1 /******************************************************************************* 2 * Copyright (c) 2000, 2004 IBM Corporation and others. 3 * All rights reserved. This program and the accompanying materials 4 * are made available under the terms of the Common Public License v1.0 5 * which accompanies this distribution, and is available at 6 * http://www.eclipse.org/legal/cpl-v10.html 7 * 8 * Contributors: 9 * IBM Corporation - initial API and implementation 10 *******************************************************************************/ 11 package org.eclipse.jdt.internal.compiler.ast; 12 13 import org.eclipse.jdt.internal.compiler.ASTVisitor; 14 import org.eclipse.jdt.internal.compiler.lookup.BlockScope; 15 16 public class ExtendedStringLiteral extends StringLiteral { 17 18 /** 19 * Build a string+char literal 20 */ ExtendedStringLiteral(StringLiteral str, CharLiteral character)21 public ExtendedStringLiteral(StringLiteral str, CharLiteral character) { 22 23 super(str.source, str.sourceStart, str.sourceEnd); 24 extendWith(character); 25 } 26 27 /** 28 * Build a two-strings literal 29 * */ ExtendedStringLiteral(StringLiteral str1, StringLiteral str2)30 public ExtendedStringLiteral(StringLiteral str1, StringLiteral str2) { 31 32 super(str1.source, str1.sourceStart, str1.sourceEnd); 33 extendWith(str2); 34 } 35 36 /** 37 * Add the lit source to mine, just as if it was mine 38 */ extendWith(CharLiteral lit)39 public ExtendedStringLiteral extendWith(CharLiteral lit) { 40 41 //update the source 42 int length = source.length; 43 System.arraycopy(source, 0, (source = new char[length + 1]), 0, length); 44 source[length] = lit.value; 45 //position at the end of all literals 46 sourceEnd = lit.sourceEnd; 47 return this; 48 } 49 50 /** 51 * Add the lit source to mine, just as if it was mine 52 */ extendWith(StringLiteral lit)53 public ExtendedStringLiteral extendWith(StringLiteral lit) { 54 55 //uddate the source 56 int length = source.length; 57 System.arraycopy( 58 source, 59 0, 60 source = new char[length + lit.source.length], 61 0, 62 length); 63 System.arraycopy(lit.source, 0, source, length, lit.source.length); 64 //position at the end of all literals 65 sourceEnd = lit.sourceEnd; 66 return this; 67 } 68 printExpression(int indent, StringBuffer output)69 public StringBuffer printExpression(int indent, StringBuffer output) { 70 71 return output.append("ExtendedStringLiteral{").append(source).append('}'); //$NON-NLS-1$ 72 } 73 traverse(ASTVisitor visitor, BlockScope scope)74 public void traverse(ASTVisitor visitor, BlockScope scope) { 75 76 visitor.visit(this, scope); 77 visitor.endVisit(this, scope); 78 } 79 } 80