Java tutorial
/******************************************************************************* * Copyright (c) 2000, 2009 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 * which accompanies this distribution, and is available at * https://www.eclipse.org/legal/epl-2.0/ * * SPDX-License-Identifier: EPL-2.0 * * Contributors: * IBM Corporation - initial API and implementation *******************************************************************************/ package org.eclipse.jdt.internal.compiler.ast; import org.eclipse.jdt.internal.compiler.ASTVisitor; import org.eclipse.jdt.internal.compiler.lookup.BlockScope; public class ExtendedStringLiteral extends StringLiteral { /** * Build a string+char literal */ public ExtendedStringLiteral(StringLiteral str, CharLiteral character) { super(str.source, str.sourceStart, str.sourceEnd, str.lineNumber); extendWith(character); } /** * 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 */ @Override public ExtendedStringLiteral extendWith(CharLiteral lit) { //update the source int length = this.source.length; System.arraycopy(this.source, 0, (this.source = new char[length + 1]), 0, length); this.source[length] = lit.value; //position at the end of all literals this.sourceEnd = lit.sourceEnd; return this; } /** * Add the lit source to mine, just as if it was mine */ @Override public ExtendedStringLiteral extendWith(StringLiteral lit) { //uddate the source int length = this.source.length; System.arraycopy(this.source, 0, this.source = new char[length + lit.source.length], 0, length); System.arraycopy(lit.source, 0, this.source, length, lit.source.length); //position at the end of all literals this.sourceEnd = lit.sourceEnd; return this; } @Override public StringBuffer printExpression(int indent, StringBuffer output) { return output.append("ExtendedStringLiteral{").append(this.source).append('}'); //$NON-NLS-1$ } @Override public void traverse(ASTVisitor visitor, BlockScope scope) { visitor.visit(this, scope); visitor.endVisit(this, scope); } }