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Groovy: A powerful, dynamic language for the JVM
/**
* 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;
/**
* @author Jochen "blackdrag" Theodorou
*/
public class BinaryObjectExpressionHelper extends BinaryExpressionWriter {
private static final MethodCaller arrayGet = MethodCaller.newStatic(BytecodeInterface8.class, "objectArrayGet");
private static final MethodCaller arraySet = MethodCaller.newStatic(BytecodeInterface8.class, "objectArraySet");
// private WriterController controller;
public BinaryObjectExpressionHelper(WriterController controller) {
super(controller);
// this.controller = controller;
}
protected MethodCaller getArrayGetCaller() {
return arrayGet;
}
protected MethodCaller getArraySetCaller() {
return arraySet;
}
// dummy methods
public boolean writePostOrPrefixMethod(int operation, boolean simulate) {
if (simulate) return false;
throw new GroovyBugError("should not reach here");
}
public boolean write(int operation, boolean simulate) {
if (simulate) return false;
throw new GroovyBugError("should not reach here");
}
protected boolean writeDivision(boolean simulate) {
if (simulate) return false;
throw new GroovyBugError("should not reach here");
}
protected int getBitwiseOperationBytecode(int type) {
return -1;
}
protected int getCompareCode() {
return -1;
}
protected ClassNode getNormalOpResultType() {
return null;
}
protected ClassNode getDevisionOpResultType() {
return null;
}
protected int getShiftOperationBytecode(int type) {
return -1;
}
protected int getStandardOperationBytecode(int type) {
return -1;
}
protected void removeTwoOperands(MethodVisitor mv) {}
protected void writePlusPlus(MethodVisitor mv) {}
protected void writeMinusMinus(MethodVisitor mv) {}
protected void doubleTwoOperands(MethodVisitor mv) {}
@Override
protected ClassNode getArrayGetResultType() {
return ClassHelper.OBJECT_TYPE;
}
}