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Next generation template engine for Java

There is a newer version: 2.1.10

/**
 * Copyright 2013-2016 Guoqiang Chen, Shanghai, China. All rights reserved.
 *
 *   Author: Guoqiang Chen
 *    Email: [email protected]
 *   WebURL: https://github.com/subchen
 *
 * 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 jetbrick.template.parser.ast;

import jetbrick.template.runtime.*;

public abstract class AstExpression extends AstNode {
    protected final Position position;

    public AstExpression(Position position) {
        this.position = position;
    }

    public Position getPosition() {
        return position;
    }

    public abstract Object execute(InterpretContext ctx) throws InterpretException;

    public Class getResultType(ValueStack valueStack, Object object) {
        return object == null ? null : object.getClass();
    }
}