| /* |
| * Copyright 2010 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| package com.google.gwt.dev.jdt; |
| |
| import org.eclipse.jdt.internal.compiler.ASTVisitor; |
| import org.eclipse.jdt.internal.compiler.ast.TypeDeclaration; |
| import org.eclipse.jdt.internal.compiler.lookup.BlockScope; |
| |
| /** |
| * Avoids visiting invalid local types due to compile errors or unreachability. |
| */ |
| public class SafeASTVisitor extends ASTVisitor { |
| |
| @Override |
| public final void endVisit(TypeDeclaration typeDecl, BlockScope scope) { |
| if (typeDecl.binding == null || typeDecl.binding.constantPoolName() == null) { |
| /* |
| * Weird case: if JDT determines that this local class is totally |
| * uninstantiable, it won't bother allocating a local name. |
| */ |
| return; |
| } |
| endVisitValid(typeDecl, scope); |
| } |
| |
| public void endVisitValid(TypeDeclaration typeDecl, BlockScope scope) { |
| super.endVisit(typeDecl, scope); |
| } |
| |
| @Override |
| public final boolean visit(TypeDeclaration typeDecl, BlockScope scope) { |
| if (typeDecl.binding == null || typeDecl.binding.constantPoolName() == null) { |
| /* |
| * Weird case: if JDT determines that this local class is totally |
| * uninstantiable, it won't bother allocating a local name. |
| */ |
| return false; |
| } |
| return visitValid(typeDecl, scope); |
| } |
| |
| public boolean visitValid(TypeDeclaration typeDecl, BlockScope scope) { |
| return super.visit(typeDecl, scope); |
| } |
| } |