pjs/ef/Tools/Burg/rule.c

50 строки
792 B
C

char rcsid_rule[] = "$Id: rule.c,v 1.1 1998-12-17 06:36:49 fur%netscape.com Exp $";
#include "b.h"
#include <stdio.h>
RuleNum max_rule;
int max_erule_num;
struct rule stub_rule;
List rules;
Rule
newRule(delta, erulenum, lhs, pat) DeltaPtr delta; ERuleNum erulenum; NonTerminal lhs; Pattern pat;
{
Rule p;
p = (Rule) zalloc(sizeof(struct rule));
assert(p);
ASSIGNCOST(p->delta, delta);
p->erulenum = erulenum;
if (erulenum > max_erule_num) {
max_erule_num = erulenum;
}
p->num = max_rule++;
p->lhs = lhs;
p->pat = pat;
rules = newList(p, rules);
return p;
}
void
dumpRule(p) Rule p;
{
dumpNonTerminal(p->lhs);
printf(" : ");
dumpPattern(p->pat);
printf(" ");
dumpCost(p->delta);
printf("\n");
}
void
dumpRuleList(l) List l;
{
foreachList((ListFn)dumpRule, l);
}