#include <fstream.h>
#include <string.h>
#include <stdio.h>
#include "QuadList.h"
#include "Token.h"
#include "pmglobs.h"
#include "Quad.h"

QuadList::QuadList() {
   Token t1, t2;
   t1.setClass(RESERVED); t1.setValue(0); //RESERVED is same as 0
   t2.setClass(RESERVED); t2.setValue(0);
   Quadruple q;
   q.setQuad(0, t1, t2, 0);
   for (int i=0; i<QLSEGSIZE; i++)
      quadSeg[i]=q;
   next=NULL;
}

void QuadList::display() {
   QuadList* aQuadList;
   int k = 0;

   aQuadList = this;

   cout << endl;
   while ( aQuadList != NULL) {
      cout << "segment = " << endl;
      for (int i = 0; i < QLSEGSIZE; i++) {
         cout << " offset = " << i; cout.width(7);
         aQuadList->quadSeg[i].show();
         cout << endl;
      }  // end of for loop.
      aQuadList = aQuadList->next;
      k++;
   }  // end of while loop.
}

void QuadList::enterQuad(int inx, Quadruple quad) {
   int segment, offset;
   QuadList* p;
   QuadList* q;
   inx--;
   segment=inx / QLSEGSIZE;
   offset=inx % QLSEGSIZE;
   p=this; q=NULL;
   for (int i=0; i<segment; i++) {
      q=p; p=p->next;
   }
   if (p==NULL) {
      p= new QuadList;
      for (int i=0; i<QLSEGSIZE; i++)
         p->quadSeg[i].oper=0;
      q->next=p;
      p->next=NULL;
   }
   p->quadSeg[offset]=quad;
}

void QuadList::repairQuad(int inx, int qnum) {
   int segment, offset;
   QuadList* p;
   inx--;
   segment=inx/QLSEGSIZE;
   offset=inx%QLSEGSIZE;
   p=this;
   for (int i=0; i<segment; i++)
      p=p->next;
   p->quadSeg[offset].result=qnum;
}

void QuadList::adjustQuad(int inx, int locals) {
   int segment, offset;
   QuadList* p;
   inx--;
   segment=inx / QLSEGSIZE;
   offset=inx % QLSEGSIZE;
   p=this;
   for (int i=0; i<segment; i++)
      p=p->next;
   p->quadSeg[offset].opnd1.setValue(locals);

}