com.ibm.wala.cast.java.ssa.AstJavaInvokeInstruction Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of com.ibm.wala.cast.java Show documentation

T. J. Watson Libraries for Analysis

The newest version!

/*
 * Copyright (c) 2002 - 2006 IBM Corporation.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 */
package com.ibm.wala.cast.java.ssa;

import com.ibm.wala.cast.ir.ssa.FixedParametersInvokeInstruction;
import com.ibm.wala.classLoader.CallSiteReference;
import com.ibm.wala.classLoader.JavaLanguage;
import com.ibm.wala.ssa.SSAInstruction;
import com.ibm.wala.ssa.SSAInstructionFactory;
import com.ibm.wala.ssa.SSAInvokeInstruction;
import com.ibm.wala.types.TypeReference;
import java.util.Collection;

public class AstJavaInvokeInstruction extends FixedParametersInvokeInstruction {

  protected AstJavaInvokeInstruction(
      int iindex, int results[], int[] params, int exception, CallSiteReference site) {
    super(iindex, results, params, exception, site);
  }

  public AstJavaInvokeInstruction(
      int iindex, int result, int[] params, int exception, CallSiteReference site) {
    this(iindex, new int[] {result}, params, exception, site);
    SSAInvokeInstruction.assertParamsKosher(result, params, site);
  }

  /** Constructor InvokeInstruction. This case for void return values */
  public AstJavaInvokeInstruction(int iindex, int[] params, int exception, CallSiteReference site) {
    this(iindex, null, params, exception, site);
  }

  @Override
  protected SSAInstruction copyInstruction(
      SSAInstructionFactory insts, int results[], int[] params, int exception) {
    return ((AstJavaInstructionFactory) insts)
        .JavaInvokeInstruction(iIndex(), results, params, exception, getCallSite());
  }

  @Override
  public void visit(IVisitor v) {
    ((AstJavaInstructionVisitor) v).visitJavaInvoke(this);
  }

  @Override
  public Collection getExceptionTypes() {
    return JavaLanguage.getNullPointerException();
  }

  @Override
  public int hashCode() {
    return (site.hashCode() * 7529) + (exception * 9823);
  }
}