| 1 | #include "defs.h"
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| 2 |
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| 3 | /* The definition of yysccsid in the banner should be replaced with */
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| 4 | /* a #pragma ident directive if the target C compiler supports */
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| 5 | /* #pragma ident directives. */
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| 6 | /* */
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| 7 | /* If the skeleton is changed, the banner should be changed so that */
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| 8 | /* the altered version can be easily distinguished from the original. */
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| 9 | /* */
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| 10 | /* The #defines included with the banner are there because they are */
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| 11 | /* useful in subsequent code. The macros #defined in the header or */
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| 12 | /* the body either are not useful outside of semantic actions or */
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| 13 | /* are conditional. */
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| 14 |
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| 15 | char *banner[] =
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| 16 | {
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| 17 | "#ifndef lint",
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| 18 | "static char yysccsid[] = \"@(#)yaccpar 1.9 (Berkeley) 02/21/93\";",
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| 19 | "#endif",
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| 20 | "#define YYBYACC 1",
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| 21 | "#define YYMAJOR 1",
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| 22 | "#define YYMINOR 9",
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| 23 | "#define yyclearin (yychar=(-1))",
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| 24 | "#define yyerrok (yyerrflag=0)",
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| 25 | "#define YYRECOVERING (yyerrflag!=0)",
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| 26 | 0
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| 27 | };
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| 28 |
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| 29 |
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| 30 | char *tables[] =
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| 31 | {
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| 32 | "extern short yylhs[];",
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| 33 | "extern short yylen[];",
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| 34 | "extern short yydefred[];",
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| 35 | "extern short yydgoto[];",
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| 36 | "extern short yysindex[];",
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| 37 | "extern short yyrindex[];",
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| 38 | "extern short yygindex[];",
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| 39 | "extern short yytable[];",
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| 40 | "extern short yycheck[];",
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| 41 | "#if YYDEBUG",
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| 42 | "extern char *yyname[];",
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| 43 | "extern char *yyrule[];",
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| 44 | "#endif",
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| 45 | 0
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| 46 | };
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| 47 |
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| 48 |
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| 49 | char *header[] =
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| 50 | {
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| 51 | "#ifdef YYSTACKSIZE",
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| 52 | "#undef YYMAXDEPTH",
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| 53 | "#define YYMAXDEPTH YYSTACKSIZE",
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| 54 | "#else",
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| 55 | "#ifdef YYMAXDEPTH",
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| 56 | "#define YYSTACKSIZE YYMAXDEPTH",
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| 57 | "#else",
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| 58 | "#define YYSTACKSIZE 500",
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| 59 | "#define YYMAXDEPTH 500",
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| 60 | "#endif",
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| 61 | "#endif",
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| 62 | "int yydebug;",
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| 63 | "int yynerrs;",
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| 64 | "int yyerrflag;",
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| 65 | "int yychar;",
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| 66 | "short *yyssp;",
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| 67 | "YYSTYPE *yyvsp;",
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| 68 | "YYSTYPE yyval;",
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| 69 | "YYSTYPE yylval;",
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| 70 | "short yyss[YYSTACKSIZE];",
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| 71 | "YYSTYPE yyvs[YYSTACKSIZE];",
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| 72 | "#define yystacksize YYSTACKSIZE",
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| 73 | 0
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| 74 | };
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| 75 |
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| 76 |
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| 77 | char *body[] =
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| 78 | {
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| 79 | "#define YYABORT goto yyabort",
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| 80 | "#define YYREJECT goto yyabort",
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| 81 | "#define YYACCEPT goto yyaccept",
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| 82 | "#define YYERROR goto yyerrlab",
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| 83 | "int",
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| 84 | "yyparse()",
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| 85 | "{",
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| 86 | " register int yym, yyn, yystate;",
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| 87 | "#if YYDEBUG",
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| 88 | " register char *yys;",
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| 89 | " extern char *getenv();",
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| 90 | "",
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| 91 | " if (yys = getenv(\"YYDEBUG\"))",
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| 92 | " {",
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| 93 | " yyn = *yys;",
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| 94 | " if (yyn >= '0' && yyn <= '9')",
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| 95 | " yydebug = yyn - '0';",
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| 96 | " }",
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| 97 | "#endif",
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| 98 | "",
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| 99 | " yynerrs = 0;",
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| 100 | " yyerrflag = 0;",
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| 101 | " yychar = (-1);",
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| 102 | "",
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| 103 | " yyssp = yyss;",
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| 104 | " yyvsp = yyvs;",
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| 105 | " *yyssp = yystate = 0;",
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| 106 | "",
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| 107 | "yyloop:",
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| 108 | " if (yyn = yydefred[yystate]) goto yyreduce;",
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| 109 | " if (yychar < 0)",
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| 110 | " {",
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| 111 | " if ((yychar = yylex()) < 0) yychar = 0;",
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| 112 | "#if YYDEBUG",
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| 113 | " if (yydebug)",
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| 114 | " {",
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| 115 | " yys = 0;",
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| 116 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 117 | " if (!yys) yys = \"illegal-symbol\";",
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| 118 | " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
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| 119 | " YYPREFIX, yystate, yychar, yys);",
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| 120 | " }",
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| 121 | "#endif",
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| 122 | " }",
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| 123 | " if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&",
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| 124 | " yyn <= YYTABLESIZE && yycheck[yyn] == yychar)",
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| 125 | " {",
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| 126 | "#if YYDEBUG",
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| 127 | " if (yydebug)",
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| 128 | " printf(\"%sdebug: state %d, shifting to state %d\\n\",",
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| 129 | " YYPREFIX, yystate, yytable[yyn]);",
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| 130 | "#endif",
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| 131 | " if (yyssp >= yyss + yystacksize - 1)",
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| 132 | " {",
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| 133 | " goto yyoverflow;",
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| 134 | " }",
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| 135 | " *++yyssp = yystate = yytable[yyn];",
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| 136 | " *++yyvsp = yylval;",
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| 137 | " yychar = (-1);",
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| 138 | " if (yyerrflag > 0) --yyerrflag;",
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| 139 | " goto yyloop;",
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| 140 | " }",
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| 141 | " if ((yyn = yyrindex[yystate]) && (yyn += yychar) >= 0 &&",
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| 142 | " yyn <= YYTABLESIZE && yycheck[yyn] == yychar)",
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| 143 | " {",
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| 144 | " yyn = yytable[yyn];",
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| 145 | " goto yyreduce;",
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| 146 | " }",
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| 147 | " if (yyerrflag) goto yyinrecovery;",
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| 148 | "#ifdef lint",
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| 149 | " goto yynewerror;",
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| 150 | "#endif",
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| 151 | "yynewerror:",
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| 152 | " yyerror(\"syntax error\");",
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| 153 | "#ifdef lint",
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| 154 | " goto yyerrlab;",
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| 155 | "#endif",
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| 156 | "yyerrlab:",
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| 157 | " ++yynerrs;",
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| 158 | "yyinrecovery:",
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| 159 | " if (yyerrflag < 3)",
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| 160 | " {",
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| 161 | " yyerrflag = 3;",
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| 162 | " for (;;)",
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| 163 | " {",
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| 164 | " if ((yyn = yysindex[*yyssp]) && (yyn += YYERRCODE) >= 0 &&",
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| 165 | " yyn <= YYTABLESIZE && yycheck[yyn] == YYERRCODE)",
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| 166 | " {",
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| 167 | "#if YYDEBUG",
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| 168 | " if (yydebug)",
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| 169 | " printf(\"%sdebug: state %d, error recovery shifting\\",
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| 170 | " to state %d\\n\", YYPREFIX, *yyssp, yytable[yyn]);",
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| 171 | "#endif",
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| 172 | " if (yyssp >= yyss + yystacksize - 1)",
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| 173 | " {",
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| 174 | " goto yyoverflow;",
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| 175 | " }",
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| 176 | " *++yyssp = yystate = yytable[yyn];",
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| 177 | " *++yyvsp = yylval;",
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| 178 | " goto yyloop;",
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| 179 | " }",
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| 180 | " else",
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| 181 | " {",
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| 182 | "#if YYDEBUG",
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| 183 | " if (yydebug)",
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| 184 | " printf(\"%sdebug: error recovery discarding state %d\
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| 185 | \\n\",",
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| 186 | " YYPREFIX, *yyssp);",
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| 187 | "#endif",
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| 188 | " if (yyssp <= yyss) goto yyabort;",
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| 189 | " --yyssp;",
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| 190 | " --yyvsp;",
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| 191 | " }",
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| 192 | " }",
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| 193 | " }",
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| 194 | " else",
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| 195 | " {",
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| 196 | " if (yychar == 0) goto yyabort;",
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| 197 | "#if YYDEBUG",
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| 198 | " if (yydebug)",
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| 199 | " {",
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| 200 | " yys = 0;",
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| 201 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 202 | " if (!yys) yys = \"illegal-symbol\";",
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| 203 | " printf(\"%sdebug: state %d, error recovery discards token %d\
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| 204 | (%s)\\n\",",
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| 205 | " YYPREFIX, yystate, yychar, yys);",
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| 206 | " }",
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| 207 | "#endif",
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| 208 | " yychar = (-1);",
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| 209 | " goto yyloop;",
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| 210 | " }",
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| 211 | "yyreduce:",
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| 212 | "#if YYDEBUG",
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| 213 | " if (yydebug)",
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| 214 | " printf(\"%sdebug: state %d, reducing by rule %d (%s)\\n\",",
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| 215 | " YYPREFIX, yystate, yyn, yyrule[yyn]);",
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| 216 | "#endif",
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| 217 | " yym = yylen[yyn];",
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| 218 | " yyval = yyvsp[1-yym];",
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| 219 | " switch (yyn)",
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| 220 | " {",
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| 221 | 0
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| 222 | };
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| 223 |
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| 224 |
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| 225 | char *trailer[] =
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| 226 | {
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| 227 | " }",
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| 228 | " yyssp -= yym;",
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| 229 | " yystate = *yyssp;",
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| 230 | " yyvsp -= yym;",
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| 231 | " yym = yylhs[yyn];",
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| 232 | " if (yystate == 0 && yym == 0)",
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| 233 | " {",
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| 234 | "#if YYDEBUG",
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| 235 | " if (yydebug)",
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| 236 | " printf(\"%sdebug: after reduction, shifting from state 0 to\\",
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| 237 | " state %d\\n\", YYPREFIX, YYFINAL);",
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| 238 | "#endif",
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| 239 | " yystate = YYFINAL;",
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| 240 | " *++yyssp = YYFINAL;",
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| 241 | " *++yyvsp = yyval;",
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| 242 | " if (yychar < 0)",
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| 243 | " {",
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| 244 | " if ((yychar = yylex()) < 0) yychar = 0;",
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| 245 | "#if YYDEBUG",
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| 246 | " if (yydebug)",
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| 247 | " {",
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| 248 | " yys = 0;",
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| 249 | " if (yychar <= YYMAXTOKEN) yys = yyname[yychar];",
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| 250 | " if (!yys) yys = \"illegal-symbol\";",
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| 251 | " printf(\"%sdebug: state %d, reading %d (%s)\\n\",",
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| 252 | " YYPREFIX, YYFINAL, yychar, yys);",
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| 253 | " }",
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| 254 | "#endif",
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| 255 | " }",
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| 256 | " if (yychar == 0) goto yyaccept;",
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| 257 | " goto yyloop;",
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| 258 | " }",
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| 259 | " if ((yyn = yygindex[yym]) && (yyn += yystate) >= 0 &&",
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| 260 | " yyn <= YYTABLESIZE && yycheck[yyn] == yystate)",
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| 261 | " yystate = yytable[yyn];",
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| 262 | " else",
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| 263 | " yystate = yydgoto[yym];",
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| 264 | "#if YYDEBUG",
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| 265 | " if (yydebug)",
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| 266 | " printf(\"%sdebug: after reduction, shifting from state %d \\",
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| 267 | "to state %d\\n\", YYPREFIX, *yyssp, yystate);",
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| 268 | "#endif",
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| 269 | " if (yyssp >= yyss + yystacksize - 1)",
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| 270 | " {",
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| 271 | " goto yyoverflow;",
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| 272 | " }",
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| 273 | " *++yyssp = yystate;",
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| 274 | " *++yyvsp = yyval;",
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| 275 | " goto yyloop;",
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| 276 | "yyoverflow:",
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| 277 | " yyerror(\"yacc stack overflow\");",
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| 278 | "yyabort:",
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| 279 | " return (1);",
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| 280 | "yyaccept:",
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| 281 | " return (0);",
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| 282 | "}",
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| 283 | 0
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| 284 | };
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| 285 |
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| 286 |
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| 287 | write_section(section)
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| 288 | char *section[];
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| 289 | {
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| 290 | register int c;
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| 291 | register int i;
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| 292 | register char *s;
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| 293 | register FILE *f;
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| 294 |
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| 295 | f = code_file;
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| 296 | for (i = 0; s = section[i]; ++i)
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| 297 | {
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| 298 | ++outline;
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| 299 | while (c = *s)
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| 300 | {
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| 301 | putc(c, f);
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| 302 | ++s;
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| 303 | }
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| 304 | putc('\n', f);
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| 305 | }
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| 306 | }
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