| /******************************************************************************* |
| * 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 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.jdt.internal.compiler.ast; |
| |
| import org.eclipse.jdt.internal.compiler.flow.FlowContext; |
| import org.eclipse.jdt.internal.compiler.flow.FlowInfo; |
| import org.eclipse.jdt.internal.compiler.impl.*; |
| import org.eclipse.jdt.internal.compiler.lookup.*; |
| |
| public abstract class Literal extends Expression { |
| |
| public Literal(int s, int e) { |
| |
| sourceStart = s; |
| sourceEnd = e; |
| } |
| |
| public FlowInfo analyseCode( |
| BlockScope currentScope, |
| FlowContext flowContext, |
| FlowInfo flowInfo) { |
| |
| return flowInfo; |
| } |
| |
| public abstract void computeConstant(); |
| |
| public abstract TypeBinding literalType(BlockScope scope); |
| |
| public StringBuffer printExpression(int indent, StringBuffer output){ |
| |
| return output.append(source()); |
| } |
| |
| public TypeBinding resolveType(BlockScope scope) { |
| // compute the real value, which must range its type's range |
| this.resolvedType = literalType(scope); |
| |
| // in case of error, constant did remain null |
| computeConstant(); |
| if (constant == null) { |
| scope.problemReporter().constantOutOfRange(this, this.resolvedType); |
| constant = Constant.NotAConstant; |
| } |
| return this.resolvedType; |
| } |
| |
| public abstract char[] source(); |
| } |