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

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

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/*
 * 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.Correlation.Literal;
import com.google.gwt.dev.jjs.SourceInfo;

/**
 * Java class literal expression.
 * 
 * NOTE: This class is modeled as if it were a JFieldRef to a field declared in
 * ClassLiteralHolder. That field contains the class object allocation
 * initializer.
 */
public class JClassLiteral extends JLiteral {

    private static SourceInfo addCorrelation(SourceInfo info) {
        info.addCorrelation(info.getCorrelator().by(Literal.CLASS));
        return info;
    }

    private JField field;

    private JType refType;

    public JClassLiteral(SourceInfo sourceInfo, JType type) {
        super(addCorrelation(sourceInfo));
        refType = type;
    }

    /**
     * Returns the field holding my allocated object.
     */
    public JField getField() {
        return field;
    }

    public JType getRefType() {
        return refType;
    }

    public JType getType() {
        return field.getType();
    }

    /**
     * Resolve an external reference during AST stitching.
     */
    public void resolve(JType newType) {
        assert newType.replaces(refType);
        refType = newType;
    }

    /**
     * @param field the field to set
     */
    public void setField(JField field) {
        assert field != null;
        this.field = field;
    }

    public void traverse(JVisitor visitor, Context ctx) {
        if (visitor.visit(this, ctx)) {
        }
        visitor.endVisit(this, ctx);
    }
}