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-rw-r--r--code/tools/lcc/lburg/gram.c682
1 files changed, 682 insertions, 0 deletions
diff --git a/code/tools/lcc/lburg/gram.c b/code/tools/lcc/lburg/gram.c
new file mode 100644
index 0000000..a1cc890
--- /dev/null
+++ b/code/tools/lcc/lburg/gram.c
@@ -0,0 +1,682 @@
+#if defined(__STDC__) || defined(__cplusplus)
+#define YYCONST const
+#define YYPARAMS(x) x
+#define YYDEFUN(name, arglist, args) name(args)
+#define YYAND ,
+#define YYPTR void *
+#else
+#define YYCONST
+#define YYPARAMS(x) ()
+#define YYDEFUN(name, arglist, args) name arglist args;
+#define YYAND ;
+#define YYPTR char *
+#endif
+#ifndef lint
+YYCONST static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley +Cygnus.28) 01/20/91";
+#endif
+#define YYBYACC 1
+#ifndef YYDONT_INCLUDE_STDIO
+#include <stdio.h>
+#endif
+//#ifdef __cplusplus TA <tim@ngus.net> stdlib.h applies to C too
+#include <stdlib.h> /* for malloc/realloc/free */
+//#endif
+#line 2 "lburg/gram.y"
+#include <stdio.h>
+#include "lburg.h"
+/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
+static int yylineno = 0;
+#line 8 "lburg/gram.y"
+typedef union {
+ int n;
+ char *string;
+ Tree tree;
+} YYSTYPE;
+#line 37 "y.tab.c"
+#define TERMINAL 257
+#define START 258
+#define PPERCENT 259
+#define ID 260
+#define TEMPLATE 261
+#define CODE 262
+#define INT 263
+#define YYERRCODE 256
+static YYCONST short yylhs[] = { -1,
+ 0, 0, 4, 4, 6, 6, 6, 6, 7, 7,
+ 5, 5, 5, 5, 1, 3, 3, 3, 2,
+};
+static YYCONST short yylen[] = { 2,
+ 3, 1, 0, 2, 3, 3, 1, 2, 0, 4,
+ 0, 7, 2, 3, 1, 1, 4, 6, 1,
+};
+static YYCONST short yydefred[] = { 3,
+ 0, 0, 0, 9, 0, 11, 7, 4, 8, 0,
+ 15, 0, 0, 0, 5, 6, 0, 13, 0, 0,
+ 14, 0, 10, 0, 0, 0, 0, 0, 19, 0,
+ 17, 0, 12, 0, 18,
+};
+static YYCONST short yydgoto[] = { 1,
+ 12, 30, 25, 2, 13, 8, 10,
+};
+static YYCONST short yysindex[] = { 0,
+ 0, -4, -2, 0, -250, 0, 0, 0, 0, -9,
+ 0, 1, -10, -49, 0, 0, 3, 0, -44, -248,
+ 0, -244, 0, -22, -242, -244, -245, -37, 0, 10,
+ 0, -244, 0, -20, 0,
+};
+static YYCONST short yyrindex[] = { 0,
+ 0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, -39, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0,
+};
+static YYCONST short yygindex[] = { 0,
+ 11, 0, -23, 0, 0, 0, 0,
+};
+#define YYTABLESIZE 255
+static YYCONST short yytable[] = { 18,
+ 15, 16, 28, 31, 16, 7, 32, 9, 34, 11,
+ 16, 20, 21, 22, 23, 24, 29, 26, 27, 33,
+ 35, 2, 1, 19, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 16, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
+ 0, 0, 0, 0, 0, 17, 0, 0, 0, 11,
+ 14, 3, 4, 5, 6,
+};
+static YYCONST short yycheck[] = { 10,
+ 10, 41, 26, 41, 44, 10, 44, 10, 32, 260,
+ 10, 61, 10, 58, 263, 260, 262, 40, 261, 10,
+ 41, 0, 0, 13, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, 261, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
+ -1, -1, -1, -1, -1, 256, -1, -1, -1, 260,
+ 260, 256, 257, 258, 259,
+};
+#define YYFINAL 1
+#ifndef YYDEBUG
+#define YYDEBUG 0
+#endif
+#define YYMAXTOKEN 263
+#if YYDEBUG
+static YYCONST char *YYCONST yyname[] = {
+"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,"'('","')'",0,0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,
+"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
+"TERMINAL","START","PPERCENT","ID","TEMPLATE","CODE","INT",
+};
+static YYCONST char *YYCONST yyrule[] = {
+"$accept : spec",
+"spec : decls PPERCENT rules",
+"spec : decls",
+"decls :",
+"decls : decls decl",
+"decl : TERMINAL blist '\\n'",
+"decl : START nonterm '\\n'",
+"decl : '\\n'",
+"decl : error '\\n'",
+"blist :",
+"blist : blist ID '=' INT",
+"rules :",
+"rules : rules nonterm ':' tree TEMPLATE cost '\\n'",
+"rules : rules '\\n'",
+"rules : rules error '\\n'",
+"nonterm : ID",
+"tree : ID",
+"tree : ID '(' tree ')'",
+"tree : ID '(' tree ',' tree ')'",
+"cost : CODE",
+};
+#endif
+#define YYLEX yylex()
+#define YYEMPTY -1
+#define yyclearin (yychar=(YYEMPTY))
+#define yyerrok (yyerrflag=0)
+#ifndef YYINITDEPTH
+#define YYINITDEPTH 200
+#endif
+#ifdef YYSTACKSIZE
+#ifndef YYMAXDEPTH
+#define YYMAXDEPTH YYSTACKSIZE
+#endif
+#else
+#ifdef YYMAXDEPTH
+#define YYSTACKSIZE YYMAXDEPTH
+#else
+#define YYSTACKSIZE 500
+#define YYMAXDEPTH 500
+#endif
+#endif
+#ifndef YYMAXSTACKSIZE
+#define YYMAXSTACKSIZE 10000
+#endif
+int yydebug;
+int yynerrs;
+int yyerrflag;
+int yychar;
+YYSTYPE yyval;
+YYSTYPE yylval;
+static short *yyss;
+static YYSTYPE *yyvs;
+static int yystacksize;
+#define yyfree(x) free(x)
+extern int yylex();
+
+static YYPTR
+YYDEFUN (yymalloc, (bytes), unsigned bytes)
+{
+ YYPTR ptr = (YYPTR) malloc (bytes);
+ if (ptr != 0) return (ptr);
+ yyerror ("yyparse: memory exhausted");
+ return (0);
+}
+
+static YYPTR
+YYDEFUN (yyrealloc, (old, bytes), YYPTR old YYAND unsigned bytes)
+{
+ YYPTR ptr = (YYPTR) realloc (old, bytes);
+ if (ptr != 0) return (ptr);
+ yyerror ("yyparse: memory exhausted");
+ return (0);
+}
+
+static int
+#ifdef __GNUC__
+inline
+#endif
+yygrow ()
+{
+#if YYDEBUG
+ int old_stacksize = yystacksize;
+#endif
+ short *new_yyss;
+ YYSTYPE *new_yyvs;
+
+ if (yystacksize == YYMAXSTACKSIZE)
+ return (1);
+ yystacksize += (yystacksize + 1 ) / 2;
+ if (yystacksize > YYMAXSTACKSIZE)
+ yystacksize = YYMAXSTACKSIZE;
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: growing stack size from %d to %d\n",
+ old_stacksize, yystacksize);
+#endif
+ new_yyss = (short *) yyrealloc ((char *)yyss, yystacksize * sizeof (short));
+ if (new_yyss == 0)
+ return (1);
+ new_yyvs = (YYSTYPE *) yyrealloc ((char *)yyvs, yystacksize * sizeof (YYSTYPE));
+ if (new_yyvs == 0)
+ {
+ yyfree (new_yyss);
+ return (1);
+ }
+ yyss = new_yyss;
+ yyvs = new_yyvs;
+ return (0);
+}
+#line 60 "lburg/gram.y"
+#include <assert.h>
+#include <stdarg.h>
+#include <ctype.h>
+#include <string.h>
+#include <limits.h>
+
+int errcnt = 0;
+FILE *infp = NULL;
+FILE *outfp = NULL;
+static char buf[BUFSIZ], *bp = buf;
+static int ppercent = 0;
+static int code = 0;
+
+static int get(void) {
+ if (*bp == 0) {
+ bp = buf;
+ *bp = 0;
+ if (fgets(buf, sizeof buf, infp) == NULL)
+ return EOF;
+ yylineno++;
+ while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
+ for (;;) {
+ if (fgets(buf, sizeof buf, infp) == NULL) {
+ yywarn("unterminated %{...%}\n");
+ return EOF;
+ }
+ yylineno++;
+ if (strcmp(buf, "%}\n") == 0)
+ break;
+ fputs(buf, outfp);
+ }
+ if (fgets(buf, sizeof buf, infp) == NULL)
+ return EOF;
+ yylineno++;
+ }
+ }
+ return *bp++;
+}
+
+void yyerror(char *fmt, ...) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (yylineno > 0)
+ fprintf(stderr, "line %d: ", yylineno);
+ vfprintf(stderr, fmt, ap);
+ if (fmt[strlen(fmt)-1] != '\n')
+ fprintf(stderr, "\n");
+ errcnt++;
+ va_end(ap);
+}
+
+int yylex(void) {
+ int c;
+
+ if (code) {
+ char *p;
+ bp += strspn(bp, " \t\f");
+ p = strchr(bp, '\n');
+ if (p == NULL)
+ p = strchr(bp, '\n');
+ while (p > bp && isspace(p[-1]))
+ p--;
+ yylval.string = alloc(p - bp + 1);
+ strncpy(yylval.string, bp, p - bp);
+ yylval.string[p - bp] = 0;
+ bp = p;
+ code--;
+ return CODE;
+ }
+ while ((c = get()) != EOF) {
+ switch (c) {
+ case ' ': case '\f': case '\t':
+ continue;
+ case '\n':
+ case '(': case ')': case ',':
+ case ':': case '=':
+ return c;
+ }
+ if (c == '%' && *bp == '%') {
+ bp++;
+ return ppercent++ ? 0 : PPERCENT;
+ } else if (c == '%' && strncmp(bp, "term", 4) == 0
+ && isspace(bp[4])) {
+ bp += 4;
+ return TERMINAL;
+ } else if (c == '%' && strncmp(bp, "start", 5) == 0
+ && isspace(bp[5])) {
+ bp += 5;
+ return START;
+ } else if (c == '"') {
+ char *p = strchr(bp, '"');
+ if (p == NULL) {
+ yyerror("missing \" in assembler template\n");
+ p = strchr(bp, '\n');
+ if (p == NULL)
+ p = strchr(bp, '\0');
+ }
+ assert(p);
+ yylval.string = alloc(p - bp + 1);
+ strncpy(yylval.string, bp, p - bp);
+ yylval.string[p - bp] = 0;
+ bp = *p == '"' ? p + 1 : p;
+ code++;
+ return TEMPLATE;
+ } else if (isdigit(c)) {
+ int n = 0;
+ do {
+ int d = c - '0';
+ if (n > (INT_MAX - d)/10)
+ yyerror("integer greater than %d\n", INT_MAX);
+ else
+ n = 10*n + d;
+ c = get();
+ } while (c != EOF && isdigit(c));
+ bp--;
+ yylval.n = n;
+ return INT;
+ } else if (isalpha(c)) {
+ char *p = bp - 1;
+ while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
+ bp++;
+ yylval.string = alloc(bp - p + 1);
+ strncpy(yylval.string, p, bp - p);
+ yylval.string[bp - p] = 0;
+ return ID;
+ } else if (isprint(c))
+ yyerror("invalid character `%c'\n", c);
+ else
+ yyerror("invalid character `\\%03o'\n", (unsigned char)c);
+ }
+ return 0;
+}
+
+void yywarn(char *fmt, ...) {
+ va_list ap;
+
+ va_start(ap, fmt);
+ if (yylineno > 0)
+ fprintf(stderr, "line %d: ", yylineno);
+ fprintf(stderr, "warning: ");
+ vfprintf(stderr, fmt, ap);
+}
+#line 403 "y.tab.c"
+#define YYABORT goto yyabort
+#define YYACCEPT goto yyaccept
+#define YYERROR goto yyerrlab
+
+#if YYDEBUG
+#ifdef __cplusplus
+extern "C" char *getenv();
+#else
+extern char *getenv();
+#endif
+#endif
+
+int
+yyparse()
+{
+ register int yym, yyn, yystate;
+ register YYSTYPE *yyvsp;
+ register short *yyssp;
+ short *yysse;
+#if YYDEBUG
+ register YYCONST char *yys;
+
+ if (yys = getenv("YYDEBUG"))
+ {
+ yyn = *yys;
+ if (yyn >= '0' && yyn <= '9')
+ yydebug = yyn - '0';
+ }
+#endif
+
+ yynerrs = 0;
+ yyerrflag = 0;
+ yychar = (-1);
+
+ if (yyss == 0)
+ {
+ yyss = (short *) yymalloc (YYSTACKSIZE * sizeof (short));
+ if (yyss == 0)
+ goto yyabort;
+ yyvs = (YYSTYPE *) yymalloc (YYSTACKSIZE * sizeof (YYSTYPE));
+ if (yyvs == 0)
+ {
+ yyfree (yyss);
+ goto yyabort;
+ }
+ yystacksize = YYSTACKSIZE;
+ }
+ yysse = yyss + yystacksize - 1;
+ yyssp = yyss;
+ yyvsp = yyvs;
+ *yyssp = yystate = 0;
+ goto yyloop;
+
+yypush_lex:
+ yyval = yylval;
+ yystate = yytable[yyn];
+yypush:
+ if (yyssp >= yysse)
+ {
+ int depth = yyssp - yyss;
+ if (yygrow() != 0)
+ goto yyoverflow;
+ yysse = yyss + yystacksize -1;
+ yyssp = depth + yyss;
+ yyvsp = depth + yyvs;
+ }
+ *++yyssp = yystate;
+ *++yyvsp = yyval;
+
+yyloop:
+ if ((yyn = yydefred[yystate])) goto yyreduce;
+ yyn = yysindex[yystate];
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, reading %d (%s)\n", yystate,
+ yychar, yys);
+ }
+#endif
+ }
+ if (yyn != 0
+ && ((yyn += yychar), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
+ && yycheck[yyn] == yychar)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, shifting to state %d\n",
+ yystate, yytable[yyn]);
+#endif
+ if (yyerrflag > 0) --yyerrflag;
+ yychar = (-1);
+ goto yypush_lex;
+ }
+ yyn = yyrindex[yystate];
+ if (yyn != 0
+ && ((yyn += yychar), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
+ && yycheck[yyn] == yychar)
+ {
+ yyn = yytable[yyn];
+ goto yyreduce;
+ }
+ if (yyerrflag) goto yyinrecovery;
+#ifdef lint
+ goto yynewerror;
+yynewerror:
+#endif
+ yyerror("syntax error");
+#ifdef lint
+ goto yyerrlab;
+yyerrlab:
+#endif
+ ++yynerrs;
+yyinrecovery:
+ if (yyerrflag < 3)
+ {
+ yyerrflag = 3;
+ for (;;)
+ {
+ yyn = yysindex[*yyssp];
+ if (yyn != 0
+ && ((yyn += YYERRCODE), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
+ && yycheck[yyn] == YYERRCODE)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, error recovery shifting\
+ to state %d\n", *yyssp, yytable[yyn]);
+#endif
+ goto yypush_lex;
+ }
+ else
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: error recovery discarding state %d\n",
+ *yyssp);
+#endif
+ if (yyssp <= yyss) goto yyabort;
+ --yyssp;
+ --yyvsp;
+ }
+ }
+ }
+ else
+ {
+ if (yychar == 0) goto yyabort;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, error recovery discards token %d (%s)\n",
+ yystate, yychar, yys);
+ }
+#endif
+ yychar = (-1);
+ goto yyloop;
+ }
+yyreduce:
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: state %d, reducing by rule %d (%s)\n",
+ yystate, yyn, yyrule[yyn]);
+#endif
+ yym = yylen[yyn];
+ yyval = yyvsp[1-yym];
+ switch (yyn)
+ {
+case 1:
+#line 22 "lburg/gram.y"
+{ yylineno = 0; }
+break;
+case 2:
+#line 23 "lburg/gram.y"
+{ yylineno = 0; }
+break;
+case 6:
+#line 31 "lburg/gram.y"
+{
+ if (nonterm(yyvsp[-1].string)->number != 1)
+ yyerror("redeclaration of the start symbol\n");
+ }
+break;
+case 8:
+#line 36 "lburg/gram.y"
+{ yyerrok; }
+break;
+case 10:
+#line 40 "lburg/gram.y"
+{ term(yyvsp[-2].string, yyvsp[0].n); }
+break;
+case 12:
+#line 44 "lburg/gram.y"
+{ rule(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-2].string, yyvsp[-1].string); }
+break;
+case 14:
+#line 46 "lburg/gram.y"
+{ yyerrok; }
+break;
+case 15:
+#line 49 "lburg/gram.y"
+{ nonterm(yyval.string = yyvsp[0].string); }
+break;
+case 16:
+#line 52 "lburg/gram.y"
+{ yyval.tree = tree(yyvsp[0].string, 0, 0); }
+break;
+case 17:
+#line 53 "lburg/gram.y"
+{ yyval.tree = tree(yyvsp[-3].string, yyvsp[-1].tree, 0); }
+break;
+case 18:
+#line 54 "lburg/gram.y"
+{ yyval.tree = tree(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-1].tree); }
+break;
+case 19:
+#line 57 "lburg/gram.y"
+{ if (*yyvsp[0].string == 0) yyval.string = "0"; }
+break;
+#line 630 "y.tab.c"
+ }
+ yyssp -= yym;
+ yyvsp -= yym;
+ yym = yylhs[yyn];
+ yystate = *yyssp;
+ if (yystate == 0 && yym == 0)
+ {
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: after reduction, shifting from state 0 to\
+ state %d\n", YYFINAL);
+#endif
+ yystate = YYFINAL;
+ *++yyssp = YYFINAL;
+ *++yyvsp = yyval;
+ if (yychar < 0)
+ {
+ if ((yychar = yylex()) < 0) yychar = 0;
+#if YYDEBUG
+ if (yydebug)
+ {
+ yys = 0;
+ if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
+ if (!yys) yys = "illegal-symbol";
+ printf("yydebug: state %d, reading %d (%s)\n",
+ YYFINAL, yychar, yys);
+ }
+#endif
+ }
+ if (yychar == 0) goto yyaccept;
+ goto yyloop;
+ }
+ yyn = yygindex[yym];
+ if (yyn != 0
+ && ((yyn += yystate), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
+ && yycheck[yyn] == yystate)
+ yystate = yytable[yyn];
+ else
+ yystate = yydgoto[yym];
+#if YYDEBUG
+ if (yydebug)
+ printf("yydebug: after reduction, shifting from state %d \
+to state %d\n", *yyssp, yystate);
+#endif
+ goto yypush;
+yyoverflow:
+ yyerror("yacc stack overflow");
+yyabort:
+ return (1);
+yyaccept:
+ return (0);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-24 01:20:09 +0000