/* * CDDL HEADER START * * The contents of this file are subject to the terms of the * Common Development and Distribution License (the "License"). * You may not use this file except in compliance with the License. * * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE * or http://www.opensolaris.org/os/licensing. * See the License for the specific language governing permissions * and limitations under the License. * * When distributing Covered Code, include this CDDL HEADER in each * file and include the License file at usr/src/OPENSOLARIS.LICENSE. * If applicable, add the following below this CDDL HEADER, with the * fields enclosed by brackets "[]" replaced with your own identifying * information: Portions Copyright [yyyy] [name of copyright owner] * * CDDL HEADER END */ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. */ /* Copyright (c) 1988 AT&T */ /* All Rights Reserved */ #include "dextern.h" #include "sgs.h" #include #define IDENTIFIER 257 #define MARK 258 #define TERM 259 #define LEFT 260 #define RIGHT 261 #define BINARY 262 #define PREC 263 #define LCURLY 264 #define C_IDENTIFIER 265 /* name followed by colon */ #define NUMBER 266 #define START 267 #define TYPEDEF 268 #define TYPENAME 269 #define UNION 270 #define ENDFILE 0 #define LHS_TEXT_LEN 80 /* length of lhstext */ #define RHS_TEXT_LEN 640 /* length of rhstext */ /* communication variables between various I/O routines */ #define v_FLAG 0x01 #define d_FLAG 0x02 #define DEFAULT_PREFIX "y" char *infile; /* input file name */ static int numbval; /* value of an input number */ static int toksize = NAMESIZE; static wchar_t *tokname; /* input token name */ char *parser = PARSER; /* location of common parser */ static void finact(void); static wchar_t *cstash(wchar_t *); static void defout(void); static void cpyunion(void); static void cpycode(void); static void cpyact(int); static void lhsfill(wchar_t *); static void rhsfill(wchar_t *); static void lrprnt(void); static void beg_debug(void); static void end_toks(void); static void end_debug(void); static void exp_tokname(void); static void exp_prod(void); static void exp_ntok(void); static void exp_nonterm(void); static int defin(int, wchar_t *); static int gettok(void); static int chfind(int, wchar_t *); static int skipcom(void); static int findchtok(int); static void put_prefix_define(char *); /* storage of names */ /* * initial block to place token and * nonterminal names are stored * points to initial block - more space * is allocated as needed. */ static wchar_t cnamesblk0[CNAMSZ]; static wchar_t *cnames = cnamesblk0; /* place where next name is to be put in */ static wchar_t *cnamp = cnamesblk0; /* number of defined symbols output */ static int ndefout = 3; /* storage of types */ static int defunion = 0; /* union of types defined? */ static int ntypes = 0; /* number of types defined */ static wchar_t *typeset[NTYPES]; /* pointers to type tags */ /* symbol tables for tokens and nonterminals */ int ntokens = 0; int ntoksz = NTERMS; TOKSYMB *tokset; int *toklev; int nnonter = -1; NTSYMB *nontrst; int nnontersz = NNONTERM; static int start; /* start symbol */ /* assigned token type values */ static int extval = 0; /* input and output file descriptors */ FILE *finput; /* yacc input file */ FILE *faction; /* file for saving actions */ FILE *fdefine; /* file for # defines */ FILE *ftable; /* y.tab.c file */ FILE *ftemp; /* tempfile to pass 2 */ FILE *fdebug; /* where the strings for debugging are stored */ FILE *foutput; /* y.output file */ /* output string */ static wchar_t *lhstext; static wchar_t *rhstext; /* storage for grammar rules */ int *mem0; /* production storage */ int *mem; int *tracemem; extern int *optimmem; int new_memsize = MEMSIZE; int nprod = 1; /* number of productions */ int nprodsz = NPROD; int **prdptr; int *levprd; wchar_t *had_act; /* flag for generating the # line's default is yes */ int gen_lines = 1; int act_lines = 0; /* flag for whether to include runtime debugging */ static int gen_testing = 0; /* flag for version stamping--default turned off */ static char *v_stmp = "n"; int nmbchars = 0; /* number of mb literals in mbchars */ MBCLIT *mbchars = (MBCLIT *) 0; /* array of mb literals */ int nmbcharsz = 0; /* allocated space for mbchars */ void setup(argc, argv) int argc; char *argv[]; { int ii, i, j, lev, t, ty; /* ty is the sequencial number of token name in tokset */ int c; int *p; char *cp; wchar_t actname[8]; unsigned int options = 0; char *file_prefix = DEFAULT_PREFIX; char *sym_prefix = ""; #define F_NAME_LENGTH 128 char fname[F_NAME_LENGTH+1]; foutput = NULL; fdefine = NULL; i = 1; tokname = (wchar_t *)malloc(sizeof (wchar_t) * toksize); tokset = (TOKSYMB *)malloc(sizeof (TOKSYMB) * ntoksz); toklev = (int *)malloc(sizeof (int) * ntoksz); nontrst = (NTSYMB *)malloc(sizeof (NTSYMB) * nnontersz); mem0 = (int *)malloc(sizeof (int) * new_memsize); prdptr = (int **)malloc(sizeof (int *) * (nprodsz+2)); levprd = (int *)malloc(sizeof (int) * (nprodsz+2)); had_act = (wchar_t *)calloc((nprodsz + 2), sizeof (wchar_t)); lhstext = (wchar_t *)calloc(1, sizeof (wchar_t) * LHS_TEXT_LEN); rhstext = (wchar_t *)calloc(1, sizeof (wchar_t) * RHS_TEXT_LEN); aryfil(toklev, ntoksz, 0); aryfil(levprd, nprodsz, 0); for (ii = 0; ii < ntoksz; ++ii) tokset[ii].value = 0; for (ii = 0; ii < nnontersz; ++ii) nontrst[ii].tvalue = 0; aryfil(mem0, new_memsize, 0); mem = mem0; tracemem = mem0; while ((c = getopt(argc, argv, "vVdltp:Q:Y:P:b:")) != EOF) switch (c) { case 'v': options |= v_FLAG; break; case 'V': (void) fprintf(stderr, "yacc: %s %s\n", (const char *)SGU_PKG, (const char *)SGU_REL); break; case 'Q': v_stmp = optarg; if (*v_stmp != 'y' && *v_stmp != 'n') /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate -Q and [y/n]. */ error(gettext( "yacc: -Q should be followed by [y/n]")); break; case 'd': options |= d_FLAG; break; case 'l': gen_lines = 0; /* don't gen #lines */ break; case 't': gen_testing = 1; /* set YYDEBUG on */ break; case 'Y': cp = (char *)malloc(strlen(optarg)+ sizeof ("/yaccpar") + 1); cp = strcpy(cp, optarg); parser = strcat(cp, "/yaccpar"); break; case 'P': parser = optarg; break; case 'p': if (strcmp(optarg, "yy") != 0) sym_prefix = optarg; else sym_prefix = ""; break; case 'b': file_prefix = optarg; break; case '?': default: /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * This is a usage message. The translate should be * consistent with man page translation. */ (void) fprintf(stderr, gettext( "Usage: yacc [-vVdltY] [-Q(y/n)] [-b file_prefix] [-p sym_prefix]" " [-P parser] file\n")); exit(1); } /* * Open y.output if -v is specified */ if (options & v_FLAG) { (void) strncpy(fname, file_prefix, F_NAME_LENGTH-strlen(".output")); (void) strcat(fname, ".output"); foutput = fopen(fname, "w"); if (foutput == NULL) error(gettext( "cannot open y.output")); } /* * Open y.tab.h if -d is specified */ if (options & d_FLAG) { (void) strncpy(fname, file_prefix, F_NAME_LENGTH-strlen(".tab.h")); (void) strcat(fname, ".tab.h"); fdefine = fopen(fname, "w"); if (fdefine == NULL) error(gettext( "cannot open y.tab.h")); } fdebug = fopen(DEBUGNAME, "w"); if (fdebug == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate yacc.debug. */ error(gettext( "cannot open yacc.debug")); /* * Open y.tab.c */ (void) strncpy(fname, file_prefix, F_NAME_LENGTH-strlen(".tab.c")); (void) strcat(fname, ".tab.c"); ftable = fopen(fname, "w"); if (ftable == NULL) error(gettext( "cannot open %s"), fname); ftemp = fopen(TEMPNAME, "w"); faction = fopen(ACTNAME, "w"); if (ftemp == NULL || faction == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * The message means: "Could not open a temporary file." */ error(gettext( "cannot open temp file")); if ((finput = fopen(infile = argv[optind], "r")) == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "cannot open input file")); lineno = 1; cnamp = cnames; (void) defin(0, L"$end"); extval = 0400; (void) defin(0, L"error"); (void) defin(1, L"$accept"); mem = mem0; lev = 0; ty = 0; i = 0; beg_debug(); /* initialize fdebug file */ /* * sorry -- no yacc parser here..... * we must bootstrap somehow... */ t = gettok(); if (*v_stmp == 'y') (void) fprintf(ftable, "#ident\t\"yacc: %s %s\"\n", (const char *)SGU_PKG, (const char *)SGU_REL); for (; t != MARK && t != ENDFILE; ) { int tok_in_line; switch (t) { case L';': t = gettok(); break; case START: if ((t = gettok()) != IDENTIFIER) { error("bad %%start construction"); } start = chfind(1, tokname); t = gettok(); continue; case TYPEDEF: tok_in_line = 0; if ((t = gettok()) != TYPENAME) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate %%type. */ error(gettext( "bad syntax in %%type")); ty = numbval; for (;;) { t = gettok(); switch (t) { case IDENTIFIER: /* * The following lines are idented to left. */ tok_in_line = 1; if ((t = chfind(1, tokname)) < NTBASE) { j = TYPE(toklev[t]); if (j != 0 && j != ty) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "type redeclaration of token %ws"), tokset[t].name); } else SETTYPE(toklev[t], ty); } else { j = nontrst[t-NTBASE].tvalue; if (j != 0 && j != ty) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how nonterminal is translated in translated * yacc man page or yacc user's document. */ error(gettext( "type redeclaration of nonterminal %ws"), nontrst[t-NTBASE].name); } else nontrst[t-NTBASE].tvalue = ty; } /* FALLTHRU */ /* * End Indentation */ case L',': continue; case L';': t = gettok(); break; default: break; } if (!tok_in_line) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "missing tokens or illegal tokens")); break; } continue; case UNION: /* copy the union declaration to the output */ cpyunion(); defunion = 1; t = gettok(); continue; case LEFT: case BINARY: case RIGHT: i++; /* FALLTHRU */ case TERM: tok_in_line = 0; /* nonzero means new prec. and assoc. */ lev = (t-TERM) | 04; ty = 0; /* get identifiers so defined */ t = gettok(); if (t == TYPENAME) { /* there is a type defined */ ty = numbval; t = gettok(); } for (;;) { switch (t) { case L',': t = gettok(); continue; case L';': break; case IDENTIFIER: tok_in_line = 1; j = chfind(0, tokname); if (j > NTBASE) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "%ws is not a token."), tokname); } if (lev & ~04) { if (ASSOC(toklev[j]) & ~04) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "redeclaration of precedence of %ws"), tokname); SETASC(toklev[j], lev); SETPLEV(toklev[j], i); } else { if (ASSOC(toklev[j])) (void) warning(1, gettext( "redeclaration of precedence of %ws."), tokname); SETASC(toklev[j], lev); } if (ty) { if (TYPE(toklev[j])) error(gettext( /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ "redeclaration of type of %ws"), tokname); SETTYPE(toklev[j], ty); } if ((t = gettok()) == NUMBER) { tokset[j].value = numbval; if (j < ndefout && j > 2) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "type number of %ws should be defined earlier"), tokset[j].name); } if (numbval >= -YYFLAG1) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "token numbers must be less than %d"), -YYFLAG1); } t = gettok(); } continue; } if (!tok_in_line) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "missing tokens or illegal tokens")); break; } continue; case LCURLY: defout(); cpycode(); t = gettok(); continue; default: error("syntax error"); } } if (t == ENDFILE) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate %%%%. */ error("unexpected EOF before %%%%"); } /* t is MARK */ defout(); end_toks(); /* all tokens dumped - get ready for reductions */ (void) fprintf(ftable, "\n#include \n"); (void) fprintf(ftable, "\n#ifdef __STDC__\n"); (void) fprintf(ftable, "#include \n"); (void) fprintf(ftable, "#include \n"); (void) fprintf(ftable, "#define YYCONST const\n"); (void) fprintf(ftable, "#else\n"); (void) fprintf(ftable, "#include \n"); (void) fprintf(ftable, "#include \n"); (void) fprintf(ftable, "#define YYCONST\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, "\n#include \n"); if (sym_prefix[0] != '\0') put_prefix_define(sym_prefix); (void) fprintf(ftable, "\n#if defined(__cplusplus) || defined(__STDC__)\n"); (void) fprintf(ftable, "\n#if defined(__cplusplus) && defined(__EXTERN_C__)\n"); (void) fprintf(ftable, "extern \"C\" {\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, "#ifndef yyerror\n"); (void) fprintf(ftable, "#if defined(__cplusplus)\n"); (void) fprintf(ftable, " void yyerror(YYCONST char *);\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, "#ifndef yylex\n"); (void) fprintf(ftable, " int yylex(void);\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, " int yyparse(void);\n"); (void) fprintf(ftable, "#if defined(__cplusplus) && defined(__EXTERN_C__)\n"); (void) fprintf(ftable, "}\n"); (void) fprintf(ftable, "#endif\n"); (void) fprintf(ftable, "\n#endif\n\n"); (void) fprintf(ftable, "#define yyclearin yychar = -1\n"); (void) fprintf(ftable, "#define yyerrok yyerrflag = 0\n"); (void) fprintf(ftable, "extern int yychar;\nextern int yyerrflag;\n"); if (!(defunion || ntypes)) (void) fprintf(ftable, "#ifndef YYSTYPE\n#define YYSTYPE int\n#endif\n"); (void) fprintf(ftable, "YYSTYPE yylval;\n"); (void) fprintf(ftable, "YYSTYPE yyval;\n"); (void) fprintf(ftable, "typedef int yytabelem;\n"); (void) fprintf(ftable, "#ifndef YYMAXDEPTH\n#define YYMAXDEPTH 150\n#endif\n"); (void) fprintf(ftable, "#if YYMAXDEPTH > 0\n"); (void) fprintf(ftable, "int yy_yys[YYMAXDEPTH], *yys = yy_yys;\n"); (void) fprintf(ftable, "YYSTYPE yy_yyv[YYMAXDEPTH], *yyv = yy_yyv;\n"); (void) fprintf(ftable, "#else /* user does initial allocation */\n"); (void) fprintf(ftable, "int *yys;\nYYSTYPE *yyv;\n#endif\n"); (void) fprintf(ftable, "static int yymaxdepth = YYMAXDEPTH;\n"); prdptr[0] = mem; /* added production */ *mem++ = NTBASE; /* if start is 0, we will overwrite with the lhs of the first rule */ *mem++ = start; *mem++ = 1; *mem++ = 0; prdptr[1] = mem; while ((t = gettok()) == LCURLY) cpycode(); if (t != C_IDENTIFIER) error("bad syntax on first rule"); if (!start) prdptr[0][1] = chfind(1, tokname); /* read rules */ while (t != MARK && t != ENDFILE) { /* process a rule */ if (t == L'|') { rhsfill((wchar_t *)0); /* restart fill of rhs */ *mem = *prdptr[nprod-1]; if (++mem >= &tracemem[new_memsize]) exp_mem(1); } else if (t == C_IDENTIFIER) { *mem = chfind(1, tokname); if (*mem < NTBASE) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how nonterminal is translated. */ error(gettext( "illegal nonterminal in grammar rule")); if (++mem >= &tracemem[new_memsize]) exp_mem(1); lhsfill(tokname); /* new rule: restart strings */ } else /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "illegal rule: missing semicolon or | ?")); /* read rule body */ t = gettok(); more_rule: while (t == IDENTIFIER) { *mem = chfind(1, tokname); if (*mem < NTBASE) levprd[nprod] = toklev[*mem]& ~04; if (++mem >= &tracemem[new_memsize]) exp_mem(1); rhsfill(tokname); /* add to rhs string */ t = gettok(); } if (t == PREC) { if (gettok() != IDENTIFIER) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate %%prec. */ error(gettext( "illegal %%prec syntax")); j = chfind(2, tokname); if (j >= NTBASE) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate %%prec. */ error(gettext( "nonterminal %ws illegal after %%prec"), nontrst[j-NTBASE].name); levprd[nprod] = toklev[j] & ~04; t = gettok(); } if (t == L'=') { had_act[nprod] = 1; levprd[nprod] |= ACTFLAG; (void) fprintf(faction, "\ncase %d:", nprod); cpyact(mem-prdptr[nprod] - 1); (void) fprintf(faction, " break;"); if ((t = gettok()) == IDENTIFIER) { /* action within rule... */ lrprnt(); /* dump lhs, rhs */ (void) wsprintf(actname, "$$%d", nprod); /* * make it nonterminal */ j = chfind(1, actname); /* * the current rule will become rule * number nprod+1 move the contents down, * and make room for the null */ if (mem + 2 >= &tracemem[new_memsize]) exp_mem(1); for (p = mem; p >= prdptr[nprod]; --p) p[2] = *p; mem += 2; /* enter null production for action */ p = prdptr[nprod]; *p++ = j; *p++ = -nprod; /* update the production information */ levprd[nprod+1] = levprd[nprod] & ~ACTFLAG; levprd[nprod] = ACTFLAG; if (++nprod >= nprodsz) exp_prod(); prdptr[nprod] = p; /* * make the action appear in * the original rule */ *mem++ = j; if (mem >= &tracemem[new_memsize]) exp_mem(1); /* get some more of the rule */ goto more_rule; } } while (t == L';') t = gettok(); *mem++ = -nprod; if (mem >= &tracemem[new_memsize]) exp_mem(1); /* check that default action is reasonable */ if (ntypes && !(levprd[nprod] & ACTFLAG) && nontrst[*prdptr[nprod]-NTBASE].tvalue) { /* no explicit action, LHS has value */ int tempty; tempty = prdptr[nprod][1]; if (tempty < 0) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * LHS means Left Hand Side. It does not need to be translated. */ error(gettext( "must return a value, since LHS has a type")); else if (tempty >= NTBASE) tempty = nontrst[tempty-NTBASE].tvalue; else tempty = TYPE(toklev[tempty]); if (tempty != nontrst[*prdptr[nprod]-NTBASE].tvalue) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how action is transltated in yacc man page or documents. */ error(gettext( "default action causes potential type clash")); } } if (++nprod >= nprodsz) exp_prod(); prdptr[nprod] = mem; levprd[nprod] = 0; } /* end of all rules */ end_debug(); /* finish fdebug file's input */ finact(); if (t == MARK) { if (gen_lines) (void) fprintf(ftable, "\n# line %d \"%s\"\n", lineno, infile); while ((c = getwc(finput)) != EOF) (void) putwc(c, ftable); } (void) fclose(finput); } static void finact() { /* finish action routine */ (void) fclose(faction); (void) fprintf(ftable, "# define YYERRCODE %d\n", tokset[2].value); } static wchar_t * cstash(s) register wchar_t *s; { wchar_t *temp; static int used = 0; static int used_save = 0; static int exp_cname = CNAMSZ; int len = wslen(s); /* * 2/29/88 - * Don't need to expand the table, just allocate new space. */ used_save = used; while (len >= (exp_cname - used_save)) { exp_cname += CNAMSZ; if (!used) free((char *)cnames); if ((cnames = (wchar_t *) malloc(sizeof (wchar_t)*exp_cname)) == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "cannot expand string dump")); cnamp = cnames; used = 0; } temp = cnamp; do { *cnamp++ = *s; } while (*s++); used += cnamp - temp; return (temp); } static int defin(int t, wchar_t *s) { /* define s to be a terminal if t=0 or a nonterminal if t=1 */ int val = 0; if (t) { if (++nnonter >= nnontersz) exp_nonterm(); nontrst[nnonter].name = cstash(s); return (NTBASE + nnonter); } /* must be a token */ if (++ntokens >= ntoksz) exp_ntok(); tokset[ntokens].name = cstash(s); /* establish value for token */ if (s[0] == L' ' && s[2] == 0) { /* single character literal */ val = findchtok(s[1]); } else if (s[0] == L' ' && s[1] == L'\\') { /* escape sequence */ if (s[3] == 0) { /* single character escape sequence */ switch (s[2]) { /* character which is escaped */ case L'a': (void) warning(1, gettext( /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to warning() function. * Do not trasnlate ANSI C, \\a. */ "\\a is ANSI C \"alert\" character")); #if __STDC__ - 1 == 0 val = L'\a'; break; #else val = L'\007'; break; #endif case L'v': val = L'\v'; break; case L'n': val = L'\n'; break; case L'r': val = L'\r'; break; case L'b': val = L'\b'; break; case L't': val = L'\t'; break; case L'f': val = L'\f'; break; case L'\'': val = L'\''; break; case L'"': val = L'"'; break; case L'?': val = L'?'; break; case L'\\': val = L'\\'; break; /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ default: error(gettext( "invalid escape")); } } else if (s[2] <= L'7' && s[2] >= L'0') { /* \nnn sequence */ int i = 3; val = s[2] - L'0'; while (iswdigit(s[i]) && i <= 4) { if (s[i] >= L'0' && s[i] <= L'7') val = val * 8 + s[i] - L'0'; else /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. */ error(gettext( "illegal octal number")); i++; } if (s[i] != 0) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate \\nnn. */ error(gettext( "illegal \\nnn construction")); if (val > 255) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate * \\nnn, \\xnnnnnnnn. */ error( "\\nnn exceed \\377; use \\xnnnnnnnn for wchar_t value of multibyte char"); if (val == 0 && i >= 4) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate \\000. */ error(gettext( "'\\000' is illegal")); } else if (s[2] == L'x') { /* hexadecimal \xnnn sequence */ int i = 3; val = 0; /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to warning() function. * Do not translate \\x, ANSI C. */ (void) warning(1, gettext( "\\x is ANSI C hex escape")); if (iswxdigit(s[i])) while (iswxdigit(s[i])) { int tmpval; if (iswdigit(s[i])) tmpval = s[i] - L'0'; else if (s[i] >= L'a') tmpval = s[i] - L'a' + 10; else tmpval = s[i] - L'A' + 10; val = 16 * val + tmpval; i++; } else error(gettext( "illegal hexadecimal number")); if (s[i] != 0) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate \\xnn. */ error(gettext( "illegal \\xnn construction")); #define LWCHAR_MAX 0x7fffffff if ((unsigned)val > LWCHAR_MAX) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate \\xnnnnnnnn and %#x. */ error(gettext( " \\xnnnnnnnn exceed %#x"), LWCHAR_MAX); if (val == 0) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate \\x00. */ error(gettext( "'\\x00' is illegal")); val = findchtok(val); } else error(gettext( "invalid escape")); } else { val = extval++; } tokset[ntokens].value = val; toklev[ntokens] = 0; return (ntokens); } static void defout() { /* write out the defines (at the end of the declaration section) */ register int i, c; register wchar_t *cp; for (i = ndefout; i <= ntokens; ++i) { cp = tokset[i].name; if (*cp == L' ') /* literals */ { (void) fprintf(fdebug, WSFMT("\t\"%ws\",\t%d,\n"), tokset[i].name + 1, tokset[i].value); continue; /* was cp++ */ } for (; (c = *cp) != 0; ++cp) { if (iswlower(c) || iswupper(c) || iswdigit(c) || c == L'_') /* EMPTY */; else goto nodef; } (void) fprintf(fdebug, WSFMT("\t\"%ws\",\t%d,\n"), tokset[i].name, tokset[i].value); (void) fprintf(ftable, WSFMT("# define %ws %d\n"), tokset[i].name, tokset[i].value); if (fdefine != NULL) (void) fprintf(fdefine, WSFMT("# define %ws %d\n"), tokset[i].name, tokset[i].value); nodef:; } ndefout = ntokens+1; } static int gettok() { int i, base; static int peekline; /* number of '\n' seen in lookahead */ int c, match, reserve; begin: reserve = 0; lineno += peekline; peekline = 0; c = getwc(finput); /* * while (c == ' ' || c == '\n' || c == '\t' || c == '\f') { */ while (iswspace(c)) { if (c == L'\n') ++lineno; c = getwc(finput); } if (c == L'/') { /* skip comment */ lineno += skipcom(); goto begin; } switch (c) { case EOF: return (ENDFILE); case L'{': (void) ungetwc(c, finput); return (L'='); /* action ... */ case L'<': /* get, and look up, a type name (union member name) */ i = 0; while ((c = getwc(finput)) != L'>' && c != EOF && c != L'\n') { tokname[i] = c; if (++i >= toksize) exp_tokname(); } if (c != L'>') error(gettext( "unterminated < ... > clause")); tokname[i] = 0; if (i == 0) error("missing type name in < ... > clause"); for (i = 1; i <= ntypes; ++i) { if (!wscmp(typeset[i], tokname)) { numbval = i; return (TYPENAME); } } typeset[numbval = ++ntypes] = cstash(tokname); return (TYPENAME); case L'"': case L'\'': match = c; tokname[0] = L' '; i = 1; for (;;) { c = getwc(finput); if (c == L'\n' || c == EOF) error(gettext( "illegal or missing ' or \"")); if (c == L'\\') { c = getwc(finput); tokname[i] = L'\\'; if (++i >= toksize) exp_tokname(); } else if (c == match) break; tokname[i] = c; if (++i >= toksize) exp_tokname(); } break; case L'%': case L'\\': switch (c = getwc(finput)) { case L'0': return (TERM); case L'<': return (LEFT); case L'2': return (BINARY); case L'>': return (RIGHT); case L'%': case L'\\': return (MARK); case L'=': return (PREC); case L'{': return (LCURLY); default: reserve = 1; } /* FALLTHROUGH */ default: if (iswdigit(c)) { /* number */ numbval = c - L'0'; base = (c == L'0') ? 8 : 10; for (c = getwc(finput); iswdigit(c); c = getwc(finput)) { numbval = numbval*base + c - L'0'; } (void) ungetwc(c, finput); return (NUMBER); } else if (iswlower(c) || iswupper(c) || c == L'_' || c == L'.' || c == L'$') { i = 0; while (iswlower(c) || iswupper(c) || iswdigit(c) || c == L'_' || c == L'.' || c == L'$') { tokname[i] = c; if (reserve && iswupper(c)) tokname[i] = towlower(c); if (++i >= toksize) exp_tokname(); c = getwc(finput); } } else return (c); (void) ungetwc(c, finput); } tokname[i] = 0; if (reserve) { /* find a reserved word */ if (!wscmp(tokname, L"term")) return (TERM); if (!wscmp(tokname, L"token")) return (TERM); if (!wscmp(tokname, L"left")) return (LEFT); if (!wscmp(tokname, L"nonassoc")) return (BINARY); if (!wscmp(tokname, L"binary")) return (BINARY); if (!wscmp(tokname, L"right")) return (RIGHT); if (!wscmp(tokname, L"prec")) return (PREC); if (!wscmp(tokname, L"start")) return (START); if (!wscmp(tokname, L"type")) return (TYPEDEF); if (!wscmp(tokname, L"union")) return (UNION); error(gettext( "invalid escape, or illegal reserved word: %ws"), tokname); } /* look ahead to distinguish IDENTIFIER from C_IDENTIFIER */ c = getwc(finput); /* * while (c == ' ' || c == '\t' || c == '\n' || c == '\f' || c == '/') * { */ while (iswspace(c) || c == L'/') { if (c == L'\n') { ++peekline; } else if (c == L'/') { /* look for comments */ peekline += skipcom(); } c = getwc(finput); } if (c == L':') return (C_IDENTIFIER); (void) ungetwc(c, finput); return (IDENTIFIER); } static int fdtype(int t) { /* determine the type of a symbol */ int v; if (t >= NTBASE) v = nontrst[t-NTBASE].tvalue; else v = TYPE(toklev[t]); if (v <= 0) error(gettext( "must specify type for %ws"), (t >= NTBASE) ? nontrst[t-NTBASE].name: tokset[t].name); return (v); } static int chfind(int t, wchar_t *s) { int i; if (s[0] == ' ') t = 0; TLOOP(i) { if (!wscmp(s, tokset[i].name)) { return (i); } } NTLOOP(i) { if (!wscmp(s, nontrst[i].name)) { return (i + NTBASE); } } /* cannot find name */ if (t > 1) error(gettext( "%ws should have been defined earlier"), s); return (defin(t, s)); } static void cpyunion() { /* * copy the union declaration to the output, * and the define file if present */ int level, c; if (gen_lines) (void) fprintf(ftable, "\n# line %d \"%s\"\n", lineno, infile); (void) fprintf(ftable, "typedef union\n"); if (fdefine) (void) fprintf(fdefine, "\ntypedef union\n"); (void) fprintf(ftable, "#ifdef __cplusplus\n\tYYSTYPE\n#endif\n"); if (fdefine) (void) fprintf(fdefine, "#ifdef __cplusplus\n\tYYSTYPE\n#endif\n"); level = 0; for (;;) { if ((c = getwc(finput)) == EOF) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * EOF - End Of File. * Do not translate %%union. */ error(gettext( "EOF encountered while processing %%union")); (void) putwc(c, ftable); if (fdefine) (void) putwc(c, fdefine); switch (c) { case L'\n': ++lineno; break; case L'{': ++level; break; case L'}': --level; if (level == 0) { /* we are finished copying */ (void) fprintf(ftable, " YYSTYPE;\n"); if (fdefine) (void) fprintf(fdefine, " YYSTYPE;\nextern YYSTYPE yylval;\n"); return; } } } } static void cpycode() { /* copies code between \{ and \} */ int c; c = getwc(finput); if (c == L'\n') { c = getwc(finput); lineno++; } if (gen_lines) (void) fprintf(ftable, "\n# line %d \"%s\"\n", lineno, infile); while (c != EOF) { if (c == L'\\') { if ((c = getwc(finput)) == L'}') return; else (void) putwc(L'\\', ftable); } else if (c == L'%') { if ((c = getwc(finput)) == L'}') return; else (void) putwc(L'%', ftable); } (void) putwc(c, ftable); if (c == L'\n') ++lineno; c = getwc(finput); } /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate %%}. */ error(gettext( "eof before %%}")); } static int skipcom() { /* skip over comments */ int c, i = 0; /* i is the number of lines skipped */ /* skipcom is called after reading a / */ if (getwc(finput) != L'*') error(gettext( "illegal comment")); c = getwc(finput); while (c != EOF) { while (c == L'*') { if ((c = getwc(finput)) == L'/') return (i); } if (c == L'\n') ++i; c = getwc(finput); } /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * EOF -- End Of File. */ error(gettext( "EOF inside comment")); /* NOTREACHED */ return (0); } static void cpyact(int offset) { /* copy C action to the next ; or closing } */ int brac, c, match, i, t, j, s, tok, argument, m; wchar_t id_name[NAMESIZE+1]; int id_idx = 0; if (gen_lines) { (void) fprintf(faction, "\n# line %d \"%s\"\n", lineno, infile); act_lines++; } brac = 0; id_name[0] = 0; loop: c = getwc(finput); swt: switch (c) { case L';': if (brac == 0) { (void) putwc(c, faction); return; } goto lcopy; case L'{': brac++; goto lcopy; case L'$': s = 1; tok = -1; argument = 1; while ((c = getwc(finput)) == L' ' || c == L'\t') /* NULL */; if (c == L'<') { /* type description */ (void) ungetwc(c, finput); if (gettok() != TYPENAME) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate $ */ error(gettext( "bad syntax on $ clause")); tok = numbval; c = getwc(finput); } if (c == L'$') { (void) fprintf(faction, "yyval"); if (ntypes) { /* put out the proper tag... */ if (tok < 0) tok = fdtype(*prdptr[nprod]); (void) fprintf(faction, WSFMT(".%ws"), typeset[tok]); } goto loop; } if (iswalpha(c)) { int same = 0; int id_sw = 0; (void) ungetwc(c, finput); if (gettok() != IDENTIFIER) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how action is translated in yacc man page/document. */ error(gettext( "bad action format")); /* * Save the number of non-terminal */ id_sw = nnonter; t = chfind(1, tokname); /* * Check if the identifier is added as a non-terminal */ if (id_sw != nnonter) id_sw = 1; else id_sw = 0; while ((c = getwc(finput)) == L' ' || c == L'\t') /* NULL */; if (c == L'#') { while ((c = getwc(finput)) == L' ' || c == L'\t') /* NULL */; if (iswdigit(c)) { m = 0; while (iswdigit(c)) { m = m*10+c-L'0'; c = getwc(finput); } argument = m; } else error(gettext( "illegal character \"#\"")); } if (argument < 1) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how action is translated in yacc man page/document. */ error(gettext( "illegal action argument no.")); for (i = 1; i <= offset; ++i) if (prdptr[nprod][i] == t) if (++same == argument) { (void) fprintf(faction, "yypvt[-%d]", offset-i); if (ntypes) { if (tok < 0) tok = /* CSTYLED */ fdtype(prdptr[nprod][i]); (void) fprintf(faction, WSFMT(".%ws"), typeset[tok]); } goto swt; } /* * This used to be handled as error. * Treat this as a valid C statement. * (Likely id with $ in.) * If non-terminal is added, remove it from the list. */ (void) fprintf(faction, WSFMT("$%ws"), tokname); /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to warning() function. * Do not translate Ansi C. */ warning(1, gettext( "Illegal character '$' in Ansi C symbol: %ws$%ws."), id_name, tokname); if (id_sw == 1) --nnonter; goto swt; } if (c == '-') { s = -s; c = getwc(finput); } if (iswdigit(c)) { j = 0; while (iswdigit(c)) { j = j*10 + c - L'0'; c = getwc(finput); } j = j*s - offset; if (j > 0) { /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate $%d. */ error(gettext( "Illegal use of $%d"), j + offset); } (void) fprintf(faction, "yypvt[-%d]", -j); if (ntypes) { /* put out the proper tag */ if (j + offset <= 0 && tok < 0) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate $%d. */ error(gettext( "must specify type of $%d"), j + offset); if (tok < 0) tok = fdtype(prdptr[nprod][j+offset]); (void) fprintf(faction, WSFMT(".%ws"), typeset[tok]); } goto swt; } (void) putwc(L'$', faction); if (s < 0) (void) putwc(L'-', faction); goto swt; case L'}': if (--brac) goto lcopy; (void) putwc(c, faction); return; case L'/': /* look for comments */ (void) putwc(c, faction); c = getwc(finput); if (c != L'*') goto swt; /* it really is a comment */ (void) putwc(c, faction); c = getwc(finput); while (c != EOF) { while (c == L'*') { (void) putwc(c, faction); if ((c = getwc(finput)) == L'/') goto lcopy; } (void) putwc(c, faction); if (c == L'\n') ++lineno; c = getwc(finput); } error("EOF inside comment"); /* FALLTHRU */ case L'\'': /* character constant */ case L'"': /* character string */ match = c; (void) putwc(c, faction); while ((c = getwc(finput)) != EOF) { if (c == L'\\') { (void) putwc(c, faction); c = getwc(finput); if (c == L'\n') ++lineno; } else if (c == match) goto lcopy; else if (c == L'\n') /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * This error message is issued when * quoted string has multiple lines. */ error(gettext( "newline in string or char. const.")); (void) putwc(c, faction); } error(gettext( "EOF in string or character constant")); /* FALLTHRU */ case EOF: /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Check how 'action' is translated in yacc mapage/document. */ error(gettext( "action does not terminate")); /* FALLTHRU */ case L'\n': ++lineno; goto lcopy; } lcopy: (void) putwc(c, faction); /* * Save the possible identifier name. * Used to print out a warning message. */ if (id_idx >= NAMESIZE) { /* * Error. Silently ignore. */ /* EMPTY */; } /* * If c has a possibility to be a * part of identifier, save it. */ else if (iswalnum(c) || c == L'_') { id_name[id_idx++] = c; id_name[id_idx] = 0; } else { id_idx = 0; id_name[id_idx] = 0; } goto loop; } static void lhsfill(s) /* new rule, dump old (if exists), restart strings */ wchar_t *s; { static int lhs_len = LHS_TEXT_LEN; int s_lhs = wslen(s); if (s_lhs >= lhs_len) { lhs_len = s_lhs + 2; lhstext = (wchar_t *) realloc((char *)lhstext, sizeof (wchar_t)*lhs_len); if (lhstext == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * LHS -- Left Hand Side. */ error(gettext( "couldn't expanded LHS length")); } rhsfill((wchar_t *)0); (void) wscpy(lhstext, s); /* don't worry about too long of a name */ } static void rhsfill(s) wchar_t *s; /* either name or 0 */ { static wchar_t *loc; /* next free location in rhstext */ static int rhs_len = RHS_TEXT_LEN; static int used = 0; int s_rhs = (s == NULL ? 0 : wslen(s)); register wchar_t *p; if (!s) /* print out and erase old text */ { if (*lhstext) /* there was an old rule - dump it */ lrprnt(); (loc = rhstext)[0] = 0; return; } /* add to stuff in rhstext */ p = s; used = loc - rhstext; if ((s_rhs + 3) >= (rhs_len - used)) { static wchar_t *textbase; textbase = rhstext; rhs_len += s_rhs + RHS_TEXT_LEN; rhstext = (wchar_t *) realloc((char *)rhstext, sizeof (wchar_t)*rhs_len); if (rhstext == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * RHS -- Right Hand Side. */ error(gettext( "couldn't expanded RHS length")); loc = loc - textbase + rhstext; } *loc++ = L' '; if (*s == L' ') /* special quoted symbol */ { *loc++ = L'\''; /* add first quote */ p++; } while (*loc = *p++) if (loc++ > &rhstext[ RHS_TEXT_LEN ] - 3) break; if (*s == L' ') *loc++ = L'\''; *loc = 0; /* terminate the string */ } static void lrprnt() /* print out the left and right hand sides */ { wchar_t *rhs; wchar_t *m_rhs = NULL; if (!*rhstext) /* empty rhs - print usual comment */ rhs = L" /* empty */"; else { int idx1; /* tmp idx used to find if there are d_quotes */ int idx2; /* tmp idx used to generate escaped string */ wchar_t *p; /* * Check if there are any double quote in RHS. */ for (idx1 = 0; rhstext[idx1] != 0; idx1++) { if (rhstext[idx1] == L'"') { /* * A double quote is found. */ idx2 = wslen(rhstext)*2; p = m_rhs = (wchar_t *) malloc((idx2 + 1)*sizeof (wchar_t)); if (m_rhs == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * RHS - Right Hand Side. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "Couldn't allocate memory for RHS.")); /* * Copy string */ for (idx2 = 0; rhstext[idx2] != 0; idx2++) { /* * Check if this quote is escaped or not */ if (rhstext[idx2] == L'"') { int tmp_l = idx2-1; int cnt = 0; while (tmp_l >= 0 && rhstext[tmp_l] == '\\') { cnt++; tmp_l--; } /* * If quote is not escaped, * then escape it. */ if (cnt%2 == 0) *p++ = L'\\'; } *p++ = rhstext[idx2]; } *p = 0; /* * Break from the loop */ break; } } if (m_rhs == NULL) rhs = rhstext; else rhs = m_rhs; } (void) fprintf(fdebug, WSFMT("\t\"%ws :%ws\",\n"), lhstext, rhs); if (m_rhs) free(m_rhs); } static void beg_debug() /* dump initial sequence for fdebug file */ { (void) fprintf(fdebug, "typedef struct\n"); (void) fprintf(fdebug, "#ifdef __cplusplus\n\tyytoktype\n"); (void) fprintf(fdebug, "#endif\n{\n"); (void) fprintf(fdebug, "#ifdef __cplusplus\nconst\n#endif\n"); (void) fprintf(fdebug, "char *t_name; int t_val; } yytoktype;\n"); (void) fprintf(fdebug, "#ifndef YYDEBUG\n#\tdefine YYDEBUG\t%d", gen_testing); (void) fprintf(fdebug, "\t/*%sallow debugging */\n#endif\n\n", gen_testing ? " " : " don't "); (void) fprintf(fdebug, "#if YYDEBUG\n\nyytoktype yytoks[] =\n{\n"); } static void end_toks() /* finish yytoks array, get ready for yyred's strings */ { (void) fprintf(fdebug, "\t\"-unknown-\",\t-1\t/* ends search */\n"); (void) fprintf(fdebug, "};\n\n"); (void) fprintf(fdebug, "#ifdef __cplusplus\nconst\n#endif\n"); (void) fprintf(fdebug, "char * yyreds[] =\n{\n"); (void) fprintf(fdebug, "\t\"-no such reduction-\",\n"); } static void end_debug() /* finish yyred array, close file */ { lrprnt(); /* dump last lhs, rhs */ (void) fprintf(fdebug, "};\n#endif /* YYDEBUG */\n"); (void) fclose(fdebug); } /* * 2/29/88 - * The normal length for token sizes is NAMESIZE - If a token is * seen that has a longer length, expand "tokname" by NAMESIZE. */ static void exp_tokname() { toksize += NAMESIZE; tokname = (wchar_t *) realloc((char *)tokname, sizeof (wchar_t) * toksize); } /* * 2/29/88 - * */ static void exp_prod() { int i; nprodsz += NPROD; prdptr = (int **) realloc((char *)prdptr, sizeof (int *) * (nprodsz+2)); levprd = (int *) realloc((char *)levprd, sizeof (int) * (nprodsz+2)); had_act = (wchar_t *) realloc((char *)had_act, sizeof (wchar_t) * (nprodsz+2)); for (i = nprodsz-NPROD; i < nprodsz+2; ++i) had_act[i] = 0; if ((*prdptr == NULL) || (levprd == NULL) || (had_act == NULL)) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "couldn't expand productions")); } /* * 2/29/88 - * Expand the number of terminals. Initially there are NTERMS; * each time space runs out, the size is increased by NTERMS. * The total size, however, cannot exceed MAXTERMS because of * the way LOOKSETS(struct looksets) is set up. * Tables affected: * tokset, toklev : increased to ntoksz * * tables with initial dimensions of TEMPSIZE must be changed if * (ntoksz + NNONTERM) >= TEMPSIZE : temp1[] */ static void exp_ntok() { ntoksz += NTERMS; tokset = (TOKSYMB *) realloc((char *)tokset, sizeof (TOKSYMB) * ntoksz); toklev = (int *) realloc((char *)toklev, sizeof (int) * ntoksz); if ((tokset == NULL) || (toklev == NULL)) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate NTERMS. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "couldn't expand NTERMS")); } static void exp_nonterm() { nnontersz += NNONTERM; nontrst = (NTSYMB *) realloc((char *)nontrst, sizeof (TOKSYMB) * nnontersz); if (nontrst == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * Do not translate NTERMS. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "couldn't expand NNONTERM")); } void exp_mem(flag) int flag; { int i; static int *membase; new_memsize += MEMSIZE; membase = tracemem; tracemem = (int *) realloc((char *)tracemem, sizeof (int) * new_memsize); if (tracemem == NULL) /* * TRANSLATION_NOTE -- This is a message from yacc. * This message is passed to error() function. * * You may just translate this as: * 'Could not allocate internally used memory.' */ error(gettext( "couldn't expand mem table")); if (flag) { for (i = 0; i <= nprod; ++i) prdptr[i] = prdptr[i] - membase + tracemem; mem = mem - membase + tracemem; } else { size += MEMSIZE; temp1 = (int *)realloc((char *)temp1, sizeof (int)*size); optimmem = optimmem - membase + tracemem; } } static int findchtok(chlit) int chlit; /* * findchtok(chlit) returns the token number for a character literal * chlit that is "bigger" than 255 -- the max char value that the * original yacc was build for. This yacc treate them as though * an ordinary token. */ { int i; if (chlit < 0xff) return (chlit); /* single-byte char */ for (i = 0; i < nmbchars; ++i) { if (mbchars->character == chlit) return (mbchars->tvalue); } /* Not found. Register it! */ if (++nmbchars > nmbcharsz) { /* Make sure there's enough space */ nmbcharsz += NMBCHARSZ; mbchars = (MBCLIT *) realloc((char *)mbchars, sizeof (MBCLIT)*nmbcharsz); if (mbchars == NULL) error(gettext( "too many character literals")); } mbchars[nmbchars-1].character = chlit; return (mbchars[nmbchars-1].tvalue = extval++); /* Return the newly assigned token. */ } /* * When -p is specified, symbol prefix for * yy{parse, lex, error}(), * yy{lval, val, char, debug, errflag, nerrs} * are defined to the specified name. */ static void put_prefix_define(char *pre) { char *syms[] = { /* Functions */ "parse", "lex", "error", /* Variables */ "lval", "val", "char", "debug", "errflag", "nerrs", NULL}; int i; for (i = 0; syms[i]; i++) (void) fprintf(ftable, "#define\tyy%s\t%s%s\n", syms[i], pre, syms[i]); }