Mercurial > hg > Members > kono > jpf-core
view src/main/gov/nasa/jpf/jvm/bytecode/DRETURN.java @ 0:61d41facf527
initial v8 import (history reset)
author | Peter Mehlitz <Peter.C.Mehlitz@nasa.gov> |
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date | Fri, 23 Jan 2015 10:14:01 -0800 |
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/* * Copyright (C) 2014, United States Government, as represented by the * Administrator of the National Aeronautics and Space Administration. * All rights reserved. * * The Java Pathfinder core (jpf-core) platform is licensed under the * Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0. * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package gov.nasa.jpf.jvm.bytecode; import gov.nasa.jpf.vm.StackFrame; import gov.nasa.jpf.vm.ThreadInfo; import gov.nasa.jpf.vm.Types; /** * Return double from method * ..., value => [empty] */ public class DRETURN extends LongReturn { public double getReturnValue() { return Types.longToDouble(ret); } @Override public Object getReturnValue(ThreadInfo ti) { if (!isCompleted(ti)) { // we have to pull it from the operand stack StackFrame frame = ti.getTopFrame(); ret = frame.peekLong(); } return new Double(Types.longToDouble(ret)); } @Override public int getByteCode () { return 0xAF; } @Override public String toString() { return "dreturn " + mi.getFullName(); } @Override public void accept(JVMInstructionVisitor insVisitor) { insVisitor.visit(this); } }