| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.codehaus.groovy.classgen.asm; |
| |
| import org.codehaus.groovy.GroovyBugError; |
| import org.codehaus.groovy.ast.ClassHelper; |
| import org.codehaus.groovy.ast.ClassNode; |
| import org.codehaus.groovy.runtime.BytecodeInterface8; |
| import org.objectweb.asm.MethodVisitor; |
| |
| import static org.objectweb.asm.Opcodes.DADD; |
| import static org.objectweb.asm.Opcodes.DCMPG; |
| import static org.objectweb.asm.Opcodes.DCONST_1; |
| import static org.objectweb.asm.Opcodes.DDIV; |
| import static org.objectweb.asm.Opcodes.DMUL; |
| import static org.objectweb.asm.Opcodes.DREM; |
| import static org.objectweb.asm.Opcodes.DSUB; |
| |
| public class BinaryDoubleExpressionHelper extends BinaryLongExpressionHelper { |
| |
| |
| public BinaryDoubleExpressionHelper(WriterController controller) { |
| super(controller, doubleArraySet, doubleArrayGet); |
| } |
| |
| private static final MethodCaller |
| doubleArrayGet = MethodCaller.newStatic(BytecodeInterface8.class, "dArrayGet"), |
| doubleArraySet = MethodCaller.newStatic(BytecodeInterface8.class, "dArraySet"); |
| |
| protected boolean writeBitwiseOp(int op, boolean simulate) { |
| if (!simulate) throw new GroovyBugError("should not reach here"); |
| return false; |
| } |
| |
| protected int getBitwiseOperationBytecode(int op) { |
| return -1; |
| } |
| |
| protected int getCompareCode() { |
| return DCMPG; |
| } |
| |
| protected ClassNode getNormalOpResultType() { |
| return ClassHelper.double_TYPE; |
| } |
| |
| protected boolean writeShiftOp(int type, boolean simulate) { |
| if (!simulate) throw new GroovyBugError("should not reach here"); |
| return false; |
| } |
| |
| protected int getShiftOperationBytecode(int type) { |
| return -1; |
| } |
| |
| private static final int[] stdOperations = { |
| DADD, // PLUS 200 |
| DSUB, // MINUS 201 |
| DMUL, // MULTIPLY 202 |
| DDIV, // DIV 203 |
| DDIV, // INTDIV 204 |
| DREM, // MOD 203 |
| }; |
| |
| protected int getStandardOperationBytecode(int type) { |
| return stdOperations[type]; |
| } |
| |
| protected void writeMinusMinus(MethodVisitor mv) { |
| mv.visitInsn(DCONST_1); |
| mv.visitInsn(DSUB); |
| } |
| |
| protected void writePlusPlus(MethodVisitor mv) { |
| mv.visitInsn(DCONST_1); |
| mv.visitInsn(DADD); |
| } |
| |
| protected ClassNode getDevisionOpResultType() { |
| return ClassHelper.double_TYPE; |
| } |
| |
| @Override |
| protected boolean supportsDivision() { |
| return true; |
| } |
| } |