277 lines
6.6 KiB
C
277 lines
6.6 KiB
C
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#ifndef lint
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/*static char yysccsid[] = "from: @(#)yaccpar 1.9 (Berkeley) 02/21/93";*/
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static char rcsid[] = "$NetBSD: error.tab.c,v 1.4 1997/01/09 20:23:30 tls Exp $";
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#endif
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#define YYBYACC 1
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#define YYMAJOR 1
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#define YYMINOR 9
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#define yyclearin (yychar=(-1))
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#define yyerrok (yyerrflag=0)
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#define YYRECOVERING (yyerrflag!=0)
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#define YYPREFIX "yy"
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#define YYERRCODE 256
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short yylhs[] = { -1,
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0,
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};
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short yylen[] = { 2,
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1,
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};
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short yydefred[] = { 0,
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1, 0,
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};
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short yydgoto[] = { 2,
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};
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short yysindex[] = { -256,
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0, 0,
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};
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short yyrindex[] = { 0,
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0, 0,
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};
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short yygindex[] = { 0,
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};
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#define YYTABLESIZE 0
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short yytable[] = { 1,
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};
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short yycheck[] = { 256,
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};
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#define YYFINAL 2
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#ifndef YYDEBUG
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#define YYDEBUG 0
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#endif
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#define YYMAXTOKEN 0
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#if YYDEBUG
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char *yyname[] = {
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"end-of-file",
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};
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char *yyrule[] = {
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"$accept : S",
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"S : error",
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};
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#endif
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#ifndef YYSTYPE
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typedef int YYSTYPE;
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#endif
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#ifdef YYSTACKSIZE
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#undef YYMAXDEPTH
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#define YYMAXDEPTH YYSTACKSIZE
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#else
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#ifdef YYMAXDEPTH
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#define YYSTACKSIZE YYMAXDEPTH
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#else
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#define YYSTACKSIZE 500
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#define YYMAXDEPTH 500
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#endif
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#endif
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int yydebug;
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int yynerrs;
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int yyerrflag;
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int yychar;
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short *yyssp;
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YYSTYPE *yyvsp;
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YYSTYPE yyval;
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YYSTYPE yylval;
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short yyss[YYSTACKSIZE];
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YYSTYPE yyvs[YYSTACKSIZE];
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#define yystacksize YYSTACKSIZE
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#line 4 "error.y"
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main(){printf("yyparse() = %d\n",yyparse());}
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yylex(){return-1;}
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yyerror(s)char*s;{printf("%s\n",s);}
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#line 80 "error.tab.c"
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#define YYABORT goto yyabort
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#define YYREJECT goto yyabort
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#define YYACCEPT goto yyaccept
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#define YYERROR goto yyerrlab
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int
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yyparse()
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{
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register int yym, yyn, yystate;
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#if YYDEBUG
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register char *yys;
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extern char *getenv();
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if (yys = getenv("YYDEBUG"))
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{
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yyn = *yys;
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if (yyn >= '0' && yyn <= '9')
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yydebug = yyn - '0';
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}
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#endif
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yynerrs = 0;
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yyerrflag = 0;
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yychar = (-1);
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yyssp = yyss;
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yyvsp = yyvs;
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*yyssp = yystate = 0;
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yyloop:
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if (yyn = yydefred[yystate]) goto yyreduce;
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if (yychar < 0)
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{
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if ((yychar = yylex()) < 0) yychar = 0;
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#if YYDEBUG
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if (yydebug)
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{
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yys = 0;
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if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
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if (!yys) yys = "illegal-symbol";
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printf("%sdebug: state %d, reading %d (%s)\n",
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YYPREFIX, yystate, yychar, yys);
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}
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#endif
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}
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if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&
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yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
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{
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: state %d, shifting to state %d\n",
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YYPREFIX, yystate, yytable[yyn]);
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#endif
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if (yyssp >= yyss + yystacksize - 1)
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{
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goto yyoverflow;
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}
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*++yyssp = yystate = yytable[yyn];
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*++yyvsp = yylval;
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yychar = (-1);
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if (yyerrflag > 0) --yyerrflag;
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goto yyloop;
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}
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if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&
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yyn <= YYTABLESIZE && yycheck[yyn] == yychar)
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{
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yyn = yytable[yyn];
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goto yyreduce;
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}
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if (yyerrflag) goto yyinrecovery;
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#ifdef lint
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goto yynewerror;
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#endif
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yynewerror:
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yyerror("syntax error");
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#ifdef lint
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goto yyerrlab;
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#endif
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yyerrlab:
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++yynerrs;
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yyinrecovery:
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if (yyerrflag < 3)
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{
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yyerrflag = 3;
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for (;;)
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{
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if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&
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yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)
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{
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: state %d, error recovery shifting\
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to state %d\n", YYPREFIX, *yyssp, yytable[yyn]);
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#endif
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if (yyssp >= yyss + yystacksize - 1)
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{
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goto yyoverflow;
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}
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*++yyssp = yystate = yytable[yyn];
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*++yyvsp = yylval;
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goto yyloop;
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}
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else
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{
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: error recovery discarding state %d\n",
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YYPREFIX, *yyssp);
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#endif
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if (yyssp <= yyss) goto yyabort;
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--yyssp;
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--yyvsp;
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}
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}
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}
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else
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{
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if (yychar == 0) goto yyabort;
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#if YYDEBUG
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if (yydebug)
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{
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yys = 0;
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if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
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if (!yys) yys = "illegal-symbol";
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printf("%sdebug: state %d, error recovery discards token %d (%s)\n",
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YYPREFIX, yystate, yychar, yys);
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}
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#endif
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yychar = (-1);
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goto yyloop;
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}
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yyreduce:
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: state %d, reducing by rule %d (%s)\n",
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YYPREFIX, yystate, yyn, yyrule[yyn]);
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#endif
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yym = yylen[yyn];
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yyval = yyvsp[1-yym];
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switch (yyn)
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{
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}
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yyssp -= yym;
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yystate = *yyssp;
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yyvsp -= yym;
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yym = yylhs[yyn];
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if (yystate == 0 && yym == 0)
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{
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: after reduction, shifting from state 0 to\
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state %d\n", YYPREFIX, YYFINAL);
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#endif
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yystate = YYFINAL;
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*++yyssp = YYFINAL;
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*++yyvsp = yyval;
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if (yychar < 0)
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{
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if ((yychar = yylex()) < 0) yychar = 0;
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#if YYDEBUG
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if (yydebug)
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{
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yys = 0;
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if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
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if (!yys) yys = "illegal-symbol";
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printf("%sdebug: state %d, reading %d (%s)\n",
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YYPREFIX, YYFINAL, yychar, yys);
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}
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#endif
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}
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if (yychar == 0) goto yyaccept;
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goto yyloop;
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}
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if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&
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yyn <= YYTABLESIZE && yycheck[yyn] == yystate)
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yystate = yytable[yyn];
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else
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yystate = yydgoto[yym];
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#if YYDEBUG
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if (yydebug)
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printf("%sdebug: after reduction, shifting from state %d \
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to state %d\n", YYPREFIX, *yyssp, yystate);
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#endif
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if (yyssp >= yyss + yystacksize - 1)
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{
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goto yyoverflow;
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}
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*++yyssp = yystate;
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*++yyvsp = yyval;
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goto yyloop;
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yyoverflow:
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yyerror("yacc stack overflow");
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yyabort:
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return (1);
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yyaccept:
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return (0);
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}
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