package IR.Flat;
import IR.*;
import java.util.*;

public class TempObject {
  ParamsObject params;
  private Vector pointerparams;
  private Vector primitiveparams;
  private MethodDescriptor method;
  private TaskDescriptor task;
  private int tag;
  private Hashtable paramtotemp;
  private Hashtable temptostore;
  private int count;

  public TempObject(ParamsObject p, MethodDescriptor md, int tag) {
    params=p;
    pointerparams=new Vector();
    primitiveparams=new Vector();
    paramtotemp=new Hashtable();
    temptostore=new Hashtable();
    this.method=md;
    this.tag=tag;
    count=0;
  }

  public TempObject(ParamsObject p, TaskDescriptor task, int tag) {
    params=p;
    pointerparams=new Vector();
    primitiveparams=new Vector();
    paramtotemp=new Hashtable();
    temptostore=new Hashtable();
    this.task=task;
    this.tag=tag;
    count=0;
  }

  public void addPtr(TempDescriptor t) {
    if (!params.containsTemp(t)&&!pointerparams.contains(t)) {
      Position p=new Position(true, pointerparams.size());
      pointerparams.add(t);
      paramtotemp.put(new Integer(count++), t);
      temptostore.put(t,p);
    }
  }

  public void addPrim(TempDescriptor t) {
    if (!params.containsTemp(t)&&!primitiveparams.contains(t)) {
      Position p=new Position(false, primitiveparams.size());
      primitiveparams.add(t);
      paramtotemp.put(new Integer(count++), t);
      temptostore.put(t,p);
    }
  }

  public boolean isLocalPtr(TempDescriptor t) {
    if (!params.containsTemp(t)) {
      Position p=(Position)temptostore.get(t);
      return p.inStruct;
    }
    return false;
  }

  public boolean isLocalPrim(TempDescriptor t) {
    if (!params.containsTemp(t)) {
      Position p=(Position)temptostore.get(t);
      return !p.inStruct;
    }
    return false;
  }

  public boolean isParamPtr(TempDescriptor t) {
    return params.isParamPtr(t);
  }

  public boolean isParamPrim(TempDescriptor t) {
    return params.isParamPrim(t);
  }

  int numPointers() {
    return pointerparams.size();
  }

  TempDescriptor getPointer(int i) {
    return (TempDescriptor) pointerparams.get(i);
  }

  int numPrimitives() {
    return primitiveparams.size();
  }

  TempDescriptor getPrimitive(int i) {
    return (TempDescriptor) primitiveparams.get(i);
  }

  static class Position {
    boolean inStruct;
    int position;
    Position(boolean inStruct, int position) {
      this.inStruct=inStruct;
      this.position=position;
    }
  }
}