| /* |
| * Copyright 2000-2014 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 org.jetbrains.plugins.groovy.lang.resolve; |
| |
| import com.intellij.openapi.extensions.ExtensionPointName; |
| import com.intellij.openapi.progress.ProgressManager; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiType; |
| import com.intellij.psi.ResolveState; |
| import com.intellij.psi.scope.DelegatingScopeProcessor; |
| import com.intellij.psi.scope.PsiScopeProcessor; |
| import com.intellij.psi.util.PsiTypesUtil; |
| import com.intellij.util.containers.MultiMap; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.dsl.GroovyDslFileIndex; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.statements.expressions.ClassUtil; |
| |
| import java.util.Collection; |
| |
| /** |
| * @author peter |
| */ |
| public abstract class NonCodeMembersContributor { |
| public static final ExtensionPointName<NonCodeMembersContributor> EP_NAME = ExtensionPointName.create("org.intellij.groovy.membersContributor"); |
| |
| private static volatile MultiMap<String, NonCodeMembersContributor> ourClassSpecifiedContributors; |
| private static NonCodeMembersContributor[] ourAllTypeContributors; |
| |
| public void processDynamicElements(@NotNull PsiType qualifierType, |
| @NotNull PsiScopeProcessor processor, |
| @NotNull PsiElement place, |
| @NotNull ResolveState state) { |
| throw new RuntimeException("One of two 'processDynamicElements()' methods must be implemented"); |
| } |
| |
| public void processDynamicElements(@NotNull PsiType qualifierType, |
| PsiClass aClass, |
| @NotNull PsiScopeProcessor processor, |
| @NotNull PsiElement place, |
| @NotNull ResolveState state) { |
| processDynamicElements(qualifierType, processor, place, state); |
| } |
| |
| @Nullable |
| protected String getParentClassName() { |
| return null; |
| } |
| |
| private static void ensureInit() { |
| if (ourClassSpecifiedContributors != null) return; |
| |
| MultiMap<String, NonCodeMembersContributor> contributorMap = new MultiMap<String, NonCodeMembersContributor>(); |
| |
| for (final NonCodeMembersContributor contributor : EP_NAME.getExtensions()) { |
| contributorMap.putValue(contributor.getParentClassName(), contributor); |
| } |
| |
| Collection<NonCodeMembersContributor> allTypeContributors = contributorMap.remove(null); |
| ourAllTypeContributors = allTypeContributors.toArray(new NonCodeMembersContributor[allTypeContributors.size()]); |
| ourClassSpecifiedContributors = contributorMap; |
| } |
| |
| public static boolean runContributors(@NotNull PsiType qualifierType, |
| @NotNull PsiScopeProcessor processor, |
| @NotNull PsiElement place, |
| @NotNull ResolveState state) { |
| |
| MyDelegatingScopeProcessor delegatingProcessor = new MyDelegatingScopeProcessor(processor); |
| |
| ensureInit(); |
| |
| final PsiClass aClass = PsiTypesUtil.getPsiClass(qualifierType); |
| |
| if (aClass != null) { |
| for (String superClassName : ClassUtil.getSuperClassesWithCache(aClass).keySet()) { |
| for (NonCodeMembersContributor enhancer : ourClassSpecifiedContributors.get(superClassName)) { |
| ProgressManager.checkCanceled(); |
| enhancer.processDynamicElements(qualifierType, aClass, delegatingProcessor, place, state); |
| if (!delegatingProcessor.wantMore) { |
| return false; |
| } |
| } |
| } |
| } |
| |
| for (NonCodeMembersContributor contributor : ourAllTypeContributors) { |
| ProgressManager.checkCanceled(); |
| contributor.processDynamicElements(qualifierType, aClass, delegatingProcessor, place, state); |
| if (!delegatingProcessor.wantMore) { |
| return false; |
| } |
| } |
| |
| return GroovyDslFileIndex.processExecutors(qualifierType, place, processor, state); |
| } |
| |
| private static class MyDelegatingScopeProcessor extends DelegatingScopeProcessor { |
| public boolean wantMore = true; |
| |
| public MyDelegatingScopeProcessor(PsiScopeProcessor delegate) { |
| super(delegate); |
| } |
| |
| @Override |
| public boolean execute(@NotNull PsiElement element, @NotNull ResolveState state) { |
| if (!wantMore) { |
| return false; |
| } |
| wantMore = super.execute(element, state); |
| return wantMore; |
| } |
| } |
| } |