/* | |
* 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"); | |
} |