/* 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 empty_parse #endif /* yyparse */ #ifndef yylex #define yylex empty_lex #endif /* yylex */ #ifndef yyerror #define yyerror empty_error #endif /* yyerror */ #ifndef yychar #define yychar empty_char #endif /* yychar */ #ifndef yyval #define yyval empty_val #endif /* yyval */ #ifndef yylval #define yylval empty_lval #endif /* yylval */ #ifndef yydebug #define yydebug empty_debug #endif /* yydebug */ #ifndef yynerrs #define yynerrs empty_nerrs #endif /* yynerrs */ #ifndef yyerrflag #define yyerrflag empty_errflag #endif /* yyerrflag */ #ifndef yylhs #define yylhs empty_lhs #endif /* yylhs */ #ifndef yylen #define yylen empty_len #endif /* yylen */ #ifndef yydefred #define yydefred empty_defred #endif /* yydefred */ #ifndef yydgoto #define yydgoto empty_dgoto #endif /* yydgoto */ #ifndef yysindex #define yysindex empty_sindex #endif /* yysindex */ #ifndef yyrindex #define yyrindex empty_rindex #endif /* yyrindex */ #ifndef yygindex #define yygindex empty_gindex #endif /* yygindex */ #ifndef yytable #define yytable empty_table #endif /* yytable */ #ifndef yycheck #define yycheck empty_check #endif /* yycheck */ #ifndef yyname #define yyname empty_name #endif /* yyname */ #ifndef yyrule #define yyrule empty_rule #endif /* yyrule */ #define YYPREFIX "empty_" #define YYPURE 0 #line 2 "empty.y" #ifdef YYBISON #define YYLEX_DECL() yylex(void) #define YYERROR_DECL() yyerror(const char *s) static int YYLEX_DECL(); static void YYERROR_DECL(); #endif #line 108 "empty.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 short YYINT; static const YYINT empty_lhs[] = { -1, 0, }; static const YYINT empty_len[] = { 2, 0, }; static const YYINT empty_defred[] = { 1, 0, }; static const YYINT empty_dgoto[] = { 1, }; static const YYINT empty_sindex[] = { 0, 0, }; static const YYINT empty_rindex[] = { 0, 0, }; static const YYINT empty_gindex[] = { 0, }; #define YYTABLESIZE 0 static const YYINT empty_table[] = { 0, }; static const YYINT empty_check[] = { -1, }; #define YYFINAL 1 #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 empty_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, 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"illegal-symbol", }; static const char *const empty_rule[] = { "$accept : start", "start :", }; #endif int yydebug; int yynerrs; int yyerrflag; int yychar; YYSTYPE yyval; YYSTYPE yylval; /* 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 "empty.y" #include static int YYLEX_DECL() { return -1; } static void YYERROR_DECL() { printf("%s\n",s); } #line 244 "empty.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 == 0) return YYENOMEM; data->s_base = newss; data->s_mark = newss + i; newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs)); if (newvs == 0) 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")) != 0) { yyn = *yys; if (yyn >= '0' && yyn <= '9') yydebug = yyn - '0'; } #endif 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) { if ((yychar = YYLEX) < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { yys = yyname[YYTRANSLATE(yychar)]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, yystate, yychar, yys); } #endif } if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == 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]) && (yyn += yychar) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == yychar) { yyn = yytable[yyn]; goto yyreduce; } if (yyerrflag) goto yyinrecovery; YYERROR_CALL("syntax error"); goto yyerrlab; yyerrlab: ++yynerrs; yyinrecovery: if (yyerrflag < 3) { yyerrflag = 3; for (;;) { if ((yyn = yysindex[*yystack.s_mark]) && (yyn += YYERRCODE) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == 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) { yys = yyname[YYTRANSLATE(yychar)]; 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) yyval = yystack.l_mark[1-yym]; else memset(&yyval, 0, sizeof yyval); switch (yyn) { } 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) { if ((yychar = YYLEX) < 0) yychar = YYEOF; #if YYDEBUG if (yydebug) { yys = yyname[YYTRANSLATE(yychar)]; printf("%sdebug: state %d, reading %d (%s)\n", YYPREFIX, YYFINAL, yychar, yys); } #endif } if (yychar == YYEOF) goto yyaccept; goto yyloop; } if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 && yyn <= YYTABLESIZE && yycheck[yyn] == 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); }