331 lines
9.8 KiB
C
331 lines
9.8 KiB
C
|
/*
|
||
|
|
* Copyright (c) 1989 The Regents of the University of California.
|
||
|
|
* All rights reserved.
|
||
|
|
*
|
||
|
|
* This code is derived from software contributed to Berkeley by
|
||
|
|
* Robert Paul Corbett.
|
||
|
|
*
|
||
|
|
* Redistribution and use in source and binary forms, with or without
|
||
|
|
* modification, are permitted provided that the following conditions
|
||
|
|
* are met:
|
||
|
|
* 1. Redistributions of source code must retain the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer.
|
||
|
|
* 2. Redistributions in binary form must reproduce the above copyright
|
||
|
|
* notice, this list of conditions and the following disclaimer in the
|
||
|
|
* documentation and/or other materials provided with the distribution.
|
||
|
|
* 3. All advertising materials mentioning features or use of this software
|
||
|
|
* must display the following acknowledgement:
|
||
|
|
* This product includes software developed by the University of
|
||
|
|
* California, Berkeley and its contributors.
|
||
|
|
* 4. Neither the name of the University nor the names of its contributors
|
||
|
|
* may be used to endorse or promote products derived from this software
|
||
|
|
* without specific prior written permission.
|
||
|
|
*
|
||
|
|
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
|
||
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
|
||
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
|
||
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
|
||
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
|
||
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
|
||
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
|
||
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
|
||
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
|
||
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
|
||
|
|
* SUCH DAMAGE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef lint
|
||
|
|
static char sccsid[] = "@(#)skeleton.c 5.6 (Berkeley) 1/27/91";
|
||
|
|
#endif /* not lint */
|
||
|
|
|
||
|
|
#include "defs.h"
|
||
|
|
|
||
|
|
/* The banner used here should be replaced with an #ident directive */
|
||
|
|
/* if the target C compiler supports #ident directives. */
|
||
|
|
/* */
|
||
|
|
/* If the skeleton is changed, the banner should be changed so that */
|
||
|
|
/* the altered version can easily be distinguished from the original. */
|
||
|
|
|
||
|
|
char *banner[] =
|
||
|
|
{
|
||
|
|
"#ifndef lint",
|
||
|
|
"static char yysccsid[] = \"@(#)yaccpar 1.8 (Berkeley) 01/20/90\";",
|
||
|
|
"#endif",
|
||
|
|
"#define YYBYACC 1",
|
||
|
|
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[] =
|
||
|
|
{
|
||
|
|
"#define yyclearin (yychar=(-1))",
|
||
|
|
"#define yyerrok (yyerrflag=0)",
|
||
|
|
"#ifdef YYSTACKSIZE",
|
||
|
|
"#ifndef YYMAXDEPTH",
|
||
|
|
"#define YYMAXDEPTH YYSTACKSIZE",
|
||
|
|
"#endif",
|
||
|
|
"#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 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(\"yydebug: state %d, reading %d (%s)\\n\", yystate,",
|
||
|
|
" yychar, yys);",
|
||
|
|
" }",
|
||
|
|
"#endif",
|
||
|
|
" }",
|
||
|
|
" if ((yyn = yysindex[yystate]) && (yyn += yychar) >= 0 &&",
|
||
|
|
" yyn <= YYTABLESIZE && yycheck[yyn] == yychar)",
|
||
|
|
" {",
|
||
|
|
"#if YYDEBUG",
|
||
|
|
" if (yydebug)",
|
||
|
|
" printf(\"yydebug: state %d, shifting to state %d\\n\",",
|
||
|
|
" 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(\"yydebug: state %d, error recovery shifting\\",
|
||
|
|
" to state %d\\n\", *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(\"yydebug: error recovery discarding state %d\
|
||
|
|
\\n\",",
|
||
|
|
" *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(\"yydebug: state %d, error recovery discards token %d\
|
||
|
|
(%s)\\n\",",
|
||
|
|
" yystate, yychar, yys);",
|
||
|
|
" }",
|
||
|
|
"#endif",
|
||
|
|
" yychar = (-1);",
|
||
|
|
" goto yyloop;",
|
||
|
|
" }",
|
||
|
|
"yyreduce:",
|
||
|
|
"#if YYDEBUG",
|
||
|
|
" if (yydebug)",
|
||
|
|
" printf(\"yydebug: state %d, reducing by rule %d (%s)\\n\",",
|
||
|
|
" 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(\"yydebug: after reduction, shifting from state 0 to\\",
|
||
|
|
" state %d\\n\", 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(\"yydebug: state %d, reading %d (%s)\\n\",",
|
||
|
|
" 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(\"yydebug: after reduction, shifting from state %d \\",
|
||
|
|
"to state %d\\n\", *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 i;
|
||
|
|
register FILE *fp;
|
||
|
|
|
||
|
|
fp = code_file;
|
||
|
|
for (i = 0; section[i]; ++i)
|
||
|
|
{
|
||
|
|
++outline;
|
||
|
|
fprintf(fp, "%s\n", section[i]);
|
||
|
|
}
|
||
|
|
}
|