// // Copyright (C) 2006 United States Government as represented by the // Administrator of the National Aeronautics and Space Administration // (NASA). All Rights Reserved. // // This software is distributed under the NASA Open Source Agreement // (NOSA), version 1.3. The NOSA has been approved by the Open Source // Initiative. See the file NOSA-1.3-JPF at the top of the distribution // directory tree for the complete NOSA document. // // THE SUBJECT SOFTWARE IS PROVIDED "AS IS" WITHOUT ANY WARRANTY OF ANY // KIND, EITHER EXPRESSED, IMPLIED, OR STATUTORY, INCLUDING, BUT NOT // LIMITED TO, ANY WARRANTY THAT THE SUBJECT SOFTWARE WILL CONFORM TO // SPECIFICATIONS, ANY IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR // A PARTICULAR PURPOSE, OR FREEDOM FROM INFRINGEMENT, ANY WARRANTY THAT // THE SUBJECT SOFTWARE WILL BE ERROR FREE, OR ANY WARRANTY THAT // DOCUMENTATION, IF PROVIDED, WILL CONFORM TO THE SUBJECT SOFTWARE. // package gov.nasa.jpf.jvm.bytecode; import cmu.conditional.Conditional; import java.util.function.Function; import de.fosd.typechef.featureexpr.FeatureExpr; import gov.nasa.jpf.jvm.JVMInstruction; import gov.nasa.jpf.vm.Instruction; import gov.nasa.jpf.vm.StackFrame; import gov.nasa.jpf.vm.ThreadInfo; /** * Convert float to int * ..., value => ..., result */ public class F2I extends JVMInstruction { public Conditional<Instruction> execute (FeatureExpr ctx, ThreadInfo ti) { StackFrame frame = ti.getModifiableTopFrame(); Conditional<Float> f = frame.popFloat(ctx); frame.push(ctx, f.map(new Function<Float, Integer>() { @Override public Integer apply(Float f) { return (int)f.floatValue(); } })); return getNext(ctx, ti); } public int getByteCode () { return 0x8B; } public void accept(InstructionVisitor insVisitor) { insVisitor.visit(this); } }