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* examples/bddcalc/parser.yxx (actionSeq, varlist): Rewrite as

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left-recursive rules.
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Alexandre Duret-Lutz 2004-07-12 14:03:53 +00:00
parent 4cbc1d8856
commit 7abc2604f3
2 changed files with 16 additions and 11 deletions
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5
buddy/ChangeLog
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@ -1,3 +1,8 @@
2004-07-12 Alexandre Duret-Lutz <adl@src.lip6.fr>
* examples/bddcalc/parser.yxx (actionSeq, varlist): Rewrite as
left-recursive rules.
2004-06-28 Alexandre Duret-Lutz <adl@src.lip6.fr>
Merge BuDDy 2.3.

22
buddy/examples/bddcalc/parser.yxx
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@ -20,7 +20,7 @@
/* Definitions for storing and caching of identifiers */
#define inputTag 0
#define exprTag 1
struct nodeData
{
nodeData(const nodeData &d) { tag=d.tag; name=sdup(d.name); val=d.val; }
@ -39,7 +39,7 @@
int linenum;
bddgbchandler gbcHandler = bdd_default_gbchandler;
/* Prototypes */
void actInit(token *nodes, token *cache);
void actInputs(void);
@ -48,7 +48,7 @@ void actAssign(token *id, token *expr);
void actOpr2(token *res, token *left, token *right, int opr);
void actNot(token *res, token *right);
void actId(token *res, token *id);
void actConst(token *res, int);
void actConst(token *res, int);
void actSize(token *id);
void actDot(token *fname, token *id);
void actAutoreorder(token *times, token *method);
@ -59,7 +59,7 @@ void actForall(token *res, token *var, token *expr);
void actQuantVar2(token *res, token *id, token *list);
void actQuantVar1(token *res, token *id);
void actPrint(token *id);
%}
/*************************************************************************
@ -119,7 +119,7 @@ actions:
;
actionSeq:
action T_semi actionSeq
actionSeq action T_semi
| action T_semi
;
@ -159,7 +159,7 @@ quantifier:
;
varlist:
T_id varlist { actQuantVar2(&$$,&$1,&$2); }
varlist T_id { actQuantVar2(&$$,&$2,&$1); }
| T_id { actQuantVar1(&$$,&$1); }
;
@ -212,7 +212,7 @@ void usage(void)
int main(int ac, char **av)
{
int c;
while ((c=getopt(ac, av, "hg")) != EOF)
{
switch (c)
@ -225,7 +225,7 @@ int main(int ac, char **av)
break;
}
}
if (optind >= ac)
usage();
@ -242,7 +242,7 @@ int main(int ac, char **av)
bdd_printstat();
bdd_done();
return 0;
}
@ -279,7 +279,7 @@ void actInputs(void)
{
if (names.exists((*i).name))
yyerror("Redefinition of input %s", (*i).name);
(*i).val = bdd_ithvar(vnum);
hashData hd((*i).name, 0, &(*i));
names.add(hd);
@ -299,7 +299,7 @@ void actAssign(token *id, token *expr)
{
if (names.exists(id->id))
yyerror("Redefinition of %s", id->id);
nodeData *d = new nodeData(exprTag, sdup(id->id), *expr->bval);
hashData hd(d->name, 0, d);
names.add(hd);