--- /dev/null
+/*
+ * A n t l r T r a n s l a t i o n H e a d e r
+ *
+ * Terence Parr, Will Cohen, and Hank Dietz: 1989-1994
+ * Purdue University Electrical Engineering
+ * With AHPCRC, University of Minnesota
+ * ANTLR Version 1.32
+ */
+#include <stdio.h>
+#define ANTLR_VERSION 132
+
+#ifdef __cplusplus
+#ifndef __STDC__
+#define __STDC__
+#endif
+#endif
+#include "set.h"
+#include <ctype.h>
+#include "syn.h"
+#include "hash.h"
+#include "generic.h"
+#define zzcr_attr(attr,tok,t)
+#define zzSET_SIZE 20
+#include "antlr.h"
+#include "tokens.h"
+#include "dlgdef.h"
+#include "mode.h"
+#ifndef PURIFY
+#define PURIFY(r,s)
+#endif
+ANTLR_INFO
+
+#ifdef __STDC__
+static void chkToken(char *, char *, char *, int);
+#else
+static void chkToken();
+#endif
+
+static int class_nest_level = 0;
+extern int inAlt;
+extern set attribsRefdFromAction;
+extern int UsedOldStyleAttrib;
+extern int UsedNewStyleLabel;
+
+void
+#ifdef __STDC__
+grammar(void)
+#else
+grammar()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ Graph g;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( 1 ) {
+ if ( !((setwd1[LA(1)]&0x1))) break;
+ if ( (LA(1)==88) ) {
+ zzmatch(88); zzCONSUME;
+ zzmatch(Action);
+
+ if ( HdrAction==NULL ) {
+ HdrAction = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(HdrAction!=NULL, "rule grammar: cannot allocate header action");
+ strcpy(HdrAction, LATEXT(1));
+ }
+ else warn("additional #header statement ignored");
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==89) ) {
+ zzmatch(89); zzCONSUME;
+ zzmatch(QuotedTerm);
+
+ if ( GenCC ) {
+ warn("#parser meta-op incompatible with -CC; ignored");
+ }
+ else {
+ if ( strcmp(ParserName,"zzparser")==0 ) {
+ ParserName=StripQuotes(mystrdup(LATEXT(1)));
+ if ( RulePrefix[0]!='\0' )
+ {
+ warn("#parser meta-op incompatible with '-gp prefix'; '-gp' ignored");
+ RulePrefix[0]='\0';
+ }
+ }
+ else warn("additional #parser statement ignored");
+ }
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==90) ) {
+ zzmatch(90); zzCONSUME;
+ zzmatch(QuotedTerm);
+ {
+ char *fname;
+ zzantlr_state st; FILE *f; struct zzdlg_state dst;
+ UserTokenDefsFile = mystrdup(LATEXT(1));
+ zzsave_antlr_state(&st);
+ zzsave_dlg_state(&dst);
+ fname = mystrdup(LATEXT(1));
+ f = fopen(StripQuotes(fname), "r");
+ if ( f==NULL ) {warn(eMsg1("cannot open token defs file '%s'", fname+1));}
+ else {
+ ANTLRm(enum_file(fname+1), f, PARSE_ENUM_FILE);
+ UserDefdTokens = 1;
+ }
+ zzrestore_antlr_state(&st);
+ zzrestore_dlg_state(&dst);
+ }
+ zzCONSUME;
+
+ }
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( 1 ) {
+ if ( !((setwd1[LA(1)]&0x2))) break;
+ if ( (LA(1)==Action) ) {
+ zzmatch(Action);
+ {
+ UserAction *ua = newUserAction(LATEXT(1));
+ ua->file = action_file; ua->line = action_line;
+ if ( class_nest_level>0 ) list_add(&class_before_actions, ua);
+ else list_add(&BeforeActions, ua);
+ }
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==101) ) {
+ laction();
+ }
+ else {
+ if ( (LA(1)==102) ) {
+ aLexclass();
+ }
+ else {
+ if ( (LA(1)==105) ) {
+ token();
+ }
+ else {
+ if ( (LA(1)==103) ) {
+ error();
+ }
+ else {
+ if ( (LA(1)==104) ) {
+ tclass();
+ }
+ else {
+ if ( (LA(1)==122) ) {
+ default_exception_handler();
+ }
+ else {
+ if ( (LA(1)==92) ) {
+ class_def();
+ }
+ else {
+ if ( (LA(1)==91) ) {
+ zzmatch(91);
+
+ if ( class_nest_level==0 )
+ warn("missing class definition for trailing '}'");
+ class_nest_level--;
+ zzCONSUME;
+
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ rule();
+ g=zzaArg(zztasp1,3); SynDiag = (Junction *) zzaArg(zztasp1,3 ).left;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( 1 ) {
+ if ( !((setwd1[LA(1)]&0x4))) break;
+ if ( (LA(1)==NonTerminal) ) {
+ rule();
+ if ( zzaArg(zztasp2,1 ).left!=NULL ) {g.right = NULL; g = Or(g, zzaArg(zztasp2,1));}
+ }
+ else {
+ if ( (LA(1)==102) ) {
+ aLexclass();
+ }
+ else {
+ if ( (LA(1)==105) ) {
+ token();
+ }
+ else {
+ if ( (LA(1)==103) ) {
+ error();
+ }
+ else {
+ if ( (LA(1)==104) ) {
+ tclass();
+ }
+ else {
+ if ( (LA(1)==92) ) {
+ class_def();
+ }
+ else {
+ if ( (LA(1)==91) ) {
+ zzmatch(91);
+
+ if ( class_nest_level==0 )
+ warn("missing class definition for trailing '}'");
+ class_nest_level--;
+ zzCONSUME;
+
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( 1 ) {
+ if ( !((setwd1[LA(1)]&0x8))) break;
+ if ( (LA(1)==Action) ) {
+ zzmatch(Action);
+ {
+ UserAction *ua = newUserAction(LATEXT(1));
+ ua->file = action_file; ua->line = action_line;
+ if ( class_nest_level>0 ) list_add(&class_after_actions, ua);
+ else list_add(&AfterActions, ua);
+ }
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==101) ) {
+ laction();
+ }
+ else {
+ if ( (LA(1)==103) ) {
+ error();
+ }
+ else {
+ if ( (LA(1)==104) ) {
+ tclass();
+ }
+ else {
+ if ( (LA(1)==92) ) {
+ class_def();
+ }
+ else {
+ if ( (LA(1)==91) ) {
+ zzmatch(91);
+
+ if ( class_nest_level==0 )
+ warn("missing class definition for trailing '}'");
+ class_nest_level--;
+ zzCONSUME;
+
+ }
+ }
+ }
+ }
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzmatch(Eof); zzCONSUME;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd1, 0x10);
+ }
+}
+
+void
+#ifdef __STDC__
+class_def(void)
+#else
+class_def()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ int go=1; char name[MaxRuleName+1];
+ zzmatch(92); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==NonTerminal) ) {
+ zzmatch(NonTerminal);
+ if(go) strncpy(name,LATEXT(1),MaxRuleName);
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if(go) strncpy(name,LATEXT(1),MaxRuleName);
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr1,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+
+ if ( CurrentClassName[0]!='\0' && strcmp(CurrentClassName,name)!=0
+ && GenCC ) {
+ err("only one grammar class allowed in this release");
+ go = 0;
+ }
+ else strcpy(CurrentClassName, name);
+ if ( !GenCC ) { err("class meta-op used without C++ option"); }
+ zzmatch(95);
+
+ no_classes_found = 0;
+ if ( class_nest_level>=1 ) {warn("cannot have nested classes");}
+ else class_nest_level++;
+ zzCONSUME;
+
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd1, 0x20);
+ }
+}
+
+void
+#ifdef __STDC__
+rule(void)
+#else
+rule()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+
+ ListNode *ex_groups = NULL;
+ ExceptionGroup *eg;
+ RuleEntry *q; Junction *p; Graph r; int f, l; ECnode *e;
+ set toksrefd, rulesrefd;
+ char *pdecl=NULL, *ret=NULL, *a; CurRetDef = CurParmDef = NULL;
+ CurExGroups = NULL;
+ CurElementLabels = NULL;
+ /* We want a new element label hash table for each rule */
+ if ( Elabel!=NULL ) killHashTable(Elabel);
+ Elabel = newHashTable();
+ attribsRefdFromAction = empty;
+ zzmatch(NonTerminal);
+ q=NULL;
+ if ( hash_get(Rname, LATEXT(1))!=NULL ) {
+ err(eMsg1("duplicate rule definition: '%s'",LATEXT(1)));
+ CannotContinue=TRUE;
+ }
+ else
+ {
+ q = (RuleEntry *)hash_add(Rname,
+ LATEXT(1),
+ (Entry *)newRuleEntry(LATEXT(1)));
+ CurRule = q->str;
+ }
+ CurRuleNode = q;
+ f = CurFile; l = zzline;
+ NumRules++;
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==96) ) {
+ zzmatch(96);
+ if ( q!=NULL ) q->noAST = TRUE;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ ;
+ if ( (setwd1[LA(1)]&0x40) ) {
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==97) ) {
+ zzmatch(97); zzCONSUME;
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ zzmatch(PassAction);
+ pdecl = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(pdecl!=NULL, "rule rule: cannot allocate param decl");
+ strcpy(pdecl, LATEXT(1));
+ CurParmDef = pdecl;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==98) ) {
+ zzmatch(98); zzCONSUME;
+ zzmatch(PassAction);
+ ret = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(ret!=NULL, "rule rule: cannot allocate ret type");
+ strcpy(ret, LATEXT(1));
+ CurRetDef = ret;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( q!=NULL ) q->egroup=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+
+ if ( GenEClasseForRules && q!=NULL ) {
+ e = newECnode;
+ require(e!=NULL, "cannot allocate error class node");
+ if ( q->egroup == NULL ) {a = q->str; a[0] = (char)toupper(a[0]);}
+ else a = q->egroup;
+ if ( Tnum( a ) == 0 )
+ {
+ e->tok = addTname( a );
+ list_add(&eclasses, (char *)e);
+ if ( q->egroup == NULL ) a[0] = (char)tolower(a[0]);
+ /* refers to itself */
+ list_add(&(e->elist), mystrdup(q->str));
+ }
+ else {
+ warn(eMsg1("default errclass for '%s' would conflict with token/errclass/tokclass",a));
+ if ( q->egroup == NULL ) a[0] = (char)tolower(a[0]);
+ free((char *)e);
+ }
+ }
+ BlkLevel++;
+ zzmatch(99);
+ inAlt=1;
+ zzCONSUME;
+
+ block( &toksrefd, &rulesrefd );
+ r = makeBlk(zzaArg(zztasp1,7),0);
+ CurRuleBlk = (Junction *)r.left;
+ CurRuleBlk->blockid = CurBlockID;
+ CurRuleBlk->jtype = RuleBlk;
+ if ( q!=NULL ) CurRuleBlk->rname = q->str;
+ CurRuleBlk->file = f;
+ CurRuleBlk->line = l;
+ CurRuleBlk->pdecl = pdecl;
+ CurRuleBlk->ret = ret;
+ CurRuleBlk->lock = makelocks();
+ CurRuleBlk->pred_lock = makelocks();
+ CurRuleBlk->tokrefs = toksrefd;
+ CurRuleBlk->rulerefs = rulesrefd;
+ p = newJunction(); /* add EndRule Node */
+ ((Junction *)r.right)->p1 = (Node *)p;
+ r.right = (Node *) p;
+ p->jtype = EndRule;
+ p->lock = makelocks();
+ p->pred_lock = makelocks();
+ CurRuleBlk->end = p;
+ if ( q!=NULL ) q->rulenum = NumRules;
+ zzaArg(zztasp1,7) = r;
+ --BlkLevel;
+ zzmatch(100);
+ inAlt=0;
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==Action) ) {
+ zzmatch(Action);
+ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule rule: cannot allocate error action");
+ strcpy(a, LATEXT(1));
+ CurRuleBlk->erraction = a;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (LA(1)==122) ) {
+ eg = exception_group();
+
+ if ( eg!=NULL ) {
+ list_add(&CurExGroups, (void *)eg);
+ if ( eg->label=='\0' ) q->has_rule_exception = 1;
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ if ( q==NULL ) zzaArg(zztasp1,0 ).left = NULL; else zzaArg(zztasp1,0) = zzaArg(zztasp1,7);
+ CurRuleNode = NULL;
+ CurRuleBlk->exceptions = CurExGroups;
+ CurRuleBlk->el_labels = CurElementLabels;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd1, 0x80);
+ }
+}
+
+void
+#ifdef __STDC__
+laction(void)
+#else
+laction()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ char *a;
+ zzmatch(101); zzCONSUME;
+ zzmatch(Action);
+
+ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule laction: cannot allocate action");
+ strcpy(a, LATEXT(1));
+ list_add(&LexActions, a);
+ zzCONSUME;
+
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x1);
+ }
+}
+
+void
+#ifdef __STDC__
+aLexclass(void)
+#else
+aLexclass()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ zzmatch(102); zzCONSUME;
+ zzmatch(TokenTerm);
+ lexclass(mystrdup(LATEXT(1)));
+ zzCONSUME;
+
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x2);
+ }
+}
+
+void
+#ifdef __STDC__
+error(void)
+#else
+error()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ char *t=NULL; ECnode *e; int go=1; TermEntry *p;
+ zzmatch(103); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ ;
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr2,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ e = newECnode;
+ require(e!=NULL, "cannot allocate error class node");
+ e->lexclass = CurrentLexClass;
+ if ( Tnum( (t=StripQuotes(t)) ) == 0 )
+ {
+ if ( hash_get(Texpr, t) != NULL )
+ warn(eMsg1("errclass name conflicts with regular expression '%s'",t));
+ e->tok = addTname( t );
+ set_orel(e->tok, &imag_tokens);
+ require((p=(TermEntry *)hash_get(Tname, t)) != NULL,
+ "hash table mechanism is broken");
+ p->classname = 1; /* entry is errclass name, not token */
+ list_add(&eclasses, (char *)e);
+ }
+ else
+ {
+ warn(eMsg1("redefinition of errclass or conflict w/token or tokclass '%s'; ignored",t));
+ free( (char *)e );
+ go=0;
+}
+ zzmatch(95); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==NonTerminal) ) {
+ zzmatch(NonTerminal);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr3,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ if ( go ) list_add(&(e->elist), t);
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (setwd2[LA(1)]&0x4) ) {
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==NonTerminal) ) {
+ zzmatch(NonTerminal);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( go ) t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr4,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ if ( go ) list_add(&(e->elist), t);
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzmatch(91); zzCONSUME;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x8);
+ }
+}
+
+void
+#ifdef __STDC__
+tclass(void)
+#else
+tclass()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ char *t=NULL; TCnode *e; int go=1,tok; TermEntry *p, *term;
+ zzmatch(104); zzCONSUME;
+ zzmatch(TokenTerm);
+ t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ e = newTCnode;
+ require(e!=NULL, "cannot allocate token class node");
+ e->lexclass = CurrentLexClass;
+ if ( Tnum( t ) == 0 )
+ {
+ e->tok = addTname( t );
+ set_orel(e->tok, &imag_tokens);
+ set_orel(e->tok, &tokclasses);
+ require((p=(TermEntry *)hash_get(Tname, t)) != NULL,
+ "hash table mechanism is broken");
+ p->classname = 1; /* entry is class name, not token */
+ p->tclass = e; /* save ptr to this tclass def */
+ list_add(&tclasses, (char *)e);
+ }
+ else
+ {
+ warn(eMsg1("redefinition of tokclass or conflict w/token '%s'; ignored",t));
+ free( (char *)e );
+ go=0;
+}
+ zzmatch(95); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (setwd2[LA(1)]&0x10) ) {
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if ( go ) {
+ term = (TermEntry *) hash_get(Tname, LATEXT(1));
+ if ( term==NULL && UserDefdTokens ) {
+ err("implicit token definition not allowed with #tokdefs");
+ go = 0;
+ }
+ else {t=mystrdup(LATEXT(1)); tok=addTname(LATEXT(1));}
+ }
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( go ) {
+ term = (TermEntry *) hash_get(Texpr, LATEXT(1));
+ if ( term==NULL && UserDefdTokens ) {
+ err("implicit token definition not allowed with #tokdefs");
+ go = 0;
+ }
+ else {t=mystrdup(LATEXT(1)); tok=addTexpr(LATEXT(1));}
+ }
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr5,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ if ( go ) list_add(&(e->tlist), t);
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzmatch(91); zzCONSUME;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x20);
+ }
+}
+
+void
+#ifdef __STDC__
+token(void)
+#else
+token()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ char *t=NULL, *e=NULL, *a=NULL; int tnum=0;
+ zzmatch(105); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ t=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==106) ) {
+ zzmatch(106); zzCONSUME;
+ zzmatch(107);
+ tnum = atoi(LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ e=mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==Action) ) {
+ zzmatch(Action);
+
+ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule token: cannot allocate action");
+ strcpy(a, LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ chkToken(t, e, a, tnum);
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x40);
+ }
+}
+
+void
+#ifdef __STDC__
+block( set *toksrefd, set *rulesrefd )
+#else
+block(toksrefd,rulesrefd)
+ set *toksrefd;
+set *rulesrefd ;
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+
+ Graph g, b;
+ set saveblah;
+ int saveinalt = inAlt;
+ ExceptionGroup *eg;
+ * toksrefd = empty;
+ * rulesrefd = empty;
+ set_clr(AST_nodes_refd_in_actions);
+ CurBlockID++;
+ CurAltNum = 1;
+ saveblah = attribsRefdFromAction;
+ attribsRefdFromAction = empty;
+ alt( toksrefd,rulesrefd );
+ b = g = zzaArg(zztasp1,1);
+
+ if ( ((Junction *)g.left)->p1->ntype == nAction )
+ {
+ if ( !((ActionNode *)(((Junction *)g.left)->p1))->is_predicate )
+ {
+ ((ActionNode *)(((Junction *)g.left)->p1))->init_action = TRUE;
+ }
+ }
+ ((Junction *)g.left)->blockid = CurBlockID;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (LA(1)==122) ) {
+ eg = exception_group();
+
+
+ if ( eg!=NULL ) {
+ eg->altID = makeAltID(CurBlockID,CurAltNum);
+ CurAltStart->exception_label = eg->altID;
+ list_add(&CurExGroups, (void *)eg);
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ CurAltNum++;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (LA(1)==108) ) {
+ zzmatch(108);
+ inAlt=1;
+ zzCONSUME;
+
+ alt( toksrefd,rulesrefd );
+ g = Or(g, zzaArg(zztasp2,2));
+
+ ((Junction *)g.left)->blockid = CurBlockID;
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ while ( (LA(1)==122) ) {
+ eg = exception_group();
+
+
+ if ( eg!=NULL ) {
+ eg->altID = makeAltID(CurBlockID,CurAltNum);
+ CurAltStart->exception_label = eg->altID;
+ list_add(&CurExGroups, (void *)eg);
+ }
+ zzLOOP(zztasp3);
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ CurAltNum++;
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzaArg(zztasp1,0) = b;
+ attribsRefdFromAction = saveblah; inAlt = saveinalt;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd2, 0x80);
+ }
+}
+
+void
+#ifdef __STDC__
+alt( set *toksrefd, set *rulesrefd )
+#else
+alt(toksrefd,rulesrefd)
+ set *toksrefd;
+set *rulesrefd ;
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ int n=0,ne=0; Graph g; int e_num=0, not=0; Node *node; set elems, dif;
+ int first_on_line = 1, use_def_MT_handler = 0;
+ g.left=NULL; g.right=NULL;
+ CurAltStart = NULL;
+ elems = empty;
+ inAlt = 1;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==84) ) {
+ zzmatch(84);
+ use_def_MT_handler = 1;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ int tok;
+ while ( (setwd3[LA(1)]&0x1) ) {
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ not=0;
+ if ( (LA(1)==109) ) {
+ zzmatch(109);
+ not=1;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ node = element( not, first_on_line, use_def_MT_handler );
+
+ if ( node!=NULL && node->ntype!=nAction ) first_on_line = 0;
+
+ if ( zzaArg(zztasp2,2 ).left!=NULL ) {
+ g = Cat(g, zzaArg(zztasp2,2));
+ n++;
+ if ( node!=NULL ) {
+ if ( node->ntype!=nAction ) e_num++;
+ /* record record number of all rule and token refs */
+ if ( node->ntype==nToken ) {
+ TokNode *tk = (TokNode *)((Junction *)zzaArg(zztasp2,2 ).left)->p1;
+ tk->elnum = e_num;
+ set_orel(e_num, &elems);
+ }
+ else if ( node->ntype==nRuleRef ) {
+ RuleRefNode *rn = (RuleRefNode *)((Junction *)zzaArg(zztasp2,2 ).left)->p1;
+ rn->elnum = e_num;
+ set_orel(e_num, rulesrefd);
+ }
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ if ( n == 0 ) g = emptyAlt();
+ zzaArg(zztasp1,0) = g;
+ /* We want to reduce number of LT(i) calls and the number of
+ * local attribute variables in C++ mode (for moment, later we'll
+ * do for C also). However, if trees are being built, they
+ * require most of the attrib variables to create the tree nodes
+ * with; therefore, we gen a token ptr for each token ref in C++
+ */
+ if ( GenCC && !GenAST )
+ {
+ /* This now free's the temp set -ATG 5/6/95 */
+ set temp;
+ temp = set_and(elems, attribsRefdFromAction);
+ set_orin( toksrefd, temp);
+ set_free(temp);
+}
+else set_orin( toksrefd, elems);
+if ( GenCC ) {
+ dif = set_dif(attribsRefdFromAction, elems);
+ if ( set_deg(dif)>0 )
+ err("one or more $i in action(s) refer to non-token elements");
+ set_free(dif);
+}
+set_free(elems);
+set_free(attribsRefdFromAction);
+inAlt = 0;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd3, 0x2);
+ }
+}
+
+ LabelEntry *
+#ifdef __STDC__
+element_label(void)
+#else
+element_label()
+#endif
+{
+ LabelEntry * _retv;
+ PURIFY(_retv,sizeof( LabelEntry * ))
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ TermEntry *t=NULL; LabelEntry *l=NULL; RuleEntry *r=NULL; char *lab;
+ zzmatch(LABEL);
+ lab = mystrdup(LATEXT(1));
+ zzCONSUME;
+
+
+ UsedNewStyleLabel = 1;
+ if ( UsedOldStyleAttrib ) err("cannot mix with new-style labels with old-style $i");
+ t = (TermEntry *) hash_get(Tname, lab);
+ if ( t==NULL ) t = (TermEntry *) hash_get(Texpr, lab);
+ if ( t==NULL ) r = (RuleEntry *) hash_get(Rname, lab);
+ if ( t!=NULL ) {
+ err(eMsg1("label definition clashes with token/tokclass definition: '%s'", lab));
+ _retv = NULL;
+ }
+ else if ( r!=NULL ) {
+ err(eMsg1("label definition clashes with rule definition: '%s'", lab));
+ _retv = NULL;
+ }
+ else {
+ /* we don't clash with anybody else */
+ l = (LabelEntry *) hash_get(Elabel, lab);
+ if ( l==NULL ) { /* ok to add new element label */
+ l = (LabelEntry *)hash_add(Elabel,
+ lab,
+ (Entry *)newLabelEntry(lab));
+ /* add to list of element labels for this rule */
+ list_add(&CurElementLabels, (void *)lab);
+ _retv = l;
+ }
+ else {
+ err(eMsg1("label definitions must be unique per rule: '%s'", lab));
+ _retv = NULL;
+}
+}
+ zzmatch(99); zzCONSUME;
+ zzEXIT(zztasp1);
+ return _retv;
+fail:
+ zzEXIT(zztasp1);
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd3, 0x4);
+ return _retv;
+ }
+}
+
+ Node *
+#ifdef __STDC__
+element( int not, int first_on_line, int use_def_MT_handler )
+#else
+element(not,first_on_line,use_def_MT_handler)
+ int not;
+int first_on_line;
+int use_def_MT_handler ;
+#endif
+{
+ Node * _retv;
+ PURIFY(_retv,sizeof( Node * ))
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+
+ Attrib blk;
+ Predicate *pred = NULL;
+ int local_use_def_MT_handler=0;
+ ActionNode *act;
+ RuleRefNode *rr;
+ set toksrefd, rulesrefd;
+ TermEntry *term;
+ TokNode *p=NULL; RuleRefNode *q; int approx=0;
+ LabelEntry *label=NULL;
+ _retv = NULL;
+ if ( (setwd3[LA(1)]&0x8) ) {
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==LABEL) ) {
+ label = element_label();
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+
+ term = (TermEntry *) hash_get(Tname, LATEXT(1));
+ if ( term==NULL && UserDefdTokens ) {
+ err("implicit token definition not allowed with #tokdefs");
+ zzaRet.left = zzaRet.right = NULL;
+ }
+ else {
+ zzaRet = buildToken(LATEXT(1));
+ p=((TokNode *)((Junction *)zzaRet.left)->p1);
+ term = (TermEntry *) hash_get(Tname, LATEXT(1));
+ require( term!= NULL, "hash table mechanism is broken");
+ p->tclass = term->tclass;
+ p->complement = not;
+ if ( label!=NULL ) {
+ p->el_label = label->str;
+ label->elem = (Node *)p;
+ }
+ }
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==110) ) {
+ zzmatch(110); zzCONSUME;
+ {
+ zzBLOCK(zztasp4);
+ zzMake0;
+ {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( p!=NULL ) setUpperRange(p, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if ( p!=NULL ) setUpperRange(p, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr6,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp4);
+ }
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+
+ if ( p!=NULL && (p->upper_range!=0 || p->tclass || not) )
+ list_add(&MetaTokenNodes, (void *)p);
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==111) ) {
+ zzmatch(111);
+ if ( p!=NULL ) p->astnode=ASTroot;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (setwd3[LA(1)]&0x10) ) {
+ if ( p!=NULL ) p->astnode=ASTchild;
+ }
+ else {
+ if ( (LA(1)==96) ) {
+ zzmatch(96);
+ if ( p!=NULL ) p->astnode=ASTexclude;
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr7,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==84) ) {
+ zzmatch(84);
+ local_use_def_MT_handler = 1;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+
+ if ( p!=NULL && first_on_line ) {
+ CurAltStart = (Junction *)zzaRet.left;
+ p->altstart = CurAltStart;
+ }
+ if ( p!=NULL )
+ p->use_def_MT_handler = use_def_MT_handler || local_use_def_MT_handler;
+ _retv = (Node *)p;
+ }
+ else {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+
+ term = (TermEntry *) hash_get(Texpr, LATEXT(1));
+ if ( term==NULL && UserDefdTokens ) {
+ err("implicit token definition not allowed with #tokdefs");
+ zzaRet.left = zzaRet.right = NULL;
+ }
+ else {
+ zzaRet = buildToken(LATEXT(1)); p=((TokNode *)((Junction *)zzaRet.left)->p1);
+ p->complement = not;
+ if ( label!=NULL ) {
+ p->el_label = label->str;
+ label->elem = (Node *)p;
+ }
+ }
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==110) ) {
+ zzmatch(110); zzCONSUME;
+ {
+ zzBLOCK(zztasp4);
+ zzMake0;
+ {
+ if ( (LA(1)==QuotedTerm) ) {
+ zzmatch(QuotedTerm);
+ if ( p!=NULL ) setUpperRange(p, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+ if ( p!=NULL ) setUpperRange(p, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr8,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp4);
+ }
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==111) ) {
+ zzmatch(111);
+ if ( p!=NULL ) p->astnode=ASTroot;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (setwd3[LA(1)]&0x20) ) {
+ if ( p!=NULL ) p->astnode=ASTchild;
+ }
+ else {
+ if ( (LA(1)==96) ) {
+ zzmatch(96);
+ if ( p!=NULL ) p->astnode=ASTexclude;
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr9,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==84) ) {
+ zzmatch(84);
+ local_use_def_MT_handler = 1;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+
+ if ( p!=NULL && (p->upper_range!=0 || p->tclass || not) )
+ list_add(&MetaTokenNodes, (void *)p);
+
+ if ( first_on_line ) {
+ CurAltStart = (Junction *)zzaRet.left;
+ p->altstart = CurAltStart;
+ }
+ if ( p!=NULL )
+ p->use_def_MT_handler = use_def_MT_handler || local_use_def_MT_handler;
+ _retv = (Node *)p;
+ }
+ else {
+ if ( (LA(1)==WildCard) ) {
+ if ( not ) warn("~ WILDCARD is an undefined operation (implies 'nothing')");
+ zzmatch(WildCard);
+ zzaRet = buildWildCard(LATEXT(1)); p=((TokNode *)((Junction *)zzaRet.left)->p1);
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==111) ) {
+ zzmatch(111);
+ p->astnode=ASTroot;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (setwd3[LA(1)]&0x40) ) {
+ p->astnode=ASTchild;
+ }
+ else {
+ if ( (LA(1)==96) ) {
+ zzmatch(96);
+ p->astnode=ASTexclude;
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr10,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ list_add(&MetaTokenNodes, (void *)p);
+
+ if ( first_on_line ) {
+ CurAltStart = (Junction *)zzaRet.left;
+ p->altstart = CurAltStart;
+ if ( label!=NULL ) {
+ p->el_label = label->str;
+ label->elem = (Node *)p;
+ }
+ }
+ _retv = (Node *)p;
+ }
+ else {
+ if ( (LA(1)==NonTerminal) ) {
+ if ( not ) warn("~ NONTERMINAL is an undefined operation");
+ zzmatch(NonTerminal);
+ zzaRet = buildRuleRef(LATEXT(1));
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==96) ) {
+ zzmatch(96);
+ q = (RuleRefNode *) ((Junction *)zzaRet.left)->p1;
+ q->astnode=ASTexclude;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (setwd3[LA(1)]&0x80) ) {
+ {
+ zzBLOCK(zztasp4);
+ zzMake0;
+ {
+ if ( (LA(1)==97) ) {
+ zzmatch(97); zzCONSUME;
+ }
+ zzEXIT(zztasp4);
+ }
+ }
+ zzmatch(PassAction);
+ addParm(((Junction *)zzaRet.left)->p1, LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ rr=(RuleRefNode *) ((Junction *)zzaRet.left)->p1;
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ char *a;
+ if ( (LA(1)==98) ) {
+ zzmatch(98); zzCONSUME;
+ zzmatch(PassAction);
+
+ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule element: cannot allocate assignment");
+ strcpy(a, LATEXT(1));
+ rr->assign = a;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+
+ if ( label!=NULL ) {
+ rr->el_label = label->str;
+ label->elem = (Node *)rr;
+ }
+ if ( first_on_line ) {
+ CurAltStart = (Junction *)zzaRet.left;
+ ((RuleRefNode *)((Junction *)zzaRet.left)->p1)->altstart = CurAltStart;
+ }
+ _retv = (Node *)rr;
+ }
+ else {zzFAIL(1,zzerr11,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ }
+ else {
+ if ( (LA(1)==Action) ) {
+ if ( not ) warn("~ ACTION is an undefined operation");
+ zzmatch(Action);
+ zzaArg(zztasp1,0) = buildAction(LATEXT(1),action_file,action_line, 0);
+ zzCONSUME;
+
+ if ( first_on_line ) CurAltStart = (Junction *)zzaArg(zztasp1,0 ).left;
+ _retv = (Node *) ((Junction *)zzaArg(zztasp1,0 ).left)->p1;
+ }
+ else {
+ if ( (LA(1)==Pred) ) {
+ if ( not ) warn("~ SEMANTIC-PREDICATE is an undefined operation");
+ zzmatch(Pred);
+ zzaArg(zztasp1,0) = buildAction(LATEXT(1),action_file,action_line, 1);
+ zzCONSUME;
+
+ act = (ActionNode *) ((Junction *)zzaArg(zztasp1,0 ).left)->p1;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ char *a;
+ if ( (LA(1)==PassAction) ) {
+ zzmatch(PassAction);
+
+ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule element: cannot allocate predicate fail action");
+ strcpy(a, LATEXT(1));
+ act->pred_fail = a;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ if ( first_on_line ) CurAltStart = (Junction *)zzaArg(zztasp1,0 ).left;
+ _retv = (Node *)act;
+ }
+ else {
+ if ( (setwd4[LA(1)]&0x1) ) {
+ if ( not ) warn("~ BLOCK is an undefined operation");
+ BlkLevel++;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==112) ) {
+ zzmatch(112); zzCONSUME;
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==113) ) {
+ zzmatch(113);
+ approx=LL_k;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==114) ) {
+ zzmatch(114);
+ approx = 1;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==115) ) {
+ zzmatch(115);
+ approx = 2;
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr12,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==116) ) {
+ zzmatch(116); zzCONSUME;
+ block( &toksrefd,&rulesrefd );
+ zzmatch(117);
+ blk = zzaRet = zzaArg(zztasp2,2); --BlkLevel;
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==118) ) {
+ zzmatch(118);
+ zzaRet = makeLoop(zzaRet,approx);
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==119) ) {
+ zzmatch(119);
+ zzaRet = makePlus(zzaRet,approx);
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==120) ) {
+ zzmatch(120); zzCONSUME;
+ {
+ zzBLOCK(zztasp4);
+ zzMake0;
+ {
+ if ( (LA(1)==121) ) {
+ zzmatch(121); zzCONSUME;
+ zzmatch(Pred);
+ zzaRet = buildAction(LATEXT(1),action_file,action_line,1);
+ zzCONSUME;
+
+ act = (ActionNode *) ((Junction *)zzaRet.left)->p1;
+ {
+ zzBLOCK(zztasp5);
+ zzMake0;
+ {
+ char *a;
+ if ( (LA(1)==PassAction) ) {
+ zzmatch(PassAction);
+
+ a = (char *)calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(a!=NULL, "rule element: cannot allocate predicate fail action");
+ strcpy(a, LATEXT(1));
+ act->pred_fail = a;
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp5);
+ }
+ }
+ if ( first_on_line) CurAltStart=(Junction *)zzaRet.left;
+ _retv = (Node *)act;
+
+ pred = computePredicateFromContextGuard(blk);
+ if ( pred==NULL )
+ err("invalid or missing context guard");
+ else {
+ pred->expr = act->action;
+ pred->source = act;
+ act->guardpred = pred;
+ }
+ }
+ else {
+ if ( (setwd4[LA(1)]&0x2) ) {
+ zzaRet = makeBlk(zzaRet,approx);
+ FoundGuessBlk = 1;
+ ((Junction *) ((Junction *)zzaRet.left)->p1)->guess=1;
+ if ( ! first_on_line ) {
+ err("(...)? predicate must be first element of production");
+ }
+ }
+ else {zzFAIL(1,zzerr13,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp4);
+ }
+ }
+ }
+ else {
+ if ( (setwd4[LA(1)]&0x4) ) {
+ zzaRet = makeBlk(zzaRet,approx);
+ }
+ else {zzFAIL(1,zzerr14,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+
+ if ( pred==NULL ) {
+ ((Junction *)((Junction *)zzaRet.left)->p1)->blockid = CurBlockID;
+ ((Junction *)((Junction *)zzaRet.left)->p1)->tokrefs = toksrefd;
+ ((Junction *)((Junction *)zzaRet.left)->p1)->rulerefs = rulesrefd;
+ if ( first_on_line )
+ CurAltStart = (Junction *)((Junction *)((Junction *)zzaRet.left)->p1);
+ _retv = (Node *) ((Junction *)zzaRet.left)->p1;
+ }
+ }
+ else {
+ if ( (LA(1)==95) ) {
+ zzmatch(95); zzCONSUME;
+ block( &toksrefd,&rulesrefd );
+ zzaRet = makeOpt(zzaArg(zztasp2,2),approx); --BlkLevel;
+ zzmatch(91);
+
+ ((Junction *)((Junction *)zzaRet.left)->p1)->blockid = CurBlockID;
+ ((Junction *)((Junction *)zzaRet.left)->p1)->tokrefs = toksrefd;
+ ((Junction *)((Junction *)zzaRet.left)->p1)->rulerefs = rulesrefd;
+ zzCONSUME;
+
+ if ( first_on_line )
+ CurAltStart = (Junction *) ((Junction *)((Junction *)zzaRet.left)->p1);
+ _retv = (Node *) ((Junction *)zzaRet.left)->p1;
+ }
+ else {zzFAIL(1,zzerr15,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ }
+ else {
+ if ( (LA(1)==118) ) {
+ zzmatch(118);
+ warn("don't you want a ')' with that '*'?"); CannotContinue=TRUE;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==119) ) {
+ zzmatch(119);
+ warn("don't you want a ')' with that '+'?"); CannotContinue=TRUE;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==98) ) {
+ zzmatch(98);
+ warn("'>' can only appear after a nonterminal"); CannotContinue=TRUE;
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==PassAction) ) {
+ zzmatch(PassAction);
+ warn("[...] out of context 'rule > [...]'");
+ CannotContinue=TRUE;
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr16,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ }
+ }
+ }
+ }
+ }
+ }
+ zzEXIT(zztasp1);
+ return _retv;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd4, 0x8);
+ return _retv;
+ }
+}
+
+void
+#ifdef __STDC__
+default_exception_handler(void)
+#else
+default_exception_handler()
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ DefaultExGroup = exception_group();
+
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd4, 0x10);
+ }
+}
+
+ ExceptionGroup *
+#ifdef __STDC__
+exception_group(void)
+#else
+exception_group()
+#endif
+{
+ ExceptionGroup * _retv;
+ PURIFY(_retv,sizeof( ExceptionGroup * ))
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ ExceptionHandler *h; LabelEntry *label=NULL; FoundException = 1;
+ zzmatch(122);
+ _retv = (ExceptionGroup *)calloc(1, sizeof(ExceptionGroup));
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ char *p;
+ if ( (LA(1)==PassAction) ) {
+ zzmatch(PassAction);
+
+ p = LATEXT(1)+1;
+ p[strlen(p)-1] = '\0'; /* kill trailing space */
+ label = (LabelEntry *) hash_get(Elabel, LATEXT(1)+1);
+ if ( label==NULL )
+ {
+ err(eMsg1("unknown label in exception handler: '%s'", LATEXT(1)+1));
+ }
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (LA(1)==124) ) {
+ h = exception_handler();
+
+ list_add(&(_retv->handlers), (void *)h);
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==123) ) {
+ zzmatch(123); zzCONSUME;
+ zzmatch(99); zzCONSUME;
+ zzmatch(Action);
+ {
+ ExceptionHandler *eh = (ExceptionHandler *)
+ calloc(1, sizeof(ExceptionHandler));
+ char *a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(eh!=NULL, "exception: cannot allocate handler");
+ require(a!=NULL, "exception: cannot allocate action");
+ strcpy(a, LATEXT(1));
+ eh->action = a;
+ eh->signalname = (char *) calloc(strlen("default")+1, sizeof(char));
+ require(eh->signalname!=NULL, "exception: cannot allocate sig name");
+ strcpy(eh->signalname, "default");
+ list_add(&(_retv->handlers), (void *)eh);
+ }
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+
+ if ( label!=NULL ) {
+ /* Record ex group in sym tab for this label */
+ if ( label->ex_group!=NULL ) {
+ err(eMsg1("duplicate exception handler for label '%s'",label->str));
+ }
+ else {
+ label->ex_group = _retv;
+ /* Label the exception group itself */
+ _retv->label = label->str;
+ /* Make the labelled element pt to the exception also */
+ switch ( label->elem->ntype ) {
+ case nRuleRef :
+ {
+ RuleRefNode *r = (RuleRefNode *)label->elem;
+ r->ex_group = _retv;
+ break;
+ }
+ case nToken :
+ {
+ TokNode *t = (TokNode *)label->elem;
+ t->ex_group = _retv;
+ break;
+ }
+ }
+ }
+ /* You may want to remove this exc from the rule list
+ * and handle at the labeled element site.
+ */
+ _retv = NULL;
+ }
+ zzEXIT(zztasp1);
+ return _retv;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd4, 0x20);
+ return _retv;
+ }
+}
+
+ ExceptionHandler *
+#ifdef __STDC__
+exception_handler(void)
+#else
+exception_handler()
+#endif
+{
+ ExceptionHandler * _retv;
+ PURIFY(_retv,sizeof( ExceptionHandler * ))
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ char *a;
+ zzmatch(124);
+
+ _retv = (ExceptionHandler *)calloc(1, sizeof(ExceptionHandler));
+ require(_retv!=NULL, "exception: cannot allocate handler");
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==NonTerminal) ) {
+ zzmatch(NonTerminal);
+
+ _retv->signalname = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(_retv->signalname!=NULL, "exception: cannot allocate sig name");
+ strcpy(_retv->signalname, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (LA(1)==TokenTerm) ) {
+ zzmatch(TokenTerm);
+
+ _retv->signalname = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(_retv->signalname!=NULL, "exception: cannot allocate sig name");
+ strcpy(_retv->signalname, LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {zzFAIL(1,zzerr17,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzmatch(99); zzCONSUME;
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ _retv->action = NULL;
+ if ( (LA(1)==Action) ) {
+ zzmatch(Action);
+
+ _retv->action = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
+ require(_retv->action!=NULL, "exception: cannot allocate action");
+ strcpy(_retv->action, LATEXT(1));
+ zzCONSUME;
+
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzEXIT(zztasp1);
+ return _retv;
+fail:
+ zzEXIT(zztasp1);
+ CannotContinue=TRUE;
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd4, 0x40);
+ return _retv;
+ }
+}
+
+void
+#ifdef __STDC__
+enum_file( char *fname )
+#else
+enum_file(fname)
+ char *fname ;
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ if ( (setwd4[LA(1)]&0x80) ) {
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==132) ) {
+ zzmatch(132); zzCONSUME;
+ zzmatch(ID); zzCONSUME;
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==138) ) {
+ zzmatch(138); zzCONSUME;
+ zzmatch(ID); zzCONSUME;
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==140) ) {
+ {
+ zzBLOCK(zztasp3);
+ int zzcnt=1;
+ zzMake0;
+ {
+ do {
+ enum_def( fname );
+ zzLOOP(zztasp3);
+ } while ( (LA(1)==140) );
+ zzEXIT(zztasp3);
+ }
+ }
+ }
+ else {
+ if ( (LA(1)==138) ) {
+ defines( fname );
+ }
+ else {zzFAIL(1,zzerr18,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ }
+ else {
+ if ( (LA(1)==Eof) ) {
+ }
+ else {zzFAIL(1,zzerr19,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd5, 0x1);
+ }
+}
+
+void
+#ifdef __STDC__
+defines( char *fname )
+#else
+defines(fname)
+ char *fname ;
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ int v,maxt= -1; char *t;
+ {
+ zzBLOCK(zztasp2);
+ int zzcnt=1;
+ zzMake0;
+ {
+ do {
+ zzmatch(138); zzCONSUME;
+ zzmatch(ID);
+ t = mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ zzmatch(INT);
+
+ v = atoi(LATEXT(1));
+ /* fprintf(stderr, "#token %s=%d\n", t, v);*/
+ TokenNum = v;
+ if ( v>maxt ) maxt=v;
+ if ( Tnum( t ) == 0 ) addForcedTname( t, v );
+ else {
+ warnFL(eMsg1("redefinition of token %s; ignored",t), fname,zzline);
+ }
+ zzCONSUME;
+
+ zzLOOP(zztasp2);
+ } while ( (LA(1)==138) );
+ zzEXIT(zztasp2);
+ }
+ }
+ TokenNum = maxt + 1;
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd5, 0x2);
+ }
+}
+
+void
+#ifdef __STDC__
+enum_def( char *fname )
+#else
+enum_def(fname)
+ char *fname ;
+#endif
+{
+ zzRULE;
+ zzBLOCK(zztasp1);
+ zzMake0;
+ {
+ int v= 0; char *t;
+ zzmatch(140); zzCONSUME;
+ zzmatch(ID); zzCONSUME;
+ zzmatch(141); zzCONSUME;
+ zzmatch(ID);
+ t = mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ if ( (LA(1)==142) ) {
+ zzmatch(142); zzCONSUME;
+ zzmatch(INT);
+ v=atoi(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (setwd5[LA(1)]&0x4) ) {
+ v++;
+ }
+ else {zzFAIL(1,zzerr20,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+
+ /* fprintf(stderr, "#token %s=%d\n", t, v);*/
+ TokenNum = v;
+ if ( Tnum( t ) == 0 ) addForcedTname( t, v );
+ else {
+ warnFL(eMsg1("redefinition of token %s; ignored",t), fname,zzline);
+ }
+ {
+ zzBLOCK(zztasp2);
+ zzMake0;
+ {
+ while ( (LA(1)==143) ) {
+ zzmatch(143); zzCONSUME;
+ {
+ zzBLOCK(zztasp3);
+ zzMake0;
+ {
+ if ( (LA(1)==ID) ) {
+ zzmatch(ID);
+ t = mystrdup(LATEXT(1));
+ zzCONSUME;
+
+ {
+ zzBLOCK(zztasp4);
+ zzMake0;
+ {
+ if ( (LA(1)==142) ) {
+ zzmatch(142); zzCONSUME;
+ zzmatch(INT);
+ v=atoi(LATEXT(1));
+ zzCONSUME;
+
+ }
+ else {
+ if ( (setwd5[LA(1)]&0x8) ) {
+ v++;
+ }
+ else {zzFAIL(1,zzerr21,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
+ }
+ zzEXIT(zztasp4);
+ }
+ }
+
+ /* fprintf(stderr, "#token %s=%d\n", t, v);*/
+ TokenNum = v;
+ if ( Tnum( t ) == 0 ) addForcedTname( t, v );
+ else {
+ warnFL(eMsg1("redefinition of token %s; ignored",t), fname,zzline);
+ }
+ }
+ zzEXIT(zztasp3);
+ }
+ }
+ zzLOOP(zztasp2);
+ }
+ zzEXIT(zztasp2);
+ }
+ }
+ zzmatch(144); zzCONSUME;
+ zzmatch(145);
+ TokenNum++;
+ zzCONSUME;
+
+ zzEXIT(zztasp1);
+ return;
+fail:
+ zzEXIT(zztasp1);
+ zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
+ zzresynch(setwd5, 0x10);
+ }
+}
+
+/* semantics of #token */
+static void
+#ifdef __STDC__
+chkToken(char *t, char *e, char *a, int tnum)
+#else
+chkToken(t,e,a,tnum)
+char *t, *e, *a;
+int tnum;
+#endif
+{
+ TermEntry *p;
+
+ /* check to see that they don't try to redefine a token as a token class */
+ if ( t!=NULL ) {
+ p = (TermEntry *) hash_get(Tname, t);
+ if ( p!=NULL && p->classname ) {
+ err(eMsg1("redefinition of #tokclass '%s' to #token not allowed; ignored",t));
+ if ( a!=NULL ) free((char *)a);
+ return;
+}
+}
+
+ if ( t==NULL && e==NULL ) { /* none found */
+err("#token requires at least token name or rexpr");
+}
+else if ( t!=NULL && e!=NULL ) { /* both found */
+if ( UserDefdTokens ) { /* if #tokdefs, must not define new */
+p = (TermEntry *) hash_get(Tname, t);
+if ( p==NULL ) {
+err(eMsg1("#token definition '%s' not allowed with #tokdefs; ignored",t));
+return;
+}
+}
+Tklink(t, e);
+if ( a!=NULL ) {
+if ( hasAction(e) ) {
+err(eMsg1("redefinition of action for %s; ignored",e));
+}
+else setHasAction(e, a);
+}
+}
+else if ( t!=NULL ) { /* only one found */
+if ( UserDefdTokens ) {
+err(eMsg1("#token definition '%s' not allowed with #tokdefs; ignored",t));
+return;
+}
+if ( Tnum( t ) == 0 ) addTname( t );
+else {
+err(eMsg1("redefinition of token %s; ignored",t));
+}
+if ( a!=NULL ) {
+err(eMsg1("action cannot be attached to a token name (%s); ignored",t));
+free((char *)a);
+}
+}
+else if ( e!=NULL ) {
+if ( Tnum( e ) == 0 ) addTexpr( e );
+else {
+if ( hasAction(e) ) {
+err(eMsg1("redefinition of action for expr %s; ignored",e));
+}
+else if ( a==NULL ) {
+err(eMsg1("redefinition of expr %s; ignored",e));
+}
+}
+if ( a!=NULL ) setHasAction(e, a);
+}
+
+ /* if a token type number was specified, then add the token ID and 'tnum'
+* pair to the ForcedTokens list. (only applies if an id was given)
+*/
+if ( t!=NULL && tnum>0 )
+{
+if ( set_el(tnum, reserved_positions) )
+{
+err(eMsgd("a token has already been forced to token number %d; ignored", tnum));
+}
+else
+{
+list_add(&ForcedTokens, newForcedToken(t,tnum));
+set_orel(tnum, &reserved_positions);
+}
+}
+}
+
+static int
+#ifdef __USE_PROTOS
+match_token(char *s, char **nxt)
+#else
+match_token(s,nxt)
+char *s;
+char **nxt;
+#endif
+{
+ if ( !(*s>='A' && *s<='Z') ) return 0;
+ s++;
+ while ( (*s>='a' && *s<='z') ||
+ (*s>='A' && *s<='Z') ||
+ (*s>='0' && *s<='9') ||
+ *s=='_' )
+ {
+ s++;
+ }
+ if ( *s!=' ' && *s!='}' ) return 0;
+ *nxt = s;
+ return 1;
+}
+
+static int
+#ifdef __USE_PROTOS
+match_rexpr(char *s, char **nxt)
+#else
+match_rexpr(s,nxt)
+char *s;
+char **nxt;
+#endif
+{
+ if ( *s!='"' ) return 0;
+ s++;
+ while ( *s!='"' )
+ {
+ if ( *s=='\n' )
+ warn("eoln found in regular expression");
+ if ( *s=='\\' ) s++;
+ s++;
+ }
+ *nxt = s+1;
+ return 1;
+}
+
+/*
+* Walk a string "{ A .. Z }" where A..Z is a space separated list
+* of token references (either labels or reg exprs). Return a
+* string "inlineX_set" for some unique integer X. Basically,
+* we pretend as if we had seen "#tokclass inlineX { A .. Z }"
+* on the input stream outside of an action.
+*/
+char *
+#ifdef __USE_PROTOS
+inline_set(char *s)
+#else
+inline_set(s)
+char *s;
+#endif
+{
+ char *nxt;
+ fprintf(stderr, "found consumeUntil( {...} )\n");
+ while ( *s==' ' || *s=='\t' || *s=='\n' || *s=='\r' ) {s++;}
+ if ( *s!='{' )
+ {
+ err("malformed consumeUntil( {...} ); missing '{'");
+ return "bad_set";
+ }
+ s++;
+ while ( *s==' ' || *s=='\t' || *s=='\n' || *s=='\r' ) {s++;}
+ while ( *s!='}' )
+ {
+ if ( match_token(s,&nxt) ) fprintf(stderr, "found token %s\n", s);
+ else if ( match_rexpr(s,&nxt) ) fprintf(stderr, "found rexpr %s\n", s);
+ else {
+ err("invalid element in consumeUntil( {...} )");
+ return "bad_set";
+ }
+ s = nxt;
+ while ( *s==' ' || *s=='\t' || *s=='\n' || *s=='\r' ) {s++;}
+ }
+ return "inlineX_set";
+}
+
+/* ANTLR-specific syntax error message generator
+* (define USER_ZZSYN when compiling so don't get 2 definitions)
+*/
+void
+#ifdef __STDC__
+zzsyn(char *text, int tok, char *egroup, SetWordType *eset, int etok,
+int k, char *bad_text)
+#else
+zzsyn(text, tok, egroup, eset, etok, k, bad_text)
+char *text, *egroup, *bad_text;
+int tok;
+int etok;
+int k;
+SetWordType *eset;
+#endif
+{
+fprintf(stderr, ErrHdr, FileStr[CurFile]!=NULL?FileStr[CurFile]:"stdin", zzline);
+fprintf(stderr, " syntax error at \"%s\"", (tok==zzEOF_TOKEN)?"EOF":text);
+if ( !etok && !eset ) {fprintf(stderr, "\n"); return;}
+if ( k==1 ) fprintf(stderr, " missing");
+else
+{
+fprintf(stderr, "; \"%s\" not", bad_text);
+if ( zzset_deg(eset)>1 ) fprintf(stderr, " in");
+}
+if ( zzset_deg(eset)>0 ) zzedecode(eset);
+else fprintf(stderr, " %s", zztokens[etok]);
+if ( strlen(egroup) > (size_t)0 ) fprintf(stderr, " in %s", egroup);
+fprintf(stderr, "\n");
+}
projects / pccts / blobdiff