/* original parser id follows */ /* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */ /* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */ #define YYBYACC 1 #define YYMAJOR 1 #define YYMINOR 9 #define YYCHECK "yyyymmdd" #define YYEMPTY (-1) #define yyclearin (yychar = YYEMPTY) #define yyerrok (yyerrflag = 0) #define YYRECOVERING() (yyerrflag != 0) #define YYENOMEM (-2) #define YYEOF 0 #ifndef yyparse #define yyparse err_syntax18_parse #endif /* yyparse */ #ifndef yylex #define yylex err_syntax18_lex #endif /* yylex */ #ifndef yyerror #define yyerror err_syntax18_error #endif /* yyerror */ #ifndef yychar #define yychar err_syntax18_char #endif /* yychar */ #ifndef yyval #define yyval err_syntax18_val #endif /* yyval */ #ifndef yylval #define yylval err_syntax18_lval #endif /* yylval */ #ifndef yydebug #define yydebug err_syntax18_debug #endif /* yydebug */ #ifndef yynerrs #define yynerrs err_syntax18_nerrs #endif /* yynerrs */ #ifndef yyerrflag #define yyerrflag err_syntax18_errflag #endif /* yyerrflag */ #ifndef yylhs #define yylhs err_syntax18_lhs #endif /* yylhs */ #ifndef yylen #define yylen err_syntax18_len #endif /* yylen */ #ifndef yydefred #define yydefred err_syntax18_defred #endif /* yydefred */ #ifndef yydgoto #define yydgoto err_syntax18_dgoto #endif /* yydgoto */ #ifndef yysindex #define yysindex err_syntax18_sindex #endif /* yysindex */ #ifndef yyrindex #define yyrindex err_syntax18_rindex #endif /* yyrindex */ #ifndef yygindex #define yygindex err_syntax18_gindex #endif /* yygindex */ #ifndef yytable #define yytable err_syntax18_table #endif /* yytable */ #ifndef yycheck #define yycheck err_syntax18_check #endif /* yycheck */ #ifndef yyname #define yyname err_syntax18_name #endif /* yyname */ #ifndef yyrule #define yyrule err_syntax18_rule #endif /* yyrule */ #define YYPREFIX "err_syntax18_" #define YYPURE 0 #line 2 "err_syntax18.y" int yylex(void); static void yyerror(const char *); #line 104 "err_syntax18.tab.c" #if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED) /* Default: YYSTYPE is the semantic value type. */ typedef int YYSTYPE; # define YYSTYPE_IS_DECLARED 1 #endif /* compatibility with bison */ #ifdef YYPARSE_PARAM /* compatibility with FreeBSD */ # ifdef YYPARSE_PARAM_TYPE # define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM) # else # define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM) # endif #else # define YYPARSE_DECL() yyparse(void) #endif /* Parameters sent to lex. */ #ifdef YYLEX_PARAM # define YYLEX_DECL() yylex(void *YYLEX_PARAM) # define YYLEX yylex(YYLEX_PARAM) #else # define YYLEX_DECL() yylex(void) # define YYLEX yylex() #endif /* Parameters sent to yyerror. */ #ifndef YYERROR_DECL #define YYERROR_DECL() yyerror(const char *s) #endif #ifndef YYERROR_CALL #define YYERROR_CALL(msg) yyerror(msg) #endif extern int YYPARSE_DECL(); #define YYERRCODE 256 typedef int YYINT; static const YYINT err_syntax18_lhs[] = { -1, 0, }; static const YYINT err_syntax18_len[] = { 2, 3, }; static const YYINT err_syntax18_defred[] = { 0, 0, 0, 0, 1, }; static const YYINT err_syntax18_dgoto[] = { 2, }; static const YYINT err_syntax18_sindex[] = { -40, -40, 0, -39, 0, }; static const YYINT err_syntax18_rindex[] = { 0, 0, 0, 0, 0, }; static const YYINT err_syntax18_gindex[] = { 2, }; #define YYTABLESIZE 3 static const YYINT err_syntax18_table[] = { 1, 0, 4, 3, }; static const YYINT err_syntax18_check[] = { 40, -1, 41, 1, }; #define YYFINAL 2 #ifndef YYDEBUG #define YYDEBUG 0 #endif #define YYMAXTOKEN 256 #define YYUNDFTOKEN 259 #define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a)) #if YYDEBUG static const char *const err_syntax18_name[] = { "end-of-file",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol", }; static const char *const err_syntax18_rule[] = { "$accept : expr", "expr : '(' expr ')'", }; #endif #if YYDEBUG int yydebug; #endif int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; int yynerrs; /* define the initial stack-sizes */ #ifdef YYSTACKSIZE #undef YYMAXDEPTH #define YYMAXDEPTH YYSTACKSIZE #else #ifdef YYMAXDEPTH #define YYSTACKSIZE YYMAXDEPTH #else #define YYSTACKSIZE 10000 #define YYMAXDEPTH 10000 #endif #endif #define YYINITSTACKSIZE 200 typedef struct { unsigned stacksize; YYINT *s_base; YYINT *s_mark; YYINT *s_last; YYSTYPE *l_base; YYSTYPE *l_mark; } YYSTACKDATA; /* variables for the parser stack */ static YYSTACKDATA yystack; #line 13 "err_syntax18.y" #include int main(void) { printf("yyparse() = %d\n", yyparse()); return 0; } int yylex(void) { return -1; } static void yyerror(const char* s) { printf("%s\n", s); } #line 253 "err_syntax18.tab.c" #if YYDEBUG #include /* needed for printf */ #endif #include /* needed for malloc, etc */ #include /* needed for memset */ /* allocate initial stack or double stack size, up to YYMAXDEPTH */ static int yygrowstack(YYSTACKDATA *data) { int i; unsigned newsize; YYINT *newss; YYSTYPE *newvs; if ((newsize = data->stacksize) == 0) newsize = YYINITSTACKSIZE; else if (newsize >= YYMAXDEPTH) return YYENOMEM; else if ((newsize *= 2) > YYMAXDEPTH) newsize = YYMAXDEPTH; i = (int) (data->s_mark - data->s_base); newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss)); if (newss == NULL) return YYENOMEM; data->s_base = newss; data->s_mark = newss + i; newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); if (newvs == NULL) return YYENOMEM; data->l_base = newvs; data->l_mark = newvs + i; data->stacksize = newsize; data->s_last = data->s_base + newsize - 1; return 0; } #if YYPURE || defined(YY_NO_LEAKS) static void yyfreestack(YYSTACKDATA *data) { free(data->s_base); free(data->l_base); memset(data, 0, sizeof(*data)); } #else #define yyfreestack(data) /* nothing */ #endif #define YYABORT goto yyabort #define YYREJECT goto yyabort #define YYACCEPT goto yyaccept #define YYERROR goto yyerrlab int YYPARSE_DECL() { int yym, yyn, yystate; #if YYDEBUG const char *yys; if ((yys = getenv("YYDEBUG")) != NULL) { yyn = *yys; if (yyn >= '0' && yyn <= '9') yydebug = yyn - '0'; } #endif yym = 0; yyn = 0; yynerrs = 0; yyerrflag = 0; yychar = YYEMPTY; yystate = 0; #if YYPURE memset(&yystack, 0, sizeof(yystack)); #endif if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystack.s_mark = yystack.s_base; yystack.l_mark = yystack.l_base; yystate = 0; *yystack.s_mark = 0; yyloop: if ((yyn = yydefred[yystate]) != 0) goto yyreduce; if (yychar < 0) { yychar = YYLEX; if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, yystate, yychar, yys); } #endif } if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { #if YYDEBUG if (yydebug) printf("%sdebug: state %d, shifting to state %d\n", YYPREFIX, yystate, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; yychar = YYEMPTY; if (yyerrflag > 0) --yyerrflag; goto yyloop; } if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar) { yyn = yytable[yyn]; goto yyreduce; } if (yyerrflag != 0) goto yyinrecovery; YYERROR_CALL("syntax error"); goto yyerrlab; /* redundant goto avoids 'unused label' warning */ yyerrlab: ++yynerrs; yyinrecovery: if (yyerrflag < 3) { yyerrflag = 3; for (;;) { if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE) { #if YYDEBUG if (yydebug) printf("%sdebug: state %d, error recovery shifting\ to state %d\n", YYPREFIX, *yystack.s_mark, yytable[yyn]); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; yystate = yytable[yyn]; *++yystack.s_mark = yytable[yyn]; *++yystack.l_mark = yylval; goto yyloop; } else { #if YYDEBUG if (yydebug) printf("%sdebug: error recovery discarding state %d\n", YYPREFIX, *yystack.s_mark); #endif if (yystack.s_mark <= yystack.s_base) goto yyabort; --yystack.s_mark; --yystack.l_mark; } } } else { if (yychar == YYEOF) goto yyabort; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, error recovery discards token %d (%s)\n", YYPREFIX, yystate, yychar, yys); } #endif yychar = YYEMPTY; goto yyloop; } yyreduce: #if YYDEBUG if (yydebug) printf("%sdebug: state %d, reducing by rule %d (%s)\n", YYPREFIX, yystate, yyn, yyrule[yyn]); #endif yym = yylen[yyn]; if (yym > 0) yyval = yystack.l_mark[1-yym]; else memset(&yyval, 0, sizeof yyval); switch (yyn) { case 1: #line 9 "err_syntax18.y" { yyval = yystack.l_mark[1]; } break; #line 456 "err_syntax18.tab.c" } yystack.s_mark -= yym; yystate = *yystack.s_mark; yystack.l_mark -= yym; yym = yylhs[yyn]; if (yystate == 0 && yym == 0) { #if YYDEBUG if (yydebug) printf("%sdebug: after reduction, shifting from state 0 to\ state %d\n", YYPREFIX, YYFINAL); #endif yystate = YYFINAL; *++yystack.s_mark = YYFINAL; *++yystack.l_mark = yyval; if (yychar < 0) { yychar = YYLEX; if (yychar < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, YYFINAL, yychar, yys); } #endif } if (yychar == YYEOF) goto yyaccept; goto yyloop; } if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate) yystate = yytable[yyn]; else yystate = yydgoto[yym]; #if YYDEBUG if (yydebug) printf("%sdebug: after reduction, shifting from state %d \ to state %d\n", YYPREFIX, *yystack.s_mark, yystate); #endif if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow; *++yystack.s_mark = (YYINT) yystate; *++yystack.l_mark = yyval; goto yyloop; yyoverflow: YYERROR_CALL("yacc stack overflow"); yyabort: yyfreestack(&yystack); return (1); yyaccept: yyfreestack(&yystack); return (0); }