llvm-mirror/utils/Burg/rule.c

char rcsid_rule[] = "$Id$";

#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);
}