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c606a5364d80c74745b53940eb86ba0c364ac92d
system76-edk2/Tools/Source/TianoTools/Pccts/antlr/antlr.c
bbahnsen 878ddf1fc3 Initial import. 
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
2006-04-21 22:54:32 +00:00

3565 lines
96 KiB
C
Raw Blame History

/*
* 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: 1989-2001
* Purdue University Electrical Engineering
* With AHPCRC, University of Minnesota
* ANTLR Version 1.33MR33
*
* ..\bin\antlr -gh antlr.g
*
*/
#define ANTLR_VERSION 13333
#include "pcctscfg.h"
#include "pccts_stdio.h"
#include "pcctscfg.h"
#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"
/* MR23 In order to remove calls to PURIFY use the antlr -nopurify option */
#ifndef PCCTS_PURIFY
#define PCCTS_PURIFY(r,s) memset((char *) &(r),'\0',(s));
#endif
ANTLR_INFO
/* MR20 G. Hobbelt For Borland C++ 4.x & 5.x compiling with ALL warnings enabled */
#if defined(__TURBOC__)
#pragma warn -aus /* unused assignment of 'xxx' */
#endif
#ifdef __USE_PROTOS
static void chkToken(char *, char *, char *, int);
#else
static void chkToken();
#endif
#ifdef __USE_PROTOS
static int isDLGmaxToken(char *Token); /* MR3 */
#else
static int isDLGmaxToken(); /* MR3 */
#endif
static int class_nest_level = 0;
/* MR20 G. Hobbelt extern definitions moved to antlr.h */
void
#ifdef __USE_PROTOS
grammar(void)
#else
grammar()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
Graph g;
{
zzBLOCK(zztasp2);
zzMake0;
{
for (;;) {
if ( !((setwd1[LA(1)]&0x1))) break;
if ( (LA(1)==94) ) {
zzmatch(94); 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)==95) ) {
zzmatch(95); zzCONSUME;
zzmatch(Action);
if ( FirstAction==NULL ) {
FirstAction = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
require(FirstAction!=NULL, "rule grammar: cannot allocate #first action");
strcpy(FirstAction, LATEXT(1));
} else {
warn("additional #first statement ignored");
};
zzCONSUME;
}
else {
if ( (LA(1)==96) ) {
zzmatch(96); 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)==97) ) {
zzmatch(97); 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;
}
else break; /* MR6 code for exiting loop "for sure" */
}
}
}
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
for (;;) {
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)==108) ) {
laction();
}
else {
if ( (LA(1)==109) ) {
lmember();
}
else {
if ( (LA(1)==110) ) {
lprefix();
}
else {
if ( (LA(1)==116) ) {
aLexclass();
}
else {
if ( (LA(1)==120) ) {
token();
}
else {
if ( (LA(1)==117) ) {
error();
}
else {
if ( (LA(1)==118) ) {
tclass();
}
else {
if ( (LA(1)==111) ) {
aPred();
}
else {
if ( (LA(1)==133) ) {
default_exception_handler();
}
else {
if ( (LA(1)==99) ) {
class_def();
}
else {
if ( (LA(1)==98) ) {
zzmatch(98);
if ( class_nest_level==0 )
warn("missing class definition for trailing '}'");
class_nest_level--;
zzCONSUME;
}
else break; /* MR6 code for exiting loop "for sure" */
}
}
}
}
}
}
}
}
}
}
}
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
rule();
g=zzaArg(zztasp1,3); SynDiag = (Junction *) zzaArg(zztasp1,3 ).left;
{
zzBLOCK(zztasp2);
zzMake0;
{
for (;;) {
if ( !((setwd1[LA(1)]&0x4))) break;
if ( (LA(1)==NonTerminal) ) {
rule();
if ( zzaArg(zztasp2,1 ).left!=NULL ) {
g.right = NULL;
/* MR21a */ /* Avoid use of a malformed graph when CannotContinue */
/* MR21a */ /* is already set */
/* MR21a */
/* MR21a */ if (! (CannotContinue && g.left == NULL)) {
/* MR21a */ g = Or(g, zzaArg(zztasp2,1));
/* MR21a */ }
/* MR21a */ }
}
else {
if ( (LA(1)==116) ) {
aLexclass();
}
else {
if ( (LA(1)==120) ) {
token();
}
else {
if ( (LA(1)==117) ) {
error();
}
else {
if ( (LA(1)==118) ) {
tclass();
}
else {
if ( (LA(1)==111) ) {
aPred();
}
else {
if ( (LA(1)==99) ) {
class_def();
}
else {
if ( (LA(1)==98) ) {
zzmatch(98);
if ( class_nest_level==0 )
warn("missing class definition for trailing '}'");
class_nest_level--;
zzCONSUME;
}
else break; /* MR6 code for exiting loop "for sure" */
}
}
}
}
}
}
}
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
for (;;) {
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)==108) ) {
laction();
}
else {
if ( (LA(1)==109) ) {
lmember();
}
else {
if ( (LA(1)==110) ) {
lprefix();
}
else {
if ( (LA(1)==117) ) {
error();
}
else {
if ( (LA(1)==118) ) {
tclass();
}
else {
if ( (LA(1)==99) ) {
class_def();
}
else {
if ( (LA(1)==111) ) {
aPred();
}
else {
if ( (LA(1)==98) ) {
zzmatch(98);
if ( class_nest_level==0 )
warn("missing class definition for trailing '}'");
class_nest_level--;
zzCONSUME;
}
else break; /* MR6 code for exiting loop "for sure" */
}
}
}
}
}
}
}
}
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 __USE_PROTOS
class_def(void)
#else
class_def()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
int go=1; char name[MaxRuleName+1];
zzmatch(99); 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"); }
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (setwd1[LA(1)]&0x20) ) {
zzsetmatch(zzerr2, zzerr3);
if (ClassDeclStuff == NULL) {
/* MR10 */ ClassDeclStuff=(char *)calloc(MaxClassDeclStuff+1,sizeof(char));
/* MR10 */ };
/* MR10 */ strncat(ClassDeclStuff," ",MaxClassDeclStuff);
/* MR10 */ strncat(ClassDeclStuff,LATEXT(1),MaxClassDeclStuff);
/* MR22 */ do {
/* MR22 */ if (0 == strcmp(LATEXT(1),"public")) break;
/* MR22 */ if (0 == strcmp(LATEXT(1),"private")) break;
/* MR22 */ if (0 == strcmp(LATEXT(1),"protected")) break;
/* MR22 */ if (0 == strcmp(LATEXT(1),"virtual")) break;
/* MR22 */ if (0 == strcmp(LATEXT(1),",")) break;
/* MR22 */ if (0 == strcmp(LATEXT(1),":")) break;
/* MR22 */ if (BaseClassName != NULL) break;
/* MR22 */ BaseClassName=(char *)calloc(strlen(LATEXT(1))+1,sizeof(char));
/* MR22 */ require(BaseClassName!=NULL, "rule grammar: cannot allocate base class name");
/* MR22 */ strcpy(BaseClassName,LATEXT(1));
/* MR22 */ } while (0);
/* MR10 */
zzCONSUME;
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
zzmatch(102);
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, 0x40);
}
}
void
#ifdef __USE_PROTOS
rule(void)
#else
rule()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
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;
CurAstLabelsInActions = NULL; /* MR27 */
/* 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)==103) ) {
zzmatch(103);
if ( q!=NULL ) q->noAST = TRUE;
zzCONSUME;
}
else {
if ( (setwd1[LA(1)]&0x80) ) {
}
else {zzFAIL(1,zzerr4,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
;
if ( (setwd2[LA(1)]&0x1) ) {
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==104) ) {
zzmatch(104); zzCONSUME;
}
else {
if ( (LA(1)==PassAction) ) {
}
else {zzFAIL(1,zzerr5,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
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;
}
else {
if ( (setwd2[LA(1)]&0x2) ) {
}
else {zzFAIL(1,zzerr6,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==105) ) {
zzmatch(105); 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;
}
else {
if ( (setwd2[LA(1)]&0x4) ) {
}
else {zzFAIL(1,zzerr7,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==QuotedTerm) ) {
zzmatch(QuotedTerm);
if ( q!=NULL ) q->egroup=mystrdup(LATEXT(1));
zzCONSUME;
}
else {
if ( (LA(1)==106) ) {
}
else {zzFAIL(1,zzerr8,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
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++;
if (BlkLevel >= MAX_BLK_LEVEL) fatal("Blocks nested too deeply");
/* MR23 */ CurBlockID_array[BlkLevel] = CurBlockID;
/* MR23 */ CurAltNum_array[BlkLevel] = CurAltNum;
zzmatch(106);
inAlt=1;
zzCONSUME;
block( &toksrefd, &rulesrefd );
r = makeBlk(zzaArg(zztasp1,7),0, NULL /* pFirstSetSymbol */ );
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;
/* MR23 */ CurBlockID_array[BlkLevel] = (-1);
/* MR23 */ CurAltNum_array[BlkLevel] = (-1);
--BlkLevel;
altFixup();leFixup();egFixup();
zzmatch(107);
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;
}
else {
if ( (setwd2[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr9,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==133) ) {
eg = exception_group();
if ( eg!=NULL ) {
list_add(&CurExGroups, (void *)eg);
if (eg->label == NULL || *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);
CurRuleBlk->exceptions = CurExGroups;
CurRuleBlk->el_labels = CurElementLabels;
CurRuleNode->ast_labels_in_actions = CurAstLabelsInActions;
CurRuleNode = NULL;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd2, 0x10);
}
}
void
#ifdef __USE_PROTOS
laction(void)
#else
laction()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *a;
zzmatch(108); 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, 0x20);
}
}
void
#ifdef __USE_PROTOS
lmember(void)
#else
lmember()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *a;
zzmatch(109); zzCONSUME;
zzmatch(Action);
/* MR1 */ if (! GenCC) {
/* MR1 */ err("Use #lexmember only in C++ mode (to insert code in DLG class header");
/* MR1 */ } else {
/* MR1 */ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
/* MR1 */ require(a!=NULL, "rule lmember: cannot allocate action");
/* MR1 */ strcpy(a, LATEXT(1));
/* MR1 */ list_add(&LexMemberActions, a);
/* MR1 */ };
/* MR1 */
zzCONSUME;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd2, 0x40);
}
}
void
#ifdef __USE_PROTOS
lprefix(void)
#else
lprefix()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *a;
zzmatch(110); zzCONSUME;
zzmatch(Action);
/* MR1 */ if (! GenCC) {
/* MR1 */ err("Use #lexprefix only in C++ mode (to insert code in DLG class header");
/* MR1 */ } else {
/* MR1 */ a = (char *) calloc(strlen(LATEXT(1))+1, sizeof(char));
/* MR1 */ require(a!=NULL, "rule lprefix: cannot allocate action");
/* MR1 */ strcpy(a, LATEXT(1));
/* MR1 */ list_add(&LexPrefixActions, a);
/* MR1 */ };
/* MR1 */
zzCONSUME;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd2, 0x80);
}
}
void
#ifdef __USE_PROTOS
aPred(void)
#else
aPred()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
PredEntry *predEntry=NULL;
char *name=NULL;
Predicate *predExpr=NULL;
char *predLiteral=NULL;
int save_file;
int save_line;
int predExprPresent=0;
zzmatch(111);
MR_usingPredNames=1; /* will need to use -mrhoist version of genPredTree */
zzCONSUME;
zzmatch(TokenTerm);
name=mystrdup(LATEXT(1));
zzCONSUME;
/* don't free - referenced in predicates */
CurPredName=(char *)calloc(1,strlen(name) + 10);
strcat(CurPredName,"#pred ");
strcat(CurPredName,name);
predEntry=(PredEntry *) hash_get(Pname,name);
if (predEntry != NULL) {
warnFL(eMsg1("#pred %s previously defined - ignored",name),
FileStr[action_file],action_line);
name=NULL;
};
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==Pred) ) {
zzmatch(Pred);
predLiteral=mystrdup(LATEXT(1));
save_line=action_line;
save_file=action_file;
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (setwd3[LA(1)]&0x1) ) {
predExpr = predOrExpr();
predExprPresent=1;
}
else {
if ( (setwd3[LA(1)]&0x2) ) {
}
else {zzFAIL(1,zzerr10,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if (predLiteral != NULL && name != NULL) {
/*
* predExpr may be NULL due to syntax errors
* or simply omitted by the user
*/
predEntry=newPredEntry(name);
predEntry->file=save_file;
predEntry->line=save_line;
predExpr=MR_predFlatten(predExpr);
predEntry->predLiteral=predLiteral;
if (! predExprPresent || predExpr == NULL) {
predExpr=new_pred();
predExpr->expr=predLiteral;
predExpr->source=newActionNode();
predExpr->source->action=predExpr->expr;
predExpr->source->rname=CurPredName;
predExpr->source->line=action_line;
predExpr->source->file=action_file;
predExpr->source->is_predicate=1;
predExpr->k=predicateLookaheadDepth(predExpr->source);
};
predEntry->pred=predExpr;
hash_add(Pname,name,(Entry *)predEntry);
predExpr=NULL;
};
predicate_free(predExpr);
}
else {
if ( (setwd3[LA(1)]&0x4) ) {
save_line=zzline; save_file=CurFile;
predExpr = predOrExpr();
if (predExpr != NULL && name != NULL) {
predEntry=newPredEntry(name);
predEntry->file=CurFile;
predEntry->line=zzline;
predExpr=MR_predFlatten(predExpr);
predEntry->pred=predExpr;
hash_add(Pname,name,(Entry *)predEntry);
predExpr=NULL;
};
predicate_free(predExpr);
}
else {zzFAIL(1,zzerr11,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==107) ) {
zzmatch(107); zzCONSUME;
}
else {
if ( (setwd3[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr12,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
predicate_free(predExpr);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd3, 0x10);
}
}
Predicate *
#ifdef __USE_PROTOS
predOrExpr(void)
#else
predOrExpr()
#endif
{
Predicate * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(Predicate * ))
zzMake0;
{
Predicate *ORnode;
Predicate *predExpr;
Predicate **tail=NULL;
predExpr = predAndExpr();
ORnode=new_pred();
ORnode->expr=PRED_OR_LIST;
if (predExpr != NULL) {
ORnode->down=predExpr;
tail=&predExpr->right;
};
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==112) ) {
zzmatch(112); zzCONSUME;
predExpr = predAndExpr();
if (predExpr != NULL) {
*tail=predExpr;
tail=&predExpr->right;
};
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
_retv=ORnode;
ORnode=NULL;
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
predicate_free(ORnode);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd3, 0x20);
return _retv;
}
}
Predicate *
#ifdef __USE_PROTOS
predAndExpr(void)
#else
predAndExpr()
#endif
{
Predicate * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(Predicate * ))
zzMake0;
{
Predicate *ANDnode;
Predicate *predExpr;
Predicate **tail=NULL;
predExpr = predPrimary();
ANDnode=new_pred();
ANDnode->expr=PRED_AND_LIST;
if (predExpr != NULL) {
ANDnode->down=predExpr;
tail=&predExpr->right;
};
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==113) ) {
zzmatch(113); zzCONSUME;
predExpr = predPrimary();
if (predExpr != NULL) {
*tail=predExpr;
tail=&predExpr->right;
};
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
_retv=ANDnode;
ANDnode=NULL;
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
predicate_free(ANDnode);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd3, 0x40);
return _retv;
}
}
Predicate *
#ifdef __USE_PROTOS
predPrimary(void)
#else
predPrimary()
#endif
{
Predicate * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(Predicate * ))
zzMake0;
{
char *name=NULL;
PredEntry *predEntry=NULL;
Predicate *predExpr=NULL;
if ( (LA(1)==TokenTerm) ) {
zzmatch(TokenTerm);
name=mystrdup(LATEXT(1));
zzCONSUME;
predEntry=(PredEntry *) hash_get(Pname,name);
if (predEntry == NULL) {
warnFL(eMsg1("no previously defined #pred with name \"%s\"",name),
FileStr[CurFile],zzline);
name=NULL;
_retv=NULL;
} else {
predExpr=predicate_dup(predEntry->pred);
predExpr->predEntry=predEntry;
_retv=predExpr;
};
}
else {
if ( (LA(1)==114) ) {
zzmatch(114); zzCONSUME;
predExpr = predOrExpr();
zzmatch(115);
_retv=predExpr;
zzCONSUME;
}
else {
if ( (LA(1)==103) ) {
zzmatch(103); zzCONSUME;
predExpr = predPrimary();
predExpr->inverted=!predExpr->inverted;
_retv=predExpr;
}
else {zzFAIL(1,zzerr13,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
predicate_free(predExpr);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd3, 0x80);
return _retv;
}
}
void
#ifdef __USE_PROTOS
aLexclass(void)
#else
aLexclass()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
zzmatch(116); 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(setwd4, 0x1);
}
}
void
#ifdef __USE_PROTOS
error(void)
#else
error()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *t=NULL; ECnode *e; int go=1; TermEntry *p;
zzmatch(117); 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,zzerr14,&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(102); 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,zzerr15,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp2);
}
}
if ( go ) list_add(&(e->elist), t);
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (setwd4[LA(1)]&0x2) ) {
{
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,zzerr16,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
if ( go ) list_add(&(e->elist), t);
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
zzmatch(98); zzCONSUME;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd4, 0x4);
}
}
void
#ifdef __USE_PROTOS
tclass(void)
#else
tclass()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *t=NULL; TCnode *e; int go=1,tok,totok; TermEntry *p, *term, *toterm;
char *akaString=NULL; int save_file; int save_line;
char *totext=NULL;
zzmatch(118); 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;
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==114) ) {
zzmatch(114); zzCONSUME;
zzmatch(QuotedTerm);
akaString=mystrdup(StripQuotes(LATEXT(1)));
/* MR11 */ save_file=CurFile;save_line=zzline;
/* MR23 */
zzCONSUME;
zzmatch(115); zzCONSUME;
}
else {
if ( (LA(1)==102) ) {
}
else {zzFAIL(1,zzerr17,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
/* MR23 */ if (p!= NULL && akaString != NULL) {
/* MR23 */ if (p->akaString != NULL) {
/* MR23 */ if (strcmp(p->akaString,akaString) != 0) {
/* MR23 */ warnFL(eMsg2("this #tokclass statment conflicts with a previous #tokclass %s(\"%s\") statement",
/* MR23 */ t,p->akaString),
/* MR23 */ FileStr[save_file],save_line);
/* MR23 */ };
/* MR23 */ } else {
/* MR23 */ p->akaString=akaString;
/* MR23 */ };
/* MR23 */ };
/* MR23 */
zzmatch(102); zzCONSUME;
{
zzBLOCK(zztasp2);
int zzcnt=1;
zzMake0;
{
do {
{
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;
{
zzBLOCK(zztasp4);
zzMake0;
{
if ( (LA(1)==119) ) {
zzmatch(119); zzCONSUME;
zzmatch(TokenTerm);
if ( go ) {
toterm = (TermEntry *) hash_get(Tname, LATEXT(1));
if ( toterm==NULL && UserDefdTokens ) {
err("implicit token definition not allowed with #tokdefs");
go = 0;
} else {
totext=mystrdup(LATEXT(1)); totok=addTname(LATEXT(1));
}
}
zzCONSUME;
}
else {
if ( (setwd4[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr18,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
}
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,zzerr19,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if ( go ) {
if (totext == NULL) {
list_add(&(e->tlist), t);
} else {
list_add(&(e->tlist),"..");
list_add(&(e->tlist),t);
list_add(&(e->tlist),totext);
}
totext=NULL;
}
zzLOOP(zztasp2);
} while ( (setwd4[LA(1)]&0x10) );
zzEXIT(zztasp2);
}
}
zzmatch(98); zzCONSUME;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd4, 0x20);
}
}
void
#ifdef __USE_PROTOS
token(void)
#else
token()
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
char *t=NULL, *e=NULL, *a=NULL; int tnum=0;
char *akaString=NULL; TermEntry *te;int save_file=0,save_line=0;
zzmatch(120);
tokenActionActive=1;
zzCONSUME;
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==TokenTerm) ) {
zzmatch(TokenTerm);
t=mystrdup(LATEXT(1));
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==114) ) {
zzmatch(114); zzCONSUME;
zzmatch(QuotedTerm);
akaString=mystrdup(StripQuotes(LATEXT(1)));
/* MR11 */ save_file=CurFile;save_line=zzline;
/* MR11 */
zzCONSUME;
zzmatch(115); zzCONSUME;
}
else {
if ( (setwd4[LA(1)]&0x40) ) {
}
else {zzFAIL(1,zzerr20,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==121) ) {
zzmatch(121); zzCONSUME;
zzmatch(122);
tnum = atoi(LATEXT(1));
zzCONSUME;
}
else {
if ( (setwd4[LA(1)]&0x80) ) {
}
else {zzFAIL(1,zzerr21,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
}
else {
if ( (setwd5[LA(1)]&0x1) ) {
}
else {zzFAIL(1,zzerr22,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==QuotedTerm) ) {
zzmatch(QuotedTerm);
e=mystrdup(LATEXT(1));
zzCONSUME;
}
else {
if ( (setwd5[LA(1)]&0x2) ) {
}
else {zzFAIL(1,zzerr23,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
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;
}
else {
if ( (setwd5[LA(1)]&0x4) ) {
}
else {zzFAIL(1,zzerr24,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==107) ) {
zzmatch(107); zzCONSUME;
}
else {
if ( (setwd5[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr25,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
chkToken(t, e, a, tnum);
if (t != NULL) {
te=(TermEntry *)hash_get(Tname,t);
if (te != NULL && akaString != NULL) {
if (te->akaString != NULL) {
if (strcmp(te->akaString,akaString) != 0) {
warnFL(eMsg2("this #token statment conflicts with a previous #token %s(\"%s\") statement",
t,te->akaString),
FileStr[save_file],save_line);
};
} else {
te->akaString=akaString;
};
};
};
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd5, 0x10);
}
}
void
#ifdef __USE_PROTOS
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++;
/* MR23 */ CurBlockID_array[BlkLevel] = CurBlockID;
CurAltNum = 1;
/* MR23 */ CurAltNum_array[BlkLevel] = CurAltNum;
saveblah = attribsRefdFromAction;
attribsRefdFromAction = empty;
alt( toksrefd,rulesrefd );
b = g = zzaArg(zztasp1,1);
if ( ((Junction *)g.left)->p1->ntype == nAction )
{
ActionNode *actionNode=(ActionNode *)
( ( (Junction *)g.left) ->p1);
if (!actionNode->is_predicate )
{
actionNode->init_action = TRUE;
/* MR12c */ if (actionNode->noHoist) {
/* MR12c */ errFL("<<nohoist>> appears as init-action - use <<>> <<nohoist>>",
/* MR12c */ FileStr[actionNode->file],actionNode->line);
/* MR12c */ };
}
}
((Junction *)g.left)->blockid = CurBlockID;
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==133) ) {
eg = exception_group();
if ( eg!=NULL ) {
/* MR7 ***** eg->altID = makeAltID(CurBlockID,CurAltNum); *****/
/* MR7 ***** CurAltStart->exception_label = eg->altID; *****/
list_add(&CurExGroups, (void *)eg);
}
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
CurAltNum++;
/* MR23 */ CurAltNum_array[BlkLevel] = CurAltNum;
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==123) ) {
zzmatch(123);
inAlt=1;
zzCONSUME;
alt( toksrefd,rulesrefd );
g = Or(g, zzaArg(zztasp2,2));
((Junction *)g.left)->blockid = CurBlockID;
{
zzBLOCK(zztasp3);
zzMake0;
{
while ( (LA(1)==133) ) {
eg = exception_group();
if ( eg!=NULL ) {
/* MR7 ***** eg->altID = makeAltID(CurBlockID,CurAltNum); *****/
/* MR7 ***** CurAltStart->exception_label = eg->altID; *****/
list_add(&CurExGroups, (void *)eg);
}
zzLOOP(zztasp3);
}
zzEXIT(zztasp3);
}
}
CurAltNum++;
/* MR23 */ CurAltNum_array[BlkLevel] = 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(setwd5, 0x20);
}
}
void
#ifdef __USE_PROTOS
alt(set * toksrefd,set * rulesrefd)
#else
alt(toksrefd,rulesrefd)
set *toksrefd;
set *rulesrefd ;
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
int n=0; Graph g; int e_num=0, old_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)==88) ) {
zzmatch(88);
use_def_MT_handler = 1;
zzCONSUME;
}
else {
if ( (setwd5[LA(1)]&0x40) ) {
}
else {zzFAIL(1,zzerr26,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
;
while ( (setwd5[LA(1)]&0x80) ) {
{
zzBLOCK(zztasp3);
zzMake0;
{
old_not=0;
if ( (LA(1)==124) ) {
zzmatch(124);
old_not=1;
zzCONSUME;
}
else {
if ( (setwd6[LA(1)]&0x1) ) {
}
else {zzFAIL(1,zzerr27,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
node = element( old_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(setwd6, 0x2);
}
}
LabelEntry *
#ifdef __USE_PROTOS
element_label(void)
#else
element_label()
#endif
{
LabelEntry * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(LabelEntry * ))
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);
/* MR7 */ leAdd(l); /* list of labels waiting for exception group definitions */
_retv = l;
}
else {
err(eMsg1("label definitions must be unique per rule: '%s'", lab));
_retv = NULL;
}
}
zzmatch(106); zzCONSUME;
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd6, 0x4);
return _retv;
}
}
Node *
#ifdef __USE_PROTOS
element(int old_not,int first_on_line,int use_def_MT_handler)
#else
element(old_not,first_on_line,use_def_MT_handler)
int old_not;
int first_on_line;
int use_def_MT_handler ;
#endif
{
Node * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(Node * ))
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;
int predMsgDone=0;
int semDepth=0;
int ampersandStyle;
int height; /* MR11 */
int equal_height; /* MR11 */
char* pFirstSetSymbol = NULL; /* MR21 */
_retv = NULL;
if ( (setwd6[LA(1)]&0x8) ) {
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==LABEL) ) {
label = element_label();
}
else {
if ( (setwd6[LA(1)]&0x10) ) {
}
else {zzFAIL(1,zzerr28,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
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 = old_not;
if ( label!=NULL ) {
p->el_label = label->str;
label->elem = (Node *)p;
}
}
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==119) ) {
zzmatch(119); 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,zzerr29,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
}
else {
if ( (setwd6[LA(1)]&0x20) ) {
}
else {zzFAIL(1,zzerr30,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if ( p!=NULL && (p->upper_range!=0 || p->tclass || old_not) )
list_add(&MetaTokenNodes, (void *)p);
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==125) ) {
zzmatch(125);
if ( p!=NULL ) p->astnode=ASTroot;
zzCONSUME;
}
else {
if ( (setwd6[LA(1)]&0x40) ) {
if ( p!=NULL ) p->astnode=ASTchild;
}
else {
if ( (LA(1)==103) ) {
zzmatch(103);
if ( p!=NULL ) p->astnode=ASTexclude;
zzCONSUME;
}
else {zzFAIL(1,zzerr31,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==88) ) {
zzmatch(88);
local_use_def_MT_handler = 1;
zzCONSUME;
}
else {
if ( (setwd6[LA(1)]&0x80) ) {
}
else {zzFAIL(1,zzerr32,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if ( p!=NULL && first_on_line ) {
CurAltStart = (Junction *)zzaRet.left;
altAdd(CurAltStart); /* MR7 */
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 = old_not;
if ( label!=NULL ) {
p->el_label = label->str;
label->elem = (Node *)p;
}
}
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==119) ) {
zzmatch(119); 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,zzerr33,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
}
else {
if ( (setwd7[LA(1)]&0x1) ) {
}
else {zzFAIL(1,zzerr34,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==125) ) {
zzmatch(125);
if ( p!=NULL ) p->astnode=ASTroot;
zzCONSUME;
}
else {
if ( (setwd7[LA(1)]&0x2) ) {
if ( p!=NULL ) p->astnode=ASTchild;
}
else {
if ( (LA(1)==103) ) {
zzmatch(103);
if ( p!=NULL ) p->astnode=ASTexclude;
zzCONSUME;
}
else {zzFAIL(1,zzerr35,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==88) ) {
zzmatch(88);
local_use_def_MT_handler = 1;
zzCONSUME;
}
else {
if ( (setwd7[LA(1)]&0x4) ) {
}
else {zzFAIL(1,zzerr36,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if ( p!=NULL && (p->upper_range!=0 || p->tclass || old_not) )
list_add(&MetaTokenNodes, (void *)p);
if ( first_on_line ) {
CurAltStart = (Junction *)zzaRet.left;
altAdd(CurAltStart); /* MR7 */
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 ( old_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)==125) ) {
zzmatch(125);
p->astnode=ASTroot;
zzCONSUME;
}
else {
if ( (setwd7[LA(1)]&0x8) ) {
p->astnode=ASTchild;
}
else {
if ( (LA(1)==103) ) {
zzmatch(103);
p->astnode=ASTexclude;
zzCONSUME;
}
else {zzFAIL(1,zzerr37,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
list_add(&MetaTokenNodes, (void *)p);
if ( first_on_line ) {
CurAltStart = (Junction *)zzaRet.left;
altAdd(CurAltStart); /* MR7 */
p->altstart = CurAltStart;
if ( label!=NULL ) {
p->el_label = label->str;
label->elem = (Node *)p;
}
}
_retv = (Node *)p;
}
else {
if ( (LA(1)==NonTerminal) ) {
if ( old_not ) warn("~ NONTERMINAL is an undefined operation");
zzmatch(NonTerminal);
zzaRet = buildRuleRef(LATEXT(1));
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==103) ) {
zzmatch(103);
q = (RuleRefNode *) ((Junction *)zzaRet.left)->p1;
q->astnode=ASTexclude;
zzCONSUME;
}
else {
if ( (setwd7[LA(1)]&0x10) ) {
}
else {zzFAIL(1,zzerr38,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (setwd7[LA(1)]&0x20) ) {
{
zzBLOCK(zztasp4);
zzMake0;
{
if ( (LA(1)==104) ) {
zzmatch(104); zzCONSUME;
}
else {
if ( (LA(1)==PassAction) ) {
}
else {zzFAIL(1,zzerr39,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
zzmatch(PassAction);
addParm(((Junction *)zzaRet.left)->p1, LATEXT(1));
zzCONSUME;
}
else {
if ( (setwd7[LA(1)]&0x40) ) {
}
else {zzFAIL(1,zzerr40,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
rr=(RuleRefNode *) ((Junction *)zzaRet.left)->p1;
{
zzBLOCK(zztasp3);
zzMake0;
{
char *a;
if ( (LA(1)==105) ) {
zzmatch(105); 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;
}
else {
if ( (setwd7[LA(1)]&0x80) ) {
}
else {zzFAIL(1,zzerr41,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
if ( label!=NULL ) {
rr->el_label = label->str;
label->elem = (Node *)rr;
}
if ( first_on_line ) {
CurAltStart = (Junction *)zzaRet.left;
altAdd(CurAltStart); /* MR7 */
((RuleRefNode *)((Junction *)zzaRet.left)->p1)->altstart = CurAltStart;
}
_retv = (Node *)rr;
}
else {zzFAIL(1,zzerr42,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
}
zzEXIT(zztasp2);
}
}
}
else {
if ( (LA(1)==Action) ) {
if ( old_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 ) { /* MR7 */
CurAltStart = (Junction *)zzaArg(zztasp1,0 ).left; /* MR7 */
altAdd(CurAltStart); /* MR7 */
};
_retv = (Node *) ((Junction *)zzaArg(zztasp1,0 ).left)->p1;
}
else {
if ( (LA(1)==Pred) ) {
if ( old_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;
if (numericActionLabel) { /* MR10 */
list_add(&NumericPredLabels,act); /* MR10 */
numericActionLabel=0; /* MR10 */
}; /* MR10 */
{
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;
}
else {
if ( (setwd8[LA(1)]&0x1) ) {
}
else {zzFAIL(1,zzerr43,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
if ( first_on_line ) { /* MR7 */
CurAltStart = (Junction *)zzaArg(zztasp1,0 ).left; /* MR7 */
altAdd(CurAltStart); /* MR7 */
};
_retv = (Node *)act;
}
else {
if ( (setwd8[LA(1)]&0x2) ) {
if ( old_not ) warn("~ BLOCK is an undefined operation");
BlkLevel++;
if (BlkLevel >= MAX_BLK_LEVEL) fatal("Blocks nested too deeply");
/* MR23 */ CurBlockID_array[BlkLevel] = CurBlockID;
/* MR23 */ CurAltNum_array[BlkLevel] = CurAltNum;
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==Pragma) ) {
zzmatch(Pragma); zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==126) ) {
zzmatch(126);
approx=LL_k;
zzCONSUME;
}
else {
if ( (LA(1)==127) ) {
zzmatch(127);
approx = 1;
zzCONSUME;
}
else {
if ( (LA(1)==128) ) {
zzmatch(128);
approx = 2;
zzCONSUME;
}
else {zzFAIL(1,zzerr44,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
}
else {
if ( (setwd8[LA(1)]&0x4) ) {
}
else {zzFAIL(1,zzerr45,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==FirstSetSymbol) ) {
zzmatch(FirstSetSymbol); zzCONSUME;
zzmatch(114); zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==NonTerminal) ) {
zzmatch(NonTerminal);
/* MR21 */ pFirstSetSymbol = (char *) calloc(strlen(LATEXT(1))+1,
/* MR21 */ sizeof(char));
/* MR21 */ require(pFirstSetSymbol!=NULL,
/* MR21 */ "cannot allocate first set name");
/* MR21 */ strcpy(pFirstSetSymbol, LATEXT(1));
/* MR21 */
zzCONSUME;
}
else {
if ( (LA(1)==TokenTerm) ) {
zzmatch(TokenTerm);
/* MR21 */ pFirstSetSymbol = (char *) calloc(strlen(LATEXT(1))+1,
/* MR21 */ sizeof(char));
/* MR21 */ require(pFirstSetSymbol!=NULL,
/* MR21 */ "cannot allocate first set name");
/* MR21 */ strcpy(pFirstSetSymbol, LATEXT(1));
/* MR21 */
zzCONSUME;
}
else {zzFAIL(1,zzerr46,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
zzmatch(115); zzCONSUME;
}
else {
if ( (setwd8[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr47,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==114) ) {
zzmatch(114); zzCONSUME;
block( &toksrefd,&rulesrefd );
zzmatch(115);
blk = zzaRet = zzaArg(zztasp2,2);
/* MR23 */ CurBlockID_array[BlkLevel] = (-1);
/* MR23 */ CurAltNum_array[BlkLevel] = (-1);
--BlkLevel;
zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==129) ) {
zzmatch(129);
zzaRet = makeLoop(zzaRet,approx,pFirstSetSymbol);
zzCONSUME;
}
else {
if ( (LA(1)==130) ) {
zzmatch(130);
zzaRet = makePlus(zzaRet,approx,pFirstSetSymbol);
zzCONSUME;
}
else {
if ( (LA(1)==131) ) {
zzmatch(131); zzCONSUME;
{
zzBLOCK(zztasp4);
zzMake0;
{
if ( (setwd8[LA(1)]&0x10) ) {
{
zzBLOCK(zztasp5);
zzMake0;
{
if ( (LA(1)==132) ) {
zzmatch(132);
ampersandStyle=0;
zzCONSUME;
}
else {
if ( (LA(1)==113) ) {
zzmatch(113);
ampersandStyle=1;
zzCONSUME;
}
else {zzFAIL(1,zzerr48,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp5);
}
}
zzmatch(Pred);
zzaRet = buildAction(LATEXT(1),action_file,action_line,1);
zzCONSUME;
act = (ActionNode *) ((Junction *)zzaRet.left)->p1;
semDepth=predicateLookaheadDepth(act);
if (numericActionLabel) { /* MR10 */
list_add(&NumericPredLabels,act); /* MR10 */
numericActionLabel=0; /* MR10 */
}; /* MR10 */
{
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;
}
else {
if ( (setwd8[LA(1)]&0x20) ) {
}
else {zzFAIL(1,zzerr49,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp5);
}
}
if ( first_on_line) { /* MR7 */
CurAltStart=(Junction *)zzaRet.left; /* MR7 */
altAdd(CurAltStart); /* MR7 */
};
_retv = (Node *)act;
pred = computePredFromContextGuard(blk,&predMsgDone); /* MR10 */
if ( pred==NULL) { /* MR10 */
if ( !predMsgDone) err("invalid or missing context guard"); /* MR10 */
predMsgDone=1; /* MR10 */
} else { /* MR10 */
act->guardNodes=(Junction *)blk.left; /* MR11 */
pred->expr = act->action;
pred->source = act;
/* MR10 */ pred->ampersandStyle = ampersandStyle; /* 0 means (g)? => ... 1 means (g)? && ... */
/* MR13 */ if (pred->tcontext != NULL) {
/* MR13 */ height=MR_max_height_of_tree(pred->tcontext);
/* MR13 */ equal_height=MR_all_leaves_same_height(pred->tcontext,height);
/* MR13 */ if (! equal_height) {
/* MR13 */ errFL("in guarded predicates all tokens in the guard must be at the same height",
/* MR13 */ FileStr[act->file],act->line);
/* MR13 */ };
/* MR13 */ }
/* MR10 */ if (ampersandStyle) {
/* MR10 */ act->ampersandPred = pred;
/* MR11 */ if (! HoistPredicateContext) {
/* MR11 */ errFL("without \"-prc on\" (guard)? && <<pred>>? ... doesn't make sense",
/* MR11 */ FileStr[act->file],act->line);
/* MR11 */ };
/* MR10 */ } else {
/* MR10 */ act->guardpred = pred;
/* MR10 */ };
/* MR10 */ if (pred->k != semDepth) {
/* MR10 */ warn(eMsgd2("length of guard (%d) does not match the length of semantic predicate (%d)",
/* MR10 */ pred->k,semDepth));
/* MR10 */ };
}
}
else {
if ( (setwd8[LA(1)]&0x40) ) {
zzaRet = makeBlk(zzaRet,approx,pFirstSetSymbol);
FoundGuessBlk = 1;
((Junction *) ((Junction *)zzaRet.left)->p1)->guess=1;
if ( ! first_on_line ) {
err("(...)? predicate must be first element of production");
}
}
else {zzFAIL(1,zzerr50,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
}
else {
if ( (setwd8[LA(1)]&0x80) ) {
zzaRet = makeBlk(zzaRet,approx,pFirstSetSymbol);
}
else {zzFAIL(1,zzerr51,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
}
zzEXIT(zztasp3);
}
}
if ( pred==NULL && !predMsgDone) { /* MR10 */
((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 ) { /* MR7 */
CurAltStart = (Junction *)((Junction *)((Junction *)zzaRet.left)->p1); /* MR7 */
altAdd(CurAltStart); /* MR7 */
}; /* MR7 */
_retv = (Node *) ((Junction *)zzaRet.left)->p1;
}
}
else {
if ( (LA(1)==102) ) {
zzmatch(102); zzCONSUME;
block( &toksrefd,&rulesrefd );
zzaRet = makeOpt(zzaArg(zztasp2,2),approx,pFirstSetSymbol);
/* MR23 */ CurBlockID_array[BlkLevel] = (-1);
/* MR23 */ CurAltNum_array[BlkLevel] = (-1);
--BlkLevel;
zzmatch(98);
((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 ) { /* MR7 */
CurAltStart = (Junction *) ((Junction *)((Junction *)zzaRet.left)->p1); /* MR7 */
altAdd(CurAltStart); /* MR7 */
};
_retv = (Node *) ((Junction *)zzaRet.left)->p1;
}
else {zzFAIL(1,zzerr52,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
}
else {
if ( (LA(1)==129) ) {
zzmatch(129);
warn("don't you want a ')' with that '*'?"); CannotContinue=TRUE;
zzCONSUME;
}
else {
if ( (LA(1)==130) ) {
zzmatch(130);
warn("don't you want a ')' with that '+'?"); CannotContinue=TRUE;
zzCONSUME;
}
else {
if ( (LA(1)==105) ) {
zzmatch(105);
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,zzerr53,&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(setwd9, 0x1);
return _retv;
}
}
void
#ifdef __USE_PROTOS
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(setwd9, 0x2);
}
}
ExceptionGroup *
#ifdef __USE_PROTOS
exception_group(void)
#else
exception_group()
#endif
{
ExceptionGroup * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(ExceptionGroup * ))
zzMake0;
{
ExceptionHandler *h; LabelEntry *label=NULL; /* MR6 */
FoundException = 1; FoundExceptionGroup = 1;
zzmatch(133);
_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;
}
else {
if ( (setwd9[LA(1)]&0x4) ) {
}
else {zzFAIL(1,zzerr54,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==135) ) {
h = exception_handler();
list_add(&(_retv->handlers), (void *)h);
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==134) ) {
zzmatch(134); zzCONSUME;
zzmatch(106); 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;
}
else {
if ( (setwd9[LA(1)]&0x8) ) {
}
else {zzFAIL(1,zzerr55,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
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 */
/* MR6 */ if (label->elem == NULL) {
/* MR6 */ err(eMsg1("reference in exception handler to undefined label '%s'",label->str));
/* MR6 */ } else {
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;
}
} /* end switch */
/* MR6 */ }; /* end test on label->elem */
} /* end test on label->ex_group */
} /* end test on exception label */
/* MR7 */
/* MR7 */ if (BlkLevel == 1 && label == NULL) {
/* MR7 */ _retv->forRule=1;
/* MR7 */ } else if (label == NULL) {
/* MR7 */ _retv->altID = makeAltID(CurBlockID_array[BlkLevel], CurAltNum_array[BlkLevel]);
/* MR7 */ egAdd(_retv);
/* MR7 */ } else {
/* MR7 */ _retv->labelEntry=label;
/* MR7 */ };
/* MR7 */
/* MR7 */ /* You may want to remove this exc from the rule list */
/* MR7 */ /* and handle at the labeled element site. */
/* MR7 */
/* MR7 */ if (label != NULL) {
/* MR7 */ _retv = NULL;
/* MR7 */ };
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd9, 0x10);
return _retv;
}
}
ExceptionHandler *
#ifdef __USE_PROTOS
exception_handler(void)
#else
exception_handler()
#endif
{
ExceptionHandler * _retv;
zzRULE;
zzBLOCK(zztasp1);
PCCTS_PURIFY(_retv,sizeof(ExceptionHandler * ))
zzMake0;
{
;
zzmatch(135);
_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,zzerr56,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
zzmatch(106); 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;
}
else {
if ( (setwd9[LA(1)]&0x20) ) {
}
else {zzFAIL(1,zzerr57,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
zzEXIT(zztasp1);
return _retv;
fail:
zzEXIT(zztasp1);
CannotContinue=TRUE;
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd9, 0x40);
return _retv;
}
}
void
#ifdef __USE_PROTOS
enum_file(char * fname)
#else
enum_file(fname)
char *fname ;
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
if ( (setwd9[LA(1)]&0x80) ) {
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==143) ) {
zzmatch(143); zzCONSUME;
zzmatch(ID); zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==149) ) {
zzmatch(149); zzCONSUME;
zzmatch(ID); zzCONSUME;
}
else {
if ( (setwd10[LA(1)]&0x1) ) {
}
else {zzFAIL(1,zzerr58,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp3);
}
}
}
else {
if ( (setwd10[LA(1)]&0x2) ) {
}
else {zzFAIL(1,zzerr59,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==151) ) {
{
zzBLOCK(zztasp3);
int zzcnt=1;
zzMake0;
{
do {
enum_def( fname );
zzLOOP(zztasp3);
} while ( (LA(1)==151) );
zzEXIT(zztasp3);
}
}
}
else {
if ( (LA(1)==149) ) {
defines( fname );
}
else {zzFAIL(1,zzerr60,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
}
else {
if ( (LA(1)==Eof) ) {
}
else {zzFAIL(1,zzerr61,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd10, 0x4);
}
}
void
#ifdef __USE_PROTOS
defines(char * fname)
#else
defines(fname)
char *fname ;
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
int v; int maxt=(-1); char *t;
{
zzBLOCK(zztasp2);
int zzcnt=1;
zzMake0;
{
do {
zzmatch(149); zzCONSUME;
zzmatch(ID);
t = mystrdup(LATEXT(1));
zzCONSUME;
zzmatch(INT);
v = atoi(LATEXT(1));
/* fprintf(stderr, "#token %s=%d\n", t, v);*/
/* MR2 Andreas Magnusson (Andreas.Magnusson@mailbox.swipnet.se) */
/* MR2 Fix to bug introduced by 1.33MR1 for #tokdefs */
/* MR2 Don't let #tokdefs be confused by */
/* MR2 DLGminToken and DLGmaxToken */
if ( ! isDLGmaxToken(t)) { /* MR2 */
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)==149) );
zzEXIT(zztasp2);
}
}
TokenNum = maxt + 1;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd10, 0x8);
}
}
void
#ifdef __USE_PROTOS
enum_def(char * fname)
#else
enum_def(fname)
char *fname ;
#endif
{
zzRULE;
zzBLOCK(zztasp1);
zzMake0;
{
int v= 0; int maxt=(-1); char *t;
zzmatch(151); zzCONSUME;
zzmatch(ID); zzCONSUME;
zzmatch(152); zzCONSUME;
zzmatch(ID);
t = mystrdup(LATEXT(1));
zzCONSUME;
{
zzBLOCK(zztasp2);
zzMake0;
{
if ( (LA(1)==153) ) {
zzmatch(153); zzCONSUME;
zzmatch(INT);
v=atoi(LATEXT(1));
zzCONSUME;
}
else {
if ( (setwd10[LA(1)]&0x10) ) {
v++;
}
else {zzFAIL(1,zzerr62,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp2);
}
}
/* fprintf(stderr, "#token %s=%d\n", t, v);*/
TokenNum = v;
if ( v>maxt ) maxt=v; /* MR3 */
if ( Tnum( t ) == 0 ) addForcedTname( t, v );
else {
warnFL(eMsg1("redefinition of token %s; ignored",t), fname,zzline);
}
{
zzBLOCK(zztasp2);
zzMake0;
{
while ( (LA(1)==154) ) {
zzmatch(154); zzCONSUME;
{
zzBLOCK(zztasp3);
zzMake0;
{
if ( (LA(1)==ID)&&(isDLGmaxToken(LATEXT(1))) ) {
if (!(isDLGmaxToken(LATEXT(1))) ) {zzfailed_pred(" isDLGmaxToken(LATEXT(1))",0 /* report */, { 0; /* no user action */ } );}
zzmatch(ID); zzCONSUME;
{
zzBLOCK(zztasp4);
zzMake0;
{
if ( (LA(1)==153) ) {
zzmatch(153); zzCONSUME;
zzmatch(INT); zzCONSUME;
}
else {
if ( (setwd10[LA(1)]&0x20) ) {
}
else {zzFAIL(1,zzerr63,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
}
else {
if ( (LA(1)==ID) ) {
zzmatch(ID);
t = mystrdup(LATEXT(1));
zzCONSUME;
{
zzBLOCK(zztasp4);
zzMake0;
{
if ( (LA(1)==153) ) {
zzmatch(153); zzCONSUME;
zzmatch(INT);
v=atoi(LATEXT(1));
zzCONSUME;
}
else {
if ( (setwd10[LA(1)]&0x40) ) {
v++;
}
else {zzFAIL(1,zzerr64,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
zzEXIT(zztasp4);
}
}
/* fprintf(stderr, "#token %s=%d\n", t, v);*/
TokenNum = v;
if ( v>maxt ) maxt=v; /* MR3 */
if ( Tnum( t ) == 0 ) addForcedTname( t, v );
else {
warnFL(eMsg1("redefinition of token %s; ignored",t), fname,zzline);
}
}
else {
if ( (setwd10[LA(1)]&0x80) ) {
}
else {zzFAIL(1,zzerr65,&zzMissSet,&zzMissText,&zzBadTok,&zzBadText,&zzErrk); goto fail;}
}
}
zzEXIT(zztasp3);
}
}
zzLOOP(zztasp2);
}
zzEXIT(zztasp2);
}
}
zzmatch(155); zzCONSUME;
zzmatch(156);
TokenNum = maxt + 1;
zzCONSUME;
zzEXIT(zztasp1);
return;
fail:
zzEXIT(zztasp1);
zzsyn(zzMissText, zzBadTok, (ANTLRChar *)"", zzMissSet, zzMissTok, zzErrk, zzBadText);
zzresynch(setwd11, 0x1);
}
}
/* MR2 Andreas Magnusson (Andreas.Magnusson@mailbox.swipnet.se) */
/* MR2 Fix to bug introduced by 1.33MR1 for #tokdefs */
/* MR2 Don't let #tokdefs be confused by */
/* MR2 DLGminToken and DLGmaxToken */
/* semantic check on DLGminToken and DLGmaxmaxToken in #tokdefs */
#ifdef __USE_PROTOS
static int isDLGmaxToken(char *Token)
#else
static int isDLGmaxToken(Token)
char * Token;
#endif
{
static char checkStr1[] = "DLGmaxToken";
static char checkStr2[] = "DLGminToken";
if (strcmp(Token, checkStr1) == 0)
return 1;
else if (strcmp(Token, checkStr2) == 0)
return 1;
else
return 0;
}
/* semantics of #token */
static void
#ifdef __USE_PROTOS
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("new token definition '%s' not allowed - only #token with name already defined by #tokdefs file allowed",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 ) {
p = (TermEntry *) hash_get(Tname, t);
if (p == NULL) {
err(eMsg1("new token definition '%s' not allowed - only #token with name already defined by #tokdefs file allowed",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' || *s=='\r' ) /* MR13 */
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 __USE_PROTOS
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");
}
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