| /* |
| * Copyright 2000-2009 JetBrains s.r.o. |
| * |
| * 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.intellij.codeInsight.highlighting; |
| |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.openapi.extensions.Extensions; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import org.jetbrains.annotations.Nullable; |
| |
| /** |
| * @author yole |
| */ |
| public abstract class ReadWriteAccessDetector { |
| public static final ExtensionPointName<ReadWriteAccessDetector> EP_NAME = ExtensionPointName.create("com.intellij.readWriteAccessDetector"); |
| |
| @Nullable |
| public static ReadWriteAccessDetector findDetector(final PsiElement element) { |
| ReadWriteAccessDetector detector = null; |
| for(ReadWriteAccessDetector accessDetector: Extensions.getExtensions(EP_NAME)) { |
| if (accessDetector.isReadWriteAccessible(element)) { |
| detector = accessDetector; |
| break; |
| } |
| } |
| return detector; |
| } |
| |
| public enum Access { Read, Write, ReadWrite } |
| |
| public abstract boolean isReadWriteAccessible(PsiElement element); |
| public abstract boolean isDeclarationWriteAccess(PsiElement element); |
| public abstract Access getReferenceAccess(final PsiElement referencedElement, PsiReference reference); |
| public abstract Access getExpressionAccess(PsiElement expression); |
| } |