+++ /dev/null
-/*******************************************************************************
- * Copyright (c) 2000, 2004 IBM Corporation and others.
- * All rights reserved. This program and the accompanying materials
- * are made available under the terms of the Common Public License v1.0
- * which accompanies this distribution, and is available at
- * http://www.eclipse.org/legal/cpl-v10.html
- *
- * 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.codegen.*;
-import org.eclipse.jdt.internal.compiler.lookup.*;
-
-public class NullLiteral extends MagicLiteral {
-
- static final char[] source = {'n' , 'u' , 'l' , 'l'};
-
- public NullLiteral(int s , int e) {
-
- super(s,e);
- }
-
- public void computeConstant() {
-
- constant = NotAConstant;
- }
-
- /**
- * Code generation for the null literal
- *
- * @param currentScope org.eclipse.jdt.internal.compiler.lookup.BlockScope
- * @param codeStream org.eclipse.jdt.internal.compiler.codegen.CodeStream
- * @param valueRequired boolean
- */
- public void generateCode(BlockScope currentScope, CodeStream codeStream, boolean valueRequired) {
- int pc = codeStream.position;
- if (valueRequired)
- codeStream.aconst_null();
- codeStream.recordPositionsFrom(pc, this.sourceStart);
- }
- public TypeBinding literalType(BlockScope scope) {
- return NullBinding;
- }
-
- /**
- *
- */
- public char[] source() {
- return source;
- }
-
- public void traverse(ASTVisitor visitor, BlockScope scope) {
- visitor.visit(this, scope);
- visitor.endVisit(this, scope);
- }
-}