dumpcycles.c

本工具提供一个词法分析器和语法分析器的集成开发环境

#include <stdio.h>
#include <ctype.h>
#include "set.h"
#include "syn.h"
#include "hash.h"
#include "generic.h"

#ifdef __cplusplus
#ifndef __STDC__
#define __STDC__
#endif
#endif

void dumpcycles() {

  Cycle         *c;
  CacheEntry    *f;
  ListNode      *p;
  int           i=0;
  int           k;
  int           degree;

  for (k=1; k <= CLL_k; k++) {
    if (Cycles[k] == NULL) continue;

    for (p = Cycles[k]->next; p!=NULL; p=p->next) {
  	  c = (Cycle *) p->elem;
      degree=set_deg(c->cyclicDep);
	  fprintf(stderr,"Cycle %d: (degree %d) %s -->\n", i++, degree, RulePtr[c->croot]->rname);
      fprintf(stderr,"    *self*\n");
      MR_dumpRuleSet(c->cyclicDep);
      fprintf(stderr,"\n");
	  f = (CacheEntry *)
			hash_get(Fcache,Fkey(RulePtr[c->croot]->rname,'o',k));
      if (f == NULL) {
        fprintf(stderr,"    *** FOLLOW(%s) must be in cache but isn't ***\n",
                                         RulePtr[c->croot]->rname);
      };
    };
  };
}

void dumpfostack(int k) {

  int   i=0;
  int   *pi;

  fprintf(stderr,"\n");
  if (FoStack[k] == NULL) {
    fprintf(stderr,"FoStack[%d] is null\n",k);
  };
  if (FoTOS[k] == NULL) {
    fprintf(stderr,"FoTOS[%d] is null\n",k);
  }
  if (FoTOS[k] != NULL && FoStack[k] != NULL) {
    for (pi=FoStack[k]; pi <= FoTOS[k]; pi++) {
      i++;
      fprintf(stderr,"#%d  rule %d  %s\n",i,*pi,RulePtr[*pi]->rname);
    }
  }
}