306 lines
8.4 KiB
C
306 lines
8.4 KiB
C
#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);
|
|
}
|
|
}
|