• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1 /*
2  * proto.h -- function prototypes
3  *
4  * SOFTWARE RIGHTS
5  *
6  * We reserve no LEGAL rights to the Purdue Compiler Construction Tool
7  * Set (PCCTS) -- PCCTS is in the public domain.  An individual or
8  * company may do whatever they wish with source code distributed with
9  * PCCTS or the code generated by PCCTS, including the incorporation of
10  * PCCTS, or its output, into commerical software.
11  *
12  * We encourage users to develop software with PCCTS.  However, we do ask
13  * that credit is given to us for developing PCCTS.  By "credit",
14  * we mean that if you incorporate our source code into one of your
15  * programs (commercial product, research project, or otherwise) that you
16  * acknowledge this fact somewhere in the documentation, research report,
17  * etc...  If you like PCCTS and have developed a nice tool with the
18  * output, please mention that you developed it using PCCTS.  In
19  * addition, we ask that this header remain intact in our source code.
20  * As long as these guidelines are kept, we expect to continue enhancing
21  * this system and expect to make other tools available as they are
22  * completed.
23  *
24  * ANTLR 1.33
25  * Terence Parr
26  * Parr Research Corporation
27  * with Purdue University and AHPCRC, University of Minnesota
28  * 1989-2001
29  */
30 
31                            /* V a r i a b l e s */
32 
33 extern int tp;
34 extern Junction *SynDiag;
35 extern char Version[];
36 extern char VersionDef[];
37 #ifdef __cplusplus
38 extern void (*fpPrint[])(...);
39 #else
40 extern void (*fpPrint[])();
41 #endif
42 #ifdef __cplusplus
43 extern struct _set (*fpReach[])(...);
44 #else
45 extern struct _set (*fpReach[])();
46 #endif
47 #ifdef __cplusplus
48 extern struct _tree *(*fpTraverse[])(...);
49 #else
50 extern struct _tree *(*fpTraverse[])();
51 #endif
52 #ifdef __cplusplus
53 extern void (**fpTrans)(...);
54 #else
55 extern void (**fpTrans)();
56 #endif
57 #ifdef __cplusplus
58 extern void (**fpJTrans)(...);
59 #else
60 extern void (**fpJTrans)();
61 #endif
62 #ifdef __cplusplus
63 extern void (*C_Trans[NumNodeTypes+1])(...);
64 #else
65 extern void (*C_Trans[])();
66 #endif
67 #ifdef __cplusplus
68 extern void (*C_JTrans[NumJuncTypes+1])(...);
69 #else
70 extern void (*C_JTrans[])();
71 #endif
72 extern int BlkLevel;
73 extern int CurFile;
74 extern char *CurPredName;
75 extern char *CurRule;
76 extern int  CurRuleDebug;                       /* MR13 */
77 extern Junction *CurRuleBlk;
78 extern RuleEntry *CurRuleNode;
79 extern ListNode *CurElementLabels;
80 extern ListNode *CurAstLabelsInActions;         /* MR27 */
81 extern ListNode *ContextGuardPredicateList;     /* MR13 */
82 extern ListNode *CurActionLabels;
83 extern int numericActionLabel;        /* MR10 << ... $1 ... >> or << ... $1 ... >>?   */
84 extern ListNode *NumericPredLabels;   /* MR10 << ... $1 ... >>?  ONLY                 */
85 extern char *FileStr[];
86 extern int NumFiles;
87 extern int EpToken;
88 extern int WildCardToken;
89 extern Entry	**Tname,
90 				**Texpr,
91 				**Rname,
92 				**Fcache,
93 				**Tcache,
94 				**Elabel,
95 				**Sname,
96                 **Pname;    /* MR11 */
97 extern ListNode *ExprOrder;
98 extern ListNode **Cycles;
99 extern int TokenNum;
100 extern int LastTokenCounted;
101 extern ListNode *BeforeActions, *AfterActions, *LexActions;
102 
103 /* MR1							                        		    */
104 /* MR1  11-Apr-97	Provide mechanism for inserting code into DLG class     */
105 /* MR1			  via #lexmember <<....>> & #lexprefix <<...>>              */
106 /* MR1									    */
107 
108 extern ListNode *LexMemberActions;			 	             /* MR1 */
109 extern ListNode *LexPrefixActions;				             /* MR1 */
110 
111 extern set *fset;   /* for constrained search */             /* MR11 */
112 extern int maxk;    /* for constrained search */             /* MR11 */
113 extern int Save_argc;                                        /* MR10 */
114 extern char **Save_argv;                                     /* MR10 */
115 extern ListNode *eclasses, *tclasses;
116 extern char	*HdrAction;
117 extern char *FirstAction;                                    /* MR11 */
118 extern FILE	*ErrFile;
119 extern char *RemapFileName;
120 extern char *ErrFileName;
121 extern char *DlgFileName;
122 extern char *DefFileName;
123 extern char *ModeFileName;
124 extern char *StdMsgName;
125 extern int NumRules;
126 extern Junction **RulePtr;
127 extern int LL_k;
128 extern int CLL_k;
129 extern char *decodeJType[];
130 extern int PrintOut;
131 extern int PrintAnnotate;
132 extern int CodeGen;
133 extern int LexGen;
134 extern int esetnum;
135 extern int setnum;
136 extern int wordnum;
137 extern int GenAST;
138 extern int GenANSI;
139 extern int **FoStack;
140 extern int **FoTOS;
141 extern int GenExprSetsOpt;
142 extern FILE *DefFile;
143 extern int CannotContinue;
144 extern int GenCR;
145 extern int GenLineInfo;
146 extern int GenLineInfoMS;
147 extern int action_file, action_line;
148 extern int TraceGen;
149 extern int CurAmbigAlt1, CurAmbigAlt2, CurAmbigline, CurAmbigfile;
150 extern char *CurAmbigbtype;
151 extern int elevel;
152 extern int GenEClasseForRules;
153 extern FILE *input, *output;
154 extern char **TokenStr, **ExprStr;
155 extern int CurrentLexClass, NumLexClasses;
156 extern LClass lclass[];
157 extern char LexStartSymbol[];
158 extern char	*CurRetDef;
159 extern char	*CurParmDef;
160 extern int OutputLL_k;
161 extern int TreeResourceLimit;
162 extern int DemandLookahead;
163 extern char *RulePrefix;
164 extern int GenStdPccts;
165 extern char *stdpccts;
166 extern int ParseWithPredicates;
167 extern int ConstrainSearch;
168 extern int PURIFY;													/* MR23 */
169 
170 extern set MR_CompromisedRules;                                     /* MR14 */
171 extern int MR_AmbSourceSearch;                                      /* MR11 */
172 extern int MR_SuppressSearch;                                       /* MR13 */
173 extern int MR_AmbSourceSearchGroup;                                 /* MR11 */
174 extern int MR_AmbSourceSearchChoice;                                /* MR11 */
175 extern int MR_AmbSourceSearchLimit;                                 /* MR11 */
176 extern int MR_usingPredNames;                                       /* MR11 */
177 extern int MR_ErrorSetComputationActive;                            /* MR14 */
178 extern char *MR_AmbAidRule;                                         /* MR11 */
179 extern int   MR_AmbAidLine;                                         /* MR11 */
180 extern int   MR_AmbAidMultiple;                                     /* MR11 */
181 extern int MR_AmbAidDepth;                                          /* MR11 */
182 extern int MR_skipped_e3_report;                                    /* MR11 */
183 extern int MR_matched_AmbAidRule;                                   /* MR11 */
184 extern int MR_Inhibit_Tokens_h_Gen;                                 /* MR13 */
185 extern int NewAST;                                                  /* MR13 */
186 extern int tmakeInParser;                                           /* MR23 */
187 extern int AlphaBetaTrace;                                          /* MR14 */
188 extern int MR_BlkErr;                                               /* MR21 */
189 extern int MR_AlphaBetaWarning;                                     /* MR14 */
190 extern int MR_AlphaBetaMessageCount;                                /* MR14 */
191 extern int MR_MaintainBackTrace;                                    /* MR14 */
192 extern int MR_BadExprSets;                                          /* MR13 */
193 extern int FoundGuessBlk;
194 extern int FoundException;
195 extern int FoundAtOperator;				                             /* MR6 */
196 extern int FoundExceptionGroup;                                      /* MR6 */
197 extern int WarningLevel;
198 extern int UseStdout;					                             /* MR6 */
199 extern int TabWidth;					                             /* MR6 */
200 extern int pLevel;
201 extern int pAlt1;
202 extern int pAlt2;
203 extern int AImode;
204 extern int HoistPredicateContext;
205 extern int MRhoisting;                                               /* MR9 */
206 extern int MRhoistingk;                                              /* MR13 */
207 extern int MR_debugGenRule;                                          /* MR11 */
208 extern int GenCC;
209 extern char *ParserName;
210 extern char *StandardSymbols[];
211 extern char *ASTSymbols[];
212 extern set reserved_positions;
213 extern set all_tokens;
214 extern set imag_tokens;
215 extern set tokclasses;
216 extern ListNode *ForcedTokens;
217 extern int *TokenInd;
218 extern FILE *Parser_h, *Parser_c;
219 extern char CurrentClassName[];
220 extern int no_classes_found;
221 extern char Parser_h_Name[];
222 extern char Parser_c_Name[];
223 extern char MRinfoFile_Name[];                                      /* MR10 */
224 extern FILE *MRinfoFile;                                            /* MR10 */
225 extern int MRinfo;                                                  /* MR10 */
226 extern int MRinfoSeq;                                               /* MR10 */
227 extern int InfoP;                                                   /* MR10 */
228 extern int InfoT;                                                   /* MR10 */
229 extern int InfoF;                                                   /* MR10 */
230 extern int InfoM;                                                   /* MR10 */
231 extern int InfoO;                                                   /* MR12 */
232 extern int PotentialSuppression;                                    /* MR10 */
233 extern int PotentialDummy;                                          /* MR10 */
234 extern int TnodesInUse;                                             /* MR10 */
235 extern int TnodesPeak;                                              /* MR10 */
236 extern int TnodesReportThreshold;                                   /* MR11 */
237 extern int TnodesAllocated;                                         /* MR10 */
238 extern char *ClassDeclStuff;                                        /* MR10 */
239 extern char *BaseClassName;                                         /* MR22 */
240 extern ListNode *class_before_actions, *class_after_actions;
241 extern char *UserTokenDefsFile;
242 extern int UserDefdTokens;
243 extern ListNode *MetaTokenNodes;
244 extern char *OutputDirectory;
245 extern int DontCopyTokens;
246 extern int LTinTokenAction;                                         /* MR23 */
247 extern set AST_nodes_refd_in_actions;
248 extern ListNode *CurExGroups;
249 extern int CurBlockID;
250 extern int CurAltNum;
251 extern Junction *CurAltStart;
252 extern Junction *OuterAltStart;               /* chain exception groups MR7 */
253 extern ExceptionGroup *DefaultExGroup;
254 extern int NumSignals;
255 extern int ContextGuardTRAV;
256 extern Junction *MR_RuleBlkWithHalt;            /* MR10 */
257 extern PointerStack MR_BackTraceStack;          /* MR10 */
258 extern PointerStack MR_PredRuleRefStack;        /* MR10 */
259 extern PointerStack MR_RuleBlkWithHaltStack;    /* MR10 */
260 
261 /*									*/
262 /* MR1	10-Apr-97  MR1  Previously unable to put right shift operator	    */
263 /* MR1					in DLG action			                    */
264 /*								                                            */
265 extern int tokenActionActive;	                                     /* MR1 */
266 
267 extern char *PRED_OR_LIST;                                          /* MR10 */
268 extern char *PRED_AND_LIST;                                         /* MR10 */
269 
270 #ifdef __VMS
271 #define STRICMP strcasecmp /* MR21 */
272 #else
273 #define STRICMP stricmp /* MR21 */
274 #endif
275 
276 /* MR26 */
277 #ifdef PCCTS_USE_STDARG
278 extern Tree *tmake(Tree *root, ...);
279 #else
280 extern Tree *tmake();
281 #endif
282 
283 #ifdef __USE_PROTOS
284 extern int STRICMP(const char*, const char*);
285 extern void istackreset(void);
286 extern int istacksize(void);
287 extern void pushint(int);
288 extern int popint( void );
289 extern int istackempty( void );
290 extern int topint( void );
291 extern void NewSetWd( void );
292 extern void DumpSetWd( void );
293 extern void DumpSetWdForC( void );
294 extern void DumpSetWdForCC( void );
295 extern void NewSet( void );
296 extern void FillSet( set );
297 extern void ComputeErrorSets( void );
298 extern void ComputeTokSets( void );
299 extern void SubstErrorClass( set * );
300 extern int DefErrSet( set *, int, char * );
301 extern int DefErrSetForC( set *, int, char * );
302 extern int DefErrSetForCC( set *, int, char * );
303 extern int DefErrSet1(int, set *, int, char *);                         /* MR21 */
304 extern int DefErrSetForC1(int, set *, int, char *, const char* );       /* MR21 */
305 extern int DefErrSetForCC1(int, set *, int, char *, const char* );      /* MR21 */
306 extern int DefErrSetWithSuffix(int, set *, int, char *, const char *);  /* MR21 */
307 extern void GenErrHdr( void );
308 extern void dumpExpr( FILE *, char * );
309 extern void addParm( Node *, char * );
310 extern Graph buildAction( char *, int, int, int );
311 extern Graph buildToken( char * );
312 extern Graph buildWildCard( char * );
313 extern Graph buildRuleRef( char * );
314 extern Graph Or( Graph, Graph );
315 extern Graph Cat( Graph, Graph );
316 extern Graph makeOpt( Graph, int, char *);
317 extern Graph makeBlk( Graph, int, char *);
318 extern Graph makeLoop( Graph, int, char *);
319 extern Graph makePlus( Graph, int, char *);
320 extern Graph emptyAlt( void );
321 extern Graph emptyAlt3( void );
322 extern TokNode * newTokNode( void );
323 extern RuleRefNode * newRNode( void );
324 extern Junction * newJunction( void );
325 extern ActionNode * newActionNode( void );
326 extern char * makelocks( void );
327 extern void preorder( Tree * );
328 extern Tree * tnode( int );
329 extern void _Tfree( Tree * );
330 extern Tree * tdup( Tree * );
331 extern int is_single_tuple( Tree * );
332 extern Tree * tappend( Tree *, Tree * );
333 extern void Tfree( Tree * );
334 extern Tree * tlink( Tree *, Tree *, int );
335 extern Tree * tshrink( Tree * );
336 extern Tree * tflatten( Tree * );
337 extern Tree * tJunc( Junction *, int, set * );
338 extern Tree * tRuleRef( RuleRefNode *, int, set * );
339 extern Tree * tToken( TokNode *, int, set * );
340 extern Tree * tAction( ActionNode *, int, set * );
341 extern int tmember( Tree *, Tree * );
342 extern int tmember_constrained( Tree *, Tree * );
343 extern Tree * tleft_factor( Tree * );
344 extern Tree * trm_perm( Tree *, Tree * );
345 extern void tcvt( set *, Tree * );
346 extern Tree * permute( int, int );
347 extern Tree * VerifyAmbig( Junction *, Junction *, unsigned **, set *, Tree **, Tree **, int * );
348 extern set rJunc( Junction *, int, set * );
349 extern set rRuleRef( RuleRefNode *, int, set * );
350 extern set rToken( TokNode *, int, set * );
351 extern set rAction( ActionNode *, int, set * );
352 extern void HandleAmbiguity( Junction *, Junction *, Junction *, int );
353 extern set First( Junction *, int, int, int * );
354 extern void freeBlkFsets( Junction * );
355 extern void genAction( ActionNode * );
356 extern void genRuleRef( RuleRefNode * );
357 extern void genToken( TokNode * );
358 extern void genOptBlk( Junction * );
359 extern void genLoopBlk( Junction *, Junction *, Junction *, int );
360 extern void genLoopBegin( Junction * );
361 extern void genPlusBlk( Junction * );
362 extern void genSubBlk( Junction * );
363 extern void genRule( Junction * );
364 extern void genJunction( Junction * );
365 extern void genEndBlk( Junction * );
366 extern void genEndRule( Junction * );
367 extern void genHdr( int );
368 extern void genHdr1( int );
369 extern void dumpAction( char *, FILE *, int, int, int, int );
370 extern void dumpActionPlus(ActionNode*, char *, FILE *, int, int, int, int );   /* MR21 */
371 extern Entry ** newHashTable( void );
372 extern Entry * hash_add( Entry **, char *, Entry * );
373 extern Entry * hash_get( Entry **, char * );
374 extern void hashStat( Entry ** );
375 extern char * mystrdup( char * );
376 extern void genLexDescr( void );
377 extern void dumpLexClasses( FILE * );
378 extern void genDefFile( void );
379 extern void DumpListOfParmNames( char *, FILE *, int );	/* MR5 janm 26-May-97 */
380 extern int DumpNextNameInDef( char **, FILE * );
381 extern void DumpOldStyleParms( char *, FILE * );
382 extern void DumpType( char *, FILE * );
383 extern int strmember( char *, char * );
384 /* extern int HasComma( char * ); MR23 Replaced by hasMultipleOperands() */
385 extern void DumpRetValStruct( FILE *, char *, int );
386 extern char * StripQuotes( char * );
387 extern int main( int, char *[] );
388 extern void readDescr( void );
389 extern FILE * NextFile( void );
390 extern char * outnameX( char *, char *);
391 extern char * outname( char * );
392 extern void fatalFL( char *, char *, int );
393 extern void fatal_intern( char *, char *, int );
394 extern void cleanUp( void );
395 extern char * eMsg3( char *, char *, char *, char * );
396 extern char * eMsgd( char *, int );
397 extern char * eMsgd2( char *, int, int );
398 extern void s_fprT( FILE *, set );
399 extern char * TerminalString( int );
400 extern void lexclass( char * );
401 extern void lexmode( int );
402 extern int LexClassIndex( char * );
403 extern int hasAction( char * );
404 extern void setHasAction( char *, char * );
405 extern int addTname( char * );
406 extern int addTexpr( char * );
407 extern int Tnum( char * );
408 extern void Tklink( char *, char * );
409 extern Entry * newEntry( char *, int );
410 extern void list_add( ListNode **, void * );
411 extern void list_free( ListNode **, int freeData );     /* MR10 */
412 extern void list_apply( ListNode *, void (*)(void *) );
413 extern int list_search_cstring (ListNode *, char *);    /* MR27 */
414 extern char * Fkey( char *, int, int );
415 extern void FoPush( char *, int );
416 extern void FoPop( int );
417 extern void RegisterCycle( char *, int );
418 extern void ResolveFoCycles( int );
419 extern void pJunc( Junction * );
420 extern void pRuleRef( RuleRefNode * );
421 extern void pToken( TokNode * );
422 extern void pAction( ActionNode * );
423 extern void FoLink( Node * );
424 extern void addFoLink( Node *, char *, Junction * );
425 extern void GenCrossRef( Junction * );
426 extern void defErr( char *, long, long, long, long, long, long );
427 extern void genStdPCCTSIncludeFile(FILE *,char *);                  /* MR10 */
428 extern char * pcctsBaseName(char *);                                /* MR32 */
429 extern Predicate *find_predicates(Node *);                          /* MR10 */
430 extern Predicate *MR_find_predicates_and_supp(Node *);              /* MR13 */
431 extern int predicateLookaheadDepth(ActionNode *);                   /* MR10 */
432 extern void predicate_free(Predicate *);                            /* MR10 */
433 extern Predicate * predicate_dup(Predicate *);                      /* MR10 */
434 extern Predicate * predicate_dup_without_context(Predicate *);      /* MR11 */
435 extern void GenRulePrototypes(FILE *, Junction *);
436 extern Junction *first_item_is_guess_block(Junction *);
437 extern Junction *first_item_is_guess_block_extra(Junction * q);		/* MR30 */
438 extern Junction *analysis_point(Junction *);
439 extern Tree *make_tree_from_sets(set *, set *);
440 extern Tree *tdup_chain(Tree *);
441 extern Tree *tdif(Tree *, Predicate *, set *, set *);
442 extern set covered_set(Predicate *);
443 extern void AmbiguityDialog(Junction *, int, Junction *, Junction *, int *, int *);
444 extern void dumpAmbigMsg(set *, FILE *, int);
445 extern void GenRuleFuncRedefs(FILE *, Junction *);
446 extern void GenPredefinedSymbolRedefs(FILE *);
447 extern void GenASTSymbolRedefs(FILE *);
448 extern void GenRemapFile(void);
449 extern void GenSetRedefs(FILE *);
450 extern ForcedToken *newForcedToken(char *, int);
451 extern void RemapForcedTokens(void);
452 extern char *TokenOrExpr(int);
453 extern void setUpperRange(TokNode *, char *);
454 extern void GenParser_c_Hdr(void);
455 extern void GenParser_h_Hdr(void);
456 extern void GenRuleMemberDeclarationsForCC(FILE *, Junction *);
457 extern int addForcedTname( char *, int );
458 extern char *OutMetaName(char *);
459 extern void OutFirstSetSymbol(Junction *q, char *);                 /* MR21 */
460 extern void warnNoFL(char *err);
461 extern void warnFL(char *err,char *f,int l);
462 extern void warn(char *err);
463 extern void warnNoCR( char *err );
464 extern void errNoFL(char *err);
465 extern void errFL(char *err,char *f,int l);
466 extern void err(char *err);
467 extern void errNoCR( char *err );
468 extern void genPredTree( Predicate *p, Node *j, int ,int);
469 extern UserAction *newUserAction(char *);
470 extern char *gate_symbol(char *name);
471 extern char *makeAltID(int blockid, int altnum);
472 extern void DumpRemainingTokSets(void);
473 extern void DumpANSIFunctionArgDef(FILE *f, Junction *q, int bInit);  /* MR23 */
474 extern void DumpFormals(FILE *, char *, int bInit);                   /* MR23 */
475 extern char* hideDefaultArgs(const char* pdecl);                      /* MR22 VHS */
476 extern Predicate *computePredFromContextGuard(Graph,int *msgDone);    /* MR21 */
477 extern void recomputeContextGuard(Predicate *);                       /* MR13 */
478 extern Predicate *new_pred(void);
479 extern void chkGTFlag(void);
480 extern void leAdd(LabelEntry *);                                     /* MR7 */
481 extern void leFixup(void);                                           /* MR7 */
482 extern void egAdd(ExceptionGroup *);                                 /* MR7 */
483 extern void egFixup(void);                                           /* MR7 */
484 extern void altAdd(Junction *);                                      /* MR7 */
485 extern void altFixup(void);                                          /* MR7 */
486 extern Predicate * MR_find_in_aSubBlk(Junction *alt);                /* MR10 */
487 extern Predicate * MR_predFlatten(Predicate *p);				     /* MR10 */
488 extern Predicate * MR_predSimplifyALL(Predicate *p);	             /* MR10 */
489 extern Predicate * MR_predSimplifyALLX(Predicate *p,int skipPass3);  /* MR10 */
490 extern int MR_allPredLeaves(Predicate *p);                           /* MR10 */
491 extern void MR_cleanup_pred_trees(Predicate *p);                     /* MR10 */
492 extern int MR_predicate_context_completed(Predicate *p);             /* MR10 */
493 extern void MR_check_pred_too_long(Predicate *p,set completion);     /* MR10 */
494 extern Tree * MR_remove_epsilon_from_tree(Tree *t);                  /* MR10 */
495 extern Tree * MR_computeTreeAND(Tree *l,Tree *r);					 /* MR10 */
496 extern int MR_tree_equ(Tree *big, Tree *small);				         /* MR10 */
497 extern set MR_First(int ck,Junction *j,set *incomplete);  		     /* MR10 */
498 extern set MR_compute_pred_set(Predicate *p);                	     /* MR10 */
499 extern Tree * MR_compute_pred_tree_context(Predicate *p);     	     /* MR10 */
500 extern int MR_pointerStackPush(PointerStack *,void *);               /* MR10 */
501 extern void * MR_pointerStackPop(PointerStack *);                    /* MR10 */
502 extern void * MR_pointerStackTop(PointerStack *);                    /* MR10 */
503 extern void MR_pointerStackReset(PointerStack *);                    /* MR10 */
504 extern void MR_backTraceReport(void);                                /* MR10 */
505 extern void MR_alphaBetaTraceReport(void);                           /* MR14 */
506 extern void MR_dumpRuleSet(set);                                     /* MR14 */
507 extern void MR_predContextPresent(Predicate *p,int *,int *);         /* MR10 */
508 extern void MR_dumpPred(Predicate *p,int withContext);               /* MR10 */
509 extern void MR_dumpPred1(int,Predicate *p,int withContext);          /* MR10 */
510 extern void MR_xxxIndent(FILE *f,int depth);                         /* MR11 */
511 extern void MR_outputIndent(int depth);                              /* MR11 */
512 extern void MR_stderrIndent(int depth);                              /* MR11 */
513 extern Junction * MR_ruleReferenced(RuleRefNode *rrn);               /* MR10 */
514 extern Junction * MR_nameToRuleBlk(char *);                          /* MR10 */
515 extern void MR_releaseResourcesUsedInRule(Node *);                   /* MR10 */
516 extern void MR_dumpTreeX(int depth,Tree *t,int across);              /* MR10 */
517 extern void MR_dumpTreeF(FILE *f,int depth,Tree *t,int across);      /* MR10 */
518 extern void DumpFcache(void);                                        /* MR10 */
519 extern void MR_dumpTokenSet(FILE *f,int depth,set s);                /* MR10 */
520 extern void MR_traceAmbSource(set *,Junction *,Junction *);          /* MR11 */
521 extern void MR_traceAmbSourceK(Tree *,Junction *a1,Junction *a2);    /* MR11 */
522 extern void MR_traceAmbSourceKclient(void);                          /* MR20 */
523 extern Node *MR_advance(Node *);                                     /* MR11 */
524 extern int  MR_offsetFromRule(Node *);                               /* MR11 */
525 extern char *MR_ruleNamePlusOffset(Node *);                          /* MR11 */
526 extern int  MR_max_height_of_tree(Tree *);                           /* MR11 */
527 extern int  MR_all_leaves_same_height(Tree *,int);                   /* MR11 */
528 extern void MR_projectTreeOntoSet(Tree *t,int k,set *);              /* MR11 */
529 extern Tree *MR_make_tree_from_set(set);                             /* MR11 */
530 extern Predicate *MR_removeRedundantPredPass3(Predicate *);          /* MR11 */
531 extern void MR_pred_depth(Predicate *,int *);                        /* MR11 */
532 extern int  MR_comparePredicates(Predicate *,Predicate *);           /* MR11 */
533 extern Predicate * MR_unfold(Predicate *);                           /* MR11 */
534 extern void MR_simplifyInverted(Predicate *,int);                    /* MR11 */
535 extern int  MR_secondPredicateUnreachable                            /* MR11 */
536             (Predicate *first,Predicate *second);                    /* MR11 */
537 extern void MR_clearPredEntry(Predicate *);                          /* MR11 */
538 extern void MR_orphanRules(FILE *);                                  /* MR12 */
539 extern void MR_merge_contexts(Tree *);                               /* MR12 */
540 extern int  ci_strequ(char *,char *);                                 /* MR12 */
541 extern void MR_guardPred_plainSet(ActionNode *anode,Predicate *);    /* MR12c */
542 extern void MR_suppressSearchReport(void);                           /* MR12c */
543 extern Predicate * MR_suppressK(Node *,Predicate *);                 /* MR13 */
544 extern void MR_backTraceDumpItem(FILE *,int skip,Node *n);           /* MR13 */
545 extern void MR_backTraceDumpItemReset(void);                         /* MR13 */
546 extern Junction * MR_junctionWithoutP2(Junction *);                  /* MR13 */
547 extern void MR_setConstrainPointer(set *);							 /* MR18 */
548 extern void BlockPreambleOption(Junction *q, char * pSymbol);        /* MR23 */
549 extern char* getInitializer(char *);                                 /* MR23 */
550 extern char *endFormal(char *pStart,                                 /* MR23 */
551 					   char **ppDataType,                            /* MR23 */
552 					   char **ppSymbol,                              /* MR23 */
553 					   char **ppEqualSign,                           /* MR23 */
554 					   char **ppValue,                               /* MR23 */
555 					   char **ppSeparator,                           /* MR23 */
556 					   int *pNext);                                  /* MR23 */
557 extern char *strBetween(char *pStart,                                /* MR23 */
558 						char *pNext,                                 /* MR23 */
559 						char *pStop);                                /* MR23 */
560 extern int hasMultipleOperands(char *);                              /* MR23 */
561 extern void DumpInitializers(FILE*, RuleEntry*, char*);              /* MR23 */
562 extern int isTermEntryTokClass(TermEntry *);						 /* MR23 */
563 extern int isEmptyAlt(Node *, Node *);                               /* MR23 */
564 #else
565 extern int STRICMP();
566 extern void istackreset();
567 extern int istacksize();
568 extern void pushint();
569 extern int popint();
570 extern int istackempty();
571 extern int topint();
572 extern void NewSetWd();
573 extern void DumpSetWd();
574 extern void DumpSetWdForC();
575 extern void DumpSetWdForCC();
576 extern void NewSet();
577 extern void FillSet();
578 extern void ComputeErrorSets();
579 extern void ComputeTokSets();
580 extern void SubstErrorClass();
581 extern int DefErrSet();
582 extern int DefErrSetForC();
583 extern int DefErrSetForCC();
584 extern int DefErrSet1();
585 extern int DefErrSetForC1();
586 extern int DefErrSetForCC1();
587 extern int DefErrSetWithSuffix();                                   /* MR21 */
588 extern void GenErrHdr();
589 extern void dumpExpr();
590 extern void addParm();
591 extern Graph buildAction();
592 extern Graph buildToken();
593 extern Graph buildWildCard();
594 extern Graph buildRuleRef();
595 extern Graph Or();
596 extern Graph Cat();
597 extern Graph makeOpt();
598 extern Graph makeBlk();
599 extern Graph makeLoop();
600 extern Graph makePlus();
601 extern Graph emptyAlt();
602 extern Graph emptyAlt3();
603 extern TokNode * newTokNode();
604 extern RuleRefNode * newRNode();
605 extern Junction * newJunction();
606 extern ActionNode * newActionNode();
607 extern char * makelocks();
608 extern void preorder();
609 extern Tree * tnode();
610 extern void _Tfree();
611 extern Tree * tdup();
612 extern int is_single_tuple();
613 extern Tree * tappend();
614 extern void Tfree();
615 extern Tree * tlink();
616 extern Tree * tshrink();
617 extern Tree * tflatten();
618 extern Tree * tJunc();
619 extern Tree * tRuleRef();
620 extern Tree * tToken();
621 extern Tree * tAction();
622 extern int tmember();
623 extern int tmember_constrained();
624 extern Tree * tleft_factor();
625 extern Tree * trm_perm();
626 extern void tcvt();
627 extern Tree * permute();
628 extern Tree * VerifyAmbig();
629 extern set rJunc();
630 extern set rRuleRef();
631 extern set rToken();
632 extern set rAction();
633 extern void HandleAmbiguity();
634 extern set First();
635 extern void freeBlkFsets();
636 extern void genAction();
637 extern void genRuleRef();
638 extern void genToken();
639 extern void genOptBlk();
640 extern void genLoopBlk();
641 extern void genLoopBegin();
642 extern void genPlusBlk();
643 extern void genSubBlk();
644 extern void genRule();
645 extern void genJunction();
646 extern void genEndBlk();
647 extern void genEndRule();
648 extern void genHdr();
649 extern void genHdr1();
650 extern void dumpAction();
651 extern void dumpActionPlus();                           /* MR21 */
652 extern Entry ** newHashTable();
653 extern Entry * hash_add();
654 extern Entry * hash_get();
655 extern void hashStat();
656 extern char * mystrdup();
657 extern void genLexDescr();
658 extern void dumpLexClasses();
659 extern void genDefFile();
660 extern void DumpListOfParmNames();                    /* MR5 janm 26-May-97 */
661 extern int DumpNextNameInDef();
662 extern void DumpOldStyleParms();
663 extern void DumpType();
664 extern int strmember();
665 /* extern int HasComma(); MR23 Replaced by hasMultipleOperands() */
666 extern void DumpRetValStruct();
667 extern char * StripQuotes();
668 extern int main();
669 extern void readDescr();
670 extern FILE * NextFile();
671 extern char * outnameX();
672 extern char * outname();
673 extern void fatalFL();
674 extern void fatal_intern();
675 extern void cleanUp();
676 extern char * eMsg3();
677 extern char * eMsgd();
678 extern char * eMsgd2();
679 extern void s_fprT();
680 extern char * TerminalString();
681 extern void lexclass();
682 extern void lexmode();
683 extern int LexClassIndex();
684 extern int hasAction();
685 extern void setHasAction();
686 extern int addTname();
687 extern int addTexpr();
688 extern int Tnum();
689 extern void Tklink();
690 extern Entry * newEntry();
691 extern void list_add();
692 extern void list_free();                /* MR10 */
693 extern void list_apply();
694 extern int list_search_cstring ();      /* MR27 */
695 extern char * Fkey();
696 extern void FoPush();
697 extern void FoPop();
698 extern void RegisterCycle();
699 extern void ResolveFoCycles();
700 extern void pJunc();
701 extern void pRuleRef();
702 extern void pToken();
703 extern void pAction();
704 extern void FoLink();
705 extern void addFoLink();
706 extern void GenCrossRef();
707 extern void defErr();
708 extern void genStdPCCTSIncludeFile();
709 extern char * pcctsBaseName();                                /* MR32 */
710 extern Predicate *find_predicates();
711 extern Predicate *MR_find_predicates_and_supp();              /* MR13 */
712 extern int predicateLookaheadDepth();                         /* MR10 */
713 extern void predicate_free();                                 /* MR10 */
714 extern Predicate * predicate_dup();                           /* MR10 */
715 extern Predicate * predicate_dup_without_context();           /* MR11 */
716 extern void GenRulePrototypes();
717 extern Junction *first_item_is_guess_block();
718 extern Junction *first_item_is_guess_block_extra();			  /* MR30 */
719 extern Junction *analysis_point();
720 extern Tree *make_tree_from_sets();
721 extern Tree *tdup_chain();
722 extern Tree *tdif();
723 extern set covered_set();
724 extern void AmbiguityDialog();
725 extern void dumpAmbigMsg();
726 extern void GenRuleFuncRedefs();
727 extern void GenPredefinedSymbolRedefs();
728 extern void GenASTSymbolRedefs();
729 extern void GenRemapFile();
730 extern void GenSetRedefs();
731 extern ForcedToken *newForcedToken();
732 extern void RemapForcedTokens();
733 extern char *TokenOrExpr();
734 extern void setUpperRange();
735 extern void GenParser_c_Hdr();
736 extern void GenParser_h_Hdr();
737 extern void GenRuleMemberDeclarationsForCC();
738 extern int addForcedTname();
739 extern char *OutMetaName();
740 extern void OutFirstSetSymbol();                            /* MR21 */
741 extern void warnNoFL();
742 extern void warnFL();
743 extern void warn();
744 extern void warnNoCR();
745 extern void errNoFL();
746 extern void errFL();
747 extern void err();
748 extern void errNoCR();
749 extern void genPredTree();
750 extern UserAction *newUserAction();
751 extern char *gate_symbol();
752 extern char *makeAltID();
753 extern void DumpRemainingTokSets();
754 extern void DumpANSIFunctionArgDef();
755 extern void DumpFormals();                                           /* MR23 */
756 extern char* hideDefaultArgs();                                      /* MR22 VHS */
757 extern Predicate *computePredFromContextGuard();
758 extern void recomputeContextGuard();                                 /* MR13 */
759 extern Predicate *new_pred();
760 extern void chkGTFlag();
761 extern void leAdd();                                                 /* MR7 */
762 extern void leFixup();                                               /* MR7 */
763 extern void egAdd();                                                 /* MR7 */
764 extern void egFixup();                                               /* MR7 */
765 extern void altAdd();                                                /* MR7 */
766 extern void altFixup();                                              /* MR7 */
767 extern Predicate * MR_find_in_aSubBlk();       		                /* MR10 */
768 extern Predicate * MR_predFlatten();						        /* MR10 */
769 extern Predicate * MR_predSimplifyALL();                            /* MR10 */
770 extern Predicate * MR_predSimplifyALLX();                           /* MR10 */
771 extern void MR_cleanup_pred_trees();                                /* MR10 */
772 extern int MR_allPredLeaves();                                      /* MR10 */
773 extern int MR_predicate_context_completed();                        /* MR10 */
774 extern void MR_check_pred_too_long();                               /* MR10 */
775 extern Tree * MR_remove_epsilon_from_tree();				        /* MR10 */
776 extern Tree * MR_computeTreeAND();					                /* MR10 */
777 extern int MR_tree_equ();                   				        /* MR10 */
778 extern set MR_First();				                                /* MR10 */
779 extern set MR_compute_pred_set();				                    /* MR10 */
780 extern Tree * MR_compute_pred_tree_context();				        /* MR10 */
781 extern int MR_pointerStackPush();                                   /* MR10 */
782 extern void * MR_pointerStackPop();                                 /* MR10 */
783 extern void * MR_pointerStackTop();                                 /* MR10 */
784 extern void MR_pointerStackReset();                                 /* MR10 */
785 extern void MR_backTraceReport();                                   /* MR10 */
786 extern void MR_alphaBetaTraceReport();                              /* MR14 */
787 extern void MR_dumpRuleSet();                                       /* MR14 */
788 extern void MR_predContextPresent();                                /* MR10 */
789 extern void MR_dumpPred();                                          /* MR10 */
790 extern void MR_dumpPred1();                                         /* MR10 */
791 extern void MR_xxxIndent();                                         /* MR11 */
792 extern void MR_stderrIndent();                                      /* MR11 */
793 extern void MR_outputIndent();                                      /* MR11 */
794 extern Junction * MR_ruleReferenced();                              /* MR10 */
795 extern void MR_releaseResourcesUsedInRule();                        /* MR10 */
796 extern void MR_dumpTreeX();                                         /* MR10 */
797 extern void MR_dumpTreeF();                                         /* MR10 */
798 extern void DumpFcache();                                           /* MR10 */
799 extern void MR_dumpTokenSet();                                      /* MR10 */
800 extern void MR_traceAmbSource();                                    /* MR11 */
801 extern Node *MR_advance();                                          /* MR11 */
802 extern int  MR_offsetFromRule();                                    /* MR11 */
803 extern char *MR_ruleNamePlusOffset();                               /* MR11 */
804 extern void MR_traceAmbSourceK();                                   /* MR11 */
805 extern void MR_traceAmbSourceKclient();                             /* [i_a] added */
806 extern int  MR_max_height_of_tree();                                /* MR11 */
807 extern int  MR_all_leaves_same_height();                            /* MR11 */
808 extern void MR_projectTreeOntoSet();                                /* MR11 */
809 extern Tree *MR_make_tree_from_set();                               /* MR11 */
810 extern Predicate *MR_removeRedundantPredPass3();                    /* MR11 */
811 extern void MR_pred_depth();                                        /* MR11 */
812 extern int  MR_comparePredicates();                                 /* MR11 */
813 extern Predicate * MR_unfold();                                     /* MR11 */
814 extern void MR_simplifyInverted();                                  /* MR11 */
815 extern int  MR_secondPredicateUnreachable();                        /* MR11 */
816 extern Junction * MR_nameToRuleBlk();                               /* MR10 */
817 extern void MR_clearPredEntry();                                    /* MR11 */
818 extern void MR_orphanRules();                                       /* MR12 */
819 extern void MR_merge_contexts();                                    /* MR12 */
820 extern int ci_strequ();                                             /* MR12 */
821 extern void MR_guardPred_plainSet();                                /* MR12c */
822 extern void MR_suppressSearchReport();                              /* MR12c */
823 extern Predicate * MR_suppressK();                                  /* MR13 */
824 extern void MR_backTraceDumpItem();                                 /* MR13 */
825 extern void MR_backTraceDumpItemReset();                            /* MR13 */
826 extern Junction * MR_junctionWithoutP2();                           /* MR13 */
827 extern void MR_setConstrainPointer();					  		    /* MR18 */
828 extern void BlockPreambleOption();                                  /* MR23 */
829 extern char* getInitializer();                                      /* MR23 */
830 extern int hasMultipleOperands();                                   /* MR23 */
831 extern char *endFormal();                                           /* MR23 */
832 extern char *strBetween();                                          /* MR23 */
833 extern void DumpInitializers();                                     /* MR23 */
834 extern int isTermEntryTokClass();							 	    /* MR23 */
835 extern int isEmptyAlt();
836 
837 #endif
838 
839 #ifdef __USE_PROTOS
840 #include <stdlib.h>
841 #endif
842 
843 /* MR20 G. Hobbelt  Create proper externs for dlg variables */
844 
845 extern set attribsRefdFromAction;
846 extern int inAlt;
847 extern int UsedOldStyleAttrib;
848 extern int UsedNewStyleLabel;
849 
850 #define MAX_BLK_LEVEL 100                       /* MR23 */
851 extern int     CurBlockID_array[MAX_BLK_LEVEL]; /* MR23 */
852 extern int     CurAltNum_array[MAX_BLK_LEVEL];  /* MR23 */
853