swh:1:snp:687ac8cdbfab3b78b7f301abee5f451127f135fc
Tip revision: dbe4ddb10315479fc00086f08e25d968b4b43c49 authored by Travis Bradshaw on 31 January 2012, 19:41:34 UTC
The Quake III Arena sources as originally released under the GPL license on August 20, 2005.
The Quake III Arena sources as originally released under the GPL license on August 20, 2005.
Tip revision: dbe4ddb
gram.c
#if defined(__STDC__) || defined(__cplusplus)
#define YYCONST const
#define YYPARAMS(x) x
#define YYDEFUN(name, arglist, args) name(args)
#define YYAND ,
#define YYPTR void *
#else
#define YYCONST
#define YYPARAMS(x) ()
#define YYDEFUN(name, arglist, args) name arglist args;
#define YYAND ;
#define YYPTR char *
#endif
#ifndef lint
YYCONST static char yysccsid[] = "@(#)yaccpar 1.8 (Berkeley +Cygnus.28) 01/20/91";
#endif
#define YYBYACC 1
#ifndef YYDONT_INCLUDE_STDIO
#include <stdio.h>
#endif
#ifdef __cplusplus
#include <stdlib.h> /* for malloc/realloc/free */
#endif
#line 2 "lburg/gram.y"
#include <stdio.h>
#include "lburg.h"
/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
static int yylineno = 0;
#line 8 "lburg/gram.y"
typedef union {
int n;
char *string;
Tree tree;
} YYSTYPE;
#line 37 "y.tab.c"
#define TERMINAL 257
#define START 258
#define PPERCENT 259
#define ID 260
#define TEMPLATE 261
#define CODE 262
#define INT 263
#define YYERRCODE 256
static YYCONST short yylhs[] = { -1,
0, 0, 4, 4, 6, 6, 6, 6, 7, 7,
5, 5, 5, 5, 1, 3, 3, 3, 2,
};
static YYCONST short yylen[] = { 2,
3, 1, 0, 2, 3, 3, 1, 2, 0, 4,
0, 7, 2, 3, 1, 1, 4, 6, 1,
};
static YYCONST short yydefred[] = { 3,
0, 0, 0, 9, 0, 11, 7, 4, 8, 0,
15, 0, 0, 0, 5, 6, 0, 13, 0, 0,
14, 0, 10, 0, 0, 0, 0, 0, 19, 0,
17, 0, 12, 0, 18,
};
static YYCONST short yydgoto[] = { 1,
12, 30, 25, 2, 13, 8, 10,
};
static YYCONST short yysindex[] = { 0,
0, -4, -2, 0, -250, 0, 0, 0, 0, -9,
0, 1, -10, -49, 0, 0, 3, 0, -44, -248,
0, -244, 0, -22, -242, -244, -245, -37, 0, 10,
0, -244, 0, -20, 0,
};
static YYCONST short yyrindex[] = { 0,
0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, -39, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
};
static YYCONST short yygindex[] = { 0,
11, 0, -23, 0, 0, 0, 0,
};
#define YYTABLESIZE 255
static YYCONST short yytable[] = { 18,
15, 16, 28, 31, 16, 7, 32, 9, 34, 11,
16, 20, 21, 22, 23, 24, 29, 26, 27, 33,
35, 2, 1, 19, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 16, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 17, 0, 0, 0, 11,
14, 3, 4, 5, 6,
};
static YYCONST short yycheck[] = { 10,
10, 41, 26, 41, 44, 10, 44, 10, 32, 260,
10, 61, 10, 58, 263, 260, 262, 40, 261, 10,
41, 0, 0, 13, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, 261, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 256, -1, -1, -1, 260,
260, 256, 257, 258, 259,
};
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 263
#if YYDEBUG
static YYCONST char *YYCONST yyname[] = {
"end-of-file",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,"'('","')'",0,0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,
"'='",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
"TERMINAL","START","PPERCENT","ID","TEMPLATE","CODE","INT",
};
static YYCONST char *YYCONST yyrule[] = {
"$accept : spec",
"spec : decls PPERCENT rules",
"spec : decls",
"decls :",
"decls : decls decl",
"decl : TERMINAL blist '\\n'",
"decl : START nonterm '\\n'",
"decl : '\\n'",
"decl : error '\\n'",
"blist :",
"blist : blist ID '=' INT",
"rules :",
"rules : rules nonterm ':' tree TEMPLATE cost '\\n'",
"rules : rules '\\n'",
"rules : rules error '\\n'",
"nonterm : ID",
"tree : ID",
"tree : ID '(' tree ')'",
"tree : ID '(' tree ',' tree ')'",
"cost : CODE",
};
#endif
#define YYLEX yylex()
#define YYEMPTY -1
#define yyclearin (yychar=(YYEMPTY))
#define yyerrok (yyerrflag=0)
#ifndef YYINITDEPTH
#define YYINITDEPTH 200
#endif
#ifdef YYSTACKSIZE
#ifndef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#endif
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 500
#define YYMAXDEPTH 500
#endif
#endif
#ifndef YYMAXSTACKSIZE
#define YYMAXSTACKSIZE 10000
#endif
int yydebug;
int yynerrs;
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
static short *yyss;
static YYSTYPE *yyvs;
static int yystacksize;
#define yyfree(x) free(x)
extern int yylex();
static YYPTR
YYDEFUN (yymalloc, (bytes), unsigned bytes)
{
YYPTR ptr = (YYPTR) malloc (bytes);
if (ptr != 0) return (ptr);
yyerror ("yyparse: memory exhausted");
return (0);
}
static YYPTR
YYDEFUN (yyrealloc, (old, bytes), YYPTR old YYAND unsigned bytes)
{
YYPTR ptr = (YYPTR) realloc (old, bytes);
if (ptr != 0) return (ptr);
yyerror ("yyparse: memory exhausted");
return (0);
}
static int
#ifdef __GNUC__
inline
#endif
yygrow ()
{
int old_stacksize = yystacksize;
short *new_yyss;
YYSTYPE *new_yyvs;
if (yystacksize == YYMAXSTACKSIZE)
return (1);
yystacksize += (yystacksize + 1 ) / 2;
if (yystacksize > YYMAXSTACKSIZE)
yystacksize = YYMAXSTACKSIZE;
#if YYDEBUG
if (yydebug)
printf("yydebug: growing stack size from %d to %d\n",
old_stacksize, yystacksize);
#endif
new_yyss = (short *) yyrealloc ((char *)yyss, yystacksize * sizeof (short));
if (new_yyss == 0)
return (1);
new_yyvs = (YYSTYPE *) yyrealloc ((char *)yyvs, yystacksize * sizeof (YYSTYPE));
if (new_yyvs == 0)
{
yyfree (new_yyss);
return (1);
}
yyss = new_yyss;
yyvs = new_yyvs;
return (0);
}
#line 60 "lburg/gram.y"
#include <assert.h>
#include <stdarg.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
int errcnt = 0;
FILE *infp = NULL;
FILE *outfp = NULL;
static char buf[BUFSIZ], *bp = buf;
static int ppercent = 0;
static int code = 0;
static int get(void) {
if (*bp == 0) {
bp = buf;
*bp = 0;
if (fgets(buf, sizeof buf, infp) == NULL)
return EOF;
yylineno++;
while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
for (;;) {
if (fgets(buf, sizeof buf, infp) == NULL) {
yywarn("unterminated %{...%}\n");
return EOF;
}
yylineno++;
if (strcmp(buf, "%}\n") == 0)
break;
fputs(buf, outfp);
}
if (fgets(buf, sizeof buf, infp) == NULL)
return EOF;
yylineno++;
}
}
return *bp++;
}
void yyerror(char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (yylineno > 0)
fprintf(stderr, "line %d: ", yylineno);
vfprintf(stderr, fmt, ap);
if (fmt[strlen(fmt)-1] != '\n')
fprintf(stderr, "\n");
errcnt++;
va_end(ap);
}
int yylex(void) {
int c;
if (code) {
char *p;
bp += strspn(bp, " \t\f");
p = strchr(bp, '\n');
if (p == NULL)
p = strchr(bp, '\n');
while (p > bp && isspace(p[-1]))
p--;
yylval.string = alloc(p - bp + 1);
strncpy(yylval.string, bp, p - bp);
yylval.string[p - bp] = 0;
bp = p;
code--;
return CODE;
}
while ((c = get()) != EOF) {
switch (c) {
case ' ': case '\f': case '\t':
continue;
case '\n':
case '(': case ')': case ',':
case ':': case '=':
return c;
}
if (c == '%' && *bp == '%') {
bp++;
return ppercent++ ? 0 : PPERCENT;
} else if (c == '%' && strncmp(bp, "term", 4) == 0
&& isspace(bp[4])) {
bp += 4;
return TERMINAL;
} else if (c == '%' && strncmp(bp, "start", 5) == 0
&& isspace(bp[5])) {
bp += 5;
return START;
} else if (c == '"') {
char *p = strchr(bp, '"');
if (p == NULL) {
yyerror("missing \" in assembler template\n");
p = strchr(bp, '\n');
if (p == NULL)
p = strchr(bp, '\0');
}
assert(p);
yylval.string = alloc(p - bp + 1);
strncpy(yylval.string, bp, p - bp);
yylval.string[p - bp] = 0;
bp = *p == '"' ? p + 1 : p;
code++;
return TEMPLATE;
} else if (isdigit(c)) {
int n = 0;
do {
int d = c - '0';
if (n > (INT_MAX - d)/10)
yyerror("integer greater than %d\n", INT_MAX);
else
n = 10*n + d;
c = get();
} while (c != EOF && isdigit(c));
bp--;
yylval.n = n;
return INT;
} else if (isalpha(c)) {
char *p = bp - 1;
while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
bp++;
yylval.string = alloc(bp - p + 1);
strncpy(yylval.string, p, bp - p);
yylval.string[bp - p] = 0;
return ID;
} else if (isprint(c))
yyerror("invalid character `%c'\n", c);
else
yyerror("invalid character `\\%03o'\n", (unsigned char)c);
}
return 0;
}
void yywarn(char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (yylineno > 0)
fprintf(stderr, "line %d: ", yylineno);
fprintf(stderr, "warning: ");
vfprintf(stderr, fmt, ap);
}
#line 403 "y.tab.c"
#define YYABORT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
#if YYDEBUG
#ifdef __cplusplus
extern "C" char *getenv();
#else
extern char *getenv();
#endif
#endif
int
yyparse()
{
register int yym, yyn, yystate;
register YYSTYPE *yyvsp;
register short *yyssp;
short *yysse;
#if YYDEBUG
register YYCONST char *yys;
if (yys = getenv("YYDEBUG"))
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
#endif
yynerrs = 0;
yyerrflag = 0;
yychar = (-1);
if (yyss == 0)
{
yyss = (short *) yymalloc (YYSTACKSIZE * sizeof (short));
if (yyss == 0)
goto yyabort;
yyvs = (YYSTYPE *) yymalloc (YYSTACKSIZE * sizeof (YYSTYPE));
if (yyvs == 0)
{
yyfree (yyss);
goto yyabort;
}
yystacksize = YYSTACKSIZE;
}
yysse = yyss + yystacksize - 1;
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
goto yyloop;
yypush_lex:
yyval = yylval;
yystate = yytable[yyn];
yypush:
if (yyssp >= yysse)
{
int depth = yyssp - yyss;
if (yygrow() != 0)
goto yyoverflow;
yysse = yyss + yystacksize -1;
yyssp = depth + yyss;
yyvsp = depth + yyvs;
}
*++yyssp = yystate;
*++yyvsp = yyval;
yyloop:
if (yyn = yydefred[yystate]) goto yyreduce;
yyn = yysindex[yystate];
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 != 0
&& ((yyn += yychar), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
&& yycheck[yyn] == yychar)
{
#if YYDEBUG
if (yydebug)
printf("yydebug: state %d, shifting to state %d\n",
yystate, yytable[yyn]);
#endif
if (yyerrflag > 0) --yyerrflag;
yychar = (-1);
goto yypush_lex;
}
yyn = yyrindex[yystate];
if (yyn != 0
&& ((yyn += yychar), ((unsigned)yyn <= (unsigned)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 (;;)
{
yyn = yysindex[*yyssp];
if (yyn != 0
&& ((yyn += YYERRCODE), ((unsigned)yyn <= (unsigned)YYTABLESIZE))
&& yycheck[yyn] == YYERRCODE)
{
#if YYDEBUG
if (yydebug)
printf("yydebug: state %d, error recovery shifting\
to state %d\n", *yyssp, yytable[yyn]);
#endif
goto yypush_lex;
}
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)
{
case 1:
#line 22 "lburg/gram.y"
{ yylineno = 0; }
break;
case 2:
#line 23 "lburg/gram.y"
{ yylineno = 0; }
break;
case 6:
#line 31 "lburg/gram.y"
{
if (nonterm(yyvsp[-1].string)->number != 1)
yyerror("redeclaration of the start symbol\n");
}
break;
case 8:
#line 36 "lburg/gram.y"
{ yyerrok; }
break;
case 10:
#line 40 "lburg/gram.y"
{ term(yyvsp[-2].string, yyvsp[0].n); }
break;
case 12:
#line 44 "lburg/gram.y"
{ rule(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-2].string, yyvsp[-1].string); }
break;
case 14:
#line 46 "lburg/gram.y"
{ yyerrok; }
break;
case 15:
#line 49 "lburg/gram.y"
{ nonterm(yyval.string = yyvsp[0].string); }
break;
case 16:
#line 52 "lburg/gram.y"
{ yyval.tree = tree(yyvsp[0].string, 0, 0); }
break;
case 17:
#line 53 "lburg/gram.y"
{ yyval.tree = tree(yyvsp[-3].string, yyvsp[-1].tree, 0); }
break;
case 18:
#line 54 "lburg/gram.y"
{ yyval.tree = tree(yyvsp[-5].string, yyvsp[-3].tree, yyvsp[-1].tree); }
break;
case 19:
#line 57 "lburg/gram.y"
{ if (*yyvsp[0].string == 0) yyval.string = "0"; }
break;
#line 630 "y.tab.c"
}
yyssp -= yym;
yyvsp -= yym;
yym = yylhs[yyn];
yystate = *yyssp;
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;
}
yyn = yygindex[yym];
if (yyn != 0
&& ((yyn += yystate), ((unsigned)yyn <= (unsigned)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
goto yypush;
yyoverflow:
yyerror("yacc stack overflow");
yyabort:
return (1);
yyaccept:
return (0);
}