EndMacroNode.java

/**
 * Copyright 2012 Tobias Gierke <tobias.gierke@code-sourcery.de>
 *
 * 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 de.codesourcery.jasm16.ast;

import de.codesourcery.jasm16.exceptions.ParseException;
import de.codesourcery.jasm16.lexer.TokenType;
import de.codesourcery.jasm16.parser.IParseContext;

public class EndMacroNode extends ASTNode {

	@Override
	protected ASTNode copySingleNode() {
		return new EndMacroNode();
	}

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

	@Override
	protected ASTNode parseInternal(IParseContext context) throws ParseException 
	{
		mergeWithAllTokensTextRegion(  context.read(TokenType.END_MACRO) );
		if ( ! context.isParsingMacroDefinition() ) {
			context.addCompilationError( "End of macro without ever starting one?",this);
		} else {
			context.setCurrentMacroDefinition( null );
		}
		return this;
	}
}