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/* antlr.h
*
* SOFTWARE RIGHTS
*
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
* company may do whatever they wish with source code distributed with
* PCCTS or the code generated by PCCTS, including the incorporation of
* PCCTS, or its output, into commerical software.
*
* We encourage users to develop software with PCCTS. However, we do ask
* that credit is given to us for developing PCCTS. By "credit",
* we mean that if you incorporate our source code into one of your
* programs (commercial product, research project, or otherwise) that you
* acknowledge this fact somewhere in the documentation, research report,
* etc... If you like PCCTS and have developed a nice tool with the
* output, please mention that you developed it using PCCTS. In
* addition, we ask that this header remain intact in our source code.
* As long as these guidelines are kept, we expect to continue enhancing
* this system and expect to make other tools available as they are
* completed.
*
* ANTLR 1.33
* Terence Parr
* Parr Research Corporation
* with Purdue University and AHPCRC, University of Minnesota
* 1989-1995
*/
#ifndef ANTLR_H
#define ANTLR_H
#include "btconfig.h"
/*
* Define all of the stack setup and manipulation of $i, #i variables.
*
* Notes:
* The type 'Attrib' must be defined before entry into this .h file.
*/
#include <stdlib.h>
#include <string.h>
typedef int ANTLRTokenType;
typedef unsigned char SetWordType;
typedef char ANTLRChar;
/* G u e s s S t u f f */
#ifdef ZZCAN_GUESS
#ifndef ZZINF_LOOK
#define ZZINF_LOOK
#endif
#endif
#ifdef ZZCAN_GUESS
typedef struct _zzjmp_buf {
jmp_buf state;
} zzjmp_buf;
#endif
/* can make this a power of 2 for more efficient lookup */
#ifndef ZZLEXBUFSIZE
#define ZZLEXBUFSIZE 2000
#endif
#define zzOvfChk \
if ( zzasp <= 0 ) \
{ \
fprintf(stderr, zzStackOvfMsg, __FILE__, __LINE__); \
exit(PCCTS_EXIT_FAILURE); \
}
#ifndef ZZA_STACKSIZE
#define ZZA_STACKSIZE 400
#endif
#ifndef ZZAST_STACKSIZE
#define ZZAST_STACKSIZE 400
#endif
#ifndef zzfailed_pred
#define zzfailed_pred(_p) \
fprintf(stderr, "semantic error; failed predicate: '%s'\n",_p)
#endif
#ifdef LL_K
#define LOOKAHEAD \
int zztokenLA[LL_K]; \
char zztextLA[LL_K][ZZLEXBUFSIZE]; \
int zzlap = 0, zzlabase=0; /* labase only used for DEMAND_LOOK */
#else
#define LOOKAHEAD \
int zztoken;
#endif
#ifndef zzcr_ast
#define zzcr_ast(ast,attr,tok,text)
#endif
#ifdef DEMAND_LOOK
#define DemandLookData int zzdirty=1;
#else
#define DemandLookData
#endif
/* S t a t e S t u f f */
#ifdef ZZCAN_GUESS
#define zzGUESS_BLOCK zzantlr_state zzst; int zzrv;
#define zzGUESS zzsave_antlr_state(&zzst); \
zzguessing = 1; \
zzrv = setjmp(zzguess_start.state);
#define zzGUESS_FAIL longjmp(zzguess_start.state, 1)
#define zzGUESS_DONE zzrestore_antlr_state(&zzst);
#define zzNON_GUESS_MODE if ( !zzguessing )
#define zzGuessData \
zzjmp_buf zzguess_start; \
int zzguessing;
#else
#define zzGUESS_BLOCK
#define zzGUESS
#define zzGUESS_FAIL
#define zzGUESS_DONE
#define zzNON_GUESS_MODE
#define zzGuessData
#endif
typedef struct _zzantlr_state {
#ifdef ZZCAN_GUESS
zzjmp_buf guess_start;
int guessing;
#endif
int asp;
int ast_sp;
#ifdef ZZINF_LOOK
int inf_lap; /* not sure we need to save this one */
int inf_labase;
int inf_last;
#endif
#ifdef DEMAND_LOOK
int dirty;
#endif
#ifdef LL_K
int tokenLA[LL_K];
char textLA[LL_K][ZZLEXBUFSIZE];
int lap;
int labase;
#else
int token;
char text[ZZLEXBUFSIZE];
#endif
} zzantlr_state;
/* I n f i n i t e L o o k a h e a d */
#ifdef ZZINF_LOOK
#define InfLookData \
int *zzinf_tokens; \
char **zzinf_text; \
char *zzinf_text_buffer; \
int *zzinf_line; \
int zzinf_labase; \
int zzinf_last;
#else
#define InfLookData
#endif
#ifdef ZZINF_LOOK
#ifndef ZZINF_DEF_TEXT_BUFFER_SIZE
#define ZZINF_DEF_TEXT_BUFFER_SIZE 20000
#endif
#ifndef ZZINF_DEF_TOKEN_BUFFER_SIZE
#define ZZINF_DEF_TOKEN_BUFFER_SIZE 2000
#endif
/* WARNING!!!!!!
* ZZINF_BUFFER_TEXT_CHUNK_SIZE must be > sizeof(text) largest possible token.
*/
#ifndef ZZINF_BUFFER_TEXT_CHUNK_SIZE
#define ZZINF_BUFFER_TEXT_CHUNK_SIZE 5000
#endif
#ifndef ZZINF_BUFFER_TOKEN_CHUNK_SIZE
#define ZZINF_BUFFER_TOKEN_CHUNK_SIZE 1000
#endif
#if ZZLEXBUFSIZE > ZZINF_BUFFER_TEXT_CHUNK_SIZE
#define ZZINF_BUFFER_TEXT_CHUNK_SIZE ZZLEXBUFSIZE+5
#endif
/* make inf_look user-access macros */
#ifdef LL_K
#define ZZINF_LA_VALID(i) (((zzinf_labase+i-1)-LL_K+1) <= zzinf_last)
#define ZZINF_LA(i) zzinf_tokens[(zzinf_labase+i-1)-LL_K+1]
#define ZZINF_LATEXT(i) zzinf_text[(zzinf_labase+i-1)-LL_K+1]
/* #define ZZINF_LINE(i) zzinf_line[(zzinf_labase+i-1)-LL_K+1]*/
#else
#define ZZINF_LA_VALID(i) (((zzinf_labase+i-1)) <= zzinf_last)
#define ZZINF_LA(i) zzinf_tokens[(zzinf_labase+i-1)]
#define ZZINF_LATEXT(i) zzinf_text[(zzinf_labase+i-1)]
#endif
#define inf_zzgettok _inf_zzgettok()
extern void _inf_zzgettok();
#endif /* ZZINF_LOOK */
#ifdef LL_K
#define ANTLR_INFO \
Attrib zzempty_attr(void) {static Attrib a; return a;} \
Attrib zzconstr_attr(int _tok, char *_text)\
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
int zzasp=ZZA_STACKSIZE; \
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
InfLookData \
zzGuessData
#else
#define ANTLR_INFO \
Attrib zzempty_attr(void) {static Attrib a; return a;} \
Attrib zzconstr_attr(int _tok, char *_text)\
{Attrib a; zzcr_attr((&a),_tok,_text); return a;} \
int zzasp=ZZA_STACKSIZE; \
char zzStackOvfMsg[]="fatal: attrib/AST stack overflow %s(%d)!\n"; \
Attrib zzaStack[ZZA_STACKSIZE]; DemandLookData \
InfLookData \
zzGuessData
#endif /* LL_k */
#ifdef ZZINF_LOOK
#ifdef LL_K
#ifdef DEMAND_LOOK
#define zzPrimeLookAhead {zzdirty=LL_K; zzlap = zzlabase = 0;}
#else
#define zzPrimeLookAhead {zzlap = zzlabase = 0; zzfill_inf_look();\
{int _i; for(_i=1;_i<=LL_K; _i++) \
{zzCONSUME;} zzlap = zzlabase = 0;}}
#endif
#else /* LL_K */
#ifdef DEMAND_LOOK
#define zzPrimeLookAhead zzfill_inf_look(); zzdirty=1
#else
#define zzPrimeLookAhead zzfill_inf_look(); inf_zzgettok
#endif
#endif /* LL_K */
#else /* ZZINF_LOOK */
#ifdef LL_K
#ifdef DEMAND_LOOK
#define zzPrimeLookAhead {zzdirty=LL_K; zzlap = zzlabase = 0;}
#else
#define zzPrimeLookAhead {int _i; zzlap = 0; for(_i=1;_i<=LL_K; _i++) \
{zzCONSUME;} zzlap = 0;}
#endif
#else
#ifdef DEMAND_LOOK
#define zzPrimeLookAhead zzdirty=1
#else
#define zzPrimeLookAhead zzgettok()
#endif
#endif /* LL_K */
#endif /* ZZINF_LOOK */
#ifdef LL_K
#define zzenterANTLRs(s) \
zzlextext = &(zztextLA[0][0]); zzrdstr( s ); zzPrimeLookAhead;
#define zzenterANTLRf(f) \
zzlextext = &(zztextLA[0][0]); zzrdfunc( f ); zzPrimeLookAhead;
#define zzenterANTLR(f) \
zzlextext = &(zztextLA[0][0]); zzrdstream( f ); zzPrimeLookAhead;
#ifdef ZZINF_LOOK
#define zzleaveANTLR(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#define zzleaveANTLRf(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#define zzleaveANTLRs(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#else
#define zzleaveANTLR(f)
#define zzleaveANTLRf(f)
#define zzleaveANTLRs(f)
#endif
#else
#define zzenterANTLRs(s) \
{static char zztoktext[ZZLEXBUFSIZE]; \
zzlextext = zztoktext; zzrdstr( s ); zzPrimeLookAhead;}
#define zzenterANTLRf(f) \
{static char zztoktext[ZZLEXBUFSIZE]; \
zzlextext = zztoktext; zzrdfunc( f ); zzPrimeLookAhead;}
#define zzenterANTLR(f) \
{static char zztoktext[ZZLEXBUFSIZE]; \
zzlextext = zztoktext; zzrdstream( f ); zzPrimeLookAhead;}
#ifdef ZZINF_LOOK
#define zzleaveANTLR(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#define zzleaveANTLRf(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#define zzleaveANTLRs(f) free(zzinf_text_buffer); free(zzinf_text); free(zzinf_tokens); free(zzinf_line);
#else
#define zzleaveANTLR(f)
#define zzleaveANTLRf(f)
#define zzleaveANTLRs(f)
#endif
#endif
#define ANTLR(st, f) zzbufsize = ZZLEXBUFSIZE; \
zzenterANTLR(f); \
st; ++zzasp; \
zzleaveANTLR(f);
#define ANTLRm(st, f, _m) zzbufsize = ZZLEXBUFSIZE; \
zzmode(_m); \
zzenterANTLR(f); \
st; ++zzasp; \
zzleaveANTLR(f);
#define ANTLRf(st, f) zzbufsize = ZZLEXBUFSIZE; \
zzenterANTLRf(f); \
st; ++zzasp; \
zzleaveANTLRf(f);
#define ANTLRs(st, s) zzbufsize = ZZLEXBUFSIZE; \
zzenterANTLRs(s); \
st; ++zzasp; \
zzleaveANTLRs(s);
#ifdef LL_K
#define zztext (&(zztextLA[zzlap][0]))
#else
#define zztext zzlextext
#endif
/* A r g u m e n t A c c e s s */
#define zzaCur (zzaStack[zzasp])
#define zzaRet (*zzaRetPtr)
#define zzaArg(v,n) zzaStack[v-n]
#define zzMakeAttr { zzNON_GUESS_MODE {zzOvfChk; --zzasp; zzcr_attr(&(zzaStack[zzasp]),LA(1),LATEXT(1));}}
#ifdef zzdef0
#define zzMake0 { zzOvfChk; --zzasp; zzdef0(&(zzaStack[zzasp]));}
#else
#define zzMake0 { zzOvfChk; --zzasp;}
#endif
#define zzaPush(_v) { zzOvfChk; zzaStack[--zzasp] = _v;}
#ifndef zzd_attr
#define zzREL(t) zzasp=(t); /* Restore state of stack */
#else
#define zzREL(t) for (; zzasp<(t); zzasp++) \
{ zzd_attr(&(zzaStack[zzasp])); }
#endif
#define zzsetmatch(_es) \
if ( !_zzsetmatch(_es, &zzBadText, &zzMissText, &zzMissTok, &zzBadTok, &zzMissSet) ) goto fail;
#define zzsetmatch_wsig(_es, handler) \
if ( !_zzsetmatch_wsig(_es) ) {_signal=MismatchedToken; goto handler;}
extern int _zzsetmatch(SetWordType *, char **, char **, int *, int *, SetWordType **);
extern int _zzsetmatch_wsig(SetWordType *);
#define zzmatch(_t) \
if ( !_zzmatch(_t, &zzBadText, &zzMissText, &zzMissTok, &zzBadTok, &zzMissSet) ) goto fail;
#define zzmatch_wsig(_t,handler) \
if ( !_zzmatch_wsig(_t) ) {_signal=MismatchedToken; goto handler;}
extern int _zzmatch(int, const char **, const char **, int *, int *, SetWordType **);
extern int _zzmatch_wsig(int);
#define zzmatch_wdfltsig(_t,_f) \
if ( !_zzmatch_wdfltsig(_t,_f) ) _signal=MismatchedToken;
#define zzsetmatch_wdfltsig(tw,tt,wf) \
if ( !_zzsetmatch_wdfltsig(tw,tt,wf) ) _signal=MismatchedToken;
extern int _zzmatch_wdfltsig(int, SetWordType *);
extern int _zzsetmatch_wdfltsig(SetWordType *tokensWanted,
int tokenTypeOfSet,
SetWordType *whatFollows);
#ifdef GENAST
#define zzRULE Attrib *zzaRetPtr = &(zzaStack[zzasp-1]); \
SetWordType *zzMissSet=NULL; int zzMissTok=0; \
int zzBadTok=0; const char *zzBadText=""; \
int zzErrk=1; \
const char *zzMissText=""; zzASTVars
#else
#define zzRULE Attrib *zzaRetPtr = &(zzaStack[zzasp-1]); \
int zzBadTok=0; const char *zzBadText=""; \
int zzErrk=1; \
SetWordType *zzMissSet=NULL; int zzMissTok=0; const char *zzMissText=""
#endif
#ifdef GENAST
#define zzBLOCK(i) int i = zzasp - 1; int zztsp = zzast_sp
#define zzEXIT(i) zzREL(i); zzastREL; zzNON_GUESS_MODE { zzastPush(*_root); }
#define zzLOOP(i) zzREL(i); zzastREL
#else
#define zzBLOCK(i) int i = zzasp - 1
#define zzEXIT(i) zzREL(i)
#define zzLOOP(i) zzREL(i)
#endif
#ifdef LL_K
#ifdef DEMAND_LOOK
#define LOOK(_k) {int i,stop=_k-(LL_K-zzdirty); for (i=1; i<=stop; i++) \
zzCONSUME;}
#define zzCONSUME {zzgettok(); zzdirty--; \
zzlap = (zzlap+1)&(LL_K-1); \
zzlextext = &(zztextLA[zzlap][0]);}
#else
#ifdef ZZINF_LOOK
#define zzCONSUME {inf_zzgettok; \
zzlap = (zzlap+1)&(LL_K-1); \
zzlextext = &(zztextLA[zzlap][0]); \
}
#else
#define zzCONSUME {zzgettok(); \
zzlap = (zzlap+1)&(LL_K-1); \
zzlextext = &(zztextLA[zzlap][0]);}
#endif /* ZZINF_LOOK */
#endif /* DEMAND_LOOK */
#else /* LL_K */
#ifdef DEMAND_LOOK
#define LOOK(_k) if ( zzdirty) zzCONSUME;
#ifdef ZZINF_LOOK
#define zzCONSUME inf_zzgettok; zzdirty=0;
#else
#define zzCONSUME zzgettok(); zzdirty=0;
#endif /* ZZINF_LOOK */
#else /* DEMAND_LOOK */
#ifdef ZZINF_LOOK
#define zzCONSUME inf_zzgettok
#else
#define zzCONSUME zzgettok();
#endif
#endif /* DEMAND_LOOK */
#endif /* LL_K */
#ifdef LL_K
#define NLA zztokenLA[zzlap&(LL_K-1)] /* --> next LA */
#define NLATEXT zztextLA[zzlap&(LL_K-1)] /* --> next text of LA */
#ifdef DEMAND_LOOK
#define LA(i) zztokenLA[(zzlabase+(i)-1)&(LL_K-1)]
#define LATEXT(i) (&(zztextLA[(zzlabase+(i)-1)&(LL_K-1)][0]))
#else
#define LA(i) zztokenLA[(zzlap+(i)-1)&(LL_K-1)]
#define LATEXT(i) (&(zztextLA[(zzlap+(i)-1)&(LL_K-1)][0]))
#endif
#else
#define NLA zztoken
#define NLATEXT zztext
#define LA(i) zztoken
#define LATEXT(i) zztext
#endif
/* S t a n d a r d S i g n a l s */
#define NoSignal 0
#define MismatchedToken 1
#define NoViableAlt 2
#define NoSemViableAlt 3
/* F u n c t i o n T r a c i n g */
#ifndef zzTRACEIN
#define zzTRACEIN(r) fprintf(stderr, "enter rule \"%s\"\n", r);
#endif
#ifndef zzTRACEOUT
#define zzTRACEOUT(r) fprintf(stderr, "exit rule \"%s\"\n", r);
#endif
#ifdef ZZWCHAR_T
#define zzchar_t unsigned wchar_t
#else
#define zzchar_t unsigned char
#endif
/* E x t e r n D e f s */
extern Attrib zzempty_attr(void);
extern Attrib zzconstr_attr(int, char *);
extern void zzsyn(const char *, int, char *, SetWordType *, int, int, const char *);
extern int zzset_el(unsigned, SetWordType *);
extern int zzset_deg(SetWordType *);
extern void zzedecode(SetWordType *);
extern void zzFAIL(int k, ...);
extern void zzresynch(SetWordType *, SetWordType);
extern void zzsave_antlr_state(zzantlr_state *);
extern void zzrestore_antlr_state(zzantlr_state *);
extern void zzfill_inf_look(void);
#ifdef EXCEPTION_HANDLING
extern void zzdflthandlers(int, int *);
#endif
/* G l o b a l V a r i a b l e s */
/* Define a parser; user should do a "#parser myname" in their grammar file */
/*extern struct pccts_parser zzparser;*/
extern const char *zztokens[];
#ifdef LL_K
extern int zztokenLA[];
extern char zztextLA[][ZZLEXBUFSIZE];
extern int zzlap;
extern int zzlabase;
#else
extern int zztoken;
#endif
extern char zzStackOvfMsg[];
extern int zzasp;
extern Attrib zzaStack[];
#ifdef ZZINF_LOOK
extern int *zzinf_tokens;
extern char **zzinf_text;
extern char *zzinf_text_buffer;
extern int *zzinf_line;
extern int zzinf_labase;
extern int zzinf_last;
#endif
#ifdef DEMAND_LOOK
extern int zzdirty;
#endif
#ifdef ZZCAN_GUESS
extern int zzguessing;
extern zzjmp_buf zzguess_start;
#endif
/* Define global veriables that refer to values exported by the scanner.
* These declarations duplicate those in dlgdef.h, but are needed
* if ANTLR is not to generate a .dlg file (-gx); PS, this is a hack.
*/
extern zzchar_t *zzlextext; /* text of most recently matched token */
extern int zzbufsize; /* how long zzlextext is */
#endif
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