/* V a r i a b l e s */

extern int tp;

extern Junction *SynDiag;

extern char Version[];

extern char VersionDef[];

#ifdef __cplusplus

extern void (*fpPrint[])(...);

#else

extern void (*fpPrint[])();

#endif

#ifdef __cplusplus

extern struct _set (*fpReach[])(...);

#else

extern struct _set (*fpReach[])();

#endif

#ifdef __cplusplus

extern struct _tree *(*fpTraverse[])(...);

#else

extern struct _tree *(*fpTraverse[])();

#endif

#ifdef __cplusplus

extern void (**fpTrans)(...);

#else

extern void (**fpTrans)();

#endif

#ifdef __cplusplus

extern void (**fpJTrans)(...);

#else

extern void (**fpJTrans)();

#endif

#ifdef __cplusplus

extern void (*C_Trans[NumNodeTypes+1])(...);

#else

extern void (*C_Trans[])();

#endif

#ifdef __cplusplus

extern void (*C_JTrans[NumJuncTypes+1])(...);

#else

extern void (*C_JTrans[])();

#endif

extern int BlkLevel;

extern int CurFile;

extern char *CurPredName;

extern char *CurRule;

extern int CurRuleDebug; /* MR13 */

extern Junction *CurRuleBlk;

extern RuleEntry *CurRuleNode;

extern ListNode *CurElementLabels;

extern ListNode *CurAstLabelsInActions; /* MR27 */

extern ListNode *ContextGuardPredicateList; /* MR13 */

extern ListNode *CurActionLabels;

extern int numericActionLabel; /* MR10 << ... $1 ... >> or << ... $1 ... >>? */

extern ListNode *NumericPredLabels; /* MR10 << ... $1 ... >>? ONLY */

extern char *FileStr[];

extern int NumFiles;

extern int EpToken;

extern int WildCardToken;

extern Entry **Tname,

**Texpr,

**Rname,

**Fcache,

**Tcache,

**Elabel,

**Sname,

**Pname; /* MR11 */

extern ListNode *ExprOrder;

extern ListNode **Cycles;

extern int TokenNum;

extern int LastTokenCounted;

extern ListNode *BeforeActions, *AfterActions, *LexActions;

extern ListNode *LexMemberActions; /* MR1 */

extern ListNode *LexPrefixActions; /* MR1 */

extern set *fset; /* for constrained search */ /* MR11 */

extern int maxk; /* for constrained search */ /* MR11 */

extern int Save_argc; /* MR10 */

extern char **Save_argv; /* MR10 */

extern ListNode *eclasses, *tclasses;

extern char *HdrAction;

extern char *FirstAction; /* MR11 */

extern FILE *ErrFile;

extern char *RemapFileName;

extern char *ErrFileName;

extern char *DlgFileName;

extern char *DefFileName;

extern char *ModeFileName;

extern char *StdMsgName;

extern int NumRules;

extern Junction **RulePtr;

extern int LL_k;

extern int CLL_k;

extern char *decodeJType[];

extern int PrintOut;

extern int PrintAnnotate;

extern int CodeGen;

extern int LexGen;

extern int esetnum;

extern int setnum;

extern int wordnum;

extern int GenAST;

extern int GenANSI;

extern int **FoStack;

extern int **FoTOS;

extern int GenExprSetsOpt;

extern FILE *DefFile;

extern int CannotContinue;

extern int GenCR;

extern int GenLineInfo;

extern int GenLineInfoMS;

extern int action_file, action_line;

extern int TraceGen;

extern int CurAmbigAlt1, CurAmbigAlt2, CurAmbigline, CurAmbigfile;

extern char *CurAmbigbtype;

extern int elevel;

extern int GenEClasseForRules;

extern FILE *input, *output;

extern char **TokenStr, **ExprStr;

extern int CurrentLexClass, NumLexClasses;

extern LClass lclass[];

extern char LexStartSymbol[];

extern char *CurRetDef;

extern char *CurParmDef;

extern int OutputLL_k;

extern int TreeResourceLimit;

extern int DemandLookahead;

extern char *RulePrefix;

extern int GenStdPccts;

extern char *stdpccts;

extern int ParseWithPredicates;

extern int ConstrainSearch;

extern int PURIFY; /* MR23 */

extern set MR_CompromisedRules; /* MR14 */

extern int MR_AmbSourceSearch; /* MR11 */

extern int MR_SuppressSearch; /* MR13 */

extern int MR_AmbSourceSearchGroup; /* MR11 */

extern int MR_AmbSourceSearchChoice; /* MR11 */

extern int MR_AmbSourceSearchLimit; /* MR11 */

extern int MR_usingPredNames; /* MR11 */

extern int MR_ErrorSetComputationActive; /* MR14 */

extern char *MR_AmbAidRule; /* MR11 */

extern int MR_AmbAidLine; /* MR11 */

extern int MR_AmbAidMultiple; /* MR11 */

extern int MR_AmbAidDepth; /* MR11 */

extern int MR_skipped_e3_report; /* MR11 */

extern int MR_matched_AmbAidRule; /* MR11 */

extern int MR_Inhibit_Tokens_h_Gen; /* MR13 */

extern int NewAST; /* MR13 */

extern int tmakeInParser; /* MR23 */

extern int AlphaBetaTrace; /* MR14 */

extern int MR_BlkErr; /* MR21 */

extern int MR_AlphaBetaWarning; /* MR14 */

extern int MR_AlphaBetaMessageCount; /* MR14 */

extern int MR_MaintainBackTrace; /* MR14 */

extern int MR_BadExprSets; /* MR13 */

extern int FoundGuessBlk;

extern int FoundException;

extern int FoundAtOperator; /* MR6 */

extern int FoundExceptionGroup; /* MR6 */

extern int WarningLevel;

extern int UseStdout; /* MR6 */

extern int TabWidth; /* MR6 */

extern int pLevel;

extern int pAlt1;

extern int pAlt2;

extern int AImode;

extern int HoistPredicateContext;

extern int MRhoisting; /* MR9 */

extern int MRhoistingk; /* MR13 */

extern int MR_debugGenRule; /* MR11 */

extern int GenCC;

extern char *ParserName;

extern char *StandardSymbols[];

extern char *ASTSymbols[];

extern set reserved_positions;

extern set all_tokens;

extern set imag_tokens;

extern set tokclasses;

extern ListNode *ForcedTokens;

extern int *TokenInd;

extern FILE *Parser_h, *Parser_c;

extern char CurrentClassName[];

extern int no_classes_found;

extern char Parser_h_Name[];

extern char Parser_c_Name[];

extern char MRinfoFile_Name[]; /* MR10 */

extern FILE *MRinfoFile; /* MR10 */

extern int MRinfo; /* MR10 */

extern int MRinfoSeq; /* MR10 */

extern int InfoP; /* MR10 */

extern int InfoT; /* MR10 */

extern int InfoF; /* MR10 */

extern int InfoM; /* MR10 */

extern int InfoO; /* MR12 */

extern int PotentialSuppression; /* MR10 */

extern int PotentialDummy; /* MR10 */

extern int TnodesInUse; /* MR10 */

extern int TnodesPeak; /* MR10 */

extern int TnodesReportThreshold; /* MR11 */

extern int TnodesAllocated; /* MR10 */

extern char *ClassDeclStuff; /* MR10 */

extern char *BaseClassName; /* MR22 */

extern ListNode *class_before_actions, *class_after_actions;

extern char *UserTokenDefsFile;

extern int UserDefdTokens;

extern ListNode *MetaTokenNodes;

extern char *OutputDirectory;

extern int DontCopyTokens;

extern int LTinTokenAction; /* MR23 */

extern set AST_nodes_refd_in_actions;

extern ListNode *CurExGroups;

extern int CurBlockID;

extern int CurAltNum;

extern Junction *CurAltStart;

extern Junction *OuterAltStart; /* chain exception groups MR7 */

extern ExceptionGroup *DefaultExGroup;

extern int NumSignals;

extern int ContextGuardTRAV;

extern Junction *MR_RuleBlkWithHalt; /* MR10 */

extern PointerStack MR_BackTraceStack; /* MR10 */

extern PointerStack MR_PredRuleRefStack; /* MR10 */

extern PointerStack MR_RuleBlkWithHaltStack; /* MR10 */

extern int tokenActionActive; /* MR1 */

extern char *PRED_OR_LIST; /* MR10 */

extern char *PRED_AND_LIST; /* MR10 */

#ifdef __VMS

#define STRICMP strcasecmp /* MR21 */

#else

#define STRICMP stricmp /* MR21 */

#endif

#ifdef PCCTS_USE_STDARG

extern Tree *tmake(Tree *root, ...);

#else

extern Tree *tmake();

#endif

#ifdef __USE_PROTOS

extern int STRICMP(const char*, const char*);

extern void istackreset(void);

extern int istacksize(void);

extern void pushint(int);

extern int popint( void );

extern int istackempty( void );

extern int topint( void );

extern void NewSetWd( void );

extern void DumpSetWd( void );

extern void DumpSetWdForC( void );

extern void DumpSetWdForCC( void );

extern void NewSet( void );

extern void FillSet( set );

extern void ComputeErrorSets( void );

extern void ComputeTokSets( void );

extern void SubstErrorClass( set * );

extern int DefErrSet( set *, int, char * );

extern int DefErrSetForC( set *, int, char * );

extern int DefErrSetForCC( set *, int, char * );

extern int DefErrSet1(int, set *, int, char *); /* MR21 */

extern int DefErrSetForC1(int, set *, int, char *, const char* ); /* MR21 */

extern int DefErrSetForCC1(int, set *, int, char *, const char* ); /* MR21 */

extern int DefErrSetWithSuffix(int, set *, int, char *, const char *); /* MR21 */

extern void GenErrHdr( void );

extern void dumpExpr( FILE *, char * );

extern void addParm( Node *, char * );

extern Graph buildAction( char *, int, int, int );

extern Graph buildToken( char * );

extern Graph buildWildCard( char * );

extern Graph buildRuleRef( char * );

extern Graph Or( Graph, Graph );

extern Graph Cat( Graph, Graph );

extern Graph makeOpt( Graph, int, char *);

extern Graph makeBlk( Graph, int, char *);

extern Graph makeLoop( Graph, int, char *);

extern Graph makePlus( Graph, int, char *);

extern Graph emptyAlt( void );

extern Graph emptyAlt3( void );

extern TokNode * newTokNode( void );

extern RuleRefNode * newRNode( void );

extern Junction * newJunction( void );

extern ActionNode * newActionNode( void );

extern char * makelocks( void );

extern void preorder( Tree * );

extern Tree * tnode( int );

extern void _Tfree( Tree * );

extern Tree * tdup( Tree * );

extern int is_single_tuple( Tree * );

extern Tree * tappend( Tree *, Tree * );

extern void Tfree( Tree * );

extern Tree * tlink( Tree *, Tree *, int );

extern Tree * tshrink( Tree * );

extern Tree * tflatten( Tree * );

extern Tree * tJunc( Junction *, int, set * );

extern Tree * tRuleRef( RuleRefNode *, int, set * );

extern Tree * tToken( TokNode *, int, set * );

extern Tree * tAction( ActionNode *, int, set * );

extern int tmember( Tree *, Tree * );

extern int tmember_constrained( Tree *, Tree * );

extern Tree * tleft_factor( Tree * );

extern Tree * trm_perm( Tree *, Tree * );

extern void tcvt( set *, Tree * );

extern Tree * permute( int, int );

extern Tree * VerifyAmbig( Junction *, Junction *, unsigned **, set *, Tree **, Tree **, int * );

extern set rJunc( Junction *, int, set * );

extern set rRuleRef( RuleRefNode *, int, set * );

extern set rToken( TokNode *, int, set * );

extern set rAction( ActionNode *, int, set * );

extern void HandleAmbiguity( Junction *, Junction *, Junction *, int );

extern set First( Junction *, int, int, int * );

extern void freeBlkFsets( Junction * );

extern void genAction( ActionNode * );

extern void genRuleRef( RuleRefNode * );

extern void genToken( TokNode * );

extern void genOptBlk( Junction * );

extern void genLoopBlk( Junction *, Junction *, Junction *, int );

extern void genLoopBegin( Junction * );

extern void genPlusBlk( Junction * );

extern void genSubBlk( Junction * );

extern void genRule( Junction * );

extern void genJunction( Junction * );

extern void genEndBlk( Junction * );

extern void genEndRule( Junction * );

extern void genHdr( int );

extern void genHdr1( int );

extern void dumpAction( char *, FILE *, int, int, int, int );

extern void dumpActionPlus(ActionNode*, char *, FILE *, int, int, int, int ); /* MR21 */

extern Entry ** newHashTable( void );

extern Entry * hash_add( Entry **, char *, Entry * );

extern Entry * hash_get( Entry **, char * );

extern void hashStat( Entry ** );

extern char * mystrdup( char * );

extern void genLexDescr( void );

extern void dumpLexClasses( FILE * );

extern void genDefFile( void );

extern void DumpListOfParmNames( char *, FILE *, int ); /* MR5 janm 26-May-97 */

extern int DumpNextNameInDef( char **, FILE * );

extern void DumpOldStyleParms( char *, FILE * );

extern void DumpType( char *, FILE * );

extern int strmember( char *, char * );

extern void DumpRetValStruct( FILE *, char *, int );

extern char * StripQuotes( char * );

extern int main( int, char *[] );

extern void readDescr( void );

extern FILE * NextFile( void );

extern char * outnameX( char *, char *);

extern char * outname( char * );

extern void fatalFL( char *, char *, int );

extern void fatal_intern( char *, char *, int );

extern void cleanUp( void );

extern char * eMsg3( char *, char *, char *, char * );

extern char * eMsgd( char *, int );

extern char * eMsgd2( char *, int, int );

extern void s_fprT( FILE *, set );

extern char * TerminalString( int );

extern void lexclass( char * );

extern void lexmode( int );

extern int LexClassIndex( char * );

extern int hasAction( char * );

extern void setHasAction( char *, char * );

extern int addTname( char * );

extern int addTexpr( char * );

extern int Tnum( char * );

extern void Tklink( char *, char * );

extern Entry * newEntry( char *, int );

extern void list_add( ListNode **, void * );

extern void list_free( ListNode **, int freeData ); /* MR10 */

extern void list_apply( ListNode *, void (*)(void *) );

extern int list_search_cstring (ListNode *, char *); /* MR27 */

extern char * Fkey( char *, int, int );

extern void FoPush( char *, int );

extern void FoPop( int );

extern void RegisterCycle( char *, int );

extern void ResolveFoCycles( int );

extern void pJunc( Junction * );

extern void pRuleRef( RuleRefNode * );

extern void pToken( TokNode * );

extern void pAction( ActionNode * );

extern void FoLink( Node * );

extern void addFoLink( Node *, char *, Junction * );

extern void GenCrossRef( Junction * );

extern void defErr( char *, long, long, long, long, long, long );

extern void genStdPCCTSIncludeFile(FILE *,char *); /* MR10 */

extern char * pcctsBaseName(char *); /* MR32 */

extern Predicate *find_predicates(Node *); /* MR10 */

extern Predicate *MR_find_predicates_and_supp(Node *); /* MR13 */

extern int predicateLookaheadDepth(ActionNode *); /* MR10 */

extern void predicate_free(Predicate *); /* MR10 */

extern Predicate * predicate_dup(Predicate *); /* MR10 */

extern Predicate * predicate_dup_without_context(Predicate *); /* MR11 */

extern void GenRulePrototypes(FILE *, Junction *);

extern Junction *first_item_is_guess_block(Junction *);

extern Junction *first_item_is_guess_block_extra(Junction * q); /* MR30 */

extern Junction *analysis_point(Junction *);

extern Tree *make_tree_from_sets(set *, set *);

extern Tree *tdup_chain(Tree *);

extern Tree *tdif(Tree *, Predicate *, set *, set *);

extern set covered_set(Predicate *);

extern void AmbiguityDialog(Junction *, int, Junction *, Junction *, int *, int *);

extern void dumpAmbigMsg(set *, FILE *, int);

extern void GenRuleFuncRedefs(FILE *, Junction *);

extern void GenPredefinedSymbolRedefs(FILE *);

extern void GenASTSymbolRedefs(FILE *);

extern void GenRemapFile(void);

extern void GenSetRedefs(FILE *);

extern ForcedToken *newForcedToken(char *, int);

extern void RemapForcedTokens(void);

extern char *TokenOrExpr(int);

extern void setUpperRange(TokNode *, char *);

extern void GenParser_c_Hdr(void);

extern void GenParser_h_Hdr(void);

extern void GenRuleMemberDeclarationsForCC(FILE *, Junction *);

extern int addForcedTname( char *, int );

extern char *OutMetaName(char *);

extern void OutFirstSetSymbol(Junction *q, char *); /* MR21 */

extern void warnNoFL(char *err);

extern void warnFL(char *err,char *f,int l);

extern void warn(char *err);

extern void warnNoCR( char *err );

extern void errNoFL(char *err);

extern void errFL(char *err,char *f,int l);

extern void err(char *err);

extern void errNoCR( char *err );

extern void genPredTree( Predicate *p, Node *j, int ,int);

extern UserAction *newUserAction(char *);

extern char *gate_symbol(char *name);

extern char *makeAltID(int blockid, int altnum);

extern void DumpRemainingTokSets(void);

extern void DumpANSIFunctionArgDef(FILE *f, Junction *q, int bInit); /* MR23 */

extern void DumpFormals(FILE *, char *, int bInit); /* MR23 */

extern char* hideDefaultArgs(const char* pdecl); /* MR22 VHS */

extern Predicate *computePredFromContextGuard(Graph,int *msgDone); /* MR21 */

extern void recomputeContextGuard(Predicate *); /* MR13 */

extern Predicate *new_pred(void);

extern void chkGTFlag(void);

extern void leAdd(LabelEntry *); /* MR7 */

extern void leFixup(void); /* MR7 */

extern void egAdd(ExceptionGroup *); /* MR7 */

extern void egFixup(void); /* MR7 */

extern void altAdd(Junction *); /* MR7 */

extern void altFixup(void); /* MR7 */

extern Predicate * MR_find_in_aSubBlk(Junction *alt); /* MR10 */

extern Predicate * MR_predFlatten(Predicate *p); /* MR10 */

extern Predicate * MR_predSimplifyALL(Predicate *p); /* MR10 */

extern Predicate * MR_predSimplifyALLX(Predicate *p,int skipPass3); /* MR10 */

extern int MR_allPredLeaves(Predicate *p); /* MR10 */

extern void MR_cleanup_pred_trees(Predicate *p); /* MR10 */

extern int MR_predicate_context_completed(Predicate *p); /* MR10 */

extern void MR_check_pred_too_long(Predicate *p,set completion); /* MR10 */

extern Tree * MR_remove_epsilon_from_tree(Tree *t); /* MR10 */

extern Tree * MR_computeTreeAND(Tree *l,Tree *r); /* MR10 */

extern int MR_tree_equ(Tree *big, Tree *small); /* MR10 */

extern set MR_First(int ck,Junction *j,set *incomplete); /* MR10 */

extern set MR_compute_pred_set(Predicate *p); /* MR10 */

extern Tree * MR_compute_pred_tree_context(Predicate *p); /* MR10 */

extern int MR_pointerStackPush(PointerStack *,void *); /* MR10 */

extern void * MR_pointerStackPop(PointerStack *); /* MR10 */

extern void * MR_pointerStackTop(PointerStack *); /* MR10 */

extern void MR_pointerStackReset(PointerStack *); /* MR10 */

extern void MR_backTraceReport(void); /* MR10 */

extern void MR_alphaBetaTraceReport(void); /* MR14 */

extern void MR_dumpRuleSet(set); /* MR14 */

extern void MR_predContextPresent(Predicate *p,int *,int *); /* MR10 */

extern void MR_dumpPred(Predicate *p,int withContext); /* MR10 */

extern void MR_dumpPred1(int,Predicate *p,int withContext); /* MR10 */

extern void MR_xxxIndent(FILE *f,int depth); /* MR11 */

extern void MR_outputIndent(int depth); /* MR11 */

extern void MR_stderrIndent(int depth); /* MR11 */

extern Junction * MR_ruleReferenced(RuleRefNode *rrn); /* MR10 */

extern Junction * MR_nameToRuleBlk(char *); /* MR10 */

extern void MR_releaseResourcesUsedInRule(Node *); /* MR10 */

extern void MR_dumpTreeX(int depth,Tree *t,int across); /* MR10 */

extern void MR_dumpTreeF(FILE *f,int depth,Tree *t,int across); /* MR10 */

extern void DumpFcache(void); /* MR10 */

extern void MR_dumpTokenSet(FILE *f,int depth,set s); /* MR10 */

extern void MR_traceAmbSource(set *,Junction *,Junction *); /* MR11 */

extern void MR_traceAmbSourceK(Tree *,Junction *a1,Junction *a2); /* MR11 */

extern void MR_traceAmbSourceKclient(void); /* MR20 */

extern Node *MR_advance(Node *); /* MR11 */

extern int MR_offsetFromRule(Node *); /* MR11 */

extern char *MR_ruleNamePlusOffset(Node *); /* MR11 */

extern int MR_max_height_of_tree(Tree *); /* MR11 */

extern int MR_all_leaves_same_height(Tree *,int); /* MR11 */

extern void MR_projectTreeOntoSet(Tree *t,int k,set *); /* MR11 */

extern Tree *MR_make_tree_from_set(set); /* MR11 */

extern Predicate *MR_removeRedundantPredPass3(Predicate *); /* MR11 */

extern void MR_pred_depth(Predicate *,int *); /* MR11 */

extern int MR_comparePredicates(Predicate *,Predicate *); /* MR11 */

extern Predicate * MR_unfold(Predicate *); /* MR11 */

extern void MR_simplifyInverted(Predicate *,int); /* MR11 */

extern int MR_secondPredicateUnreachable /* MR11 */

(Predicate *first,Predicate *second); /* MR11 */

extern void MR_clearPredEntry(Predicate *); /* MR11 */

extern void MR_orphanRules(FILE *); /* MR12 */

extern void MR_merge_contexts(Tree *); /* MR12 */

extern int ci_strequ(char *,char *); /* MR12 */

extern void MR_guardPred_plainSet(ActionNode *anode,Predicate *); /* MR12c */

extern void MR_suppressSearchReport(void); /* MR12c */

extern Predicate * MR_suppressK(Node *,Predicate *); /* MR13 */

extern void MR_backTraceDumpItem(FILE *,int skip,Node *n); /* MR13 */

extern void MR_backTraceDumpItemReset(void); /* MR13 */

extern Junction * MR_junctionWithoutP2(Junction *); /* MR13 */

extern void MR_setConstrainPointer(set *); /* MR18 */

extern void BlockPreambleOption(Junction *q, char * pSymbol); /* MR23 */

extern char* getInitializer(char *); /* MR23 */

extern char *endFormal(char *pStart, /* MR23 */

char **ppDataType, /* MR23 */

char **ppSymbol, /* MR23 */

char **ppEqualSign, /* MR23 */

char **ppValue, /* MR23 */

char **ppSeparator, /* MR23 */

int *pNext); /* MR23 */

extern char *strBetween(char *pStart, /* MR23 */

char *pNext, /* MR23 */

char *pStop); /* MR23 */

extern int hasMultipleOperands(char *); /* MR23 */

extern void DumpInitializers(FILE*, RuleEntry*, char*); /* MR23 */

extern int isTermEntryTokClass(TermEntry *); /* MR23 */

extern int isEmptyAlt(Node *, Node *); /* MR23 */

#else

extern int STRICMP();

extern void istackreset();

extern int istacksize();

extern void pushint();

extern int popint();

extern int istackempty();

extern int topint();

extern void NewSetWd();

extern void DumpSetWd();

extern void DumpSetWdForC();

extern void DumpSetWdForCC();

extern void NewSet();

extern void FillSet();

extern void ComputeErrorSets();

extern void ComputeTokSets();

extern void SubstErrorClass();

extern int DefErrSet();

extern int DefErrSetForC();

extern int DefErrSetForCC();

extern int DefErrSet1();

extern int DefErrSetForC1();

extern int DefErrSetForCC1();

extern int DefErrSetWithSuffix(); /* MR21 */

extern void GenErrHdr();

extern void dumpExpr();

extern void addParm();

extern Graph buildAction();

extern Graph buildToken();

extern Graph buildWildCard();

extern Graph buildRuleRef();

extern Graph Or();

extern Graph Cat();

extern Graph makeOpt();

extern Graph makeBlk();

extern Graph makeLoop();

extern Graph makePlus();

extern Graph emptyAlt();

extern Graph emptyAlt3();

extern TokNode * newTokNode();

extern RuleRefNode * newRNode();

extern Junction * newJunction();

extern ActionNode * newActionNode();

extern char * makelocks();

extern void preorder();

extern Tree * tnode();

extern void _Tfree();

extern Tree * tdup();

extern int is_single_tuple();

extern Tree * tappend();

extern void Tfree();

extern Tree * tlink();

extern Tree * tshrink();

extern Tree * tflatten();

extern Tree * tJunc();

extern Tree * tRuleRef();

extern Tree * tToken();

extern Tree * tAction();

extern int tmember();

extern int tmember_constrained();

extern Tree * tleft_factor();

extern Tree * trm_perm();

extern void tcvt();

extern Tree * permute();

extern Tree * VerifyAmbig();

extern set rJunc();

extern set rRuleRef();

extern set rToken();

extern set rAction();

extern void HandleAmbiguity();

extern set First();

extern void freeBlkFsets();

extern void genAction();

extern void genRuleRef();

extern void genToken();

extern void genOptBlk();

extern void genLoopBlk();

extern void genLoopBegin();

extern void genPlusBlk();

extern void genSubBlk();

extern void genRule();

extern void genJunction();

extern void genEndBlk();

extern void genEndRule();

extern void genHdr();

extern void genHdr1();

extern void dumpAction();

extern void dumpActionPlus(); /* MR21 */

extern Entry ** newHashTable();

extern Entry * hash_add();

extern Entry * hash_get();

extern void hashStat();

extern char * mystrdup();

extern void genLexDescr();

extern void dumpLexClasses();

extern void genDefFile();

extern void DumpListOfParmNames(); /* MR5 janm 26-May-97 */

extern int DumpNextNameInDef();

extern void DumpOldStyleParms();

extern void DumpType();

extern int strmember();

extern void DumpRetValStruct();

extern char * StripQuotes();

extern int main();

extern void readDescr();

extern FILE * NextFile();

extern char * outnameX();

extern char * outname();

extern void fatalFL();

extern void fatal_intern();

extern void cleanUp();

extern char * eMsg3();

extern char * eMsgd();

extern char * eMsgd2();

extern void s_fprT();

extern char * TerminalString();

extern void lexclass();

extern void lexmode();

extern int LexClassIndex();

extern int hasAction();

extern void setHasAction();

extern int addTname();

extern int addTexpr();

extern int Tnum();

extern void Tklink();

extern Entry * newEntry();

extern void list_add();

extern void list_free(); /* MR10 */

extern void list_apply();

extern int list_search_cstring (); /* MR27 */

extern char * Fkey();

extern void FoPush();

extern void FoPop();

extern void RegisterCycle();

extern void ResolveFoCycles();

extern void pJunc();

extern void pRuleRef();

extern void pToken();

extern void pAction();

extern void FoLink();

extern void addFoLink();

extern void GenCrossRef();

extern void defErr();

extern void genStdPCCTSIncludeFile();

extern char * pcctsBaseName(); /* MR32 */

extern Predicate *find_predicates();

extern Predicate *MR_find_predicates_and_supp(); /* MR13 */

extern int predicateLookaheadDepth(); /* MR10 */

extern void predicate_free(); /* MR10 */

extern Predicate * predicate_dup(); /* MR10 */

extern Predicate * predicate_dup_without_context(); /* MR11 */

extern void GenRulePrototypes();

extern Junction *first_item_is_guess_block();

extern Junction *first_item_is_guess_block_extra(); /* MR30 */

extern Junction *analysis_point();

extern Tree *make_tree_from_sets();

extern Tree *tdup_chain();

extern Tree *tdif();

extern set covered_set();

extern void AmbiguityDialog();

extern void dumpAmbigMsg();

extern void GenRuleFuncRedefs();

extern void GenPredefinedSymbolRedefs();

extern void GenASTSymbolRedefs();

extern void GenRemapFile();

extern void GenSetRedefs();

extern ForcedToken *newForcedToken();

extern void RemapForcedTokens();

extern char *TokenOrExpr();

extern void setUpperRange();

extern void GenParser_c_Hdr();

extern void GenParser_h_Hdr();

extern void GenRuleMemberDeclarationsForCC();

extern int addForcedTname();

extern char *OutMetaName();

extern void OutFirstSetSymbol(); /* MR21 */

extern void warnNoFL();

extern void warnFL();

extern void warn();

extern void warnNoCR();

extern void errNoFL();

extern void errFL();

extern void err();

extern void errNoCR();

extern void genPredTree();

extern UserAction *newUserAction();

extern char *gate_symbol();

extern char *makeAltID();

extern void DumpRemainingTokSets();

extern void DumpANSIFunctionArgDef();

extern void DumpFormals(); /* MR23 */

extern char* hideDefaultArgs(); /* MR22 VHS */

extern Predicate *computePredFromContextGuard();

extern void recomputeContextGuard(); /* MR13 */

extern Predicate *new_pred();

extern void chkGTFlag();

extern void leAdd(); /* MR7 */

extern void leFixup(); /* MR7 */

extern void egAdd(); /* MR7 */

extern void egFixup(); /* MR7 */

extern void altAdd(); /* MR7 */

extern void altFixup(); /* MR7 */

extern Predicate * MR_find_in_aSubBlk(); /* MR10 */

extern Predicate * MR_predFlatten(); /* MR10 */

extern Predicate * MR_predSimplifyALL(); /* MR10 */

extern Predicate * MR_predSimplifyALLX(); /* MR10 */

extern void MR_cleanup_pred_trees(); /* MR10 */

extern int MR_allPredLeaves(); /* MR10 */

extern int MR_predicate_context_completed(); /* MR10 */

extern void MR_check_pred_too_long(); /* MR10 */

extern Tree * MR_remove_epsilon_from_tree(); /* MR10 */

extern Tree * MR_computeTreeAND(); /* MR10 */

extern int MR_tree_equ(); /* MR10 */

extern set MR_First(); /* MR10 */

extern set MR_compute_pred_set(); /* MR10 */

extern Tree * MR_compute_pred_tree_context(); /* MR10 */

extern int MR_pointerStackPush(); /* MR10 */

extern void * MR_pointerStackPop(); /* MR10 */

extern void * MR_pointerStackTop(); /* MR10 */

extern void MR_pointerStackReset(); /* MR10 */

extern void MR_backTraceReport(); /* MR10 */

extern void MR_alphaBetaTraceReport(); /* MR14 */

extern void MR_dumpRuleSet(); /* MR14 */

extern void MR_predContextPresent(); /* MR10 */

extern void MR_dumpPred(); /* MR10 */

extern void MR_dumpPred1(); /* MR10 */

extern void MR_xxxIndent(); /* MR11 */

extern void MR_stderrIndent(); /* MR11 */

extern void MR_outputIndent(); /* MR11 */

extern Junction * MR_ruleReferenced(); /* MR10 */

extern void MR_releaseResourcesUsedInRule(); /* MR10 */

extern void MR_dumpTreeX(); /* MR10 */

extern void MR_dumpTreeF(); /* MR10 */

extern void DumpFcache(); /* MR10 */

extern void MR_dumpTokenSet(); /* MR10 */

extern void MR_traceAmbSource(); /* MR11 */

extern Node *MR_advance(); /* MR11 */

extern int MR_offsetFromRule(); /* MR11 */

extern char *MR_ruleNamePlusOffset(); /* MR11 */

extern void MR_traceAmbSourceK(); /* MR11 */

extern void MR_traceAmbSourceKclient(); /* [i_a] added */

extern int MR_max_height_of_tree(); /* MR11 */

extern int MR_all_leaves_same_height(); /* MR11 */

extern void MR_projectTreeOntoSet(); /* MR11 */

extern Tree *MR_make_tree_from_set(); /* MR11 */

extern Predicate *MR_removeRedundantPredPass3(); /* MR11 */

extern void MR_pred_depth(); /* MR11 */

extern int MR_comparePredicates(); /* MR11 */

extern Predicate * MR_unfold(); /* MR11 */

extern void MR_simplifyInverted(); /* MR11 */

extern int MR_secondPredicateUnreachable(); /* MR11 */

extern Junction * MR_nameToRuleBlk(); /* MR10 */

extern void MR_clearPredEntry(); /* MR11 */

extern void MR_orphanRules(); /* MR12 */

extern void MR_merge_contexts(); /* MR12 */

extern int ci_strequ(); /* MR12 */

extern void MR_guardPred_plainSet(); /* MR12c */

extern void MR_suppressSearchReport(); /* MR12c */

extern Predicate * MR_suppressK(); /* MR13 */

extern void MR_backTraceDumpItem(); /* MR13 */

extern void MR_backTraceDumpItemReset(); /* MR13 */

extern Junction * MR_junctionWithoutP2(); /* MR13 */

extern void MR_setConstrainPointer(); /* MR18 */

extern void BlockPreambleOption(); /* MR23 */

extern char* getInitializer(); /* MR23 */

extern int hasMultipleOperands(); /* MR23 */

extern char *endFormal(); /* MR23 */

extern char *strBetween(); /* MR23 */

extern void DumpInitializers(); /* MR23 */

extern int isTermEntryTokClass(); /* MR23 */

extern int isEmptyAlt();

#endif

#ifdef __USE_PROTOS

#include <stdlib.h>

#endif

extern set attribsRefdFromAction;

extern int inAlt;

extern int UsedOldStyleAttrib;

extern int UsedNewStyleLabel;

#define MAX_BLK_LEVEL 100 /* MR23 */

extern int CurBlockID_array[MAX_BLK_LEVEL]; /* MR23 */

extern int CurAltNum_array[MAX_BLK_LEVEL]; /* MR23 */