?? skeleton.c
字號:
#include "defs.h"/* The definition of yysccsid in the banner should be replaced with *//* a #pragma ident directive if the target C compiler supports *//* #pragma ident directives. *//* *//* If the skeleton is changed, the banner should be changed so that *//* the altered version can be easily distinguished from the original. *//* *//* The #defines included with the banner are there because they are *//* useful in subsequent code. The macros #defined in the header or *//* the body either are not useful outside of semantic actions or *//* are conditional. */char *banner[] ={ "#ifndef lint", "static char yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\";", "#endif", "#define YYBYACC 1", "#define YYMAJOR 1", "#define YYMINOR 9", "#define yyclearin (yychar=(-1))", "#define yyerrok (yyerrflag=0)", "#define YYRECOVERING (yyerrflag!=0)", 0};char *tables[] ={ "extern short yylhs[];", "extern short yylen[];", "extern short yydefred[];", "extern short yydgoto[];", "extern short yysindex[];", "extern short yyrindex[];", "extern short yygindex[];", "extern short yytable[];", "extern short yycheck[];", "#if YYDEBUG", "extern char *yyname[];", "extern char *yyrule[];", "#endif", 0};char *header[] ={ "#ifdef YYSTACKSIZE", "#undef YYMAXDEPTH", "#define YYMAXDEPTH YYSTACKSIZE", "#else", "#ifdef YYMAXDEPTH", "#define YYSTACKSIZE YYMAXDEPTH", "#else", "#define YYSTACKSIZE 500", "#define YYMAXDEPTH 500", "#endif", "#endif", "int yydebug;", "int yynerrs;", "int yyerrflag;", "int yychar;", "short *yyssp;", "YYSTYPE *yyvsp;", "YYSTYPE yyval;", "YYSTYPE yylval;", "short yyss[YYSTACKSIZE];", "YYSTYPE yyvs[YYSTACKSIZE];", "#define yystacksize YYSTACKSIZE", 0};char *body[] ={ "#define YYABORT goto yyabort", "#define YYREJECT goto yyabort", "#define YYACCEPT goto yyaccept", "#define YYERROR goto yyerrlab", "int", "yyparse()", "{", " register int yym, yyn, yystate;", "#if YYDEBUG", " register char *yys;", " extern char *getenv();", "", " if (yys = getenv(\"YYDEBUG\"))", " {", " yyn = *yys;", " if (yyn >= '0' && yyn <= '9')", " yydebug = yyn - '0';", " }", "#endif", "", " yynerrs = 0;", " yyerrflag = 0;", " yychar = (-1);", "", " yyssp = yyss;", " yyvsp = yyvs;", " *yyssp = yystate = 0;", "", "yyloop:", " if (yyn = yydefred[yystate]) goto yyreduce;", " 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(\"%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 (yyssp >= yyss + yystacksize - 1)", " {", " goto yyoverflow;", " }", " *++yyssp = yystate = yytable[yyn];", " *++yyvsp = yylval;", " yychar = (-1);", " 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;", "#ifdef lint", " goto yynewerror;", "#endif", "yynewerror:", " yyerror(\"syntax error\");", "#ifdef lint", " goto yyerrlab;", "#endif", "yyerrlab:", " ++yynerrs;", "yyinrecovery:", " if (yyerrflag < 3)", " {", " yyerrflag = 3;", " for (;;)", " {", " if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&", " yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: state %d, error recovery shifting\\", " to state %d\\n\", YYPREFIX, *yyssp, yytable[yyn]);", "#endif", " if (yyssp >= yyss + yystacksize - 1)", " {", " goto yyoverflow;", " }", " *++yyssp = yystate = yytable[yyn];", " *++yyvsp = yylval;", " goto yyloop;", " }", " else", " {", "#if YYDEBUG", " if (yydebug)", " printf(\"%sdebug: error recovery discarding state %d\\\n\",", " YYPREFIX, *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(\"%sdebug: state %d, error recovery discards token %d\ (%s)\\n\",", " YYPREFIX, yystate, yychar, yys);", " }", "#endif", " yychar = (-1);", " 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];", " yyval = yyvsp[1-yym];", " switch (yyn)", " {", 0};char *trailer[] ={ " }", " yyssp -= yym;", " yystate = *yyssp;", " yyvsp -= 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;", " *++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(\"%sdebug: state %d, reading %d (%s)\\n\",", " YYPREFIX, YYFINAL, yychar, yys);", " }", "#endif", " }", " if (yychar == 0) 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, *yyssp, yystate);", "#endif", " if (yyssp >= yyss + yystacksize - 1)", " {", " goto yyoverflow;", " }", " *++yyssp = yystate;", " *++yyvsp = yyval;", " goto yyloop;", "yyoverflow:", " yyerror(\"yacc stack overflow\");", "yyabort:", " return (1);", "yyaccept:", " return (0);", "}", 0};write_section(section)char *section[];{ register int c; register int i; register char *s; register FILE *f; f = code_file; for (i = 0; s = section[i]; ++i) { ++outline; while (c = *s) { putc(c, f); ++s; } putc('\n', f); }}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -