soot.jimple.internal.AbstractNewArrayExpr Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of soot Show documentation
A Java Optimization Framework
There is a newer version: 4.6.0
package soot.jimple.internal;

/*-
 * #%L
 * Soot - a J*va Optimization Framework
 * %%
 * Copyright (C) 1999 Patrick Lam
 * %%
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation, either version 2.1 of the
 * License, or (at your option) any later version.
 * 
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Lesser Public License for more details.
 * 
 * You should have received a copy of the GNU General Lesser Public
 * License along with this program.  If not, see
 * .
 * #L%
 */

import java.util.ArrayList;
import java.util.List;

import soot.ArrayType;
import soot.Type;
import soot.Unit;
import soot.UnitPrinter;
import soot.Value;
import soot.ValueBox;
import soot.baf.Baf;
import soot.jimple.ConvertToBaf;
import soot.jimple.ExprSwitch;
import soot.jimple.Jimple;
import soot.jimple.JimpleToBafContext;
import soot.jimple.NewArrayExpr;
import soot.util.Switch;

@SuppressWarnings("serial")
public abstract class AbstractNewArrayExpr implements NewArrayExpr, ConvertToBaf {
  Type baseType;
  final ValueBox sizeBox;

  protected AbstractNewArrayExpr(Type type, ValueBox sizeBox) {
    this.baseType = type;
    this.sizeBox = sizeBox;
  }

  public boolean equivTo(Object o) {
    if (o instanceof AbstractNewArrayExpr) {
      AbstractNewArrayExpr ae = (AbstractNewArrayExpr) o;
      return sizeBox.getValue().equivTo(ae.sizeBox.getValue()) && baseType.equals(ae.baseType);
    }
    return false;
  }

  /** Returns a hash code for this object, consistent with structural equality. */
  public int equivHashCode() {
    return sizeBox.getValue().equivHashCode() * 101 + baseType.hashCode() * 17;
  }

  public abstract Object clone();

  public String toString() {
    StringBuffer buffer = new StringBuffer();

    buffer.append(Jimple.NEWARRAY + " (" + getBaseTypeString() + ")");
    buffer.append("[" + sizeBox.getValue().toString() + "]");

    return buffer.toString();
  }

  public void toString(UnitPrinter up) {
    up.literal(Jimple.NEWARRAY);
    up.literal(" ");
    up.literal("(");
    up.type(baseType);
    up.literal(")");
    up.literal("[");
    sizeBox.toString(up);
    up.literal("]");
  }

  private String getBaseTypeString() {
    return baseType.toString();
  }

  public Type getBaseType() {
    return baseType;
  }

  public void setBaseType(Type type) {
    baseType = type;
  }

  public ValueBox getSizeBox() {
    return sizeBox;
  }

  public Value getSize() {
    return sizeBox.getValue();
  }

  public void setSize(Value size) {
    sizeBox.setValue(size);
  }

  @Override
  public final List getUseBoxes() {
    List useBoxes = new ArrayList();

    useBoxes.addAll(sizeBox.getValue().getUseBoxes());
    useBoxes.add(sizeBox);

    return useBoxes;
  }

  public Type getType() {
    if (baseType instanceof ArrayType) {
      return ArrayType.v(((ArrayType) baseType).baseType, ((ArrayType) baseType).numDimensions + 1);
    } else {
      return ArrayType.v(baseType, 1);
    }
  }

  public void apply(Switch sw) {
    ((ExprSwitch) sw).caseNewArrayExpr(this);
  }

  public void convertToBaf(JimpleToBafContext context, List out) {
    ((ConvertToBaf) (getSize())).convertToBaf(context, out);

    Unit u = Baf.v().newNewArrayInst(getBaseType());
    out.add(u);
    u.addAllTagsOf(context.getCurrentUnit());
  }
}