ExtendedStringLiteral.java

/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.wst.jsdt.internal.compiler.ast;

import org.eclipse.wst.jsdt.core.ast.IASTNode;
import org.eclipse.wst.jsdt.core.ast.IExtendedStringLiteral;
import org.eclipse.wst.jsdt.internal.compiler.ASTVisitor;
import org.eclipse.wst.jsdt.internal.compiler.lookup.BlockScope;

public class ExtendedStringLiteral extends StringLiteral implements IExtendedStringLiteral {

	/**
	 * Build a two-strings literal
	 * */
	public ExtendedStringLiteral(StringLiteral str1, StringLiteral str2) {

		super(str1.source, str1.sourceStart, str1.sourceEnd, str1.lineNumber);
		extendWith(str2);
	}

	/**
	 *  Add the lit source to mine, just as if it was mine
	 */
	public ExtendedStringLiteral extendWith(StringLiteral lit) {

		//uddate the source
		int length = source.length;
		System.arraycopy(
			source,
			0,
			source = new char[length + lit.source.length],
			0,
			length);
		System.arraycopy(lit.source, 0, source, length, lit.source.length);
		//position at the end of all literals
		sourceEnd = lit.sourceEnd;
		return this;
	}

	public StringBuffer printExpression(int indent, StringBuffer output) {

		return output.append("ExtendedStringLiteral{").append(source).append('}'); //$NON-NLS-1$
	}

	public void traverse(ASTVisitor visitor, BlockScope scope) {

		visitor.visit(this, scope);
		visitor.endVisit(this, scope);
	}
	public int getASTType() {
		return IASTNode.EXTENDED_STRING_LITERAL;
	
	}
}