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/*
 * Copyright 2010-2013 JetBrains s.r.o.
 *
 * 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 org.jetbrains.k2js.translate.context;

import com.google.dart.compiler.backend.js.ast.JsExpression;
import com.google.dart.compiler.backend.js.ast.JsName;
import org.jetbrains.annotations.NotNull;

public final class TemporaryConstVariable extends TemporaryVariable{
    private boolean initialized = false;

    public TemporaryConstVariable(@NotNull JsName variableName, @NotNull JsExpression assignmentExpression) {
        super(variableName, assignmentExpression);
    }

    @NotNull
    public JsExpression value() {
        if (initialized) {
            return reference();
        }
        initialized = true;
        return assignmentExpression();
    }
}