com.google.gwt.dev.jjs.ast.JMethodBody.java Source code

Introduction

Here is the source code for com.google.gwt.dev.jjs.ast.JMethodBody.java

Source

/*
 * Copyright 2008 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.dev.jjs.ast;

import com.google.gwt.dev.jjs.SourceInfo;
import com.google.gwt.dev.util.collect.Lists;

import java.util.Collections;
import java.util.Comparator;
import java.util.List;

/**
 * Represents a the body of a method. Can be Java or JSNI.
 */
public class JMethodBody extends JAbstractMethodBody {

    private JBlock block;
    private List<JLocal> locals = Collections.emptyList();

    public JMethodBody(SourceInfo info) {
        super(info);
        block = new JBlock(info);
    }

    /**
     * Adds a local to this method body.
     */
    public void addLocal(JLocal local) {
        locals = Lists.add(locals, local);
    }

    public JBlock getBlock() {
        return block;
    }

    /**
     * Returns this method's local variables.
     */
    public List<JLocal> getLocals() {
        return locals;
    }

    public List<JStatement> getStatements() {
        return block.getStatements();
    }

    @Override
    public boolean isNative() {
        return false;
    }

    /**
     * Removes a local from this method body.
     */
    public void removeLocal(int index) {
        locals = Lists.remove(locals, index);
    }

    /**
     * Sorts this method's locals according to the specified sort.
     */
    public void sortLocals(Comparator<? super JLocal> sort) {
        locals = Lists.sort(locals, sort);
    }

    public void traverse(JVisitor visitor, Context ctx) {
        if (visitor.visit(this, ctx)) {
            locals = visitor.acceptImmutable(locals);
            block = (JBlock) visitor.accept(block);
        }
        visitor.endVisit(this, ctx);
    }
}