| /* |
| * 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.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.DUP2_X1; |
| import static org.objectweb.asm.Opcodes.LADD; |
| import static org.objectweb.asm.Opcodes.LAND; |
| import static org.objectweb.asm.Opcodes.LCMP; |
| import static org.objectweb.asm.Opcodes.LCONST_1; |
| import static org.objectweb.asm.Opcodes.LDIV; |
| import static org.objectweb.asm.Opcodes.LMUL; |
| import static org.objectweb.asm.Opcodes.LOR; |
| import static org.objectweb.asm.Opcodes.LREM; |
| import static org.objectweb.asm.Opcodes.LSHL; |
| import static org.objectweb.asm.Opcodes.LSHR; |
| import static org.objectweb.asm.Opcodes.LSUB; |
| import static org.objectweb.asm.Opcodes.LUSHR; |
| import static org.objectweb.asm.Opcodes.LXOR; |
| import static org.objectweb.asm.Opcodes.POP2; |
| |
| public class BinaryLongExpressionHelper extends BinaryExpressionWriter { |
| |
| /** |
| * @since 2.5.0 |
| */ |
| public BinaryLongExpressionHelper(WriterController controller, MethodCaller arraySet, MethodCaller arrayGet) { |
| super(controller, arraySet, arrayGet); |
| } |
| |
| public BinaryLongExpressionHelper(WriterController controller) { |
| this(controller, longArraySet, longArrayGet); |
| } |
| |
| protected void doubleTwoOperands(MethodVisitor mv) { |
| /* |
| since there is no DUP4 we have to do this: |
| DUP2_X1 |
| POP2 |
| DUP2_X1 |
| DUP2_X1 |
| POP2 |
| DUP2_X1 |
| */ |
| mv.visitInsn(DUP2_X1); |
| mv.visitInsn(POP2); |
| mv.visitInsn(DUP2_X1); |
| mv.visitInsn(DUP2_X1); |
| mv.visitInsn(POP2); |
| mv.visitInsn(DUP2_X1); |
| } |
| |
| protected void removeTwoOperands(MethodVisitor mv) { |
| mv.visitInsn(POP2); |
| mv.visitInsn(POP2); |
| } |
| |
| private static final MethodCaller |
| longArrayGet = MethodCaller.newStatic(BytecodeInterface8.class, "lArrayGet"), |
| longArraySet = MethodCaller.newStatic(BytecodeInterface8.class, "lArraySet"); |
| |
| private static final int[] bitOp = { |
| LOR, // BITWISE_OR / PIPE 340 |
| LAND, // BITWISE_AND 341 |
| LXOR, // BIWISE_XOR 342 |
| }; |
| |
| protected int getBitwiseOperationBytecode(int type) { |
| return bitOp[type]; |
| } |
| |
| protected int getCompareCode() { |
| return LCMP; |
| } |
| |
| protected ClassNode getNormalOpResultType() { |
| return ClassHelper.long_TYPE; |
| } |
| |
| private static final int[] shiftOp = { |
| LSHL, // LEFT_SHIFT 280 |
| LSHR, // RIGHT_SHIFT 281 |
| LUSHR // RIGHT_SHIFT_UNSIGNED 282 |
| }; |
| |
| protected int getShiftOperationBytecode(int type) { |
| return shiftOp[type]; |
| } |
| |
| private static final int[] stdOperations = { |
| LADD, // PLUS 200 |
| LSUB, // MINUS 201 |
| LMUL, // MULTIPLY 202 |
| LDIV, // DIV 203 |
| LDIV, // INTDIV 204 |
| LREM, // MOD 203 |
| }; |
| |
| protected int getStandardOperationBytecode(int type) { |
| return stdOperations[type]; |
| } |
| |
| protected void writeMinusMinus(MethodVisitor mv) { |
| mv.visitInsn(LCONST_1); |
| mv.visitInsn(LSUB); |
| } |
| |
| protected void writePlusPlus(MethodVisitor mv) { |
| mv.visitInsn(LCONST_1); |
| mv.visitInsn(LADD); |
| } |
| |
| protected ClassNode getDevisionOpResultType() { |
| return ClassHelper.long_TYPE; |
| } |
| |
| @Override |
| protected boolean supportsDivision() { |
| return true; |
| } |
| } |