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A collection of tests for ANTLR 4 Runtime libraries.

There is a newer version: 4.9.0

/*
 * [The "BSD license"]
 *  Copyright (c) 2015 Terence Parr
 *  Copyright (c) 2015 Sam Harwell
 *  All rights reserved.
 *
 *  Redistribution and use in source and binary forms, with or without
 *  modification, are permitted provided that the following conditions
 *  are met:
 *
 *  1. Redistributions of source code must retain the above copyright
 *     notice, this list of conditions and the following disclaimer.
 *  2. Redistributions in binary form must reproduce the above copyright
 *     notice, this list of conditions and the following disclaimer in the
 *     documentation and/or other materials provided with the distribution.
 *  3. The name of the author may not be used to endorse or promote products
 *     derived from this software without specific prior written permission.
 *
 *  THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 *  IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 *  OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 *  NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 *  DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 *  THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package org.antlr.v4.testgen;

import org.stringtemplate.v4.Interpreter;
import org.stringtemplate.v4.ModelAdaptor;
import org.stringtemplate.v4.ST;
import org.stringtemplate.v4.STGroup;
import org.stringtemplate.v4.misc.STNoSuchPropertyException;

/**
 *
 * @author sam
 */
public class STGroupModelAdaptor implements ModelAdaptor {

	@Override
	public Object getProperty(Interpreter interp, ST self, Object o, Object property, String propertyName) throws STNoSuchPropertyException {
		STGroup group = (STGroup)o;
		if (group.isDictionary(propertyName)) {
			return group.rawGetDictionary(propertyName);
		}

		ST template = group.getInstanceOf(propertyName);
		if (template != null) {
			return template;
		}

		if ("name".equalsIgnoreCase(propertyName)) {
			return group.getName();
		}

		for (STGroup importedGroup : group.getImportedGroups()) {
			Object result = getProperty(interp, self, importedGroup, property, propertyName);
			if (result != null) {
				return result;
			}
		}

		return null;
	}

}