/* bits.c -- manage creation and output of bit sets used by the parser.
*
* SOFTWARE RIGHTS
*
* We reserve no LEGAL rights to the Purdue Compiler Construction Tool
* Set (PCCTS) -- PCCTS is in the public domain. An individual or
* company may do whatever they wish with source code distributed with
* PCCTS or the code generated by PCCTS, including the incorporation of
* PCCTS, or its output, into commerical software.
*
* We encourage users to develop software with PCCTS. However, we do ask
* that credit is given to us for developing PCCTS. By "credit",
* we mean that if you incorporate our source code into one of your
* programs (commercial product, research project, or otherwise) that you
* acknowledge this fact somewhere in the documentation, research report,
* etc... If you like PCCTS and have developed a nice tool with the
* output, please mention that you developed it using PCCTS. In
* addition, we ask that this header remain intact in our source code.
* As long as these guidelines are kept, we expect to continue enhancing
* this system and expect to make other tools available as they are
* completed.
*
* ANTLR 1.33
* Terence Parr
* Parr Research Corporation
* with Purdue University and AHPCRC, University of Minnesota
* 1989-2001
*/
#include <stdio.h>
#include <stdlib.h>
#include <ctype.h>
#include <assert.h>
#include "pcctscfg.h"
#include "set.h"
#include "syn.h"
#include "hash.h"
#include "generic.h"
#include "dlgdef.h"
/* char is only thing that is pretty much always known == 8 bits
* This allows output of antlr (set stuff, anyway) to be androgynous (portable)
*/
typedef unsigned char SetWordType;
#define BitsPerByte 8
#define BitsPerWord BitsPerByte*sizeof(SetWordType)
static SetWordType *setwd = NULL;
int setnum = -1;
int wordnum = 0;
int esetnum = 0;
/* Used to convert native wordsize, which ANTLR uses (via set.c) to manipulate sets,
to bytes that are most portable size-wise.
*/
void
#ifdef __USE_PROTOS
DumpIntAsChars( FILE *f, char *format, unsigned wd )
#else
DumpIntAsChars( f, format, wd )
FILE *f;
char *format;
unsigned wd;
#endif
{
int i;
/* uses max of 32 bit unsigned integer for the moment */
static unsigned long byte_mask[sizeof(unsigned long)] =
{ 0xFF, 0xFF00UL, 0xFF0000UL, 0xFF000000UL }; /* MR20 G. Hobbelt */
/* 0xFF00000000, 0xFF0000000000, 0xFF000000000000, 0xFF00000000000000 };*/
/* for each byte in the word */
assert(sizeof(unsigned) <= 4); /* M20 G. Hobbelt Sanity check */
for (i=0; i<sizeof(unsigned); i++)
{
/* mask out the ith byte and shift down to the first 8 bits */
fprintf(f, format, (wd&byte_mask[i])>>(i*BitsPerByte));
if ( i<sizeof(unsigned)-1) fprintf(f, ",");
}
}
/* Create a new setwd (ignoring [Ep] token on end) */
void
#ifdef __USE_PROTOS
NewSetWd( void )
#else
NewSetWd( )
#endif
{
SetWordType *p;
if ( setwd == NULL )
{
setwd = (SetWordType *) calloc(TokenNum, sizeof(SetWordType));
require(setwd!=NULL, "NewSetWd: cannot alloc set wd\n");
}
for (p = setwd; p<&(setwd[TokenNum]); p++) {*p=0;}
wordnum++;
}
void
#ifdef __USE_PROTOS
DumpSetWd( void )
#else
DumpSetWd( )
#endif
{
if ( GenCC ) DumpSetWdForCC();
else DumpSetWdForC();
}
/* Dump the current setwd to ErrFile. 0..MaxTokenVal */
void
#ifdef __USE_PROTOS
DumpSetWdForC( void )
#else
DumpSetWdForC( )
#endif
{
int i,c=1;
if ( setwd==NULL ) return;
fprintf(DefFile, "extern SetWordType setwd%d[];\n", wordnum);
fprintf(ErrFile,
"SetWordType setwd%d[%d] = {", wordnum, TokenNum-1);
for (i=0; i<TokenNum-1; i++)
{
DAWDLE;
if ( i!=0 ) fprintf(ErrFile, ",");
if ( c == 8 ) {fprintf(ErrFile, "\n\t"); c=1;} else c++;
fprintf(ErrFile, "0x%x", setwd[i]);
}
fprintf(ErrFile, "};\n");
}
/* Dump the current setwd to Parser.C file. 0..MaxTokenVal;
* Only used if -CC on.
*/
void
#ifdef __USE_PROTOS
DumpSetWdForCC( void )
#else
DumpSetWdForCC( )
#endif
{
int i,c=1;
if ( setwd==NULL ) return;
fprintf(Parser_h, "\tstatic SetWordType setwd%d[%d];\n", wordnum, TokenNum-1);
fprintf(Parser_c,
"SetWordType %s::setwd%d[%d] = {", CurrentClassName, wordnum,
TokenNum-1);
for (i=0; i<TokenNum-1; i++)
{
DAWDLE;
if ( i!=0 ) fprintf(Parser_c, ",");
if ( c == 8 ) {fprintf(Parser_c, "\n\t"); c=1;} else c++;
fprintf(Parser_c, "0x%x", setwd[i]);
}
fprintf(Parser_c, "};\n");
}
/* Make a new set. Dump old setwd and create new setwd if current setwd is full */
void
#ifdef __USE_PROTOS
NewSet( void )
#else
NewSet( )
#endif
{
setnum++;
if ( setnum==BitsPerWord ) /* is current setwd full? */
{
DumpSetWd(); NewSetWd(); setnum = 0;
}
}
/* s is a set of tokens. Turn on bit at each token position in set 'setnum' */
void
#ifdef __USE_PROTOS
FillSet( set s )
#else
FillSet( s )
set s;
#endif
{
SetWordType mask=(((unsigned)1)<<setnum);
unsigned int e;
while ( !set_nil(s) )
{
e = set_int(s);
set_rm(e, s);
setwd[e] |= mask;
}
}
/* E r r o r C l a s s S t u f f */
/* compute the FIRST of a rule for the error class stuff */
static set
#ifdef __USE_PROTOS
Efirst( char *rule, ECnode *eclass )
#else
Efirst( rule, eclass )
char *rule;
ECnode *eclass;
#endif
{
set rk, a;
Junction *r;
RuleEntry *q = (RuleEntry *) hash_get(Rname, rule);
if ( q == NULL )
{
warnNoFL(eMsg2("undefined rule '%s' referenced in errclass '%s'; ignored",
rule, TokenString(eclass->tok)));
return empty;
}
r = RulePtr[q->rulenum];
r->end->halt = TRUE; /* don't let reach fall off end of rule here */
rk = empty;
REACH(r, 1, &rk, a);
r->end->halt = FALSE;
return a;
}
/*
* scan the list of tokens/eclasses/nonterminals filling the new eclass
* with the set described by the list. Note that an eclass can be
* quoted to allow spaces etc... However, an eclass must not conflict
* with a reg expr found elsewhere. The reg expr will be taken over
* the eclass name.
*/
static void
#ifdef __USE_PROTOS
doEclass( char *eclass )
#else
doEclass( eclass )
char *eclass;
#endif
{
TermEntry *q;
ECnode *p;
TCnode *tcnode;
ListNode *e;
unsigned int t;
unsigned deg=0;
set a;
require(eclass!=NULL, "doEclass: NULL eset");
p = (ECnode *) eclass;
lexmode(p->lexclass); /* switch to lexclass where errclass is defined */
p->eset = empty;
for (e = (p->elist)->next; e!=NULL; e=e->next)
{
q = NULL; /* MR23 */
if ( islower( *((char *)e->elem) ) ) /* is it a rule ref? (alias FIRST request) */
{
a = Efirst((char *)e->elem, p);
set_orin(&p->eset, a);
deg += set_deg(a);
set_free( a );
continue;
}
else if ( *((char *)e->elem)=='"' )
{
t = 0;
q = (TermEntry *) hash_get(Texpr, (char *) e->elem);
if ( q == NULL )
{
/* if quoted and not an expr look for eclass name */
q = (TermEntry *) hash_get(Tname, *((char **)&(e->elem))=StripQuotes((char *)e->elem));
if ( q != NULL ) t = q->token;
}
else t = q->token;
}
else /* labelled token/eclass/tokclass */
{
q = (TermEntry *) hash_get(Tname, (char *)e->elem);
if ( q != NULL )
{
if ( strcmp((char *)e->elem, TokenString(p->tok))==0 )
{
warnNoFL(eMsg1("self-referential error class '%s'; ignored",
(char *)e->elem));
continue;
}
else
t = q->token;
}
else t=0;
}
if ( t!=0 )
{
if (isTermEntryTokClass(q)) { /* MR23 */
tcnode = q->tclass; /* MR23 */
set_orin(&p->eset, tcnode->tset); /* MR23 */
deg = set_deg(p->eset); /* MR23 */
} /* MR23 */
else {
set_orel(t, &p->eset);
deg++;
}
}
else warnNoFL(eMsg2("undefined token '%s' referenced in errclass '%s'; ignored",
(char *)e->elem, TokenString(p->tok)));
}
p->setdeg = deg;
}
void
#ifdef __USE_PROTOS
ComputeErrorSets( void )
#else
ComputeErrorSets( )
#endif
{
#ifdef __cplusplus
list_apply(eclasses, (void (*)(void *)) doEclass);
#else
#ifdef __USE_PROTOS
list_apply(eclasses, (void (*)(void *)) doEclass);
#else
list_apply(eclasses, doEclass);
#endif
#endif
}
void
#ifdef __USE_PROTOS
ComputeTokSets( void )
#else
ComputeTokSets( )
#endif
{
ListNode *t, *e = NULL, *e1, *e2;
int something_changed;
int i;
TCnode *p;
TermEntry *q, *q1, *q2;
if ( tclasses == NULL ) return;
/* turn lists of token/tokclass references into sets */
for (t = tclasses->next; t!=NULL; t=t->next)
{
p = (TCnode *) t->elem;
/* if wild card, then won't have entries in tclass, assume all_tokens */
if ( p->tok == WildCardToken )
{
p->tset = set_dup(all_tokens);
continue;
}
lexmode(p->lexclass); /* switch to lexclass where tokclass is defined */
p->tset = empty;
/* instantiate all tokens/token_classes into the tset */
for (e = (p->tlist)->next; e!=NULL; e=e->next)
{
char *tokstr;
tokstr = (char *)e->elem;
if ( *tokstr == '"' ) {
q = (TermEntry *) hash_get(Texpr, tokstr);
require(q!=NULL, "ComputeTokSets: no token def");
set_orel(q->token, &p->tset);
} else if (tokstr[0] == '.') {
e1=e->next;
e2=e1->next;
e=e2;
q1= (TermEntry *) hash_get(Tname, (char *)e1->elem);
require(q1!=NULL, "ComputeTokSets: no token def");
q2= (TermEntry *) hash_get(Tname, (char *)e2->elem);
require(q2!=NULL, "ComputeTokSets: no token def");
if (set_el(q1->token,imag_tokens)) {
errNoFL(eMsg2("can't define #tokclass %s using #tokclass or #errclass %s",
TokenString(p->tok),(char *)e1->elem) );
}
if (set_el(q2->token,imag_tokens)) {
errNoFL(eMsg2("can't define #tokclass %s using #tokclass or #errclass %s",
TokenString(p->tok),(char *)e2->elem) );
}
if (q1->token > q2->token) {
errNoFL(eMsg3("for #tokclass %s %s..%s - first token number > second token number",
TokenString(p->tok),(char *)e1->elem,(char *)e2->elem) );
for (i=q2->token; i<=q1->token; i++) { set_orel(i, &p->tset); }
} else {
for (i=q1->token; i<=q2->token; i++) { set_orel(i, &p->tset); }
}
} else {
q = (TermEntry *) hash_get(Tname, tokstr);
require(q!=NULL, "ComputeTokSets: no token def");
set_orel(q->token, &p->tset);
}
}
}
/* Go thru list of tokclasses again looking for tokclasses in sets */
again:
something_changed = 0;
for (t = tclasses->next; t!=NULL; t=t->next)
{
set tcl;
p = (TCnode *) t->elem;
tcl = set_and(p->tset, tokclasses);
if ( !set_nil(tcl) )
{
int tk;
/* replace refs to tokclasses with the associated set of tokens */
something_changed = 1;
while ( !set_nil(tcl) )
{
tk = set_int(tcl); /* grab one of the tok class refs */
set_rm(tk, tcl);
if ( p->tok != tk ) /* tokclass ref to yourself? */
{
q = (TermEntry *) hash_get(Tname, TokenString(tk));
require(q!=NULL, "#tokclass not in hash table");
set_orin(&p->tset, q->tclass->tset);
}
set_rm(tk, p->tset); /* remove ref that we replaced */
}
}
set_free(tcl);
}
if ( something_changed ) goto again;
}
void
#ifdef __USE_PROTOS
DumpRemainingTokSets(void)
#else
DumpRemainingTokSets()
#endif
{
TCnode *p;
ListNode *t;
/* Go thru tclasses (for the last time) and dump the sets not dumped
* during code gen; yes, this is a bogus way to do this, but ComputeTokSets()
* can't dump the defs as the error file and tok file has not been created
* yet etc...
*/
if ( tclasses==NULL ) return;
for (t = tclasses->next; t!=NULL; t=t->next)
{
unsigned e;
p = (TCnode *) t->elem;
if ( p->dumped ) continue;
e = DefErrSet(&(p->tset), 0, TokenString(p->tok));
p->dumped = 1;
p->setnum = e;
}
}
/* replace a subset of an error set with an error class name if a subset is found
* repeat process until no replacements made
*/
void
#ifdef __USE_PROTOS
SubstErrorClass( set *f )
#else
SubstErrorClass( f )
set *f;
#endif
{
int max, done = 0;
ListNode *p;
ECnode *ec, *maxclass = NULL;
set a;
require(f!=NULL, "SubstErrorClass: NULL eset");
if ( eclasses == NULL ) return;
while ( !done )
{
max = 0;
maxclass = NULL;
for (p=eclasses->next; p!=NULL; p=p->next) /* chk all error classes */
{
ec = (ECnode *) p->elem;
if ( ec->setdeg > max )
{
if ( set_sub(ec->eset, *f) || set_equ(ec->eset, *f) )
{maxclass = ec; max=ec->setdeg;}
}
}
if ( maxclass != NULL ) /* if subset found, replace with token */
{
a = set_dif(*f, maxclass->eset);
set_orel((unsigned)maxclass->tok, &a);
set_free(*f);
*f = a;
}
else done = 1;
}
}
int
#ifdef __USE_PROTOS
DefErrSet1(int nilOK, set *f, int subst, char *name )
#else
DefErrSet1(nilOK, f, subst, name )
int nilOK;
set *f;
int subst; /* should be substitute error classes? */
char *name;
#endif
{
if ( GenCC ) return DefErrSetForCC1(nilOK, f, subst, name, "_set");
else return DefErrSetForC1(nilOK, f, subst, name, "_set");
}
int
#ifdef __USE_PROTOS
DefErrSet( set *f, int subst, char *name )
#else
DefErrSet( f, subst, name )
set *f;
int subst; /* should be substitute error classes? */
char *name;
#endif
{
return DefErrSet1(0,f,subst,name);
}
int
#ifdef __USE_PROTOS
DefErrSetWithSuffix(int nilOK, set *f, int subst, char *name, const char* suffix)
#else
DefErrSetWithSuffix(nilOK, f, subst, name, suffix )
int nilOK;
set *f;
int subst; /* should be substitute error classes? */
char *name;
char *suffix;
#endif
{
if ( GenCC ) return DefErrSetForCC1(nilOK, f, subst, name, suffix );
else return DefErrSetForC1(nilOK, f, subst, name, suffix);
}
/* Define a new error set. WARNING...set-implementation dependent.
*/
int
#ifdef __USE_PROTOS
DefErrSetForC1(int nilOK, set *f, int subst, char * name, const char * suffix)
#else
DefErrSetForC1(nilOK, f, subst, name, suffix)
int nilOK; /* MR13 */
set *f;
int subst; /* should be substitute error classes? */
char *name;
const char *suffix;
#endif
{
unsigned *p, *endp;
int e=1;
if (!nilOK) require(!set_nil(*f), "DefErrSetForC1: nil set to dump?");
if ( subst ) SubstErrorClass(f);
p = f->setword;
endp = &(f->setword[f->n]);
esetnum++;
if ( name!=NULL )
fprintf(DefFile, "extern SetWordType %s%s[];\n", name, suffix);
else
fprintf(DefFile, "extern SetWordType zzerr%d[];\n", esetnum);
if ( name!=NULL ) {
fprintf(ErrFile, "SetWordType %s%s[%d] = {",
name,
suffix,
NumWords(TokenNum-1)*sizeof(unsigned));
}
else {
fprintf(ErrFile, "SetWordType zzerr%d[%d] = {",
esetnum,
NumWords(TokenNum-1)*sizeof(unsigned));
}
while ( p < endp )
{
if ( e > 1 ) fprintf(ErrFile, ", ");
DumpIntAsChars(ErrFile, "0x%x", *p++);
if ( e == 3 )
{
DAWDLE;
if ( p < endp ) fprintf(ErrFile, ",");
fprintf(ErrFile, "\n\t");
e=1;
}
else e++;
}
fprintf(ErrFile, "};\n");
return esetnum;
}
int
#ifdef __USE_PROTOS
DefErrSetForC( set *f, int subst, char *name )
#else
DefErrSetForC( f, subst, name )
set *f;
int subst; /* should be substitute error classes? */
char *name;
#endif
{
return DefErrSetForC1(0,f,subst,name, "_set");
}
/* Define a new error set. WARNING...set-implementation dependent;
* Only used when -CC on.
*/
int
#ifdef __USE_PROTOS
DefErrSetForCC1(int nilOK, set *f, int subst, char *name, const char *suffix )
#else
DefErrSetForCC1(nilOK, f, subst, name, suffix )
int nilOK; /* MR13 */
set *f;
int subst; /* should be substitute error classes? */
char *name;
const char *suffix;
#endif
{
unsigned *p, *endp;
int e=1;
if (!nilOK) require(!set_nil(*f), "DefErrSetForCC1: nil set to dump?");
if ( subst ) SubstErrorClass(f);
p = f->setword;
endp = &(f->setword[f->n]);
esetnum++;
if ( name!=NULL ) {
fprintf(Parser_h, "\tstatic SetWordType %s%s[%d];\n", name, suffix,
NumWords(TokenNum-1)*sizeof(unsigned));
fprintf(Parser_c, "SetWordType %s::%s%s[%d] = {",
CurrentClassName,
name,
suffix,
NumWords(TokenNum-1)*sizeof(unsigned));
}
else {
fprintf(Parser_c, "SetWordType %s::err%d[%d] = {",
CurrentClassName,
esetnum,
NumWords(TokenNum-1)*sizeof(unsigned));
fprintf(Parser_h, "\tstatic SetWordType err%d[%d];\n", esetnum,
NumWords(TokenNum-1)*sizeof(unsigned));
}
while ( p < endp )
{
if ( e > 1 ) fprintf(Parser_c, ", ");
DumpIntAsChars(Parser_c, "0x%x", *p++);
if ( e == 3 )
{
if ( p < endp ) fprintf(Parser_c, ",");
fprintf(Parser_c, "\n\t");
e=1;
}
else e++;
}
fprintf(Parser_c, "};\n");
return esetnum;
}
int
#ifdef __USE_PROTOS
DefErrSetForCC( set *f, int subst, char *name )
#else
DefErrSetForCC( f, subst, name )
set *f;
int subst; /* should be substitute error classes? */
char *name;
#endif
{
return DefErrSetForCC1(0,f,subst,name, "_set");
}
void
#ifdef __USE_PROTOS
GenParser_c_Hdr(void)
#else
GenParser_c_Hdr()
#endif
{
int i,j;
TermEntry *te;
char * hasAkaName = NULL; /* MR23 */
hasAkaName = (char *) malloc(TokenNum+1); /* MR23 */
require(hasAkaName!=NULL, "Cannot alloc hasAkaName\n"); /* MR23 */
for (i = 0; i < TokenNum; i++) hasAkaName[i]='0'; /* MR23 */
hasAkaName[TokenNum] = 0; /* MR23 */
fprintf(Parser_c, "/*\n");
fprintf(Parser_c, " * %s: P a r s e r S u p p o r t\n", CurrentClassName);
fprintf(Parser_c, " *\n");
fprintf(Parser_c, " * Generated from:");
for (i=0; i<NumFiles; i++) fprintf(Parser_c, " %s", FileStr[i]);
fprintf(Parser_c, "\n");
fprintf(Parser_c, " *\n");
fprintf(Parser_c, " * Terence Parr, Russell Quong, Will Cohen, and Hank Dietz: 1989-2001\n");
fprintf(Parser_c, " * Parr Research Corporation\n");
fprintf(Parser_c, " * with Purdue University Electrical Engineering\n");
fprintf(Parser_c, " * with AHPCRC, University of Minnesota\n");
fprintf(Parser_c, " * ANTLR Version %s\n", Version);
fprintf(Parser_c, " */\n\n");
if ( FirstAction != NULL ) dumpAction(FirstAction,Parser_c, 0, -1, 0, 1); /* MR11 MR15b */
fprintf(Parser_c, "#define ANTLR_VERSION %s\n", VersionDef);
fprintf(Parser_c, "#include \"pcctscfg.h\"\n");
fprintf(Parser_c, "#include \"pccts_stdio.h\"\n");
fprintf(Parser_c, "#define ANTLR_SUPPORT_CODE\n");
if ( UserTokenDefsFile != NULL )
fprintf(Parser_c, "#include %s\n", UserTokenDefsFile);
else
fprintf(Parser_c, "#include \"%s\"\n", DefFileName);
fprintf(Parser_c, "#include \"%s.h\"\n\n", CurrentClassName);
fprintf(Parser_c, "const ANTLRChar *%s::tokenName(int tok) ", /* MR1 */
CurrentClassName); /* MR1 */
fprintf(Parser_c, " { return _token_tbl[tok]; }\n"); /* MR1 */ /* MR10 */
/* Dump a Parser::tokens for each automaton */
fprintf(Parser_c, "\nconst ANTLRChar *%s::_token_tbl[]={\n",
CurrentClassName); /* MR20 */
fprintf(Parser_c, "\t/* 00 */\t\"Invalid\"");
for (i=1; i<TokenNum-1; i++)
{
DAWDLE;
if ( i == EpToken ) continue;
/* remapped to invalid token? */
if ( TokenInd!=NULL && TokenInd[i]>=LastTokenCounted )
{
fprintf(Parser_c, ",\n\t/* %02d */\t\"invalid\"", i);
continue;
}
if ( TokenString(i) != NULL ) {
te=(TermEntry *) hash_get(Tname,TokenString(i)); /* MR11 */
if (te == NULL || te->akaString == NULL) { /* MR11 */
fprintf(Parser_c, ",\n\t/* %02d */\t\"%s\"", i, TokenString(i));
} else {
hasAkaName[i] = '1'; /* MR23 */
fprintf(Parser_c, ",\n\t/* %02d */\t\"%s\"", i, te->akaString); /* MR11 */
}
}
else
{
/* look in all lexclasses for the reg expr */
for (j=0; j<NumLexClasses; j++)
{
lexmode(j);
if ( ExprString(i) != NULL )
{
fprintf(Parser_c, ",\n\t/* %02d */\t", i);
dumpExpr(Parser_c, ExprString(i));
break;
}
}
if ( j>=NumLexClasses )
{
if ( UserDefdTokens )
{
fprintf(Parser_c, ",\n\t/* %02d */\t\"\"", i);
}
else
fatal_internal(eMsgd("No label or expr for token %d",i));
}
}
}
fprintf(Parser_c, "\n};\n");
/* Build constructors */
fprintf(Parser_c, "\n%s::", CurrentClassName);
fprintf(Parser_c, "%s(ANTLRTokenBuffer *input) : %s(input,%d,%d,%d,%d)\n",
CurrentClassName,
(BaseClassName == NULL ? "ANTLRParser" : BaseClassName),
OutputLL_k,
FoundGuessBlk,
DemandLookahead,
NumWords(TokenNum-1)*sizeof(unsigned));
fprintf(Parser_c, "{\n");
fprintf(Parser_c, "\ttoken_tbl = _token_tbl;\n");
if (TraceGen) {
fprintf(Parser_c, "\ttraceOptionValueDefault=1;\t\t// MR10 turn trace ON\n");
} else {
fprintf(Parser_c, "\ttraceOptionValueDefault=0;\t\t// MR10 turn trace OFF\n");
};
fprintf(Parser_c, "}\n\n");
free ( (void *) hasAkaName);
}
void
#ifdef __USE_PROTOS
GenParser_h_Hdr(void)
#else
GenParser_h_Hdr()
#endif
{
int i;
fprintf(Parser_h, "/*\n");
fprintf(Parser_h, " * %s: P a r s e r H e a d e r \n", CurrentClassName);
fprintf(Parser_h, " *\n");
fprintf(Parser_h, " * Generated from:");
for (i=0; i<NumFiles; i++) fprintf(Parser_h, " %s", FileStr[i]);
fprintf(Parser_h, "\n");
fprintf(Parser_h, " *\n");
fprintf(Parser_h, " * Terence Parr, Russell Quong, Will Cohen, and Hank Dietz: 1989-2001\n");
fprintf(Parser_h, " * Parr Research Corporation\n");
fprintf(Parser_h, " * with Purdue University Electrical Engineering\n");
fprintf(Parser_h, " * with AHPCRC, University of Minnesota\n");
fprintf(Parser_h, " * ANTLR Version %s\n", Version);
fprintf(Parser_h, " */\n\n");
if ( FirstAction != NULL ) dumpAction( FirstAction, Parser_h, 0, -1, 0, 1); /* MR11 MR15b */
fprintf(Parser_h, "#ifndef %s_h\n", CurrentClassName);
fprintf(Parser_h, "#define %s_h\n\n", CurrentClassName);
fprintf(Parser_h, "#ifndef ANTLR_VERSION\n");
fprintf(Parser_h, "#define ANTLR_VERSION %s\n",VersionDef);
fprintf(Parser_h, "#endif\n\n");
if ( GenAST ) fprintf(Parser_h, "class ASTBase;\n");
if (TraceGen) {
fprintf(Parser_h,"#ifndef zzTRACE_RULES\n"); /* MR20 */
fprintf(Parser_h,"#define zzTRACE_RULES\n"); /* MR20 */
fprintf(Parser_h,"#endif\n"); /* MR22 */
};
fprintf(Parser_h, "#include \"%s\"\n\n", APARSER_H);
if ( HdrAction != NULL ) dumpAction( HdrAction, Parser_h, 0, -1, 0, 1);
/* MR10 */ if (ClassDeclStuff == NULL) {
/* MR10 */ fprintf(Parser_h, "class %s : public ANTLRParser {\n", CurrentClassName);
/* MR10 */ } else {
/* MR10 */ fprintf(Parser_h, "class %s %s {\n",CurrentClassName,ClassDeclStuff);
/* MR10 */ };
fprintf(Parser_h, "public:\n"); /* MR1 */
fprintf(Parser_h, "\tstatic const ANTLRChar *tokenName(int tk);\n");/* MR1 */
fprintf(Parser_h, "\tenum { SET_SIZE = %i };\n",TokenNum-1); /* MR21 */
fprintf(Parser_h, "protected:\n");
fprintf(Parser_h, "\tstatic const ANTLRChar *_token_tbl[];\n"); /* MR20 */
fprintf(Parser_h, "private:\n");
}
/* Currently, this is only used in !GenCC mode */
void
#ifdef __USE_PROTOS
GenErrHdr( void )
#else
GenErrHdr( )
#endif
{
int i, j;
TermEntry *te;
fprintf(ErrFile, "/*\n");
fprintf(ErrFile, " * A n t l r S e t s / E r r o r F i l e H e a d e r\n");
fprintf(ErrFile, " *\n");
fprintf(ErrFile, " * Generated from:");
for (i=0; i<NumFiles; i++) fprintf(ErrFile, " %s", FileStr[i]);
fprintf(ErrFile, "\n");
fprintf(ErrFile, " *\n");
fprintf(ErrFile, " * Terence Parr, Russell Quong, Will Cohen, and Hank Dietz: 1989-2001\n");
fprintf(ErrFile, " * Parr Research Corporation\n");
fprintf(ErrFile, " * with Purdue University Electrical Engineering\n");
fprintf(ErrFile, " * With AHPCRC, University of Minnesota\n");
fprintf(ErrFile, " * ANTLR Version %s\n", Version);
fprintf(ErrFile, " */\n\n");
if ( FirstAction != NULL ) dumpAction( FirstAction, ErrFile, 0, -1, 0, 1); /* MR11 MR15b */
fprintf(ErrFile, "#define ANTLR_VERSION %s\n", VersionDef);
fprintf(ErrFile, "#include \"pcctscfg.h\"\n");
fprintf(ErrFile, "#include \"pccts_stdio.h\"\n");
if ( strcmp(ParserName, DefaultParserName)!=0 )
fprintf(ErrFile, "#define %s %s\n", DefaultParserName, ParserName);
if ( strcmp(ParserName, DefaultParserName)!=0 )
fprintf(ErrFile, "#include \"%s\"\n", RemapFileName);
if ( HdrAction != NULL ) dumpAction( HdrAction, ErrFile, 0, -1, 0, 1 );
if ( FoundGuessBlk )
{
fprintf(ErrFile, "#define ZZCAN_GUESS\n");
fprintf(ErrFile, "#include \"pccts_setjmp.h\"\n");
}
if (TraceGen) {
fprintf(ErrFile,"#ifndef zzTRACE_RULES\n"); /* MR20 */
fprintf(ErrFile,"#define zzTRACE_RULES\n"); /* MR20 */
fprintf(ErrFile,"#endif\n"); /* MR22 */
};
if ( OutputLL_k > 1 ) fprintf(ErrFile, "#define LL_K %d\n", OutputLL_k);
#ifdef DUM
if ( LexGen ) fprintf(ErrFile, "#define zzEOF_TOKEN %d\n", (TokenInd!=NULL?TokenInd[EofToken]:EofToken));
#endif
fprintf(ErrFile, "#define zzSET_SIZE %d\n", NumWords(TokenNum-1)*sizeof(unsigned));
if ( DemandLookahead ) fprintf(ErrFile, "#define DEMAND_LOOK\n");
fprintf(ErrFile, "#include \"antlr.h\"\n");
if ( GenAST ) fprintf(ErrFile, "#include \"ast.h\"\n");
if ( UserDefdTokens ) fprintf(ErrFile, "#include %s\n", UserTokenDefsFile);
/* still need this one as it has the func prototypes */
fprintf(ErrFile, "#include \"%s\"\n", DefFileName);
fprintf(ErrFile, "#include \"dlgdef.h\"\n");
fprintf(ErrFile, "#include \"err.h\"\n\n");
/* Dump a zztokens for each automaton */
if ( strcmp(ParserName, DefaultParserName)!=0 )
{
fprintf(ErrFile, "ANTLRChar *%s_zztokens[%d]={\n", ParserName, TokenNum-1);
}
else
{
fprintf(ErrFile, "ANTLRChar *zztokens[%d]={\n", TokenNum-1);
}
fprintf(ErrFile, "\t/* 00 */\t\"Invalid\"");
for (i=1; i<TokenNum-1; i++)
{
DAWDLE;
if ( i == EpToken ) continue;
/* remapped to invalid token? */
if ( TokenInd!=NULL && TokenInd[i]>=LastTokenCounted )
{
fprintf(ErrFile, ",\n\t/* %02d */\t\"invalid\"", i);
continue;
}
if ( TokenString(i) != NULL ) {
te=(TermEntry *) hash_get(Tname,TokenString(i)); /* MR11 */
if (te == NULL || te->akaString == NULL) { /* MR11 */
fprintf(ErrFile, ",\n\t/* %02d */\t\"%s\"", i, TokenString(i));
} else {
fprintf(ErrFile, ",\n\t/* %02d */\t\"%s\"", i, te->akaString); /* MR11 */
}
}
else
{
/* look in all lexclasses for the reg expr */
for (j=0; j<NumLexClasses; j++)
{
lexmode(j);
if ( ExprString(i) != NULL )
{
fprintf(ErrFile, ",\n\t/* %02d */\t", i);
dumpExpr(ErrFile, ExprString(i));
break;
}
}
if ( j>=NumLexClasses )
{
if ( UserDefdTokens )
{
fprintf(ErrFile, ",\n\t/* %02d */\t\"\"", i);
}
else
fatal_internal(eMsgd("No label or expr for token %d",i));
}
}
}
fprintf(ErrFile, "\n};\n");
}
void
#ifdef __USE_PROTOS
dumpExpr( FILE *f, char *e )
#else
dumpExpr( f, e )
FILE *f;
char *e;
#endif
{
while ( *e!='\0' )
{
if ( *e=='\\' && *(e+1)=='\\' )
{putc('\\', f); putc('\\', f); e+=2;}
else if ( *e=='\\' && *(e+1)=='"' )
{putc('\\', f); putc('"', f); e+=2;}
else if ( *e=='\\' ) {putc('\\', f); putc('\\', f); e++;}
else {putc(*e, f); e++;}
}
}
int
#ifdef __USE_PROTOS
isTermEntryTokClass(TermEntry *te)
#else
isTermEntryTokClass(te)
TermEntry *te;
#endif
{
ListNode *t;
TCnode *p;
TermEntry *q;
char *tokstr;
if (tclasses == NULL) return 0;
for (t = tclasses->next; t!=NULL; t=t->next)
{
p = (TCnode *) t->elem;
tokstr = TokenString(p->tok);
lexmode(p->lexclass); /* switch to lexclass where tokclass is defined */
q = (TermEntry *) hash_get(Tname, tokstr);
if (q == te) return 1;
}
return 0;
}
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