5
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
6
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
7
* company may do whatever they wish with source code distributed with
8
* PCCTS or the code generated by PCCTS, including the incorporation of
9
* PCCTS, or its output, into commerical software.
11
* We encourage users to develop software with PCCTS. However, we do ask
12
* that credit is given to us for developing PCCTS. By "credit",
13
* we mean that if you incorporate our source code into one of your
14
* programs (commercial product, research project, or otherwise) that you
15
* acknowledge this fact somewhere in the documentation, research report,
16
* etc... If you like PCCTS and have developed a nice tool with the
17
* output, please mention that you developed it using PCCTS. In
18
* addition, we ask that this header remain intact in our source code.
19
* As long as these guidelines are kept, we expect to continue enhancing
20
* this system and expect to make other tools available as they are
25
* Parr Research Corporation
26
* with Purdue University and AHPCRC, University of Minnesota
35
#include "pccts_stdio.h"
37
/* turn off warnings for unreferenced labels */
40
#pragma warning(disable:4102)
44
* Define all of the stack setup and manipulation of $i, #i variables.
47
* The type 'Attrib' must be defined before entry into this .h file.
52
#include "pccts_stdlib.h"
60
#include "pccts_string.h"
67
typedef int ANTLRTokenType;
68
typedef unsigned char SetWordType;
70
typedef char ANTLRChar;
72
/* G u e s s S t u f f */
81
typedef struct _zzjmp_buf {
87
/* can make this a power of 2 for more efficient lookup */
90
#define ZZLEXBUFSIZE 8000 /* MR22 raise from 2k to 8k */
96
fprintf(stderr, zzStackOvfMsg, __FILE__, __LINE__); \
97
exit(PCCTS_EXIT_FAILURE); \
100
#ifndef ZZA_STACKSIZE
101
#define ZZA_STACKSIZE 400
103
#ifndef ZZAST_STACKSIZE
104
#define ZZAST_STACKSIZE 400
107
#ifndef zzfailed_pred
109
#define zzfailed_pred(_p,_hasuseraction,_useraction) \
113
zzfailed_pred_action(_p,_hasuseraction,_useraction); \
116
#define zzfailed_pred(_p,_hasuseraction,_useraction) \
117
zzfailed_pred_action(_p,_hasuseraction,_useraction);
121
/* MR23 Provide more control over failed predicate action
122
without any need for user to worry about guessing internals.
123
_hasuseraction == 0 => no user specified error action
124
_hasuseraction == 1 => user specified error action
127
#ifndef zzfailed_pred_action
128
#define zzfailed_pred_action(_p,_hasuseraction,_useraction) \
129
if (_hasuseraction) { _useraction } \
130
else { fprintf(stderr, "semantic error; failed predicate: '%s'\n",_p); }
133
/* MR19 zzchar_t additions */
137
int zztokenLA[LL_K]; \
138
zzchar_t zztextLA[LL_K][ZZLEXBUFSIZE]; \
139
int zzlap = 0, zzlabase=0; /* labase only used for DEMAND_LOOK */
146
#define zzcr_ast(ast,attr,tok,text)
150
#define DemandLookData int zzdirty=1;
152
#define DemandLookData
155
#ifndef zzUSER_GUESS_HOOK
156
#define zzUSER_GUESS_HOOK(seqFrozen,zzrv)
159
#ifndef zzUSER_GUESS_DONE_HOOK
160
#define zzUSER_GUESS_DONE_HOOK(seqFrozen)
163
/* S t a t e S t u f f */
166
#define zzGUESS_BLOCK zzantlr_state zzst; int zzrv; int zzGuessSeqFrozen;
168
/* MR10 change zzGUESS: do zzGUESS_DONE when zzrv==1 after longjmp as in C++ mode */
170
#define zzGUESS zzsave_antlr_state(&zzst); \
172
zzGuessSeqFrozen=++zzGuessSeq; \
173
zzrv = setjmp(zzguess_start.state); \
174
zzUSER_GUESS_HOOK(zzGuessSeqFrozen,zzrv) \
175
if (zzrv) zzGUESS_DONE;
177
#define zzGUESS_FAIL { zzTraceGuessFail(); longjmp(zzguess_start.state, 1); }
179
#define zzGUESS_FAIL longjmp(zzguess_start.state, 1)
182
/* MR10 change zzGUESS_DONE: zzrv=1 to simulate longjmp() return value as in C++ mode */
184
#define zzGUESS_DONE { zzrestore_antlr_state(&zzst); zzrv=1; zzUSER_GUESS_DONE_HOOK(zzGuessSeqFrozen) }
185
#define zzNON_GUESS_MODE if ( !zzguessing )
186
#define zzGuessData \
187
zzjmp_buf zzguess_start; \
190
#define zzGUESS_BLOCK
194
#define zzNON_GUESS_MODE
198
typedef struct _zzantlr_state {
200
zzjmp_buf guess_start;
206
int inf_lap; /* not sure we need to save this one */
210
/* MR6 Gunnar Rxnning (gunnar@candleweb.no) */
211
/* MR6 Additional state needs to be saved/restored */
212
/* MR6 Matching changes in err.h */
214
int *inf_tokens; /* MR6 */
215
char **inf_text; /* MR6 */
216
char *inf_text_buffer; /* MR6 */
217
int *inf_line; /* MR6 */
225
char textLA[LL_K][ZZLEXBUFSIZE];
230
char text[ZZLEXBUFSIZE];
233
int traceOptionValue; /* MR10 */
234
int traceGuessOptionValue; /* MR10 */
235
char *traceCurrentRuleName; /* MR10 */
236
int traceDepth; /* MR10 */
242
extern int zzTraceOptionValueDefault;
243
extern int zzTraceOptionValue;
244
extern int zzTraceGuessOptionValue;
245
extern char *zzTraceCurrentRuleName;
246
extern int zzTraceDepth;
249
extern int zzGuessSeq; /* MR10 */
250
extern int zzSyntaxErrCount; /* MR11 */
251
extern int zzLexErrCount; /* MR11 */
253
/* I n f i n i t e L o o k a h e a d */
257
#define InfLookData \
260
char *zzinf_text_buffer; \
270
#ifndef ZZINF_DEF_TEXT_BUFFER_SIZE
271
#define ZZINF_DEF_TEXT_BUFFER_SIZE 20000
273
#ifndef ZZINF_DEF_TOKEN_BUFFER_SIZE
274
#define ZZINF_DEF_TOKEN_BUFFER_SIZE 2000
277
* ZZINF_BUFFER_TEXT_CHUNK_SIZE must be > sizeof(text) largest possible token.
279
#ifndef ZZINF_BUFFER_TEXT_CHUNK_SIZE
280
#define ZZINF_BUFFER_TEXT_CHUNK_SIZE 5000
282
#ifndef ZZINF_BUFFER_TOKEN_CHUNK_SIZE
283
#define ZZINF_BUFFER_TOKEN_CHUNK_SIZE 1000
286
#if ZZLEXBUFSIZE > ZZINF_BUFFER_TEXT_CHUNK_SIZE
287
#define ZZINF_BUFFER_TEXT_CHUNK_SIZE ZZLEXBUFSIZE+5
290
/* make inf_look user-access macros */
292
#define ZZINF_LA_VALID(i) (((zzinf_labase+i-1)-LL_K+1) <= zzinf_last)
293
#define ZZINF_LA(i) zzinf_tokens[(zzinf_labase+i-1)-LL_K+1]
294
#define ZZINF_LATEXT(i) zzinf_text[(zzinf_labase+i-1)-LL_K+1]
295
/* MR6 In 1.33 vanilla the #define ZZINF_LINE(i) is was commented out */
296
#define ZZINF_LINE(i) zzinf_line[(zzinf_labase+i-1)-LL_K+1]
298
#define ZZINF_LA_VALID(i) (((zzinf_labase+i-1)) <= zzinf_last)
299
#define ZZINF_LA(i) zzinf_tokens[(zzinf_labase+i-1)]
300
#define ZZINF_LATEXT(i) zzinf_text[(zzinf_labase+i-1)]
303
#define inf_zzgettok _inf_zzgettok()
304
extern void _inf_zzgettok();
306
#endif /* ZZINF_LOOK */
313
Attrib zzempty_attr(void) {static Attrib a; return a;} \
314
Attrib zzconstr_attr(int _tok, char *_text) \
315
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
316
int zzasp=ZZA_STACKSIZE; \
317
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
318
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
323
Attrib zzempty_attr() {static Attrib a; return a;} \
324
Attrib zzconstr_attr(_tok, _text) int _tok; char *_text; \
325
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
326
int zzasp=ZZA_STACKSIZE; \
327
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
328
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
337
Attrib zzempty_attr(void) {static Attrib a; return a;} \
338
Attrib zzconstr_attr(int _tok, char *_text) \
339
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
340
int zzasp=ZZA_STACKSIZE; \
341
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
342
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
347
Attrib zzempty_attr() {static Attrib a; return a;} \
348
Attrib zzconstr_attr(_tok, _text) int _tok; char *_text; \
349
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
350
int zzasp=ZZA_STACKSIZE; \
351
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
352
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
364
#define zzPrimeLookAhead {zzdirty=LL_K; zzlap = zzlabase = 0;}
366
#define zzPrimeLookAhead {zzlap = zzlabase = 0; zzfill_inf_look();\
367
{int _i; for(_i=1;_i<=LL_K; _i++) \
368
{zzCONSUME;} zzlap = zzlabase = 0;}}
374
#define zzPrimeLookAhead zzfill_inf_look(); zzdirty=1
376
#define zzPrimeLookAhead zzfill_inf_look(); inf_zzgettok
381
#else /* ZZINF_LOOK */
385
#define zzPrimeLookAhead {zzdirty=LL_K; zzlap = zzlabase = 0;}
387
#define zzPrimeLookAhead {int _i; zzlap = 0; for(_i=1;_i<=LL_K; _i++) \
388
{zzCONSUME;} zzlap = 0;}
394
#define zzPrimeLookAhead zzdirty=1
396
#define zzPrimeLookAhead zzgettok()
400
#endif /* ZZINF_LOOK */
404
#define zzenterANTLRs(s) \
405
zzlextext = &(zztextLA[0][0]); zzrdstr( s ); zzPrimeLookAhead;
406
#define zzenterANTLRf(f) \
407
zzlextext = &(zztextLA[0][0]); zzrdfunc( f ); zzPrimeLookAhead;
408
#define zzenterANTLR(f) \
409
zzlextext = &(zztextLA[0][0]); zzrdstream( f ); zzPrimeLookAhead;
411
#define zzleaveANTLR(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
412
#define zzleaveANTLRf(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
413
#define zzleaveANTLRs(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
415
#define zzleaveANTLR(f)
416
#define zzleaveANTLRf(f)
417
#define zzleaveANTLRs(f)
422
#define zzenterANTLRs(s) \
423
{static char zztoktext[ZZLEXBUFSIZE]; \
424
zzlextext = zztoktext; zzrdstr( s ); zzPrimeLookAhead;}
425
#define zzenterANTLRf(f) \
426
{static char zztoktext[ZZLEXBUFSIZE]; \
427
zzlextext = zztoktext; zzrdfunc( f ); zzPrimeLookAhead;}
428
#define zzenterANTLR(f) \
429
{static char zztoktext[ZZLEXBUFSIZE]; \
430
zzlextext = zztoktext; zzrdstream( f ); zzPrimeLookAhead;}
432
#define zzleaveANTLR(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
433
#define zzleaveANTLRf(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
434
#define zzleaveANTLRs(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
436
#define zzleaveANTLR(f)
437
#define zzleaveANTLRf(f)
438
#define zzleaveANTLRs(f)
443
/* MR19 Paul D. Smith (psmith@baynetworks.com)
444
Need to adjust AST stack pointer at exit.
445
Referenced in ANTLRx macros.
449
#define ZZAST_ADJUST ++zzast_sp;
454
#define ANTLR(st, f) zzbufsize = ZZLEXBUFSIZE; \
458
st; /* ++zzasp; Removed MR20 G. Hobbelt */ \
459
/* ZZAST_ADJUST Removed MR20 G. Hobbelt */ \
460
/* MR20 G. Hobbelt. Kill the top' attribute (+AST stack corr.) */ \
461
zzEXIT_ANTLR(zztasp1 + 1); \
465
#define ANTLRm(st, f, _m) zzbufsize = ZZLEXBUFSIZE; \
470
st; /* ++zzasp; Removed MR20 G. Hobbelt */ \
471
/* ZZAST_ADJUST Removed MR20 G. Hobbelt */ \
472
/* MR20 G. Hobbelt. Kill the top' attribute (+AST stack corr.) */ \
473
zzEXIT_ANTLR(zztasp1 + 1); \
477
#define ANTLRf(st, f) zzbufsize = ZZLEXBUFSIZE; \
481
st; /* ++zzasp; Removed MR20 G. Hobbelt */ \
482
/* ZZAST_ADJUST Removed MR20 G. Hobbelt */ \
483
/* MR20 G. Hobbelt. Kill the top' attribute (+AST stack corr.) */ \
484
zzEXIT_ANTLR(zztasp1 + 1); \
488
#define ANTLRs(st, s) zzbufsize = ZZLEXBUFSIZE; \
492
st; /* ++zzasp; Removed MR20 G. Hobbelt */ \
493
/* ZZAST_ADJUST Removed MR20 G. Hobbelt */ \
494
/* MR20 G. Hobbelt. Kill the top' attribute (+AST stack corr.) */ \
495
zzEXIT_ANTLR(zztasp1 + 1); \
500
#define zztext (&(zztextLA[zzlap][0]))
502
#define zztext zzlextext
506
/* A r g u m e n t A c c e s s */
508
#define zzaCur (zzaStack[zzasp])
509
#define zzaRet (*zzaRetPtr)
510
#define zzaArg(v,n) zzaStack[v-n]
511
#define zzMakeAttr { zzNON_GUESS_MODE {zzOvfChk; --zzasp; zzcr_attr(&(zzaStack[zzasp]),LA(1),LATEXT(1));}}
513
#define zzMake0 { zzOvfChk; --zzasp; zzdef0(&(zzaStack[zzasp]));}
515
#define zzMake0 { zzOvfChk; --zzasp;}
517
#define zzaPush(_v) { zzOvfChk; zzaStack[--zzasp] = _v;}
519
#define zzREL(t) zzasp=(t); /* Restore state of stack */
521
#define zzREL(t) for (; zzasp<(t); zzasp++) \
522
{ zzd_attr(&(zzaStack[zzasp])); }
526
#define zzsetmatch(_es,_tokclassErrset) \
527
if ( !_zzsetmatch(_es, &zzBadText, &zzMissText, &zzMissTok, &zzBadTok, &zzMissSet, _tokclassErrset) ) goto fail; /* MR23 */
530
#define zzsetmatch_wsig(_es, handler) \
531
if ( !_zzsetmatch_wsig(_es) ) if (zzguessing) { zzGUESS_FAIL; } else {_signal=MismatchedToken; goto handler;}
533
#define zzsetmatch_wsig(_es, handler) \
534
if ( !_zzsetmatch_wsig(_es) ) {_signal=MismatchedToken; goto handler;}
538
extern int _zzsetmatch(SetWordType *, char **, char **, int *, int *, SetWordType **, SetWordType * /* MR23 */);
539
extern int _zzsetmatch_wsig(SetWordType *);
541
extern int _zzsetmatch();
542
extern int _zzsetmatch_wsig();
545
#define zzmatch(_t) \
546
if ( !_zzmatch(_t, &zzBadText, &zzMissText, &zzMissTok, &zzBadTok, &zzMissSet) ) goto fail;
549
#define zzmatch_wsig(_t,handler) \
550
if ( !_zzmatch_wsig(_t) ) if (zzguessing) { zzGUESS_FAIL; } else {_signal=MismatchedToken; goto handler;}
552
#define zzmatch_wsig(_t,handler) \
553
if ( !_zzmatch_wsig(_t) ) {_signal=MismatchedToken; goto handler;}
557
extern int _zzmatch(int, char **, char **, int *, int *, SetWordType **);
558
extern int _zzmatch_wsig(int);
560
extern int _zzmatch();
561
extern int _zzmatch_wsig();
564
#define zzmatch_wdfltsig(_t,_f) \
565
if ( !_zzmatch_wdfltsig(_t,_f) ) _signal=MismatchedToken;
566
#define zzsetmatch_wdfltsig(tw,tt,wf) \
567
if ( !_zzsetmatch_wdfltsig(tw,tt,wf) ) _signal=MismatchedToken;
570
extern int _zzmatch_wdfltsig(int, SetWordType *);
571
extern int _zzsetmatch_wdfltsig(SetWordType *tokensWanted,
573
SetWordType *whatFollows);
575
extern int _zzmatch_wdfltsig();
576
extern int _zzsetmatch_wdfltsig();
580
#define zzRULE Attrib *zzaRetPtr = &(zzaStack[zzasp-1]); \
581
SetWordType *zzMissSet=NULL; int zzMissTok=0; \
582
int zzBadTok=0; char *zzBadText=""; \
583
int zzErrk=1,zzpf=0; \
585
char *zzMissText=""; zzASTVars
587
#define zzRULE Attrib *zzaRetPtr = &(zzaStack[zzasp-1]); \
588
int zzBadTok=0; char *zzBadText=""; \
589
int zzErrk=1,zzpf=0; \
591
SetWordType *zzMissSet=NULL; int zzMissTok=0; char *zzMissText=""
595
#define zzBLOCK(i) int i = zzasp - 1; int zztsp = zzast_sp
596
#define zzEXIT(i) zzREL(i); zzastREL; zzNON_GUESS_MODE { zzastPush(*_root); }
597
#define zzEXIT_ANTLR(i) zzREL(i); zzastREL /* [i_a] added as we want this for the ANTLRx() macros */
598
#define zzLOOP(i) zzREL(i); zzastREL
600
#define zzBLOCK(i) int i = zzasp - 1
601
#define zzEXIT(i) zzREL(i)
602
#define zzEXIT_ANTLR(i) zzREL(i) /* [i_a] added as we want this for the ANTLRx() macros */
603
#define zzLOOP(i) zzREL(i)
609
#define LOOK(_k) {int i,stop=_k-(LL_K-zzdirty); for (i=1; i<=stop; i++) \
611
#define zzCONSUME {zzgettok(); zzdirty--; \
612
zzlap = (zzlap+1)&(LL_K-1); \
613
zzlextext = &(zztextLA[zzlap][0]);}
616
#define zzCONSUME {inf_zzgettok; \
617
zzlap = (zzlap+1)&(LL_K-1); \
618
zzlextext = &(zztextLA[zzlap][0]); \
621
#define zzCONSUME {zzgettok(); \
622
zzlap = (zzlap+1)&(LL_K-1); \
623
zzlextext = &(zztextLA[zzlap][0]);}
624
#endif /* ZZINF_LOOK */
625
#endif /* DEMAND_LOOK */
630
#define LOOK(_k) if ( zzdirty) zzCONSUME;
632
#define zzCONSUME inf_zzgettok; zzdirty=0;
634
#define zzCONSUME zzgettok(); zzdirty=0;
635
#endif /* ZZINF_LOOK */
637
#else /* DEMAND_LOOK */
640
#define zzCONSUME inf_zzgettok
642
#define zzCONSUME zzgettok();
645
#endif /* DEMAND_LOOK */
650
#define NLA zztokenLA[zzlap&(LL_K-1)] /* --> next LA */
651
#define NLATEXT zztextLA[zzlap&(LL_K-1)] /* --> next text of LA */
653
#define LA(i) zztokenLA[(zzlabase+(i)-1)&(LL_K-1)]
654
#define LATEXT(i) (&(zztextLA[(zzlabase+(i)-1)&(LL_K-1)][0]))
656
#define LA(i) zztokenLA[(zzlap+(i)-1)&(LL_K-1)]
657
#define LATEXT(i) (&(zztextLA[(zzlap+(i)-1)&(LL_K-1)][0]))
661
#define NLATEXT zztext
662
#define LA(i) zztoken
663
#define LATEXT(i) zztext
667
/* S t a n d a r d S i g n a l s */
670
#define MismatchedToken 1
671
#define NoViableAlt 2
672
#define NoSemViableAlt 3
674
/* MR7 Allow more control over signalling */
675
/* by adding "Unwind" and "zzsetSignal" */
678
#define zzsetSignal(newValue) *_retsignal=_signal=(newValue)
679
#define zzsuppressSignal *_retsignal=_signal=0
680
#define zzexportSignal *_retsignal=_signal
682
/* F u n c t i o n T r a c i n g */
684
#ifndef zzTRACE_RULES
688
#define zzTRACEdata ANTLRChar *zzTracePrevRuleName = NULL;
693
#define zzTRACEIN(r) zzTracePrevRuleName=zzTraceCurrentRuleName;zzTraceIn(r);
696
#define zzTRACEOUT(r) zzTraceOut(r);zzTraceCurrentRuleName=zzTracePrevRuleName;
699
/* MR19 zzchar_t additions */
703
#define zzchar_t wchar_t
705
#define zzchar_t char
712
#ifdef PCCTS_USE_STDARG
713
extern void zzFAIL(int k, ...);
715
extern void zzFAIL();
717
/* E x t e r n D e f s */
720
extern Attrib zzempty_attr(void);
721
extern Attrib zzconstr_attr(int, char *);
722
extern void zzsyn(char *, int, char *, SetWordType *, int, int, char *);
723
extern int zzset_el(unsigned, SetWordType *);
724
extern int zzset_deg(SetWordType *);
725
extern void zzedecode(SetWordType *);
727
extern void zzresynch(SetWordType *, SetWordType);
728
extern void zzsave_antlr_state(zzantlr_state *);
729
extern void zzrestore_antlr_state(zzantlr_state *);
730
extern void zzfill_inf_look(void);
731
extern void zzconsumeUntil(SetWordType *st); /* MR7 */
732
extern void zzconsumeUntilToken(int t); /* MR7 */
733
extern void zzTraceIn(char * ruleName); /* MR10 */
734
extern void zzTraceOut(char * ruleName); /* MR10 */
735
extern int zzTraceOption(int delta); /* MR10 */
736
extern int zzTraceGuessOption(int delta); /* MR10 */
737
extern void zzTraceReset(void); /* MR10 */
738
extern void zzTraceGuessFail(void); /* MR10 */
739
#ifdef EXCEPTION_HANDLING
740
extern void zzdflthandlers(int, int *);
743
extern Attrib zzempty_attr();
744
extern Attrib zzconstr_attr();
746
extern int zzset_el();
747
extern int zzset_deg();
748
extern void zzedecode();
749
extern void zzresynch();
750
extern void zzsave_antlr_state();
751
extern void zzrestore_antlr_state();
752
extern void zzfill_inf_look();
753
extern void zzconsumeUntil(); /* MR7 */
754
extern void zzconsumeUntilToken(); /* MR7 */
755
extern void zzTraceIn(); /* MR10 */
756
extern void zzTraceOut(); /* MR10 */
757
extern int zzTraceOption(); /* MR10 */
758
extern int zzTraceGuessOption(); /* MR10 */
759
extern void zzTraceReset(); /* MR10 */
760
extern void zzTraceGuessFail(); /* MR10 */
761
#ifdef EXCEPTION_HANDLING
762
extern void zzdflthandlers();
766
/* G l o b a l V a r i a b l e s */
768
/* Define a parser; user should do a "#parser myname" in their grammar file */
769
/*extern struct pccts_parser zzparser;*/
771
extern char *zztokens[];
773
extern int zztokenLA[];
774
extern zzchar_t zztextLA[][ZZLEXBUFSIZE];
781
extern char zzStackOvfMsg[];
783
extern Attrib zzaStack[];
785
extern int *zzinf_tokens;
786
extern char **zzinf_text;
787
extern char *zzinf_text_buffer;
788
extern int *zzinf_line;
789
extern int zzinf_labase;
790
extern int zzinf_last;
796
extern int zzguessing;
797
extern zzjmp_buf zzguess_start;
800
/* Define global veriables that refer to values exported by the scanner.
801
* These declarations duplicate those in dlgdef.h, but are needed
802
* if ANTLR is not to generate a .dlg file (-gx); PS, this is a hack.
804
extern zzchar_t *zzlextext; /* text of most recently matched token */
805
extern int zzbufsize; /* how long zzlextext is */
added
removed
pccts/h/antlr.h
