9032 sgs: this statement may fall through

[unleashed.git] / usr / src / cmd / sgs / yacc / common / y2.c

/*
 * 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 <stdio.h>

#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 <inttypes.h>\n");
        (void) fprintf(ftable, "\n#ifdef __STDC__\n");
        (void) fprintf(ftable, "#include <stdlib.h>\n");
        (void) fprintf(ftable, "#include <string.h>\n");
        (void) fprintf(ftable, "#define YYCONST const\n");
        (void) fprintf(ftable, "#else\n");
        (void) fprintf(ftable, "#include <malloc.h>\n");
        (void) fprintf(ftable, "#include <memory.h>\n");
        (void) fprintf(ftable, "#define YYCONST\n");
        (void) fprintf(ftable, "#endif\n");
        (void) fprintf(ftable, "\n#include <values.h>\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;

        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 $<ident>
 */
                                error(gettext(
                                "bad syntax on $<ident> clause"));
                        tok = numbval;
                        c = getwc(finput);
                }
                if (c == L'$') {
                        (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]);
}