"|"Alain Bihr"|"Alain Gresh"|"Alain Guillemoles"|"Alain Joxe"|"Alain Morice"|"Alain Renon"|"Alain Zecchini"|"Albert Memmi"|"Alberto Manguel"|"Alex De Waal"|"Alfonso Artico"| [...]) The complete list contains about 10kB. When I try to "flex" this file (on a Solaris 2.6 machine, using a modified flex 2.5.4 (I only increased some of the predefined values in flexdefs.h) I get the error: myflex/flex -8 sentag.tmp.l flex scanner push-back overflow When I remove the slashes in the macro definition everything works fine. As I understand it, the double quotes escape the slash-character so it really means "/" and not "trailing context". Furthermore, I tried to escape the slashes with backslashes, but with no use, the same error message appeared when flexing the code. Do you have an idea what's going on here? Greetings from Germany, Georg -- Georg Rehm georg@cl-ki.uni-osnabrueck.de Institute for Semantic Information Processing, University of Osnabrueck, FRG  File: flex.info, Node: unnamed-faq-82, Next: unnamed-faq-83, Prev: unnamed-faq-81, Up: FAQ unnamed-faq-82 ============== To: Georg.Rehm@CL-KI.Uni-Osnabrueck.DE Subject: Re: "flex scanner push-back overflow" In-reply-to: Your message of Thu, 20 Aug 1998 09:47:54 PDT. Date: Thu, 20 Aug 1998 07:05:35 PDT From: Vern Paxson > myflex/flex -8 sentag.tmp.l > flex scanner push-back overflow Flex itself uses a flex scanner. That scanner is running out of buffer space when it tries to unput() the humongous macro you've defined. When you remove the '/'s, you make it small enough so that it fits in the buffer; removing spaces would do the same thing. The fix is to either rethink how come you're using such a big macro and perhaps there's another/better way to do it; or to rebuild flex's own scan.c with a larger value for #define YY_BUF_SIZE 16384 - Vern  File: flex.info, Node: unnamed-faq-83, Next: unnamed-faq-84, Prev: unnamed-faq-82, Up: FAQ unnamed-faq-83 ============== To: Jan Kort Subject: Re: Flex In-reply-to: Your message of Fri, 04 Sep 1998 12:18:43 +0200. Date: Sat, 05 Sep 1998 00:59:49 PDT From: Vern Paxson > %% > > "TEST1\n" { fprintf(stderr, "TEST1\n"); yyless(5); } > ^\n { fprintf(stderr, "empty line\n"); } > . { } > \n { fprintf(stderr, "new line\n"); } > > %% > -- input --------------------------------------- > TEST1 > -- output -------------------------------------- > TEST1 > empty line > ------------------------------------------------ IMHO, it's not clear whether or not this is in fact a bug. It depends on whether you view yyless() as backing up in the input stream, or as pushing new characters onto the beginning of the input stream. Flex interprets it as the latter (for implementation convenience, I'll admit), and so considers the newline as in fact matching at the beginning of a line, as after all the last token scanned an entire line and so the scanner is now at the beginning of a new line. I agree that this is counter-intuitive for yyless(), given its functional description (it's less so for unput(), depending on whether you're unput()'ing new text or scanned text). But I don't plan to change it any time soon, as it's a pain to do so. Consequently, you do indeed need to use yy_set_bol() and YY_AT_BOL() to tweak your scanner into the behavior you desire. Sorry for the less-than-completely-satisfactory answer. Vern  File: flex.info, Node: unnamed-faq-84, Next: unnamed-faq-85, Prev: unnamed-faq-83, Up: FAQ unnamed-faq-84 ============== To: Patrick Krusenotto Subject: Re: Problems with restarting flex-2.5.2-generated scanner In-reply-to: Your message of Thu, 24 Sep 1998 10:14:07 PDT. Date: Thu, 24 Sep 1998 23:28:43 PDT From: Vern Paxson > I am using flex-2.5.2 and bison 1.25 for Solaris and I am desperately > trying to make my scanner restart with a new file after my parser stops > with a parse error. When my compiler restarts, the parser always > receives the token after the token (in the old file!) that caused the > parser error. I suspect the problem is that your parser has read ahead in order to attempt to resolve an ambiguity, and when it's restarted it picks up with that token rather than reading a fresh one. If you're using yacc, then the special "error" production can sometimes be used to consume tokens in an attempt to get the parser into a consistent state. Vern  File: flex.info, Node: unnamed-faq-85, Next: unnamed-faq-86, Prev: unnamed-faq-84, Up: FAQ unnamed-faq-85 ============== To: Henric Jungheim Subject: Re: flex 2.5.4a In-reply-to: Your message of Tue, 27 Oct 1998 16:41:42 PST. Date: Tue, 27 Oct 1998 16:50:14 PST From: Vern Paxson > This brings up a feature request: How about a command line > option to specify the filename when reading from stdin? That way one > doesn't need to create a temporary file in order to get the "#line" > directives to make sense. Use -o combined with -t (per the man page description of -o). > P.S., Is there any simple way to use non-blocking IO to parse multiple > streams? Simple, no. One approach might be to return a magic character on EWOULDBLOCK and have a rule .* // put back .*, eat magic character This is off the top of my head, not sure it'll work. Vern  File: flex.info, Node: unnamed-faq-86, Next: unnamed-faq-87, Prev: unnamed-faq-85, Up: FAQ unnamed-faq-86 ============== To: "Repko, Billy D" Subject: Re: Compiling scanners In-reply-to: Your message of Wed, 13 Jan 1999 10:52:47 PST. Date: Thu, 14 Jan 1999 00:25:30 PST From: Vern Paxson > It appears that maybe it cannot find the lfl library. The Makefile in the distribution builds it, so you should have it. It's exceedingly trivial, just a main() that calls yylex() and a yyrap() that always returns 1. > %% > \n ++num_lines; ++num_chars; > . ++num_chars; You can't indent your rules like this - that's where the errors are coming from. Flex copies indented text to the output file, it's how you do things like int num_lines_seen = 0; to declare local variables. Vern  File: flex.info, Node: unnamed-faq-87, Next: unnamed-faq-88, Prev: unnamed-faq-86, Up: FAQ unnamed-faq-87 ============== To: Erick Branderhorst Subject: Re: flex input buffer In-reply-to: Your message of Tue, 09 Feb 1999 13:53:46 PST. Date: Tue, 09 Feb 1999 21:03:37 PST From: Vern Paxson > In the flex.skl file the size of the default input buffers is set. Can you > explain why this size is set and why it is such a high number. It's large to optimize performance when scanning large files. You can safely make it a lot lower if needed. Vern  File: flex.info, Node: unnamed-faq-88, Next: unnamed-faq-90, Prev: unnamed-faq-87, Up: FAQ unnamed-faq-88 ============== To: "Guido Minnen" Subject: Re: Flex error message In-reply-to: Your message of Wed, 24 Feb 1999 15:31:46 PST. Date: Thu, 25 Feb 1999 00:11:31 PST From: Vern Paxson > I'm extending a larger scanner written in Flex and I keep running into > problems. More specifically, I get the error message: > "flex: input rules are too complicated (>= 32000 NFA states)" Increase the definitions in flexdef.h for: #define JAMSTATE -32766 /* marks a reference to the state that always j ams */ #define MAXIMUM_MNS 31999 #define BAD_SUBSCRIPT -32767 recompile everything, and it should all work. Vern  File: flex.info, Node: unnamed-faq-90, Next: unnamed-faq-91, Prev: unnamed-faq-88, Up: FAQ unnamed-faq-90 ============== To: "Dmitriy Goldobin" Subject: Re: FLEX trouble In-reply-to: Your message of Mon, 31 May 1999 18:44:49 PDT. Date: Tue, 01 Jun 1999 00:15:07 PDT From: Vern Paxson > I have a trouble with FLEX. Why rule "/*".*"*/" work properly,=20 > but rule "/*"(.|\n)*"*/" don't work ? The second of these will have to scan the entire input stream (because "(.|\n)*" matches an arbitrary amount of any text) in order to see if it ends with "*/", terminating the comment. That potentially will overflow the input buffer. > More complex rule "/*"([^*]|(\*/[^/]))*"*/ give an error > 'unrecognized rule'. You can't use the '/' operator inside parentheses. It's not clear what "(a/b)*" actually means. > I now use workaround with state , but single-rule is > better, i think. Single-rule is nice but will always have the problem of either setting restrictions on comments (like not allowing multi-line comments) and/or running the risk of consuming the entire input stream, as noted above. Vern  File: flex.info, Node: unnamed-faq-91, Next: unnamed-faq-92, Prev: unnamed-faq-90, Up: FAQ unnamed-faq-91 ============== Received: from mc-qout4.whowhere.com (mc-qout4.whowhere.com [209.185.123.18]) by ee.lbl.gov (8.9.3/8.9.3) with SMTP id IAA05100 for ; Tue, 15 Jun 1999 08:56:06 -0700 (PDT) Received: from Unknown/Local ([?.?.?.?]) by my-deja.com; Tue Jun 15 08:55:43 1999 To: vern@ee.lbl.gov Date: Tue, 15 Jun 1999 08:55:43 -0700 From: "Aki Niimura" Message-ID: Mime-Version: 1.0 Cc: X-Sent-Mail: on Reply-To: X-Mailer: MailCity Service Subject: A question on flex C++ scanner X-Sender-Ip: 12.72.207.61 Organization: My Deja Email (http://www.my-deja.com:80) Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Dear Dr. Paxon, I have been using flex for years. It works very well on many projects. Most case, I used it to generate a scanner on C language. However, one project I needed to generate a scanner on C++ lanuage. Thanks to your enhancement, flex did the job. Currently, I'm working on enhancing my previous project. I need to deal with multiple input streams (recursive inclusion) in this scanner (C++). I did similar thing for another scanner (C) as you explained in your documentation. The generated scanner (C++) has necessary methods: - switch_to_buffer(struct yy_buffer_state *b) - yy_create_buffer(istream *is, int sz) - yy_delete_buffer(struct yy_buffer_state *b) However, I couldn't figure out how to access current buffer (yy_current_buffer). yy_current_buffer is a protected member of yyFlexLexer. I can't access it directly. Then, I thought yy_create_buffer() with is = 0 might return current stream buffer. But it seems not as far as I checked the source. (flex 2.5.4) I went through the Web in addition to Flex documentation. However, it hasn't been successful, so far. It is not my intention to bother you, but, can you comment about how to obtain the current stream buffer? Your response would be highly appreciated. Best regards, Aki Niimura --== Sent via Deja.com http://www.deja.com/ ==-- Share what you know. Learn what you don't.  File: flex.info, Node: unnamed-faq-92, Next: unnamed-faq-93, Prev: unnamed-faq-91, Up: FAQ unnamed-faq-92 ============== To: neko@my-deja.com Subject: Re: A question on flex C++ scanner In-reply-to: Your message of Tue, 15 Jun 1999 08:55:43 PDT. Date: Tue, 15 Jun 1999 09:04:24 PDT From: Vern Paxson > However, I couldn't figure out how to access current > buffer (yy_current_buffer). Derive your own subclass from yyFlexLexer. Vern  File: flex.info, Node: unnamed-faq-93, Next: unnamed-faq-94, Prev: unnamed-faq-92, Up: FAQ unnamed-faq-93 ============== To: "Stones, Darren" Subject: Re: You're the man to see? In-reply-to: Your message of Wed, 23 Jun 1999 11:10:29 PDT. Date: Wed, 23 Jun 1999 09:01:40 PDT From: Vern Paxson > I hope you can help me. I am using Flex and Bison to produce an interpreted > language. However all goes well until I try to implement an IF statement or > a WHILE. I cannot get this to work as the parser parses all the conditions > eg. the TRUE and FALSE conditons to check for a rule match. So I cannot > make a decision!! You need to use the parser to build a parse tree (= abstract syntax trwee), and when that's all done you recursively evaluate the tree, binding variables to values at that time. Vern  File: flex.info, Node: unnamed-faq-94, Next: unnamed-faq-95, Prev: unnamed-faq-93, Up: FAQ unnamed-faq-94 ============== To: Petr Danecek Subject: Re: flex - question In-reply-to: Your message of Mon, 28 Jun 1999 19:21:41 PDT. Date: Fri, 02 Jul 1999 16:52:13 PDT From: Vern Paxson > file, it takes an enormous amount of time. It is funny, because the > source code has only 12 rules!!! I think it looks like an exponencial > growth. Right, that's the problem - some patterns (those with a lot of ambiguity, where yours has because at any given time the scanner can be in the middle of all sorts of combinations of the different rules) blow up exponentially. For your rules, there is an easy fix. Change the ".*" that comes fater the directory name to "[^ ]*". With that in place, the rules are no longer nearly so ambiguous, because then once one of the directories has been matched, no other can be matched (since they all require a leading blank). If that's not an acceptable solution, then you can enter a start state to pick up the .*\n after each directory is matched. Also note that for speed, you'll want to add a ".*" rule at the end, otherwise rules that don't match any of the patterns will be matched very slowly, a character at a time. Vern  File: flex.info, Node: unnamed-faq-95, Next: unnamed-faq-96, Prev: unnamed-faq-94, Up: FAQ unnamed-faq-95 ============== To: Tielman Koekemoer Subject: Re: Please help. In-reply-to: Your message of Thu, 08 Jul 1999 13:20:37 PDT. Date: Thu, 08 Jul 1999 08:20:39 PDT From: Vern Paxson > I was hoping you could help me with my problem. > > I tried compiling (gnu)flex on a Solaris 2.4 machine > but when I ran make (after configure) I got an error. > > -------------------------------------------------------------- > gcc -c -I. -I. -g -O parse.c > ./flex -t -p ./scan.l >scan.c > sh: ./flex: not found > *** Error code 1 > make: Fatal error: Command failed for target `scan.c' > ------------------------------------------------------------- > > What's strange to me is that I'm only > trying to install flex now. I then edited the Makefile to > and changed where it says "FLEX = flex" to "FLEX = lex" > ( lex: the native Solaris one ) but then it complains about > the "-p" option. Is there any way I can compile flex without > using flex or lex? > > Thanks so much for your time. You managed to step on the bootstrap sequence, which first copies initscan.c to scan.c in order to build flex. Try fetching a fresh distribution from ftp.ee.lbl.gov. (Or you can first try removing ".bootstrap" and doing a make again.) Vern  File: flex.info, Node: unnamed-faq-96, Next: unnamed-faq-97, Prev: unnamed-faq-95, Up: FAQ unnamed-faq-96 ============== To: Tielman Koekemoer Subject: Re: Please help. In-reply-to: Your message of Fri, 09 Jul 1999 09:16:14 PDT. Date: Fri, 09 Jul 1999 00:27:20 PDT From: Vern Paxson > First I removed .bootstrap (and ran make) - no luck. I downloaded the > software but I still have the same problem. Is there anything else I > could try. Try: cp initscan.c scan.c touch scan.c make scan.o If this last tries to first build scan.c from scan.l using ./flex, then your "make" is broken, in which case compile scan.c to scan.o by hand. Vern  File: flex.info, Node: unnamed-faq-97, Next: unnamed-faq-98, Prev: unnamed-faq-96, Up: FAQ unnamed-faq-97 ============== To: Sumanth Kamenani Subject: Re: Error In-reply-to: Your message of Mon, 19 Jul 1999 23:08:41 PDT. Date: Tue, 20 Jul 1999 00:18:26 PDT From: Vern Paxson > I am getting a compilation error. The error is given as "unknown symbol- yylex". The parser relies on calling yylex(), but you're instead using the C++ scanning class, so you need to supply a yylex() "glue" function that calls an instance scanner of the scanner (e.g., "scanner->yylex()"). Vern  File: flex.info, Node: unnamed-faq-98, Next: unnamed-faq-99, Prev: unnamed-faq-97, Up: FAQ unnamed-faq-98 ============== To: daniel@synchrods.synchrods.COM (Daniel Senderowicz) Subject: Re: lex In-reply-to: Your message of Mon, 22 Nov 1999 11:19:04 PST. Date: Tue, 23 Nov 1999 15:54:30 PST From: Vern Paxson Well, your problem is the switch (yybgin-yysvec-1) { /* witchcraft */ at the beginning of lex rules. "witchcraft" == "non-portable". It's assuming knowledge of the AT&T lex's internal variables. For flex, you can probably do the equivalent using a switch on YYSTATE. Vern  File: flex.info, Node: unnamed-faq-99, Next: unnamed-faq-100, Prev: unnamed-faq-98, Up: FAQ unnamed-faq-99 ============== To: archow@hss.hns.com Subject: Re: Regarding distribution of flex and yacc based grammars In-reply-to: Your message of Sun, 19 Dec 1999 17:50:24 +0530. Date: Wed, 22 Dec 1999 01:56:24 PST From: Vern Paxson > When we provide the customer with an object code distribution, is it > necessary for us to provide source > for the generated C files from flex and bison since they are generated by > flex and bison ? For flex, no. I don't know what the current state of this is for bison. > Also, is there any requrirement for us to neccessarily provide source for > the grammar files which are fed into flex and bison ? Again, for flex, no. See the file "COPYING" in the flex distribution for the legalese. Vern  File: flex.info, Node: unnamed-faq-100, Next: unnamed-faq-101, Prev: unnamed-faq-99, Up: FAQ unnamed-faq-100 =============== To: Martin Gallwey Subject: Re: Flex, and self referencing rules In-reply-to: Your message of Sun, 20 Feb 2000 01:01:21 PST. Date: Sat, 19 Feb 2000 18:33:16 PST From: Vern Paxson > However, I do not use unput anywhere. I do use self-referencing > rules like this: > > UnaryExpr ({UnionExpr})|("-"{UnaryExpr}) You can't do this - flex is *not* a parser like yacc (which does indeed allow recursion), it is a scanner that's confined to regular expressions. Vern  File: flex.info, Node: unnamed-faq-101, Next: What is the difference between YYLEX_PARAM and YY_DECL?, Prev: unnamed-faq-100, Up: FAQ unnamed-faq-101 =============== To: slg3@lehigh.edu (SAMUEL L. GULDEN) Subject: Re: Flex problem In-reply-to: Your message of Thu, 02 Mar 2000 12:29:04 PST. Date: Thu, 02 Mar 2000 23:00:46 PST From: Vern Paxson If this is exactly your program: > digit [0-9] > digits {digit}+ > whitespace [ \t\n]+ > > %% > "[" { printf("open_brac\n");} > "]" { printf("close_brac\n");} > "+" { printf("addop\n");} > "*" { printf("multop\n");} > {digits} { printf("NUMBER = %s\n", yytext);} > whitespace ; then the problem is that the last rule needs to be "{whitespace}" ! Vern  File: flex.info, Node: What is the difference between YYLEX_PARAM and YY_DECL?, Next: Why do I get "conflicting types for yylex" error?, Prev: unnamed-faq-101, Up: FAQ What is the difference between YYLEX_PARAM and YY_DECL? ======================================================= YYLEX_PARAM is not a flex symbol. It is for Bison. It tells Bison to pass extra params when it calls yylex() from the parser. YY_DECL is the Flex declaration of yylex. The default is similar to this: #define int yy_lex ()  File: flex.info, Node: Why do I get "conflicting types for yylex" error?, Next: How do I access the values set in a Flex action from within a Bison action?, Prev: What is the difference between YYLEX_PARAM and YY_DECL?, Up: FAQ Why do I get "conflicting types for yylex" error? ================================================= This is a compiler error regarding a generated Bison parser, not a Flex scanner. It means you need a prototype of yylex() in the top of the Bison file. Be sure the prototype matches YY_DECL.  File: flex.info, Node: How do I access the values set in a Flex action from within a Bison action?, Prev: Why do I get "conflicting types for yylex" error?, Up: FAQ How do I access the values set in a Flex action from within a Bison action? =========================================================================== With $1, $2, $3, etc. These are called "Semantic Values" in the Bison manual. See *Note Top: (bison)Top.  File: flex.info, Node: Appendices, Next: Indices, Prev: FAQ, Up: Top Appendix A Appendices ********************* * Menu: * Makefiles and Flex:: * Bison Bridge:: * M4 Dependency:: * Common Patterns::  File: flex.info, Node: Makefiles and Flex, Next: Bison Bridge, Prev: Appendices, Up: Appendices A.1 Makefiles and Flex ====================== In this appendix, we provide tips for writing Makefiles to build your scanners. In a traditional build environment, we say that the `.c' files are the sources, and the `.o' files are the intermediate files. When using `flex', however, the `.l' files are the sources, and the generated `.c' files (along with the `.o' files) are the intermediate files. This requires you to carefully plan your Makefile. Modern `make' programs understand that `foo.l' is intended to generate `lex.yy.c' or `foo.c', and will behave accordingly(1)(2). The following Makefile does not explicitly instruct `make' how to build `foo.c' from `foo.l'. Instead, it relies on the implicit rules of the `make' program to build the intermediate file, `scan.c': # Basic Makefile -- relies on implicit rules # Creates "myprogram" from "scan.l" and "myprogram.c" # LEX=flex myprogram: scan.o myprogram.o scan.o: scan.l For simple cases, the above may be sufficient. For other cases, you may have to explicitly instruct `make' how to build your scanner. The following is an example of a Makefile containing explicit rules: # Basic Makefile -- provides explicit rules # Creates "myprogram" from "scan.l" and "myprogram.c" # LEX=flex myprogram: scan.o myprogram.o $(CC) -o $@ $(LDFLAGS) $^ myprogram.o: myprogram.c $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $^ scan.o: scan.c $(CC) $(CPPFLAGS) $(CFLAGS) -o $@ -c $^ scan.c: scan.l $(LEX) $(LFLAGS) -o $@ $^ clean: $(RM) *.o scan.c Notice in the above example that `scan.c' is in the `clean' target. This is because we consider the file `scan.c' to be an intermediate file. Finally, we provide a realistic example of a `flex' scanner used with a `bison' parser(3). There is a tricky problem we have to deal with. Since a `flex' scanner will typically include a header file (e.g., `y.tab.h') generated by the parser, we need to be sure that the header file is generated BEFORE the scanner is compiled. We handle this case in the following example: # Makefile example -- scanner and parser. # Creates "myprogram" from "scan.l", "parse.y", and "myprogram.c" # LEX = flex YACC = bison -y YFLAGS = -d objects = scan.o parse.o myprogram.o myprogram: $(objects) scan.o: scan.l parse.c parse.o: parse.y myprogram.o: myprogram.c In the above example, notice the line, scan.o: scan.l parse.c , which lists the file `parse.c' (the generated parser) as a dependency of `scan.o'. We want to ensure that the parser is created before the scanner is compiled, and the above line seems to do the trick. Feel free to experiment with your specific implementation of `make'. For more details on writing Makefiles, see *Note Top: (make)Top. ---------- Footnotes ---------- (1) GNU `make' and GNU `automake' are two such programs that provide implicit rules for flex-generated scanners. (2) GNU `automake' may generate code to execute flex in lex-compatible mode, or to stdout. If this is not what you want, then you should provide an explicit rule in your Makefile.am (3) This example also applies to yacc parsers.  File: flex.info, Node: Bison Bridge, Next: M4 Dependency, Prev: Makefiles and Flex, Up: Appendices A.2 C Scanners with Bison Parsers ================================= This section describes the `flex' features useful when integrating `flex' with `GNU bison'(1). Skip this section if you are not using `bison' with your scanner. Here we discuss only the `flex' half of the `flex' and `bison' pair. We do not discuss `bison' in any detail. For more information about generating `bison' parsers, see *Note Top: (bison)Top. A compatible `bison' scanner is generated by declaring `%option bison-bridge' or by supplying `--bison-bridge' when invoking `flex' from the command line. This instructs `flex' that the macro `yylval' may be used. The data type for `yylval', `YYSTYPE', is typically defined in a header file, included in section 1 of the `flex' input file. For a list of functions and macros available, *Note bison-functions::. The declaration of yylex becomes, int yylex ( YYSTYPE * lvalp, yyscan_t scanner ); If `%option bison-locations' is specified, then the declaration becomes, int yylex ( YYSTYPE * lvalp, YYLTYPE * llocp, yyscan_t scanner ); Note that the macros `yylval' and `yylloc' evaluate to pointers. Support for `yylloc' is optional in `bison', so it is optional in `flex' as well. The following is an example of a `flex' scanner that is compatible with `bison'. /* Scanner for "C" assignment statements... sort of. */ %{ #include "y.tab.h" /* Generated by bison. */ %} %option bison-bridge bison-locations % [[:digit:]]+ { yylval->num = atoi(yytext); return NUMBER;} [[:alnum:]]+ { yylval->str = strdup(yytext); return STRING;} "="|";" { return yytext[0];} . {} % As you can see, there really is no magic here. We just use `yylval' as we would any other variable. The data type of `yylval' is generated by `bison', and included in the file `y.tab.h'. Here is the corresponding `bison' parser: /* Parser to convert "C" assignments to lisp. */ %{ /* Pass the argument to yyparse through to yylex. */ #define YYPARSE_PARAM scanner #define YYLEX_PARAM scanner %} %locations %pure_parser %union { int num; char* str; } %token STRING %token NUMBER %% assignment: STRING '=' NUMBER ';' { printf( "(setf %s %d)", $1, $3 ); } ; ---------- Footnotes ---------- (1) The features described here are purely optional, and are by no means the only way to use flex with bison. We merely provide some glue to ease development of your parser-scanner pair.  File: flex.info, Node: M4 Dependency, Next: Common Patterns, Prev: Bison Bridge, Up: Appendices A.3 M4 Dependency ================= The macro processor `m4'(1) must be installed wherever flex is installed. `flex' invokes `m4', found by searching the directories in the `PATH' environment variable. Any code you place in section 1 or in the actions will be sent through m4. Please follow these rules to protect your code from unwanted `m4' processing. * Do not use symbols that begin with, `m4_', such as, `m4_define', or `m4_include', since those are reserved for `m4' macro names. If for some reason you need m4_ as a prefix, use a preprocessor #define to get your symbol past m4 unmangled. * Do not use the strings `[[' or `]]' anywhere in your code. The former is not valid in C, except within comments and strings, but the latter is valid in code such as `x[y[z]]'. The solution is simple. To get the literal string `"]]"', use `"]""]"'. To get the array notation `x[y[z]]', use `x[y[z] ]'. Flex will attempt to detect these sequences in user code, and escape them. However, it's best to avoid this complexity where possible, by removing such sequences from your code. `m4' is only required at the time you run `flex'. The generated scanner is ordinary C or C++, and does _not_ require `m4'. ---------- Footnotes ---------- (1) The use of m4 is subject to change in future revisions of flex. It is not part of the public API of flex. Do not depend on it.  File: flex.info, Node: Common Patterns, Prev: M4 Dependency, Up: Appendices A.4 Common Patterns =================== This appendix provides examples of common regular expressions you might use in your scanner. * Menu: * Numbers:: * Identifiers:: * Quoted Constructs:: * Addresses::  File: flex.info, Node: Numbers, Next: Identifiers, Up: Common Patterns A.4.1 Numbers ------------- C99 decimal constant `([[:digit:]]{-}[0])[[:digit:]]*' C99 hexadecimal constant `0[xX][[:xdigit:]]+' C99 octal constant `0[0123456]*' C99 floating point constant {dseq} ([[:digit:]]+) {dseq_opt} ([[:digit:]]*) {frac} (({dseq_opt}"."{dseq})|{dseq}".") {exp} ([eE][+-]?{dseq}) {exp_opt} ({exp}?) {fsuff} [flFL] {fsuff_opt} ({fsuff}?) {hpref} (0[xX]) {hdseq} ([[:xdigit:]]+) {hdseq_opt} ([[:xdigit:]]*) {hfrac} (({hdseq_opt}"."{hdseq})|({hdseq}".")) {bexp} ([pP][+-]?{dseq}) {dfc} (({frac}{exp_opt}{fsuff_opt})|({dseq}{exp}{fsuff_opt})) {hfc} (({hpref}{hfrac}{bexp}{fsuff_opt})|({hpref}{hdseq}{bexp}{fsuff_opt})) {c99_floating_point_constant} ({dfc}|{hfc}) See C99 section 6.4.4.2 for the gory details.  File: flex.info, Node: Identifiers, Next: Quoted Constructs, Prev: Numbers, Up: Common Patterns A.4.2 Identifiers ----------------- C99 Identifier ucn ((\\u([[:xdigit:]]{4}))|(\\U([[:xdigit:]]{8}))) nondigit [_[:alpha:]] c99_id ([_[:alpha:]]|{ucn})([_[:alnum:]]|{ucn})* Technically, the above pattern does not encompass all possible C99 identifiers, since C99 allows for "implementation-defined" characters. In practice, C compilers follow the above pattern, with the addition of the `$' character. UTF-8 Encoded Unicode Code Point [\x09\x0A\x0D\x20-\x7E]|[\xC2-\xDF][\x80-\xBF]|\xE0[\xA0-\xBF][\x80-\xBF]|[\xE1-\xEC\xEE\xEF]([\x80-\xBF]{2})|\xED[\x80-\x9F][\x80-\xBF]|\xF0[\x90-\xBF]([\x80-\xBF]{2})|[\xF1-\xF3]([\x80-\xBF]{3})|\xF4[\x80-\x8F]([\x80-\xBF]{2})  File: flex.info, Node: Quoted Constructs, Next: Addresses, Prev: Identifiers, Up: Common Patterns A.4.3 Quoted Constructs ----------------------- C99 String Literal `L?\"([^\"\\\n]|(\\['\"?\\abfnrtv])|(\\([0123456]{1,3}))|(\\x[[:xdigit:]]+)|(\\u([[:xdigit:]]{4}))|(\\U([[:xdigit:]]{8})))*\"' C99 Comment `("/*"([^*]|"*"[^/])*"*/")|("/"(\\\n)*"/"[^\n]*)' Note that in C99, a `//'-style comment may be split across lines, and, contrary to popular belief, does not include the trailing `\n' character. A better way to scan `/* */' comments is by line, rather than matching possibly huge comments all at once. This will allow you to scan comments of unlimited length, as long as line breaks appear at sane intervals. This is also more efficient when used with automatic line number processing. *Note option-yylineno::. { "/*" BEGIN(COMMENT); } { "*/" BEGIN(0); [^*\n]+ ; "*"[^/] ; \n ; }  File: flex.info, Node: Addresses, Prev: Quoted Constructs, Up: Common Patterns A.4.4 Addresses --------------- IPv4 Address `(([[:digit:]]{1,3}"."){3}([[:digit:]]{1,3}))' IPv6 Address hex4 ([[:xdigit:]]{1,4}) hexseq ({hex4}(:{hex4}*)) hexpart ({hexseq}|({hexseq}::({hexseq}?))|::{hexseq}) IPv6address ({hexpart}(":"{IPv4address})?) See RFC2373 for details. URI `(([^:/?#]+):)?("//"([^/?#]*))?([^?#]*)(\?([^#]*))?(#(.*))?' This pattern is nearly useless, since it allows just about any character to appear in a URI, including spaces and control characters. See RFC2396 for details.  File: flex.info, Node: Indices, Prev: Appendices, Up: Top Indices ******* * Menu: * Concept Index:: * Index of Functions and Macros:: * Index of Variables:: * Index of Data Types:: * Index of Hooks:: * Index of Scanner Options:: 07070100039f0d000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000001700000000root/usr/local/include07070100039f0e000081a40000000000000000000000014c5ba5ed00001849000000b500010002ffffffffffffffff0000002300000000root/usr/local/include/FlexLexer.h// -*-C++-*- // FlexLexer.h -- define interfaces for lexical analyzer classes generated // by flex // Copyright (c) 1993 The Regents of the University of California. // All rights reserved. // // This code is derived from software contributed to Berkeley by // Kent Williams and Tom Epperly. // // Redistribution and use in source and binary forms, with or without // modification, are permitted provided that the following conditions // are met: // 1. Redistributions of source code must retain the above copyright // notice, this list of conditions and the following disclaimer. // 2. Redistributions in binary form must reproduce the above copyright // notice, this list of conditions and the following disclaimer in the // documentation and/or other materials provided with the distribution. // Neither the name of the University nor the names of its contributors // may be used to endorse or promote products derived from this software // without specific prior written permission. // THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR // IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED // WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR // PURPOSE. // This file defines FlexLexer, an abstract class which specifies the // external interface provided to flex C++ lexer objects, and yyFlexLexer, // which defines a particular lexer class. // // If you want to create multiple lexer classes, you use the -P flag // to rename each yyFlexLexer to some other xxFlexLexer. You then // include in your other sources once per lexer class: // // #undef yyFlexLexer // #define yyFlexLexer xxFlexLexer // #include // // #undef yyFlexLexer // #define yyFlexLexer zzFlexLexer // #include // ... #ifndef __FLEX_LEXER_H // Never included before - need to define base class. #define __FLEX_LEXER_H #include # ifndef FLEX_STD # define FLEX_STD std:: # endif extern "C++" { struct yy_buffer_state; typedef int yy_state_type; class FlexLexer { public: virtual ~FlexLexer() { } const char* YYText() const { return yytext; } int YYLeng() const { return yyleng; } virtual void yy_switch_to_buffer( struct yy_buffer_state* new_buffer ) = 0; virtual struct yy_buffer_state* yy_create_buffer( FLEX_STD istream* s, int size ) = 0; virtual void yy_delete_buffer( struct yy_buffer_state* b ) = 0; virtual void yyrestart( FLEX_STD istream* s ) = 0; virtual int yylex() = 0; // Call yylex with new input/output sources. int yylex( FLEX_STD istream* new_in, FLEX_STD ostream* new_out = 0 ) { switch_streams( new_in, new_out ); return yylex(); } // Switch to new input/output streams. A nil stream pointer // indicates "keep the current one". virtual void switch_streams( FLEX_STD istream* new_in = 0, FLEX_STD ostream* new_out = 0 ) = 0; int lineno() const { return yylineno; } int debug() const { return yy_flex_debug; } void set_debug( int flag ) { yy_flex_debug = flag; } protected: char* yytext; int yyleng; int yylineno; // only maintained if you use %option yylineno int yy_flex_debug; // only has effect with -d or "%option debug" }; } #endif // FLEXLEXER_H #if defined(yyFlexLexer) || ! defined(yyFlexLexerOnce) // Either this is the first time through (yyFlexLexerOnce not defined), // or this is a repeated include to define a different flavor of // yyFlexLexer, as discussed in the flex manual. #define yyFlexLexerOnce extern "C++" { class yyFlexLexer : public FlexLexer { public: // arg_yyin and arg_yyout default to the cin and cout, but we // only make that assignment when initializing in yylex(). yyFlexLexer( FLEX_STD istream* arg_yyin = 0, FLEX_STD ostream* arg_yyout = 0 ); virtual ~yyFlexLexer(); void yy_switch_to_buffer( struct yy_buffer_state* new_buffer ); struct yy_buffer_state* yy_create_buffer( FLEX_STD istream* s, int size ); void yy_delete_buffer( struct yy_buffer_state* b ); void yyrestart( FLEX_STD istream* s ); void yypush_buffer_state( struct yy_buffer_state* new_buffer ); void yypop_buffer_state(); virtual int yylex(); virtual void switch_streams( FLEX_STD istream* new_in, FLEX_STD ostream* new_out = 0 ); virtual int yywrap(); protected: virtual int LexerInput( char* buf, int max_size ); virtual void LexerOutput( const char* buf, int size ); virtual void LexerError( const char* msg ); void yyunput( int c, char* buf_ptr ); int yyinput(); void yy_load_buffer_state(); void yy_init_buffer( struct yy_buffer_state* b, FLEX_STD istream* s ); void yy_flush_buffer( struct yy_buffer_state* b ); int yy_start_stack_ptr; int yy_start_stack_depth; int* yy_start_stack; void yy_push_state( int new_state ); void yy_pop_state(); int yy_top_state(); yy_state_type yy_get_previous_state(); yy_state_type yy_try_NUL_trans( yy_state_type current_state ); int yy_get_next_buffer(); FLEX_STD istream* yyin; // input source for default LexerInput FLEX_STD ostream* yyout; // output sink for default LexerOutput // yy_hold_char holds the character lost when yytext is formed. char yy_hold_char; // Number of characters read into yy_ch_buf. int yy_n_chars; // Points to current character in buffer. char* yy_c_buf_p; int yy_init; // whether we need to initialize int yy_start; // start state number // Flag which is used to allow yywrap()'s to do buffer switches // instead of setting up a fresh yyin. A bit of a hack ... int yy_did_buffer_switch_on_eof; size_t yy_buffer_stack_top; /**< index of top of stack. */ size_t yy_buffer_stack_max; /**< capacity of stack. */ struct yy_buffer_state ** yy_buffer_stack; /**< Stack as an array. */ void yyensure_buffer_stack(void); // The following are not always needed, but may be depending // on use of certain flex features (like REJECT or yymore()). yy_state_type yy_last_accepting_state; char* yy_last_accepting_cpos; yy_state_type* yy_state_buf; yy_state_type* yy_state_ptr; char* yy_full_match; int* yy_full_state; int yy_full_lp; int yy_lp; int yy_looking_for_trail_begin; int yy_more_flag; int yy_more_len; int yy_more_offset; int yy_prev_more_offset; }; } #endif // yyFlexLexer || ! yyFlexLexerOnce 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_MESSAGES07070100039f49000081a40000000000000000000000014c5ba5ed00005ce0000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/vi/LC_MESSAGES/flex.mo  H 7I    / ' 5.O~ "#  *<3g!C$4)Y%"# 3FH`""&E0l+ $'"L)o45E$/j6! ",Of}0Kj  : )"(>"g"2w"#"+""&#?# S#a#{##*#C#3!$0U$%$$+$$"%)%C%U%j%%,%3%/% .&<&(X&&(&+&&''#'K'i''''''(8('J(r($(2( (),!)-N) |) )))!)&) *!&* H*V*0m*!* *** *% +F/+v++++"++,2,<D,-,,Jf..".!.G/GM/E/!/F/4D0y080G0 1/$1.T1Y1f1$D2i2M2V2;)3:e3$303"3,4F4Y4w4I4/4 5j05F5D5L'6Ut66,6.6-78D7>}7P7K 8tY8C8P9Tc9@9>98:K:+;C;a;;; ;$;!; !< B<!c<%< <$<9<++=W=0j=L7LL\LRZM/M;MLNfN}N&N,N!N<OBEOEOEO6P7KPKPP%P4 Q>Q OQ-pQ.Q]Q>+RSjRR,RCSDS3ZSCS%S%SLT2kT,T*T1T0(U-YU(U'U'U9V):V=dVKV.V1WROW?WW W#X)+X+UX2X"X.X&Y&-Y>TYBYY"Y'Z6Z3KZWZZ.Z,&[,S[,[6[>[-#\eQ\(\L^.)_y@ ` dM7c9aqhSs34;?rpN(gIok/F:v%#{5x-CRnQBDu]H,V'$Tw0f8K \t<} zOXZjJ!1UW6A2b>l= m&|[i+*"ePEG~ Y ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: jam-transitions: EOF %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d epsilon states, %d double epsilon states %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up No backing up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers: out-transitions: %%option yylineno entails a performance penalty ONLY on rules that can match newline characters %array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%option yylineno cannot be used with REJECT%s %s %s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use --reentrant or --bison-bridge with -l optionCan't use -f or -F with -l optionCompressed tables always back up. Could not write ecstblCould not write eoltblCould not write ftblCould not write ssltblCould not write yyacc_tblCould not write yyacclist_tblCould not write yybase_tblCould not write yychk_tblCould not write yydef_tblCould not write yymeta_tblCould not write yynultrans_tblCould not write yynxt_tblCould not write yynxt_tbl[][]EOF encountered inside an actionEOF encountered inside patternEnd Marker Generates programs that perform pattern-matching on text. Table Compression: -Ca, --align trade off larger tables for better memory alignment -Ce, --ecs construct equivalence classes -Cf do not compress tables; use -f representation -CF do not compress tables; use -F representation -Cm, --meta-ecs construct meta-equivalence classes -Cr, --read use read() instead of stdio for scanner input -f, --full generate fast, large scanner. Same as -Cfr -F, --fast use alternate table representation. Same as -CFr -Cem default compression (same as --ecs --meta-ecs) Debugging: -d, --debug enable debug mode in scanner -b, --backup write backing-up information to %s -p, --perf-report write performance report to stderr -s, --nodefault suppress default rule to ECHO unmatched text -T, --trace %s should run in trace mode -w, --nowarn do not generate warnings -v, --verbose write summary of scanner statistics to stdout Files: -o, --outfile=FILE specify output filename -S, --skel=FILE specify skeleton file -t, --stdout write scanner on stdout instead of %s --yyclass=NAME name of C++ class --header-file=FILE create a C header file in addition to the scanner --tables-file[=FILE] write tables to FILE Scanner behavior: -7, --7bit generate 7-bit scanner -8, --8bit generate 8-bit scanner -B, --batch generate batch scanner (opposite of -I) -i, --case-insensitive ignore case in patterns -l, --lex-compat maximal compatibility with original lex -X, --posix-compat maximal compatibility with POSIX lex -I, --interactive generate interactive scanner (opposite of -B) --yylineno track line count in yylineno Generated code: -+, --c++ generate C++ scanner class -Dmacro[=defn] #define macro defn (default defn is '1') -L, --noline suppress #line directives in scanner -P, --prefix=STRING use STRING as prefix instead of "yy" -R, --reentrant generate a reentrant C scanner --bison-bridge scanner for bison pure parser. --bison-locations include yylloc support. --stdinit initialize yyin/yyout to stdin/stdout --noansi-definitions old-style function definitions --noansi-prototypes empty parameter list in prototypes --nounistd do not include --noFUNCTION do not generate a particular FUNCTION Miscellaneous: -c do-nothing POSIX option -n do-nothing POSIX option -? -h, --help produce this help message -V, --version report %s version Input line too long Internal error. flexopts are malformed. No backing up. Options -+ and --reentrant are mutually exclusive.REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Try `%s --help' for more information. Unknown error=(%d) Unmatched '{'Unrecognized option `%s' Usage: %s [OPTIONS] [FILE]... Usage: %s [OPTIONS]... Variable trailing context rule at line %d Variable trailing context rules entail a large performance penalty [:^lower:] is ambiguous in case insensitive scanner[:^upper:] ambiguous in case insensitive scannerattempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad iteration valuesbad line in skeleton filebad start condition listbad state type in mark_beginning_as_normal()bad transition character detected in sympartition()bison bridge not supported for the C++ scanner.can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statecould not write tables headerdangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror creating header file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)iteration value must be positivemalformed '%top' directivememory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicenegative range in character classoption `%s' doesn't allow an argument option `%s' is ambiguous option `%s' requires an argument premature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedthe character range [%c-%c] is ambiguous in a case-insensitive scannertoo many rules (> %d)!trailing context used twiceundefined definition {%s}unknown -C option '%c'unknown error processing section 1unrecognized %%option: %sunrecognized '%' directiveunrecognized rulevariable trailing context rules cannot be used with -f or -Fyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.34 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 2008-02-10 17:40+1030 Last-Translator: Clytie Siddall Language-Team: Vietnamese MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 8bit Plural-Forms: nplurals=1; plural=0 X-Generator: LocFactoryEditor 1.7b3 ********** bắt đầu đổ NFA có tình trạng bắt đầu là %d Đổ DFA: Hạng độ tương đương: Hạng siêu tương đương: chuyển tiếp jam (bị trở ngại?): gặp kết thúc tập tin %d (%d được lưu) lần va chạm với hash, %d DFA bằng nhau %d đang sao lưu các tình trạng (kiểu không chấp nhận) %d mục nhập bảng trống %d tình trạng épxilông (ε), %d tình trạng épxilông đôi %d proto (vật đầu tiên) đã được tạo %d quy tắc cần thiết %d tập hợp điều phân chia lại %d cặp tình trạng/tình trạng kế tiếp đã được tạo %d mục nhập bảng %d mẫu đã được tạo, %d lần dùng cần thiết tổng mục nhập bảng %d %d/%d (tối đa %d) mục nhập nxt-chk (kiểm tra kế tiếp) đã được tạo %d/%d (tối đa %d) mục nhập biểu mẫu nxt-chk (kiểm tra kế tiếp) đã được tạo %d/%d tình trạng DFA (%d từ) %d/%d tình trạng NFA %d/%d mục nhập base-def (định nghĩa cơ bản) đã được tạo %d/%d hạng ky tự cần thiết %d/%d từ sức chứa, %d được dùng lại %d/%d hạng kiểu tương đương đã được tạo %d/%d hạng siêu tương đương đã được tạo %d/%d điều kiện bắt đầu %d/%d việc chuyên tiếp duy nhất/trùng Dùng mẫu kiểu đầu dòng Bảng đã nén lúc nào cũng sao lưu Không sao lưu không có hạng ký tự tùy chọn bộ quét: — thì có lẽ thật gây ra trường hợp giảm hiệu suất khác số thứ tự dòng quy tắc tương ứng: việc chuyển tiếp xuất: %%tùy chọn « yylineno » giảm hiệu suất CHỈ với quy tắc khớp với ký tự dòng mới « %array » (mảng) không tương thích với tùy chọn « -+ »%d đang sao lưu các tình trạng (kiểu không chấp nhận). %option (tùy chọn) « yyclass » chỉ có ý nghĩa với bộ quét C++Không cho phép dùng %option (tùy chọn) « yylineno » với REJECT (đuổi ra)%s %s %s phiên bản %s thống kê sử dụng: %s: gặp lỗi nôi bộ nghiêm trọng, %s ********** đổ xong • Điều lạ • — hiệu bài: %d giá trị: %d Hai tùy chọn « -Cf » and « -CF » loại từ lẫn nhauHai tùy chọn « -Cf/-CF » và « -Cm » với nhau thì không có ý nghĩaHai tùy chọn « -Cf/-CF » và « -I » không tương thích với nhauTùy chọn « -Cf/-CF » không tương thích với chế độ « lex-compatibility » (tương thích với lex)Tùy chọn « -I » (tương tác) giảm hiệu suất một ít Tùy chọn kiểu tương thích lex AT&T « -l » rất giảm hiệu suất đưa ra tùy chọn « -s » còn quy tắc mặc định có thể được khớpKhông thể dùng ký tự « -+ » với tùy chọn « -CF »Không thể dùng ký tư « -+ » với tùy chọn « -l »Không thể dùng đối số « --reentrant » (điều vào lại) hoặc « --bison-bridge » (chiếc cầu bison) với tùy chọn « -l »Không thể dùng cờ « -f » hoặc « -F » với tùy chọn « -l »Bảng đã nén lúc nào cũng sao lưu. Không thể ghi « ecstbl »Không thể ghi « eoltbl »Không thể ghi « ftbl »Không thể ghi « ssltbl »Không thể ghi « yyacc_tbl »Không thể ghi « yyacclist_tbl »Không thể ghi « yybase_tbl »Không thể ghi « yychk_tbl »Không thể ghi « yydef_tbl »Không thể ghi « yymeta_tbl »Không thể ghi « yynultrans_tbl »Không thể ghi « yynxt_tbl »Không thể ghi « yynxt_tbl[][] »gặp kết thúc tập tin ở trong một hành độnggặp kết thúc tập tin ở trong mẫuDấu kết thúc Tạo ra chương trình thực hiện tiến trình khớp mẫu trong đoạn chữ. Cách nén bảng: -Ca, --align thoả hiệp giữa bảng lớn hơn và độ _canh lề_ bộ nhớ khá hơn -Ce, --ecs cấu tạo hạng kiểu tương đương -Cf không nén bảng; dùng sự tiêu biểu « -f » -CF không nén bảng; dùng sự cách tiêu biểu « -F » -Cm, --meta-ecs cấu tạo hạng kiểu _siêu_ tương đương -Cr, --read dùng chức năng read() (_đọc_) thay thế thiết bị nhập/xuất chuẩn để nhập bộ quét -f, --full tạo ra bộ quét nhanh và lớn; bằng -Cfr (_đầy đủ_) -F, --fast dùng sự tiêu biểu bảng xen kẽ; bằng -CFr (_nhanh_) -Cem phương pháp nén mặc định; bằng « --ecs » « --meta-ecs ») Gỡ lỗi: -d, --debug bật chế độ _gỡ lỗi_ trong bộ quét -b, --backup ghi thông tin _sao lưu_ vào %s -p, --perf-report ghi _thông báo hiệu suất_ vào thiết bị lỗi chuẩn -s, --nodefault thu hồi quy tắc _mặc định_ để ECHO (vọng) đoạn chưa khớp -T, --trace %s nên chạy trong chế độ theo _dấu vết_ -w, --nowarn _không_ tạo ra lời _cảnh báo_ -v, --verbose ghi tóm tắt các thống kê bộ quét vào thiết bị xuất chuẩn (_chi tiêt_) Tập tin: -o, --outfile=TẬP_TIN ghi rõ tên _tập tin xuất_ -S, --skel=TẬP_TIN ghi rõ tập tin _khung sườn_ -t, --stdout ghi bộ quet ra _thiết bị xuất chuẩn_ thay thế ra %s --yyclass=TÊN tên của _hạng_ C++ --header-file=TẬP_TIN tạo _tập tin phần đầu_ C thêm vào bộ quét --tables-file[=TẬP_TIN] ghi các bảng vào TẬP_TIN này Ứng xử của bộ quét: -7, --7bit tạo ra bộ quét kiểu 7-bit -8, --8bit tạo ra bộ quét kiểu 8-bit -B, --batch tạo ra bộ quét _bó_ (ngược với tùy chọn « -I ») -i, --case-insensitive _bỏ qua chữ hoa/thường_ trong mẫu -l, --lex-compat độ _tương thích_ tối đa với lex gốc -X, --posix-compat độ _tương thích_ tối đa với lex _POSIX_ -I, --interactive tạo ra bộ quét _tương tác_ (ngược với tùy chọn « -B ») --yylineno theo dõi số đếm số dòng trong yylineno Mã đã tạo ra : -+, --c++ tạo ra hang bộ quét kiểu C++ -Dmacro[=lời_định_nghĩa] _định nghĩa_ bộ lệnh #define (lời định nghĩa mặc định là « 1 ») -L, --noline thu hồi các chỉ thị #line trong bộ quét (_không dòng_) -P, --prefix=CHUỖI dùng CHUỖI này là _tiền tố_ thay thế « yy » -R, --reentrant tạo ra một bộ quét C kiểu _vào lại_ --bison-bridge bộ quét cho trình phân tách thuần tuý kiểu bison. (_cầu_) --bison-locations gồm khả năng hỗ trợ yylloc (_địa điểm_). --stdinit khởi động yyin/yyout vào thiết bị nhập/xuất chuẩn --noansi-definitions _lời định nghĩa_ chức năng kiểu cũ (_không ANSI_) --noansi-prototypes danh sách tham số trống trong _vật đầu tiên_ (_không ANSI_) --nounistd _không_ bao gồm --noCHỨC_NĂNG không tạo ra một CHỨC NĂNG cá biệt Lặt vặt: -c tùy chọn POSIX không làm gì -n tùy chọn POSIX không làm gì -? -h, --help hiển thị _trợ giúp_ này -V, --version thông báo phiên bản %s dòng nhập quá dài Gặp lỗi nội bộ vì những flexopt dạng sai. Không sao lưu. Hai tùy chọn « - + » và « --reentrant » (điều vào lại) loại từ lẫn nhau.Không cho phép dùng REJECT (đuổi ra) với tùy chọn « -f » hay « -F »REJECT (đuổi ra) rất giảm hiệu suất Tình trạng #%d không phải là kiểu chấp nhận - Hãy thử lệnh « %s --help » (trợ giúp) để xem thêm thông tin. Không rõ lỗi=(%d) Chưa khớp « { »Không nhận ra tùy chọn « %s » Sử dụng: %s [TUY_CHỌN] [TẬP_TIN]... Sử dụng: %s [TÙY_CHỌN]... Gặp quy tắc ngữ cảnh theo sau biến tại dòng %d Quy tắc ngữ cảnh theo sau biến rất giảm hiệu suất [:^lower:] là mơ hồ trong bộ quét bỏ qua chữ hoa/thường[:^upper:] là mơ hồ trong bộ quét bỏ qua chữ hoa/thườngviệc thử tăng kích cỡ mảng đã thất bại (điệu kiện bắt đầu) sai: %sphát hiện ký tự sai « %s » trong check_char() (kiểm tra ký tự)hạng ký tự saibiểu thức hạng ký tự sai: %scó ký tự sai ở trong hai dấu ngoặc móc {}ký tự sai: %sgặp giá trị lặp lại saigặp dòng sai trong tập tin khung sườndanh sách điều kiện bắt đầu là saikiểu tình trạng sai trong mark_beginning_as_normal() (đánh dấu đầu là thường)phát hiện ký tự chuyển tiếp sai trong sympartition()bison bridge (chiếc cầu bison) không được hỗ trợ với bộ quét C++.không thể mở %skhông thể mở tập tin khung sườn %sviệc kiểm tra sự thống nhất bị lỗi trong epsclosure()không thể tạo %skhông thể tạo tập tin thông tin sao lưu %skhông thể tạo tình trạng kết thúc bộ đệm duy nhấtkhông thể ghi phần đầu bảngngữ cảnh theo sau là nguy hiểmbộ nhớ động đã thất bại trong copy_string() (sao chép chuỗi)máy trống trong dupmachine() (nhân đôi máy)gặp lỗi khi đóng tập tin sao lưu %sgặp lỗi khi đóng tập tin xuất %sgặp lỗi khi đóng tập tin khung sườn %sgặp lỗi khi tạo tập tin phần đầu %sgặp lỗi khi xoá bỏ tập tin xuất %sgăp lỗi khi ghi tập tin sao lưu %sgặp lỗi khi ghi tập tin xuất %sgặp lỗi phân tích nghiêm trọnggặp quá nhiều việc chuyển tiếp trong mkxtion()lời đinh nghĩa tên chưa hoàn tấtgặp lỗi nhập vào khi đọc tập tin khung sườn %scác quy tắc nhập vào là quá phức tạp (≥ %d tình trạng NFA)giá trị lặp lại phải là số dươngchỉ thị kiểu « %top » (đầu) dạng saiviệc phân chia bộ nhớ bị lỗi trong allocate_array() (phân chia mảng)việc phân chia bộ nhớ bị lỗi trong yy_flex_xmalloc()thiếu dấu trích dẫnthiếu }tên « %s » là dài nhố nhăngtên đã được xác định hai lầngặp phạm vị âm trong hạng ký tựtùy chọn « %s » không cho phép đối số tùy chọn « %s » là mơ hồ tùy chọn « %s » cần đến đối số gặp kết thúc tập tin quá sớmquy tắc không thể được khớpbộ quét cần thiết cờ « -8 » để dùng ký tự %sđiều kiện bắt đầu %s đã được tuyên bố hai lầntình trạng # %4d tình trạng # %d chấp nhận: tình trạng # %d chấp nhận: [%d] tình trạng # %d: lỗi phân chia bộ nhớ của bảng ký hiệuphạm vị ký tự [%c-%c] là mơ hồ trong bộ quét bỏ qua chữ hoa/thườngquá nhiều quy tắc (> %d) !ngữ cảnh theo sau được dùng hai lầnchưa xác định lời định nghĩa {%s}không rõ tùy chọn « -C » là « %c »gặp lỗi không rõ khi xử lý phần 1gặp tùy chọn %% không được nhận dạng: %sgặp chỉ thị kiểu « % » không được nhận dạnggặp quy tắc không được nhận dạngkhông cho phép dùng quy tắc ngữ cảnh theo sau biến với tùy chọn « -f » hay « -F »yymore() giảm hiệu suất một ít 07070100039f21000041ed0000000000000000000000034c5ba60500000000000000b500010002ffffffffffffffff0000001f00000000root/usr/local/share/locale/de07070100039f22000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000002b00000000root/usr/local/share/locale/de/LC_MESSAGES07070100039f23000081a40000000000000000000000014c5ba5ed0000544c000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/de/LC_MESSAGES/flex.mo  H 7I    / ' 5.O~ "#  *<3g!C$4)Y%"# 3FH`""&E0l+ $'"L)o45E$/j6! ",Of}0Kj  : )"(>"g"2w"#"+""&#?# S#a#{##*#C#3!$0U$%$$+$$"%)%C%U%j%%,%3%/% .&<&(X&&(&+&&''#'K'i''''''(8('J(r($(2( (),!)-N) |) )))!)&) *!&* H*V*0m*!* *** *% +F/+v++++"++,2,<D,-,,:8.s....7.4 /@/4^// /+/-/0('0+P02|0;0#01)&1IP1$1)11*2.23M2222K23.3sA3-32314@H44%4 44$475>P525C5>6NE6=6;6:7TI7H717878U8q8 8$8!8 8 9!99%[9 9$9&9'9: &:F.FFHGFIG3G'G>G+HDHZH$zHH8HTHOGIOI4IJ5MpM*M+M+M)N)QHVQ#QQQQ R5R_PRR#RR# S2.SaS }SS`S7TL^.)_y@ ` dM7c9aqhSs34;?rpN(gIok/F:v%#{5x-CRnQBDu]H,V'$Tw0f8K \t<} zOXZjJ!1UW6A2b>l= m&|[i+*"ePEG~ Y ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: jam-transitions: EOF %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d epsilon states, %d double epsilon states %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up No backing up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers: out-transitions: %%option yylineno entails a performance penalty ONLY on rules that can match newline characters %array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%option yylineno cannot be used with REJECT%s %s %s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use --reentrant or --bison-bridge with -l optionCan't use -f or -F with -l optionCompressed tables always back up. Could not write ecstblCould not write eoltblCould not write ftblCould not write ssltblCould not write yyacc_tblCould not write yyacclist_tblCould not write yybase_tblCould not write yychk_tblCould not write yydef_tblCould not write yymeta_tblCould not write yynultrans_tblCould not write yynxt_tblCould not write yynxt_tbl[][]EOF encountered inside an actionEOF encountered inside patternEnd Marker Generates programs that perform pattern-matching on text. Table Compression: -Ca, --align trade off larger tables for better memory alignment -Ce, --ecs construct equivalence classes -Cf do not compress tables; use -f representation -CF do not compress tables; use -F representation -Cm, --meta-ecs construct meta-equivalence classes -Cr, --read use read() instead of stdio for scanner input -f, --full generate fast, large scanner. Same as -Cfr -F, --fast use alternate table representation. Same as -CFr -Cem default compression (same as --ecs --meta-ecs) Debugging: -d, --debug enable debug mode in scanner -b, --backup write backing-up information to %s -p, --perf-report write performance report to stderr -s, --nodefault suppress default rule to ECHO unmatched text -T, --trace %s should run in trace mode -w, --nowarn do not generate warnings -v, --verbose write summary of scanner statistics to stdout Files: -o, --outfile=FILE specify output filename -S, --skel=FILE specify skeleton file -t, --stdout write scanner on stdout instead of %s --yyclass=NAME name of C++ class --header-file=FILE create a C header file in addition to the scanner --tables-file[=FILE] write tables to FILE Scanner behavior: -7, --7bit generate 7-bit scanner -8, --8bit generate 8-bit scanner -B, --batch generate batch scanner (opposite of -I) -i, --case-insensitive ignore case in patterns -l, --lex-compat maximal compatibility with original lex -X, --posix-compat maximal compatibility with POSIX lex -I, --interactive generate interactive scanner (opposite of -B) --yylineno track line count in yylineno Generated code: -+, --c++ generate C++ scanner class -Dmacro[=defn] #define macro defn (default defn is '1') -L, --noline suppress #line directives in scanner -P, --prefix=STRING use STRING as prefix instead of "yy" -R, --reentrant generate a reentrant C scanner --bison-bridge scanner for bison pure parser. --bison-locations include yylloc support. --stdinit initialize yyin/yyout to stdin/stdout --noansi-definitions old-style function definitions --noansi-prototypes empty parameter list in prototypes --nounistd do not include --noFUNCTION do not generate a particular FUNCTION Miscellaneous: -c do-nothing POSIX option -n do-nothing POSIX option -? -h, --help produce this help message -V, --version report %s version Input line too long Internal error. flexopts are malformed. No backing up. Options -+ and --reentrant are mutually exclusive.REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Try `%s --help' for more information. Unknown error=(%d) Unmatched '{'Unrecognized option `%s' Usage: %s [OPTIONS] [FILE]... Usage: %s [OPTIONS]... Variable trailing context rule at line %d Variable trailing context rules entail a large performance penalty [:^lower:] is ambiguous in case insensitive scanner[:^upper:] ambiguous in case insensitive scannerattempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad iteration valuesbad line in skeleton filebad start condition listbad state type in mark_beginning_as_normal()bad transition character detected in sympartition()bison bridge not supported for the C++ scanner.can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statecould not write tables headerdangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror creating header file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)iteration value must be positivemalformed '%top' directivememory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicenegative range in character classoption `%s' doesn't allow an argument option `%s' is ambiguous option `%s' requires an argument premature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedthe character range [%c-%c] is ambiguous in a case-insensitive scannertoo many rules (> %d)!trailing context used twiceundefined definition {%s}unknown -C option '%c'unknown error processing section 1unrecognized %%option: %sunrecognized '%' directiveunrecognized rulevariable trailing context rules cannot be used with -f or -Fyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.34 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 2008-02-11 11:12:41+0100 Last-Translator: Michael Piefel Language-Team: German MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ********** beginne Ausgabe von NFA mit Startzustand %d DFA-Ausgabe: Äquivalenz-Klassen: Meta-Äquivalenz-Klassen: Hemm-Übergänge: EOF %d (%d gespeichert) Hash-Kollisionen, %d DFAs gleich %d Zustände mit Backing-up (nicht akzeptierend). %d leere Tabelleneinträge %d Epsilon-Zustände, %d Doppel-Epsilon-Zustände %d Protos erzeugt %d Regeln %d Sätze von Neuallozierungen benötigt %d Zustand/Nächster-Zustand-Paare erzeugt %d Tabelleneinträge %d Schablonen erzeugt, %d Benutzungen %d Tabelleneinträge insgesamt benötigt %d/%d (max. %d) Einträge „nxt-chk“ erzeugt %d/%d (max. %d) Einträge „template nxt-chk“ erzeugt %d/%d DFA-Zustände (%d Wörter) %d/%d NFA-Zustände %d/%d Einträge „base-def“ erzeugt %d/%d Zeichenklassen brauchten %d/%d Speicherwörter, %d wiederbenutzt %d/%d Äquivalenz-Klassen erzeugt %d/%d Meta-Äquivalenz-Klassen erzeugt %d/%d Startbedingungen %d/%d einzigartige/doppelte Übergänge Zeilenanfang-Muster benutzt Komprimierte Tabellen benutzen immer Backing-up. Kein Backing-up. keine Zeichenklassen Scanner-Optionen: - und ist möglicherweise die wirkliche Quelle anderer gemeldeter Einbußen verbundene Regelzeilennummern Aus-Übergänge: %%option yylineno führt zu Geschwindigkeitseinbußen NUR für Regeln, die auf einen Zeilenvorschub passen können „%array“ inkompatibel mit „-+“-Option%d Zustände mit Backing-up (nicht akzeptierend). %option yyclass ist nur bei C++-Scannern sinnvoll%option yylineno kann nicht mit REJECT zusammen verwendet werden%s %s %s Version %s Benutzungsstatistiken: %s: fataler interner Fehler, %s ********** end der Ausgabe *Etwas Seltsames* - tok: %d val: %d „-Cf“ und „-CF“ schließen sich gegenseitig aus„-Cf“/„-CF“ und „-Cm“ sind zusammen nicht sinnvoll„-Cf“/„-CF“ und „-I“ sind inkompatibel„-Cf“/„-CF“ sind inkompatibel mit lex-Kompatibilitätsmodus-I (interaktiv) führt zu kleineren Geschwindigkeitseinbußen -l AT&T-lex-Kompatibilitätsmodus führt zu großen Geschwindigkeitseinbußen „-s“-Option gegeben, aber Vorgabe-Regel kann nicht passenKann nicht „-+“ zusammen mit „-CF“-Option verwendenKann nicht „-+“ zusammen mit „-l“-Option verwendenKann nicht „--reentrant“ oder „--bison-bridge“ mit „-l“-Option verwendenKann nicht „-f“ oder „-F“ zusammen mit „-l“-Option verwendenKomprimierte Tabellen benutzen immer Backing-up. Konnte ecstbl nicht schreibenKonnte eoltbl nicht schreibenKonnte ftbl nicht schreibenKonnte ssltbl nicht schreibenKonnte yyacc_tbl nicht schreibenKonnte yyacclist_tbl nicht schreibenKonnte yybase_tbl nicht schreibenKonnte yychk_tbl nicht schreibenKonnte yydef_tbl nicht schreibenKonnte yymeta_tbl nicht schreibenKonnte yynultrans_tbl nicht schreibenKonnte yynxt_tbl nicht schreibenKonnte yynxt_tbl[][] nicht schreibenEOF innerhalb einer Aktion angetroffenEOF innerhalb eines Musters angetroffenEndemarkierung Generiert Programme, die Mustererkennung in Texten durchführen. Tabellen-Komprimierung: -Ca, --align erzeuge größere Tabellen, aber bessere Speicherausrichtung -Ce, --ecs konstruiere Äquivalenz-Klassen -Cf komprimiere Tabellen nicht; benutze „-f“-Repräsentation -CF komprimiere Tabellen nicht; benutze „-F“-Repräsentation -Cm, --meta-ecs konstruiere Meta-Äquivalenz-Klassen -Cr, --read benutze read() anstelle von stdio für Scannereingabe -f, --full generiere schnellen, großen Scanner. Genau wie -Cfr -F, --fast benutze alternative Tabellenrepräsentation. Genau wie -CFr -Cem Voreinstellung (genau wie --ecs --meta-ecs) Fehlersuche: -d, --debug Fehlersuch-(Debug-)Modus im Scanner aktivieren -b, --backup schreibe Backing-up-Information in %s -p, --perf-report schreibe Performanzbericht auf stderr -s, --nodefault unterdücke Standardregel ECHO für nicht passenden Text -T, --trace %s sollte im Trace-Modus laufen -w, --nowarn generiere keine Warnungen -v, --verbose schreibe Zusammenfassung der Scannerstatistiken auf stdout Dateien: -o, --outfile=DATEI Ausgabe-Dateiname -S, --skel=DATEI Skelettdatei -t, --stdout gib Scanner auf stdout anstelle von %s aus --yyclass=NAME Name der C++-Klasse --header-file=DATEI erstelle eine C-Headerdatei zusätzlich zum Scanner --tables-file[=DATEI] schreibe Tabellen in DATEI Scannerverhalten: -7, --7bit generiere 7-bit-Scanner -8, --8bit generiere 8-bit-Scanner -B, --batch generiere Dateiscanner (Gegenteil von -I) -i, --case-insensitive ignoriere Groß-/Kleinschreibung in Mustern -l, --lex-compat maximale Kompatibilität mit originalem lex -X, --posix-compat maximala Kompatibilität mit lex aus POSIX -I, --interactive generiere interaktiven Scanner (Gegenteil von -B) --yylineno verfolge Zeilenzähler in yylineno Generierter Code: -+, --c++ generiere C++-Scannerklasse -Dmacro[=defn] #definiere Makro (Standard-Defn ist „1“) -L, --noline unterdrücke #line-Direktiven im Scanner -P, --prefix=STRING benutze STRING als Präfix anstelle von „yy“ -R, --reentrant generiere einen reentranten C-Scanner --bison-bridge Scanner für reentranten Bison-Parser (Bison-Deklaration „%%pure_parser“) --bison-locations yylloc-Unterstützung aktivieren --stdinit initialisiere yyin/yyout mit stdin/stdout --noansi-definitions Funktionsdefinitionen alten Stils --noansi-prototypes leere Parameterlisten in Prototypen --nounistd nicht mit einbinden --noFUNKTION generiere eine bestimmte FUNKTION nicht Verschiedenes: -c keine Wirkung (aus POSIX) -n keine Wirkung (aus POSIX) -? -h, --help produziere diese Hilfenachricht -V, --version melde %s-Version Eingabezeile zu lang Interner Fehler. flexopts sind missgestaltet. Kein Backing-up. Optionen „-+“ und „--reentrant“ schließen sich gegenseitig aus.REJECT kann nicht mit „-f“ oder „-F“ zusammen verwendet werdenREJECT führt zu großen Geschwindigkeitseinbußen Zustand #%d ist nicht-akzeptierend – Versuchen Sie es mit „%s --help“ für mehr Informationen. Unbekannter Fehler=(%d) Unbalancierte „{“nicht erkannte Option „%s“ Aufruf: %s [OPTIONEN...] [DATEI...] Aufruf: %s [OPTIONEN...] Regel mit veränderlichem folgenden Kontext in Zeile %d Regeln mit variablem folgenden Kontext führen zu großen Geschwindigkeitseinbußen [:^lower:] ist in Scannern ohne Beachtung von Groß-/Kleinschreibung mehrdeutig[:^upper:] ist in Scannern ohne Beachtung von Groß-/Kleinschreibung mehrdeutigVersuch, die Feldgröße zu erhöhen, fehlgeschlagenungültige : %sungültiges Zeichen „%s“ in check_char() entdecktungültige Zeichenklasseungültiger Zeichenklassenausdruck: %sungültiges Zeichen innerhalb von {}ungültiges Zeichen: %sungültige Iterationswerteungültige Zeile in Skelettdateiungültige Startbedingungs-Listeungültiger Zustandstyp in mark_beginning_as_normal()ungültiges Übergangszeichen in sympartition() entdecktBrücke zu Bison für den C++-Scanner nicht unterstützt.kann %s nicht öffnenkann Skelett-Datei %s nicht öffnenKonsistenzprüfung fehlgeschlagen in epsclosure()konnte %s nicht erzeugenkonnte Datei %s mit Informationen zum Backing-up nicht erzeugenkonnte keinen einzigartigen Ende-des-Puffers-Zustand erzeugenkonnte Tabellenköpfe nicht schreibengefährlicher folgender KontextFehler beim dynamischen Speicher in copy_string()leere Maschine in dupmachine()Fehler beim Schließen der Backup-Datei %sFehler beim Schließen der Ausgabe-Datei %sFehler beim Schließen der Skelett-Datei %sFehler beim Erstellen der Header-Datei %sFehler beim Löschen der Ausgabe-Datei %sFehler beim Schreiben der Backup-Datei %sFehler beim Schreiben der Ausgabe-Datei %sfataler Parse-Fehlerzu viele Übergänge in mkxtion() gefundenunvollständige NamensdefinitionEingabefehler beim Lesen der Skelett-Datei %sEingaberegeln sind zu kompliziert (>= %d NFA-Zustände)Iterationswerte müssen positiv seinfalsch geformte „%top“-DirektiveSpeicheranforderung in allocate_array() fehlgeschlagenSpeicheranforderung in yy_flex_xmalloc() fehlgeschlagenfehlendes Anführungszeichenfehlende }name „%s“ ist lächerlich langName zweimal definiertnegativer Bereich in ZeichenklasseOption „%s“ erlaubt kein Argument Option „%s“ ist mehrdeutig Option „%s“ verlangt ein Argument vorzeitiges EOFRegel kann nicht passenScanner erfordert Option „-8“, um das Zeichen %s benutzen zu könnenStartbedingung %s zweimal definiertZustand # %4d Zustand # %d akzeptiert: Zustand # %d akzeptiert: [%d] Zustand # %d: Speicheranforderung für Symboltabelle fehlgeschlagender Zeichenbereich [%c-%c] ist in Scannern ohne Beachtung von Groß-/Kleinschreibung mehrdeutigzu viele Regeln (> %d)!folgender Kontext doppelt verwendetundefinierte Definitione {%s}unbekannte „-C“-Option „%c“unbekannter Fehler beim Bearbeiten von Abschnitt 1nicht erkannte %%option: %snicht erkannte „%“-Direktivenicht erkannte RegelRegeln mit variablem folgenden Kontext können nicht mit „-f“ oder „-F“ verwendet werdenyymore() führt zu kleineren Geschwindigkeitseinbußen 07070100039f3d000041ed0000000000000000000000034c5ba60500000000000000b500010002ffffffffffffffff0000001f00000000root/usr/local/share/locale/ru07070100039f3e000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000002b00000000root/usr/local/share/locale/ru/LC_MESSAGES07070100039f3f000081a40000000000000000000000014c5ba5ed0000306c000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/ru/LC_MESSAGES/flex.moL|H 7I   / '  7 L "X #{  * 3 T s ! C $ )<%V"|#F7"V&y0+ %C$[")45"EX/!")Lcx5 S t(#+&,Sg%+$"8[u,3 )(En(+'8Vs%'7_$z2,- - ;Ea!t&! 0!O q~ %-"Dg-aE> >( 4S l,y*('+:5f #S'L *t  + % $ !1!P!Fc!'!!(!6"4Q""'"$""""%#$:#_#/y#E#R#AB$($'$.$#%(%C%\%z%%%%"%&!5&W& t&&3&3&7 'A'@^'''$''!( 7(*X((%((((!)30)5d))!)1)*1*4L*#**8**,+"E+$h+&+&+&+ ,#,+<,h,,5,*,/-3- G-U-m-(-.----".:.6W.#.....'/7/'T/|//*///0;00!Q"H#`Pvo:&) cyJMlgB@8=wnd 5qiA?-E^s]\ZRh ~9U/<[|}>xDmb{aWI6z CS,712TNO'.XfVY jrKGut$L0(%Fk;+43p_*e ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers:%array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%option yylineno cannot be used with REJECT%s %s %s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use -f or -F with -l optionCompressed tables always back up. Could not write ecstblCould not write ftblCould not write yyacc_tblCould not write yybase_tblCould not write yychk_tblCould not write yydef_tblCould not write yymeta_tblCould not write yynultrans_tblCould not write yynxt_tblCould not write yynxt_tbl[][]EOF encountered inside an actionEnd Marker Input line too long Internal error. flexopts are malformed. REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Try `%s --help' for more information. Unknown error=(%d) Unrecognized option `%s' Usage: %s [OPTIONS] [FILE]... Usage: %s [OPTIONS]... attempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad line in skeleton filebad start condition listbad state type in mark_beginning_as_normal()bad transition character detected in sympartition()can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statecould not write tables headerdangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror creating header file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)memory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicenegative range in character classoption `%s' doesn't allow an argument option `%s' is ambiguous option `%s' requires an argument premature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedtoo many rules (> %d)!trailing context used twiceundefined definition {%s}unknown -C option '%c'unknown error processing section 1unrecognized %%option: %sunrecognized '%' directiveunrecognized ruleyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.19 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 2002-09-08 10:54+0400 Last-Translator: Dmitry S. Sivachenko Language-Team: Russian MIME-Version: 1.0 Content-Type: text/plain; charset=koi8-r Content-Transfer-Encoding: 8-bit ******** %d : : : %d (%d ) -, %d %d () %d %d %d %d %d /_ %d %d , %d %d %d/%d ( %d) nxt-chk %d/%d ( %d) nxt-chk %d/%d (%d ) %d/%d %d/%d base-def %d/%d %d/%d , %d %d/%d %d/%d %d/%d %d/%d / : - :%array -+ %d () . %option yyclass C++%option yylineno REJECT%s %s %s %s: %s: , %s ********* *- * - tok: %d val: %d -Cf -CF -Cf/-CF -Cm -Cf/-CF -I -Cf/-CF lex--I () -l AT&T lex -s, -+ -CF -+ -l -f -F -l . ecstbl ftbl yyacc_tbl yybase_tbl yychk_tbl yydef_tbl yymeta_tbl yynultrans_tbl yynxt_tbl yynxt_tbl[][] EOF . flex. REJECT -f -FREJECT #%d - `%s --help' . =(%d) `%s' : %s [] []... : %s []... < >: %s '%s' check_char() : %s {} : %s - mark_beginning_as_normal() sympartition() %s - %s epsclosure() %s %s copy_string() dupmachine() %s %s - %s %s %s %s %s mkxtion() - %s (>= %d ) allocate_array() yy_flex_xmalloc() } "%s" `%s' `%s' `%s' %s -8 %s # %4d # %d : # %d : [%d] # %d: (> %d)! {%s} -C '%c' 1 %%option: %s '%' yymore() 07070100039f40000041ed0000000000000000000000034c5ba60500000000000000b500010002ffffffffffffffff0000001f00000000root/usr/local/share/locale/sv07070100039f41000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000002b00000000root/usr/local/share/locale/sv/LC_MESSAGES07070100039f42000081a40000000000000000000000014c5ba5ed00004f2a000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/sv/LC_MESSAGES/flex.mo  7 Q _ x  / ' .N c"o#  * 37k!C$))S%m"#F_~`"&0<+m $")?i45E/:j6!"6Mby:T r : !(!"2("#["+""&"" ##,#K#*c#C#%##+$>$"R$u$$$$$,$3%/J% z%%(%%(%+ &6&T&'o&&&&&','J'g'''''$'2' 1(R(,m(-( ( (((!)&1)X)!r) ))0)!) **.* H*%U*F{****+"&+I+c+~+<+-+`+=\-----/-:).d.2}.. ...//5/%H/n/3/7//0"10DT0"0&00%0 11@1r111B1 12Z-23262429(3b3,i333(3%3-"4,P43}424L40150b5/5M5860J6{666666767R7n7 777#7 8 8C$D 8D7FD4~D,D$D'E-E =EHE"[E~E4ESE($FMF+jFF%FFFGG5G4UG1G)GGG0HEH<YH/HH H#I)I)CImI!I!I!I)IJ=J%[JJ%J8J#J K2:K3mKKKKK K L=L!WLyLL<L'L MM2MQM.`MGMM(MN5N#ONsNN NXN+NK[.)\v@ ] aL7`9^neRp34;?omM(dHlh/F:s%#x5u-CQkPBDrZ,U'$St0c8J Yq<z w~NWgI!1TV6A2_>|i= j&yf+*"bOEG{ X} ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: jam-transitions: EOF %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d epsilon states, %d double epsilon states %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up No backing up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers: out-transitions: %%option yylineno entails a performance penalty ONLY on rules that can match newline characters %array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%option yylineno cannot be used with REJECT%s %s %s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use --reentrant or --bison-bridge with -l optionCan't use -f or -F with -l optionCompressed tables always back up. Could not write ecstblCould not write eoltblCould not write ftblCould not write ssltblCould not write yyacc_tblCould not write yyacclist_tblCould not write yybase_tblCould not write yychk_tblCould not write yydef_tblCould not write yymeta_tblCould not write yynultrans_tblCould not write yynxt_tblCould not write yynxt_tbl[][]EOF encountered inside an actionEnd Marker Generates programs that perform pattern-matching on text. Table Compression: -Ca, --align trade off larger tables for better memory alignment -Ce, --ecs construct equivalence classes -Cf do not compress tables; use -f representation -CF do not compress tables; use -F representation -Cm, --meta-ecs construct meta-equivalence classes -Cr, --read use read() instead of stdio for scanner input -f, --full generate fast, large scanner. Same as -Cfr -F, --fast use alternate table representation. Same as -CFr -Cem default compression (same as --ecs --meta-ecs) Debugging: -d, --debug enable debug mode in scanner -b, --backup write backing-up information to %s -p, --perf-report write performance report to stderr -s, --nodefault suppress default rule to ECHO unmatched text -T, --trace %s should run in trace mode -w, --nowarn do not generate warnings -v, --verbose write summary of scanner statistics to stdout Files: -o, --outfile=FILE specify output filename -S, --skel=FILE specify skeleton file -t, --stdout write scanner on stdout instead of %s --yyclass=NAME name of C++ class --header-file=FILE create a C header file in addition to the scanner --tables-file[=FILE] write tables to FILE Scanner behavior: -7, --7bit generate 7-bit scanner -8, --8bit generate 8-bit scanner -B, --batch generate batch scanner (opposite of -I) -i, --case-insensitive ignore case in patterns -l, --lex-compat maximal compatibility with original lex -X, --posix-compat maximal compatibility with POSIX lex -I, --interactive generate interactive scanner (opposite of -B) --yylineno track line count in yylineno Generated code: -+, --c++ generate C++ scanner class -Dmacro[=defn] #define macro defn (default defn is '1') -L, --noline suppress #line directives in scanner -P, --prefix=STRING use STRING as prefix instead of "yy" -R, --reentrant generate a reentrant C scanner --bison-bridge scanner for bison pure parser. --bison-locations include yylloc support. --stdinit initialize yyin/yyout to stdin/stdout --noansi-definitions old-style function definitions --noansi-prototypes empty parameter list in prototypes --nounistd do not include --noFUNCTION do not generate a particular FUNCTION Miscellaneous: -c do-nothing POSIX option -n do-nothing POSIX option -? -h, --help produce this help message -V, --version report %s version Input line too long Internal error. flexopts are malformed. No backing up. Options -+ and --reentrant are mutually exclusive.REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Try `%s --help' for more information. Unknown error=(%d) Unmatched '{'Unrecognized option `%s' Usage: %s [OPTIONS] [FILE]... Usage: %s [OPTIONS]... Variable trailing context rule at line %d Variable trailing context rules entail a large performance penalty attempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad iteration valuesbad line in skeleton filebad start condition listbad state type in mark_beginning_as_normal()bad transition character detected in sympartition()bison bridge not supported for the C++ scanner.can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statecould not write tables headerdangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror creating header file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)iteration value must be positivemalformed '%top' directivememory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicenegative range in character classoption `%s' doesn't allow an argument option `%s' is ambiguous option `%s' requires an argument premature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedthe character range [%c-%c] is ambiguous in a case-insensitive scannertoo many rules (> %d)!trailing context used twiceundefined definition {%s}unknown -C option '%c'unknown error processing section 1unrecognized %%option: %sunrecognized '%' directiveunrecognized rulevariable trailing context rules cannot be used with -f or -Fyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.31 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 2004-03-21 22:51+0100 Last-Translator: Christian Rose Language-Team: Swedish MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Transfer-Encoding: 8bit ********** brjan av utskrift av nfa med starttillstnd %d DFA-utskrift: Ekvivalensklasser: Metaekvivalensklasser: stoppvergngar: filslut %d (%d sparade) hashkollisioner, %d DFA lika %d (icke-accepterande) tillstnd fr skerhetskopiering %d tomma tabellposter %d epsilontillstnd, %d dubbla epsilontillstnd %d prototyper skapade %d regler %d uppsttningar med omallokeringar krvdes %d par med tillstnd/nsta-tillstnd skapade %d tabellposter %d mallar skapade, %d anvndningar %d tabellposter krvs totalt %d/%d (max %d) poster fr nsta kontroll skapade %d/%d (max %d) mallposter fr nsta kontroll skapade %d/%d DFA-tillstnd (%d ord) %d/%d NFA-tillstnd %d/%d basstandardposter skapade %d/%d teckenklasser behvde %d/%d ord fr lagring, %d teranvnda %d/%d ekvivalensklasser skapade %d/%d metaekvivalensklasser skapade %d/%d startvillkor %d/%d unika/duplicerade vergngar Brjan-av-rad-mnster anvnda Komprimerade tabeller skerhetskopierar alltid Inget skerhetskopierande inga teckenklasser inlsarflaggor: - och kan vara den egentliga orsaken till andra rapporter om detta radnummer fr associerad regel: utvergngar: %%option yylineno medfr en prestandafrlust ENDAST p regler som kan matcha nyradstecken %array kan inte anvndas tillsammans med flaggan -+%d skerhetskopierande (icke-accepterande) tillstnd. %option yyclass r bara meningsfull fr C++-inlsare%option yylineno kan inte anvndas tillsammans med REJECT%s %s Statistik ver anvndning av %s version %s: %s: allvarligt internt fel, %s ********** slut p utskrift *Ngot mrkligt* - tecken: %d vrde: %d -Cf och -CF r msesidigt uteslutande-Cf/-CF och -Cm kan inte anvndas tillsammans-Cf/-CF och -I kan inte anvndas tillsammans-Cf/-CF kan inte anvndas i lex-kompatibilitetslge-I (interaktiv) medfr en mindre prestandafrlust flaggan -l fr beteende som AT&T:s lex medfr en vsentlig prestandafrlust flaggan -s angiven men standardregeln kan fljas-+ kan inte anvndas tillsammans med flaggan -CF-+ kan inte anvndas tillsammans med flaggan -l--reentrant eller --bison-bridge kan inte anvndas tillsammans med flaggan -l-f eller -F kan inte anvndas tillsammans med flaggan -lKomprimerade tabeller skerhetskopierar alltid. Kunde inte skriva ecstblKunde inte skriva eoltblKunde inte skriva ftblKunde inte skriva ssltblKunde inte skriva yyacc_tblKunde inte skriva yyacclist_tblKunde inte skriva yybase_tblKunde inte skriva yychk_tblKunde inte skriva yydef_tblKunde inte skriva yymeta_tblKunde inte skriva yynultrans_tblKunde inte skriva yynxt_tblKunde inte skriva yynxt_tbl[][]filslut ptrffat inuti en handlingSlutmarkering Genererar program som utfr mnstermatchning p text. Tabellkomprimering: -Ca, --align bttre minnesjustering till priset av strre tabeller -Ce, --ecs konstruera ekvivalensklasser -Cf komprimera inte tabeller; anvnd -f-representation -CF komprimera inte tabeller; anvnd -F-representation -Cm, --meta-ecs konstruera metaekvivalensklasser -Cr, --read anvnd read() istllet fr stdio fr inlsarindata -f, --full generera snabb, stor inlsare. Samma som -Cfr -F, --fast anvnd alternativ tabellrepresentation. Samma som -CFr -Cem standardkomprimering (samma som --ecs --meta-ecs) Felskning: -d, --debug aktivera felskningslge i inlsare -b, --backup skriv skerhetskopieringsinformation till %s -p, --perf-report skriv prestandarapport till standard fel -s, --nodefault undertryck standardregel att anvnda "ECHO" p omatchad text -T, --trace %s ska kra i sprningslge -w, --nowarn generera inte varningar -v, --verbose skriv sammanfattning av inlsarstatistik till standard ut Filer: -o, --outfile=FIL ange namn p utfil -S, --skel=FIL ange mallfil -t, --stdout skriv inlsare p standard ut istllet fr %s --yyclass=NAMN namn p C++-klass --header-file=FIL skapa en C-huvudfil frutom inlsaren --tables-file[=FIL] skriv tabeller till FIL Beteende fr inlsare: -7, --7bit generera 7-bitarsinlsare -8, --8bit generera 8-bitarsinlsare -B, --batch generera batchinlsare (motsats till -I) -i, --case-insensitive ignorera skiftlge i mnster -l, --lex-compat maximal kompatibilitet med ursprungliga lex -X, --posix-compat maximal kompatibilitet med POSIX lex -I, --interactive generera interaktiv inlsare (motsats till -B) --yylineno spra radantal i yylineno Genererad kod: -+, --c++ generera C++-inlsarklass -Dmacro[=defn] definiera makrodefinition (standardefn r "1") -L, --noline undertryck #line-direktiv i inlsaren -P, --prefix=STRNG anvnd STRNG som prefix istllet fr "yy" -R, --reentrant generera en teranropbar C-inlsare --bison-bridge inlsare fr ren bisontolk. --bison-locations inkludera std fr yylloc. --stdinit initiera yyin/yyout till standard in/ut --noansi-definitions funktionsdefinitioner i gammal stil --noansi-prototypes tom parameterlista i prototyper --nounistd inkludera inte --noFUNKTION generera inte en speciell FUNKTION Diverse: -c POSIX-flagga som inte gr ngot -n POSIX-flagga som inte gr ngot -? -h, --help visa detta hjlpmeddelande -V, --version visa versionsinformation fr %s Fr lng indatarad Internt fel. flexopts r felaktiga. Backar inte. Flaggorna -+ och --reentrant r msesidigt uteslutande.REJECT kan inte anvndas tillsammans med -f eller -FREJECT medfr en vsentlig prestandafrlust Tillstnd %d r icke-accepterande - Prova "%s --help" fr mer information. Oknt fel=(%d) Ensamt "{"Oknd flagga "%s" Anvndning: %s [FLAGGOR] [FIL]... Anvndning: %s [FLAGGOR]... Regel fr varierbar efterfljande kontext p rad %d Regler fr varierbar efterfljande sammanhang medfr en vsentlig prestandafrlust frsk att ka arraystorlek misslyckadesotilltet : %sotilltet tecken "%s" funnet i check_char()otillten teckenklassotilltet uttryck fr teckenklass: %sotilltet tecken inom {}otilltet tecken: %sfelaktiga iterationsvrdenotillten rad i mallfilenfelaktig lista med startvillkorotillten tillstndstyp i mark_beginning_as_normal()otilltet vergngstecken funnet i sympartition()bisonbrygga stds inte fr C++-inlsaren.kan inte ppna %skan inte ppna mallfilen %skonsekvenskontrollen misslyckades i epsclosure()kunde inte skapa %skunde inte skapa filen %s med skerhetskopieringsinformationkunde inte skapa ett unikt buffertsluttillstndkunde inte skriva tabellhuvudfarligt efterfljande sammanhangdynamiskt minnesfel i copy_string()tom maskin i dupmachine()fel nr skerhetskopian %s skulle stngasfel vid stngande av utfilen %sfel vid stngande av mallfilen %sfel vid skapande av huvudfilen %sfel vid borttagning av utfilen %sfel nr skerhetskopian %s skulle skrivasfel vid skrivande av utfilen %sallvarligt fel vid tolkningenfann fr mnga vergngar i mkxtion()ofullstndig namndefinitionindatafel vid lsande av mallfilen %sindatareglerna r fr komplicerade (>= %d NFA-tillstnd)iterationsvrde mste vara positivtfelaktigt "%top"-direktivminnesallokeringen misslyckades i allocate_array()minnesallokeringen misslyckades i yy_flex_xmalloc()citationstecken saknas} saknasnamnet "%s" r ljligt lngtnamnet definierat tv gngernegativt intervall i teckenklassflaggan "%s" tar inget argument flaggan "%s" r tvetydig flaggan "%s" krver ett argument fr tidigt filslutregeln kan inte matchasinlsaren krver flaggan -8 fr att kunna anvnda tecknet %sstartvillkoret %s deklarerat tv gngertillstnd %4d tillstnd %d accepterar: tillstnd %d accepterar: [%d] tillstnd %d: minnesallokering fr symboltabell misslyckadesteckenintervallet [%c-%c] r tvetydigt i en skiftlgesoknslig inlsarefr mnga regler (> %d)!efterfljande kontext anvnds tv gngerodefinierad definition {%s}oknd flagga till -C "%c"oknt fel vid tolkning av avsnitt 1oknd %%option: %soknt "%"-direktivoknd regelregler fr varierbar efterfljande kontext kan inte anvndas tillsammans med -f eller -Fyymore() medfr en mindre prestandafrlust 07070100039f2d000041ed0000000000000000000000034c5ba60500000000000000b500010002ffffffffffffffff0000001f00000000root/usr/local/share/locale/ko07070100039f2e000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000002b00000000root/usr/local/share/locale/ko/LC_MESSAGES07070100039f2f000081a40000000000000000000000014c5ba5ed00002869000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/ko/LC_MESSAGES/flex.moq, 7    / 'M u .  " # & : [ *| 3   ! C0 $t )  % " #& J [ s F   "&$0K |$")E4e5E/Fc!"  #+%Q*oC%+J"^,3 (6(R{(+''Eb'0$K2p,-  2 ES0j!  %,C]t<-U+j  =&7.R",.'G2o;)O>$%!3!Eg|<%%*1P&)":/].23&# 'J %r "   * ""!&E!l!/!(!!.! )"7"O"b"r","0""!"+ #L#(b#8##1#$)"$(L$-u$+$)$)$#% 6%W%0j%,%/%0% )&7&F&f& &&6&&'#'"3' V'&d''''''7(*>(b@PO2kR4.Bn#E1m%7/gWci'\9d_&:?Ma>-f)FL 8Y, GA$;[j6DQ^*V<p ` SqJ (]5T=0NIe 3"UloKH+ZhC!X ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: jam-transitions: EOF %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d epsilon states, %d double epsilon states %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up No backing up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers: out-transitions: %array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use -f or -F with -l optionCompressed tables always back up. EOF encountered inside an actionEnd Marker No backing up. REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Variable trailing context rule at line %d Variable trailing context rules entail a large performance penalty attempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad line in skeleton filebad state type in mark_beginning_as_normal()bad transition character detected in sympartition()can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statedangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)memory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicepremature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedtoo many rules (> %d)!undefined definition {%s}unknown -C option '%c'unrecognized %%option: %sunrecognized '%' directivevariable trailing context rules cannot be used with -f or -Fyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.2 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 1997-02-05 20:30 Last-Translator: Choi Jun Ho Language-Team: Korean MIME-Version: 1.0 Content-Type: text/plain; charset=EUC-KR Content-Transfer-Encoding: 8-bit ********** %d nfa DFA : ġ: Ÿ-ġ: -: EOF %d(%d ) ؽ 浹 %d DFA ó˴ϴ %d ǵ(޾Ƶ ʴ) %d ̺ Ʈ %d Ƿ , %d Ƿ %d ϴ %d Ģ %d Ҵ ʿմϴ %d / ϴ %d ̺ Ʈ %d øƮ , %d ϴ %d ̺ Ʈ ʿմϴ %d/%d (ִ %d) nxt-chk Ʈ ϴ %d/%d (ִ %d) øƮ nxt-chk Ʈ ϴ %d/%d DFA (%d ܾ) %d/%d NFA %d/%d base-def Ʈ ϴ %d/%d տ %d/%d ڰ ʿ߰, %d Ǿϴ. %d/%d ġ ϴ %d/%d Ÿ ġ ϴ %d/%d %d/%d /ߺǴ (beginning-of-line) Ͽϴ ̺ ׻ մϴ ǵ ϴ ڷ ϴ ij ɼ: - ׸ Ƹ ٸ Դϴ Ģ ȣ: : %array -+ɼǰ ϴ%d ǵ(޾Ƶ ʴ) . %option yyclass C++ijʿԸ ǹ̰ ֽϴ%s %s : %s: ġ , %s ********** * ̻մϴ* - tok: %d val: %d -Cf -CF ϴ-Cf/-CF -Cm ǹ̰ ϴ-Cf/-CF -I ϴ-Cf/-CF lexȣȯ ʹ ϴ-I (ȭ) ұԸ ϸ ŵϴ -l AT&T lex ȣȯ ɼ ū ϸ ŵϴ -s ɼ ־ ⺻ Ģ ֽϴ-CFɼǿ -+ɼ ϴ-lɼǿ -+ɼ ϴ-lɼǿ -f -Fɼ ϴ ̺ ׻ մϴ. ߿ EOF ϴ ǥ ǵ ϴ. REJECT -f -Fɼǰ ϴREJECT ū ϸ ŵϴ ¹ȣ %d ޾Ƶ ʴ -Դϴ %d࿡ Ģ Ģ ū ϸ ŵϴ 迭 ũ⸦ ø õ ߽ϴ߸ < >: %scheck_char() ߸ '%s' ãҽϴ߸ ڷ߸ : %s{} ߸ ߸ : %s̷ Ͽ ߸ mark_beginning_as_normal() ߸ sympartition() ߸ ڸ ãҽϴ%s ϴ̷ %s ϴepsclosure() ϰ ˻簡 ߽ϴ%s ϴǵ %s ϴ (end-of-buffer)¸ ϴ copy_string() ޸ Ҵ ߽ϴdupmachine() ӽ %s ݴµ ߻߽ϴ %s ݴµ ߻߽ϴ̷ %s ݴµ ߻߽ϴ %s ߻߽ϴ %s µ ߻߽ϴ %s ߻߽ϴġ Ľ mkxtion() ̰ ʹ ϴҿ ̸ ̷ %s д ߻߽ϴԷ Ģ ʹ մϴ(>= NFA %d)allocate_array() ޸ Ҵ ߽ϴyy_flex_xmalloc() ޸ Ҵ ߽ϴοȣ } ϴ̸ "%s" ϴ̸ ι ߽ϴ۽ EOF´ Ģ ã ϴijʿ %s ؼ -8ɼ ʿմϴ %s ι ߽ϴ ȣ %4d ¹ȣ %d ޾ƵԴϴ: ¹ȣ %d [%d] ޾ƵԴϴ ¹ȣ %d: ɺ ̺ ޸ Ҵ ߽ϴĢ ʹ ϴ (> %d)!ǵ {%s} -C ɼ '%c' %%option: %s '%' Ģ -f -Fɼǰ ϴyymore() ұԸ ϸ ŵϴ 07070100039f1b000041ed0000000000000000000000034c5ba60500000000000000b500010002ffffffffffffffff0000001f00000000root/usr/local/share/locale/ca07070100039f1c000041ed0000000000000000000000024c5ba60500000000000000b500010002ffffffffffffffff0000002b00000000root/usr/local/share/locale/ca/LC_MESSAGES07070100039f1d000081a40000000000000000000000014c5ba5ed000053bd000000b500010002ffffffffffffffff0000003300000000root/usr/local/share/locale/ca/LC_MESSAGES/flex.mo  7 Q _ x  / ' .N c"o#  * 37k!C$))S%m"#F_~`"&0<+m $")?i45E/:j6!"6Mby:T r : !(!"2("#["+""&"" ##,#K#*c#C#%##+$>$"R$u$$$$$,$3%/J% z%%(%%(%+ &6&T&'o&&&&&','J'g'''''$'2' 1(R(,m(-( ( (((!)&1)X)!r) ))0)!) **.* H*%U*F{****+"&+I+c+~+<+-+^+JZ--- --E.*Y.!./.. ./.)*/T/!o///*/7/!$0F0"Z0_}0(0.1 51(V1+1C112 2K>2)222'I3)q3=323 4'4;4W4)t4#4$44@5AH5]5F5(/6'X6A6,636#7A7_7{7 7$7!7 8 "8!C8%e8 8$8$88 9%F-+FYF6nF'F9FG6&G]GtGG&GG4G[H3{H'H4H I4+I`III(I$I6J==J9{JJ&J:J*K<AK5~K/KK0L1LDPL6L7L:M8?MFxM8M2M++NWN0uN>N&N O7*O8bOO O%O#O#P%&PLP&jP PPDP;P ;QHQ_Q {Q>QeQ-R/BRrRR;RRS#SJ7S:SK[.)\v@ ] aL7`9^neRp34;?omM(dHlh/F:s%#x5u-CQkPBDrZ,U'$St0c8J Yq<z w~NWgI!1TV6A2_>|i= j&yf+*"bOEG{ X} ********** beginning dump of nfa with start state %d DFA Dump: Equivalence Classes: Meta-Equivalence Classes: jam-transitions: EOF %d (%d saved) hash collisions, %d DFAs equal %d backing-up (non-accepting) states %d empty table entries %d epsilon states, %d double epsilon states %d protos created %d rules %d sets of reallocations needed %d state/nextstate pairs created %d table entries %d templates created, %d uses %d total table entries needed %d/%d (peak %d) nxt-chk entries created %d/%d (peak %d) template nxt-chk entries created %d/%d DFA states (%d words) %d/%d NFA states %d/%d base-def entries created %d/%d character classes needed %d/%d words of storage, %d reused %d/%d equivalence classes created %d/%d meta-equivalence classes created %d/%d start conditions %d/%d unique/duplicate transitions Beginning-of-line patterns used Compressed tables always back-up No backing up no character classes scanner options: - and may be the actual source of other reported performance penalties associated rule line numbers: out-transitions: %%option yylineno entails a performance penalty ONLY on rules that can match newline characters %array incompatible with -+ option%d backing up (non-accepting) states. %option yyclass only meaningful for C++ scanners%option yylineno cannot be used with REJECT%s %s %s version %s usage statistics: %s: fatal internal error, %s ********** end of dump *Something Weird* - tok: %d val: %d -Cf and -CF are mutually exclusive-Cf/-CF and -Cm don't make sense together-Cf/-CF and -I are incompatible-Cf/-CF are incompatible with lex-compatibility mode-I (interactive) entails a minor performance penalty -l AT&T lex compatibility option entails a large performance penalty -s option given but default rule can be matchedCan't use -+ with -CF optionCan't use -+ with -l optionCan't use --reentrant or --bison-bridge with -l optionCan't use -f or -F with -l optionCompressed tables always back up. Could not write ecstblCould not write eoltblCould not write ftblCould not write ssltblCould not write yyacc_tblCould not write yyacclist_tblCould not write yybase_tblCould not write yychk_tblCould not write yydef_tblCould not write yymeta_tblCould not write yynultrans_tblCould not write yynxt_tblCould not write yynxt_tbl[][]EOF encountered inside an actionEnd Marker Generates programs that perform pattern-matching on text. Table Compression: -Ca, --align trade off larger tables for better memory alignment -Ce, --ecs construct equivalence classes -Cf do not compress tables; use -f representation -CF do not compress tables; use -F representation -Cm, --meta-ecs construct meta-equivalence classes -Cr, --read use read() instead of stdio for scanner input -f, --full generate fast, large scanner. Same as -Cfr -F, --fast use alternate table representation. Same as -CFr -Cem default compression (same as --ecs --meta-ecs) Debugging: -d, --debug enable debug mode in scanner -b, --backup write backing-up information to %s -p, --perf-report write performance report to stderr -s, --nodefault suppress default rule to ECHO unmatched text -T, --trace %s should run in trace mode -w, --nowarn do not generate warnings -v, --verbose write summary of scanner statistics to stdout Files: -o, --outfile=FILE specify output filename -S, --skel=FILE specify skeleton file -t, --stdout write scanner on stdout instead of %s --yyclass=NAME name of C++ class --header-file=FILE create a C header file in addition to the scanner --tables-file[=FILE] write tables to FILE Scanner behavior: -7, --7bit generate 7-bit scanner -8, --8bit generate 8-bit scanner -B, --batch generate batch scanner (opposite of -I) -i, --case-insensitive ignore case in patterns -l, --lex-compat maximal compatibility with original lex -X, --posix-compat maximal compatibility with POSIX lex -I, --interactive generate interactive scanner (opposite of -B) --yylineno track line count in yylineno Generated code: -+, --c++ generate C++ scanner class -Dmacro[=defn] #define macro defn (default defn is '1') -L, --noline suppress #line directives in scanner -P, --prefix=STRING use STRING as prefix instead of "yy" -R, --reentrant generate a reentrant C scanner --bison-bridge scanner for bison pure parser. --bison-locations include yylloc support. --stdinit initialize yyin/yyout to stdin/stdout --noansi-definitions old-style function definitions --noansi-prototypes empty parameter list in prototypes --nounistd do not include --noFUNCTION do not generate a particular FUNCTION Miscellaneous: -c do-nothing POSIX option -n do-nothing POSIX option -? -h, --help produce this help message -V, --version report %s version Input line too long Internal error. flexopts are malformed. No backing up. Options -+ and --reentrant are mutually exclusive.REJECT cannot be used with -f or -FREJECT entails a large performance penalty State #%d is non-accepting - Try `%s --help' for more information. Unknown error=(%d) Unmatched '{'Unrecognized option `%s' Usage: %s [OPTIONS] [FILE]... Usage: %s [OPTIONS]... Variable trailing context rule at line %d Variable trailing context rules entail a large performance penalty attempt to increase array size failedbad : %sbad character '%s' detected in check_char()bad character classbad character class expression: %sbad character inside {}'sbad character: %sbad iteration valuesbad line in skeleton filebad start condition listbad state type in mark_beginning_as_normal()bad transition character detected in sympartition()bison bridge not supported for the C++ scanner.can't open %scan't open skeleton file %sconsistency check failed in epsclosure()could not create %scould not create backing-up info file %scould not create unique end-of-buffer statecould not write tables headerdangerous trailing contextdynamic memory failure in copy_string()empty machine in dupmachine()error closing backup file %serror closing output file %serror closing skeleton file %serror creating header file %serror deleting output file %serror writing backup file %serror writing output file %sfatal parse errorfound too many transitions in mkxtion()incomplete name definitioninput error reading skeleton file %sinput rules are too complicated (>= %d NFA states)iteration value must be positivemalformed '%top' directivememory allocation failed in allocate_array()memory allocation failed in yy_flex_xmalloc()missing quotemissing }name "%s" ridiculously longname defined twicenegative range in character classoption `%s' doesn't allow an argument option `%s' is ambiguous option `%s' requires an argument premature EOFrule cannot be matchedscanner requires -8 flag to use the character %sstart condition %s declared twicestate # %4d state # %d accepts: state # %d accepts: [%d] state # %d: symbol table memory allocation failedthe character range [%c-%c] is ambiguous in a case-insensitive scannertoo many rules (> %d)!trailing context used twiceundefined definition {%s}unknown -C option '%c'unknown error processing section 1unrecognized %%option: %sunrecognized '%' directiveunrecognized rulevariable trailing context rules cannot be used with -f or -Fyymore() entails a minor performance penalty Project-Id-Version: flex 2.5.33 Report-Msgid-Bugs-To: flex-devel@lists.sourceforge.net POT-Creation-Date: 2008-02-26 16:34-0500 PO-Revision-Date: 2006-04-13 22:21+0200 Last-Translator: Jordi Mallach Language-Team: Catalan MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit ********** s'està començant el bolcat de l'afn amb l'estat inicial %d Bolcat AFD: Classes d'equivalència: Classes de metaequivalència: transicions de bloqueig: EOF %d (%d desades) col·lisions d'ubicació («hash»), %d AFD iguals %d estats de retrocés (no-acceptació) %d entrades de la tabla buides %d estats èpsilon, %d estats doble èpsilon %d prototips creats %d regles es necessiten %d conjunts de relocalització %d parells estat/estat-següent creats %d entrades de la taula %d plantilles creades, %d usos es necessiten %d entrades totals de la taula %d/%d (pic %d) entrades nxt-chk creades %d/%d (pic %d) entrades de plantilla nxt-chk creades %d/%d estats AFD (%d paraules) %d/%d estats AFN %d/%d entrades base-def creades les classes de caràcters %d/%d necessitaren %d/%d paraules de magatzement, %d reutilitzades %d/%d classes d'equivalència creades %d/%d classes de meta-equivalència creades %d/%d condicions d'activació %d/%d transicions úniques/duplicades Utilitzats patrons de principi-de-línia Sempre es realitza còpia de seguretat de les taules comprimides Sense retrocés sense classes de caràcter opcions de l'analitzador: - i pot ser l'origen real d'altres penalitzacions del rendiment notificades números de línia associats a la regla: fi de transicions: l'%%opció yylineno implica una penalització del rendiment NOMÉS en regles que poden fer coincidir caràcters de nova línia %array és incompatible amb l'opció -+%d estats de retrocés (no-acceptació). l'%opció yyclass només té sentit per a analitzadors de C++l'%opció yylineno no es pot fer servir amb REJECT%s %s estadístiques d'ús de %s versió %s: %s: error intern fatal, %s ********** final del bolcat *Quelcom estrany* - terminal: %d val: %d -Cf i -CF són mútuament excloents-Cf/-CF i -Cm no tenen sentit juntes-Cf/-CF i -I són incompatibles-Cf/-CF són incompatibles amb el mode de compatibilitat amb lex-I (interactiu) implica una xicoteta penalització del rendiment -l l'opció de compatibilitat amb AT&T lex implica una penalització del rendiment molt gran S'ha especificat l'opció -s però es pot aplicar la regla per defecteNo es pot fer servir -+ amb l'opció -CFNo es pot fer servir -+ amb l'opció -lNo es pot fer servir --reentrant o --bison-bridge amb l'opció -lNo es pot fer servir -f o -F amb l'opció -lLes taules comprimides sempre impliquen un retard. No s'ha pogut escriure ecstblNo s'ha pogut escriure eoltblNo s'ha pogut escriure ftblNo s'ha pogut escriure ssltblNo s'ha pogut escriure yyacc_tblNo s'ha pogut escriure yyacclist_tblNo s'ha pogut escriure yybase_tblNo s'ha pogut escriure yychk_tblNo s'ha pogut escriure yydef_tblNo s'ha pogut escriure yymeta_tblNo s'ha pogut escriure yynultrans_tblNo s'ha pogut escriure yynxt_tblNo s'ha pogut escriure yynxt_tbl[][]s'ha trobat un EOF dins d'una accióMarcador de fi Genera programes que realitzen emparellaments de patrons en text. Compressió de taules: -Ca, --align renuncia a taules més grans a canvi de una millor alineació -Ce, --ecs construeix classes d'equivalència -Cf no comprimeixes les taules; utilitza la representació -f -CF no comprimeixes les taules; utilitza la representació -F -Cm, --meta-ecs construeix classes de metaequivalència -Cr, --read utilitza read() en lloc de stdio com a entrada de l'analitzador -f, --full genera un analitzador ràpid i gran. El mateix que -Cfr -F, --fast usa una representació alternativa de taules. El mateix que -CFr -Cem compressió per defecte (el mateix que --ecs --meta-ecs) Depuració: -d, --debug activa el mode de depuració en l'analitzador -b, --backup escriu l'informació dels retrocessos en %s -p, --perf-report escriu l'informe de rendiment en stderr -s, --nodefault suprimeix la regla per defecte de visualitzar (ECHO) el text no emparellat -T, --trace %s hauria d'executar-se en mode traça -w, --nowarn no generes avisos -v, --verbose escriu un resum de les estadístiques de l'analitzador en stdout Fitxers: -o, --outfile=FITXER especifica el fitxer d'eixida -S, --skel=FITXER especifica el fitxer d'esquema -t, --stdout escriu l'analitzador en stdout en lloc de %s --yyclass=NOM nom de la classe C++ --header-file=FITXER crea un fitxer de capçaleres de C a més de l'analitzador --tables-file=[FITXER] escriu les taules en FITXER Comportament de l'analitzador: -7, --7bit genera un analitzador de 7 bits -8, --8bit genera un analitzador de 8 bits -B, --batch genera un analitzador no interactiu (el contrari a -I) -i, --case-insensitive Ignora les diferències de majúscules i minúscules en els patrons -l, --lex-compat compatibilitat màxima amb el lex original -X, --posix-compat compatibilitat màxima amb el lex POSIX -I, --interactive genera un analitzador interactiu (el contrari a -B) --yylineno traça el compte de línies en yylineno Codi generat: -+, --c++ genera un analitzador de la classe C++ -Dmacro[=defn] #define macro defn (defn és «1» per defecte) -L, --noline suprimeix les directives #line en l'analitzador -P, --prefix=CADENA utilitza CADENA com prefix en comptes de «yy» -R, --reentrant genera un analitzador de C reentrant --bison-bridge analitzador per a l'analitzador pur de bison --bison-locations inclou suport per a yylloc --stdinit inicialitza yyin/yyout a stdin/stdout --noansi-definitions estil antic de definicions de funcions --noansi-prototypes llista de paràmetres buida als prototips --nounistd no inclogues --noFUNCIÓ no generes una FUNCIÓ en particular Miscel·lània: -c opció POSIX sense efecte -n opció POSIX sense efecte -? -h, --help mostra aquest missatge d'ajuda -V, --version informa de la versió de %s La línia d'entrada és massa llarga Error intern. Els flexopts estan malformats. No hi ha retrocés. Les opcions -+ i --reentrant són mútuament excloentsREJECT no es pot fer servir amb -f o -FREJECT implica una penalització del rendiment molt gran L'estat #%d és no-acceptar - Proveu «%s --help» per a obtindre més informació. Error desconegut=(%d) «|» no emparellatOpció no reconeguda «%s» Forma d'ús: %s [OPCIONS] [FITXER]... Forma d'ús: %s [OPCIONS]... Regla de context posterior variable en la línia %d Les regles de context posterior variable implica una penalització del rendiment molt gran ha fallat l'intent d'augmentar la mida de la matriu incorrecta: %scaràcter incorrecte «%s» detectat en check_char()classe de caràcter incorrectaexpressió de la classe de caràcters incorrecta: %scaràcter incorrecte dins de {}caràcter incorrecte: %svalors d'iteració incorrecteslínia incorrecta en el fitxer d'esquemacondició de començament incorrectatipus d'estat incorrecte en mark_beginning_as_normal()caràcter de transició incorrecte detectat en sympartition()No es suporta «bison bridge» per a l'analitzador de C++no es pot obrir %sNo es pot obrir el fitxer d'esquema %sla comprovació de consistència ha fallat en epsclosure()no s'ha pogut crear %sno s'ha pogut crear un fitxer d'informació del retrocés %sno s'ha pogut crear un estat únic de final-de-búferno s'ha pogut crear la capçalera de les taulesContext posterior perillóserrada de la memòria dinàmica en copy_string()màquina buida en dupmachine()s'ha produït un error en tancar el fitxer de còpia de seguretat %ss'ha produït un error en tancar el fitxer d'eixida %ss'ha produït un error en tancar el fitxer d'esquema %ss'ha produït un error en crear el fitxer de capçalera %ss'ha produït un error en suprimir el fitxer d'eixida %ss'ha produït un error en escriure el fitxer de còpia de seguretat %ss'ha produït un error en escriure el fitxer d'eixida %ss'ha produït un error fatal d'anàlisi sintàctics'han trobat massa transicions en mkxtion()definició del nom incompl