diff options
Diffstat (limited to 'BaseTools/Source/C/VfrCompile/Pccts/h/AParser.h')
| -rw-r--r-- | BaseTools/Source/C/VfrCompile/Pccts/h/AParser.h | 376 |
1 files changed, 0 insertions, 376 deletions
diff --git a/BaseTools/Source/C/VfrCompile/Pccts/h/AParser.h b/BaseTools/Source/C/VfrCompile/Pccts/h/AParser.h deleted file mode 100644 index fe405f4167..0000000000 --- a/BaseTools/Source/C/VfrCompile/Pccts/h/AParser.h +++ /dev/null @@ -1,376 +0,0 @@ -/* ANTLRParser.h
- *
- * Define the generic ANTLRParser superclass, which is subclassed to
- * define an actual parser.
- *
- * Before entry into this file: ANTLRTokenType must be set.
- *
- * 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
- * 1989-2000
- */
-
-#ifndef APARSER_H_GATE
-#define APARSER_H_GATE
-
-#include "pcctscfg.h"
-
-#include "pccts_stdio.h"
-#include "pccts_setjmp.h"
-
-PCCTS_NAMESPACE_STD
-
-#include ATOKEN_H
-#include ATOKENBUFFER_H
-
-#ifdef ZZCAN_GUESS
-#ifndef ZZINF_LOOK
-#define ZZINF_LOOK
-#endif
-#endif
-
-
-#define NLA (token_type[lap&(LLk-1)])/* --> next LA */
-
-typedef unsigned char SetWordType;
-
-/* Define external bit set stuff (for SetWordType) */
-#define EXT_WORDSIZE (sizeof(char)*8)
-#define EXT_LOGWORDSIZE 3
-
- /* s y n t a c t i c p r e d i c a t e s t u f f */
-
-#ifndef zzUSER_GUESS_HOOK
-#define zzUSER_GUESS_HOOK(seqFrozen,zzrv)
-#endif
-
-#ifndef zzUSER_GUESS_DONE_HOOK
-#define zzUSER_GUESS_DONE_HOOK(seqFrozen)
-#endif
-
-/* MR14 Add zzUSER_GUESS_FAIL_HOOK and related code */
-
-#define zzUSER_GUESS_FAIL_HOOK_INTERNAL zzUSER_GUESS_FAIL_HOOK(SeqFrozen)
-#ifndef zzUSER_GUESS_FAIL_HOOK
-#define zzUSER_GUESS_FAIL_HOOK(zzGuessSeq)
-#endif
-
-
-typedef struct _zzjmp_buf {
- jmp_buf state;
- } zzjmp_buf;
-
-/* these need to be macros not member functions */
-#define zzGUESS_BLOCK ANTLRParserState zzst; int zzrv; int _marker; int zzGuessSeqFrozen;
-#define zzNON_GUESS_MODE if ( !guessing )
-#define zzGUESS_FAIL guess_fail();
-
-/* Note: zzGUESS_DONE does not execute longjmp() */
-
-#define zzGUESS_DONE {zzrv=1; inputTokens->rewind(_marker); guess_done(&zzst);zzUSER_GUESS_DONE_HOOK(zzGuessSeqFrozen) }
-#define zzGUESS saveState(&zzst); \
- guessing = 1; \
- zzGuessSeqFrozen = ++zzGuessSeq; \
- _marker = inputTokens->mark(); \
- zzrv = setjmp(guess_start.state); \
- zzUSER_GUESS_HOOK(zzGuessSeqFrozen,zzrv) \
- if ( zzrv ) zzGUESS_DONE
-
-#define zzTRACEdata const ANTLRChar *zzTracePrevRuleName = NULL;
-
-#ifndef zzTRACEIN
-#define zzTRACEIN(r) zzTracePrevRuleName=traceCurrentRuleName;tracein(r);
-#endif
-#ifndef zzTRACEOUT
-#define zzTRACEOUT(r) traceout(r);traceCurrentRuleName=zzTracePrevRuleName;
-#endif
-
- /* a n t l r p a r s e r d e f */
-
-struct ANTLRParserState {
- /* class variables */
- zzjmp_buf guess_start;
- int guessing;
-
- int inf_labase;
- int inf_last;
-
- int dirty;
-
- int traceOptionValue; // MR10
- int traceGuessOptionValue; // MR10
- const ANTLRChar *traceCurrentRuleName; // MR10
- int traceDepth; // MR10
-
-};
-
-/* notes:
- *
- * multiple inheritance is a cool way to include what stuff is needed
- * in this structure (like guess stuff). however, i'm not convinced that
- * multiple inheritance works correctly on all platforms. not that
- * much space is used--just include all possibly useful members.
- *
- * the class should also be a template with arguments for the lookahead
- * depth and so on. that way, more than one parser can be defined (as
- * each will probably have different lookahead requirements). however,
- * am i sure that templates work? no, i'm not sure.
- *
- * no attributes are maintained and, hence, the 'asp' variable is not
- * needed. $i can still be referenced, but it refers to the token
- * associated with that rule element. question: where are the token's
- * stored if not on the software stack? in local variables created
- * and assigned to by antlr.
- */
-class ANTLRParser {
-protected:
- /* class variables */
- static SetWordType bitmask[sizeof(SetWordType)*8];
- static char eMsgBuffer[500];
-
-protected:
- int LLk; // number of lookahead symbols (old LL_K)
- int demand_look;
- ANTLRTokenType eofToken; // when do I stop during resynch()s
- int bsetsize; // size of bitsets created by ANTLR in
- // units of SetWordType
-
- ANTLRTokenBuffer *inputTokens; //place to get input tokens
-
- zzjmp_buf guess_start; // where to jump back to upon failure
- int guessing; // if guessing (using (...)? predicate)
-
- // infinite lookahead stuff
- int can_use_inf_look; // set by subclass (generated by ANTLR)
- int inf_lap;
- int inf_labase;
- int inf_last;
- int *_inf_line;
-
- const ANTLRChar **token_tbl; // pointer to table of token type strings MR20 const
-
- int dirty; // used during demand lookahead
-
- ANTLRTokenType *token_type; // fast reference cache of token.getType()
-// ANTLRLightweightToken **token; // the token with all its attributes
- int lap;
- int labase;
-#ifdef ZZDEFER_FETCH
- int stillToFetch; // MR19 V.H. Simonis
-#endif
-
-private:
- void fill_inf_look();
-
-protected:
- virtual void guess_fail() { // MR9 27-Sep-97 make virtual
- traceGuessFail(); // MR10
- longjmp(guess_start.state, 1); } // MR9
- virtual void guess_done(ANTLRParserState *st) { // MR9 27-Sep-97 make virtual
- restoreState(st); } // MR9
- virtual int guess(ANTLRParserState *); // MR9 27-Sep-97 make virtual
- void look(int);
- int _match(ANTLRTokenType, ANTLRChar **, ANTLRTokenType *,
- _ANTLRTokenPtr *, SetWordType **);
- int _setmatch(SetWordType *, ANTLRChar **, ANTLRTokenType *,
- _ANTLRTokenPtr *, SetWordType **,
- SetWordType * tokclassErrset /* MR23 */);
- int _match_wsig(ANTLRTokenType);
- int _setmatch_wsig(SetWordType *);
- virtual void consume();
- virtual void resynch(SetWordType *wd,SetWordType mask); // MR21
- void prime_lookahead();
- virtual void tracein(const ANTLRChar *r); // MR10
- virtual void traceout(const ANTLRChar *r); // MR10
- static unsigned MODWORD(unsigned x) {return x & (EXT_WORDSIZE-1);} // x % EXT_WORDSIZE // MR9
- static unsigned DIVWORD(unsigned x) {return x >> EXT_LOGWORDSIZE;} // x / EXT_WORDSIZE // MR9
- int set_deg(SetWordType *);
- int set_el(ANTLRTokenType, SetWordType *);
- virtual void edecode(SetWordType *); // MR1
- virtual void FAIL(int k, ...); // MR1
- int traceOptionValue; // MR10
- int traceGuessOptionValue; // MR10
- const ANTLRChar *traceCurrentRuleName; // MR10
- int traceDepth; // MR10
- void traceReset(); // MR10
- virtual void traceGuessFail(); // MR10
- virtual void traceGuessDone(const ANTLRParserState *); // MR10
- int zzGuessSeq; // MR10
-
-public:
- ANTLRParser(ANTLRTokenBuffer *,
- int k=1,
- int use_inf_look=0,
- int demand_look=0,
- int bsetsize=1);
- virtual ~ANTLRParser();
-
- virtual void init();
-
- ANTLRTokenType LA(int i)
- {
-//
-// MR14 demand look will always be 0 for C++ mode
-//
-//// return demand_look ? token_type[(labase+(i)-1)&(LLk-1)] :
-//// token_type[(lap+(i)-1)&(LLk-1)];
-
-// MR19 V.H. Simonis Defer fetch feature
-
-#ifdef ZZDEFER_FETCH
- undeferFetch();
-#endif
- return token_type[(lap+(i)-1)&(LLk-1)];
- }
- _ANTLRTokenPtr LT(int i);
-
- void setEofToken(ANTLRTokenType t) { eofToken = t; }
- ANTLRTokenType getEofToken() const { return eofToken; } // MR14
-
- void noGarbageCollectTokens() { inputTokens->noGarbageCollectTokens(); }
- void garbageCollectTokens() { inputTokens->garbageCollectTokens(); }
-
- virtual void syn(_ANTLRTokenPtr tok, ANTLRChar *egroup,
- SetWordType *eset, ANTLRTokenType etok, int k);
- virtual void saveState(ANTLRParserState *); // MR9 27-Sep-97 make virtual
- virtual void restoreState(ANTLRParserState *); // MR9 27-Sep-97 make virtual
-
- virtual void panic(const char *msg); // MR20 const
-
- static char *eMsgd(char *,int);
- static char *eMsg(char *,char *);
- static char *eMsg2(char *,char *,char *);
-
- virtual int printMessage(FILE* pFile, const char* pFormat, ...); // MR23
- virtual int printMessageV(FILE* pFile, const char* pFormat, va_list arglist); // MR23
-
- void consumeUntil(SetWordType *st);
- void consumeUntilToken(int t);
-
- virtual int _setmatch_wdfltsig(SetWordType *tokensWanted,
- ANTLRTokenType tokenTypeOfSet,
- SetWordType *whatFollows);
- virtual int _match_wdfltsig(ANTLRTokenType tokenWanted,
- SetWordType *whatFollows);
-
- const ANTLRChar * parserTokenName(int tok); // MR1
-
- int traceOptionValueDefault; // MR11
- int traceOption(int delta); // MR11
- int traceGuessOption(int delta); // MR11
-
-// MR8 5-Aug-97 S.Bochnak@microtool.com.pl
-// MR8 Move resynch static local variable
-// MR8 to class instance
-
- int syntaxErrCount; // MR12
- ANTLRTokenStream *getLexer() const { // MR12
- return inputTokens ? inputTokens->getLexer() : 0; } // MR12
-protected: // MR8
- int resynchConsumed; // MR8
- char *zzFAILtext; // workarea required by zzFAIL // MR9
- void undeferFetch(); // MR19 V.H. Simonis
- int isDeferFetchEnabled(); // MR19 V.H. Simonis
- virtual void failedSemanticPredicate(const char* predicate); /* MR23 */
-};
-
-#define zzmatch(_t) \
- if ( !_match((ANTLRTokenType)_t, &zzMissText, &zzMissTok, \
- (_ANTLRTokenPtr *) &zzBadTok, &zzMissSet) ) goto fail;
-
-#define zzmatch_wsig(_t,handler) \
- if ( !_match_wsig((ANTLRTokenType)_t) ) if ( guessing ) zzGUESS_FAIL else {_signal=MismatchedToken; goto handler;}
-
-#define zzsetmatch(_ts,_tokclassErrset) \
- if ( !_setmatch(_ts, &zzMissText, &zzMissTok, \
- (_ANTLRTokenPtr *) &zzBadTok, &zzMissSet, _tokclassErrset) ) goto fail;
-
-#define zzsetmatch_wsig(_ts, handler) \
- if ( !_setmatch_wsig(_ts) ) if ( guessing ) zzGUESS_FAIL else {_signal=MismatchedToken; goto handler;}
-
-/* For the dflt signal matchers, a FALSE indicates that an error occurred
- * just like the other matchers, but in this case, the routine has already
- * recovered--we do NOT want to consume another token. However, when
- * the match was successful, we do want to consume hence _signal=0 so that
- * a token is consumed by the "if (!_signal) consume(); _signal=NoSignal;"
- * preamble.
- */
-#define zzsetmatch_wdfltsig(tokensWanted, tokenTypeOfSet, whatFollows) \
- if ( !_setmatch_wdfltsig(tokensWanted, tokenTypeOfSet, whatFollows) ) \
- _signal = MismatchedToken;
-
-#define zzmatch_wdfltsig(tokenWanted, whatFollows) \
- if ( !_match_wdfltsig(tokenWanted, whatFollows) ) _signal = MismatchedToken;
-
-
-// MR1 10-Apr-97 zzfailed_pred() macro does not backtrack in guess mode.
-// MR1 Identification and correction due to J. Lilley
-//
-// MR23 Call virtual method to report error.
-// MR23 Provide more control over failed predicate action
-// without any need for user to worry about guessing internals.
-
-#ifndef zzfailed_pred
-#define zzfailed_pred(_p,_hasuseraction,_useraction) \
- if (guessing) { \
- zzGUESS_FAIL; \
- } else { \
- zzfailed_pred_action(_p,_hasuseraction,_useraction) \
- }
-#endif
-
-// MR23 Provide more control over failed predicate action
-// without any need for user to worry about guessing internals.
-// _hasuseraction == 0 => no user specified error action
-// _hasuseraction == 1 => user specified error action
-
-#ifndef zzfailed_pred_action
-#define zzfailed_pred_action(_p,_hasuseraction,_useraction) \
- if (_hasuseraction) { _useraction } else { failedSemanticPredicate(_p); }
-#endif
-
-#define zzRULE \
- SetWordType *zzMissSet=NULL; ANTLRTokenType zzMissTok=(ANTLRTokenType)0; \
- _ANTLRTokenPtr zzBadTok=NULL; ANTLRChar *zzBadText=(ANTLRChar *)""; \
- int zzErrk=1,zzpf=0; \
- zzTRACEdata \
- ANTLRChar *zzMissText=(ANTLRChar *)"";
-
-#endif
-
- /* S t a n d a r d E x c e p t i o n S i g n a l s */
-
-#define NoSignal 0
-#define MismatchedToken 1
-#define NoViableAlt 2
-#define NoSemViableAlt 3
-
-/* MR7 Allow more control over signalling */
-/* by adding "Unwind" and "SetSignal" */
-
-#define Unwind 4
-#define setSignal(newValue) *_retsignal=_signal=(newValue)
-#define suppressSignal *_retsignal=_signal=0
-#define exportSignal *_retsignal=_signal
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