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|
Index: perly.c
***************
*** 12,83 ****
deprecate("\"do\" to call subroutines");
}
- #line 29 "perly.y"
- typedef union {
- I32 ival;
- char *pval;
- OP *opval;
- GV *gvval;
- } YYSTYPE;
- #line 23 "y.tab.c"
- #define WORD 257
- #define METHOD 258
- #define FUNCMETH 259
- #define THING 260
- #define PMFUNC 261
- #define PRIVATEREF 262
- #define FUNC0SUB 263
- #define UNIOPSUB 264
- #define LSTOPSUB 265
- #define LABEL 266
- #define FORMAT 267
- #define SUB 268
- #define ANONSUB 269
- #define PACKAGE 270
- #define USE 271
- #define WHILE 272
- #define UNTIL 273
- #define IF 274
- #define UNLESS 275
- #define ELSE 276
- #define ELSIF 277
- #define CONTINUE 278
- #define FOR 279
- #define LOOPEX 280
- #define DOTDOT 281
- #define FUNC0 282
- #define FUNC1 283
- #define FUNC 284
- #define RELOP 285
- #define EQOP 286
- #define MULOP 287
- #define ADDOP 288
- #define DOLSHARP 289
- #define DO 290
- #define HASHBRACK 291
- #define NOAMP 292
- #define LOCAL 293
- #define MY 294
- #define OROP 295
- #define ANDOP 296
- #define NOTOP 297
- #define LSTOP 298
- #define ASSIGNOP 299
- #define OROR 300
- #define ANDAND 301
- #define BITOROP 302
- #define BITANDOP 303
- #define UNIOP 304
- #define SHIFTOP 305
- #define MATCHOP 306
- #define UMINUS 307
- #define REFGEN 308
- #define POWOP 309
- #define PREINC 310
- #define PREDEC 311
- #define POSTINC 312
- #define POSTDEC 313
- #define ARROW 314
#define YYERRCODE 256
short yylhs[] = { -1,
40, 0, 7, 5, 8, 9, 6, 10, 10, 10,
--- 12,17 ----
***************
*** 1316,1342 ****
int yynerrs;
int yyerrflag;
int yychar;
- short *yyssp;
- YYSTYPE *yyvsp;
YYSTYPE yyval;
YYSTYPE yylval;
- short yyss[YYSTACKSIZE];
- YYSTYPE yyvs[YYSTACKSIZE];
- #define yystacksize YYSTACKSIZE
#line 631 "perly.y"
/* PROGRAM */
#line 1329 "y.tab.c"
#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;
--- 1250,1316 ----
int yynerrs;
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
#line 631 "perly.y"
/* PROGRAM */
#line 1329 "y.tab.c"
#define YYABORT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
+
+ struct ysv {
+ short* yyss;
+ YYSTYPE* yyvs;
+ int oldyydebug;
+ int oldyynerrs;
+ int oldyyerrflag;
+ int oldyychar;
+ YYSTYPE oldyyval;
+ YYSTYPE oldyylval;
+ };
+
+ void
+ yydestruct(ptr)
+ void* ptr;
+ {
+ struct ysv* ysave = (struct ysv*)ptr;
+ if (ysave->yyss) Safefree(ysave->yyss);
+ if (ysave->yyvs) Safefree(ysave->yyvs);
+ yydebug = ysave->oldyydebug;
+ yynerrs = ysave->oldyynerrs;
+ yyerrflag = ysave->oldyyerrflag;
+ yychar = ysave->oldyychar;
+ yyval = ysave->oldyyval;
+ yylval = ysave->oldyylval;
+ Safefree(ysave);
+ }
+
int
yyparse()
{
register int yym, yyn, yystate;
+ register short *yyssp;
+ register YYSTYPE *yyvsp;
+ short* yyss;
+ YYSTYPE* yyvs;
+ unsigned yystacksize = YYSTACKSIZE;
+ int retval = 0;
#if YYDEBUG
register char *yys;
extern char *getenv();
+ #endif
+
+ struct ysv *ysave = (struct ysv*)safemalloc(sizeof(struct ysv));
+ SAVEDESTRUCTOR(yydestruct, ysave);
+ ysave->oldyydebug = yydebug;
+ ysave->oldyynerrs = yynerrs;
+ ysave->oldyyerrflag = yyerrflag;
+ ysave->oldyychar = yychar;
+ ysave->oldyyval = yyval;
+ ysave->oldyylval = yylval;
+ #if YYDEBUG
if (yys = getenv("YYDEBUG"))
{
yyn = *yys;
***************
*** 1349,1354 ****
--- 1323,1336 ----
yyerrflag = 0;
yychar = (-1);
+ /*
+ ** Initialize private stacks (yyparse may be called from an action)
+ */
+ ysave->yyss = yyss = (short*)safemalloc(yystacksize*sizeof(short));
+ ysave->yyvs = yyvs = (YYSTYPE*)safemalloc(yystacksize*sizeof(YYSTYPE));
+ if (!yyvs || !yyss)
+ goto yyoverflow;
+
yyssp = yyss;
yyvsp = yyvs;
*yyssp = yystate = 0;
***************
*** 1364,1370 ****
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
--- 1346,1352 ----
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
! fprintf(stderr, "yydebug: state %d, reading %d (%s)\n", yystate,
yychar, yys);
}
#endif
***************
*** 1374,1385 ****
{
#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;
--- 1356,1381 ----
{
#if YYDEBUG
if (yydebug)
! fprintf(stderr, "yydebug: state %d, shifting to state %d\n",
yystate, yytable[yyn]);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
! /*
! ** reallocate and recover. Note that pointers
! ** have to be reset, or bad things will happen
! */
! int yyps_index = (yyssp - yyss);
! int yypv_index = (yyvsp - yyvs);
! yystacksize += YYSTACKSIZE;
! ysave->yyvs = yyvs =
! (YYSTYPE*)realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE));
! ysave->yyss = yyss =
! (short*)realloc((char*)yyss,yystacksize * sizeof(short));
! if (!yyvs || !yyss)
! goto yyoverflow;
! yyssp = yyss + yyps_index;
! yyvsp = yyvs + yypv_index;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
***************
*** 1415,1426 ****
{
#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;
--- 1411,1437 ----
{
#if YYDEBUG
if (yydebug)
! fprintf(stderr,
! "yydebug: state %d, error recovery shifting to state %d\n",
! *yyssp, yytable[yyn]);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
! /*
! ** reallocate and recover. Note that pointers
! ** have to be reset, or bad things will happen
! */
! int yyps_index = (yyssp - yyss);
! int yypv_index = (yyvsp - yyvs);
! yystacksize += YYSTACKSIZE;
! ysave->yyvs = yyvs = (YYSTYPE*)realloc((char*)yyvs,
! yystacksize * sizeof(YYSTYPE));
! ysave->yyss = yyss = (short*)realloc((char*)yyss,
! yystacksize * sizeof(short));
! if (!yyvs || !yyss)
! goto yyoverflow;
! yyssp = yyss + yyps_index;
! yyvsp = yyvs + yypv_index;
}
*++yyssp = yystate = yytable[yyn];
*++yyvsp = yylval;
***************
*** 1430,1437 ****
{
#if YYDEBUG
if (yydebug)
! printf("yydebug: error recovery discarding state %d\n",
! *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
--- 1441,1449 ----
{
#if YYDEBUG
if (yydebug)
! fprintf(stderr,
! "yydebug: error recovery discarding state %d\n",
! *yyssp);
#endif
if (yyssp <= yyss) goto yyabort;
--yyssp;
***************
*** 1448,1455 ****
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);
--- 1460,1468 ----
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
! fprintf(stderr,
! "yydebug: state %d, error recovery discards token %d (%s)\n",
! yystate, yychar, yys);
}
#endif
yychar = (-1);
***************
*** 1458,1464 ****
yyreduce:
#if YYDEBUG
if (yydebug)
! printf("yydebug: state %d, reducing by rule %d (%s)\n",
yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
--- 1471,1477 ----
yyreduce:
#if YYDEBUG
if (yydebug)
! fprintf(stderr, "yydebug: state %d, reducing by rule %d (%s)\n",
yystate, yyn, yyrule[yyn]);
#endif
yym = yylen[yyn];
***************
*** 2246,2253 ****
{
#if YYDEBUG
if (yydebug)
! printf("yydebug: after reduction, shifting from state 0 to\
! state %d\n", YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
--- 2259,2267 ----
{
#if YYDEBUG
if (yydebug)
! fprintf(stderr,
! "yydebug: after reduction, shifting from state 0 to state %d\n",
! YYFINAL);
#endif
yystate = YYFINAL;
*++yyssp = YYFINAL;
***************
*** 2261,2267 ****
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
--- 2275,2281 ----
yys = 0;
if (yychar <= YYMAXTOKEN) yys = yyname[yychar];
if (!yys) yys = "illegal-symbol";
! fprintf(stderr, "yydebug: state %d, reading %d (%s)\n",
YYFINAL, yychar, yys);
}
#endif
***************
*** 2276,2295 ****
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);
}
--- 2290,2324 ----
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
! fprintf(stderr,
! "yydebug: after reduction, shifting from state %d to state %d\n",
! *yyssp, yystate);
#endif
if (yyssp >= yyss + yystacksize - 1)
{
! /*
! ** reallocate and recover. Note that pointers
! ** have to be reset, or bad things will happen
! */
! int yyps_index = (yyssp - yyss);
! int yypv_index = (yyvsp - yyvs);
! yystacksize += YYSTACKSIZE;
! ysave->yyvs = yyvs =
! (YYSTYPE*)realloc((char*)yyvs,yystacksize * sizeof(YYSTYPE));
! ysave->yyss = yyss =
! (short*)realloc((char*)yyss,yystacksize * sizeof(short));
! if (!yyvs || !yyss)
! goto yyoverflow;
! yyssp = yyss + yyps_index;
! yyvsp = yyvs + yypv_index;
}
*++yyssp = yystate;
*++yyvsp = yyval;
goto yyloop;
yyoverflow:
! yyerror("Out of memory for yacc stack");
yyabort:
! retval = 1;
yyaccept:
! return retval;
}
|
