ExitOp.java

/*
 *  This file is part of the Jikes RVM project (http://jikesrvm.org).
 *
 *  This file is licensed to You under the Eclipse Public License (EPL);
 *  You may not use this file except in compliance with the License. You
 *  may obtain a copy of the License at
 *
 *      http://www.opensource.org/licenses/eclipse-1.0.php
 *
 *  See the COPYRIGHT.txt file distributed with this work for information
 *  regarding copyright ownership.
 */
package org.mmtk.harness.lang.pcode;

import org.mmtk.harness.Main;
import org.mmtk.harness.lang.Env;
import org.mmtk.harness.lang.ast.AST;
import org.mmtk.harness.lang.compiler.Register;
import org.mmtk.harness.lang.runtime.StackFrame;

public final class ExitOp extends UnaryOp {

  public ExitOp(AST source, Register status) {
    super(source,"exit",status);
  }

  @Override
  public void exec(Env env) {
    StackFrame frame = env.top();

    int rval = frame.get(operand).getIntValue();
    if (rval == 0) {
      Main.exitWithSuccess();
    }
    Main.exitWithFailure(rval);
  }

}