com.google.gwt.jvm.asm.ConstructorDollarMethodVistor.java Source code

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Here is the source code for com.google.gwt.jvm.asm.ConstructorDollarMethodVistor.java

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/* Copyright 2010 Google Inc.
 *
 * 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 com.google.gwt.jvm.asm;

import static com.google.gwt.jvm.asm.GwtClassMunger.isOpcode;

import org.objectweb.asm.MethodVisitor;
import org.objectweb.asm.Opcodes;

/**
 * Change the constructor invocation for any OverlayType$ class.
 */
public class ConstructorDollarMethodVistor extends DelegatingMethodVisitor {

    private final OverlayTypePredicate typePredicate;

    public ConstructorDollarMethodVistor(MethodVisitor delegate, OverlayTypePredicate typePredicate) {
        super(delegate);
        this.typePredicate = typePredicate;
    }

    @Override
    public void visitMethodInsn(int opcode, String owner, String name, String desc) {
        if (isOpcode(opcode, Opcodes.INVOKESPECIAL) && typePredicate.isOverlayDesc(owner)) {
            super.visitMethodInsn(opcode, owner + "$", name, desc);
        } else {
            super.visitMethodInsn(opcode, owner, name, desc);
        }
    }

}