| /* |
| * 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 com.intellij.psi.impl.source.resolve; |
| |
| import com.intellij.openapi.util.Key; |
| import com.intellij.pom.java.LanguageLevel; |
| import com.intellij.psi.*; |
| import com.intellij.psi.filters.ElementFilter; |
| import com.intellij.psi.infos.CandidateInfo; |
| import com.intellij.psi.scope.ElementClassFilter; |
| import com.intellij.psi.scope.ElementClassHint; |
| import com.intellij.psi.scope.JavaScopeProcessorEvent; |
| import com.intellij.psi.scope.PsiConflictResolver; |
| import com.intellij.psi.scope.PsiScopeProcessor; |
| import com.intellij.psi.scope.conflictResolvers.JavaVariableConflictResolver; |
| import com.intellij.psi.scope.processor.ConflictFilterProcessor; |
| import com.intellij.psi.util.PsiUtil; |
| import com.intellij.util.SmartList; |
| import org.jetbrains.annotations.NotNull; |
| |
| /** |
| * @author ik, dsl |
| */ |
| public class VariableResolverProcessor extends ConflictFilterProcessor implements ElementClassHint { |
| private static final ElementFilter ourFilter = ElementClassFilter.VARIABLE; |
| |
| private boolean myStaticScopeFlag = false; |
| private final PsiClass myAccessClass; |
| private PsiElement myCurrentFileContext = null; |
| |
| public VariableResolverProcessor(@NotNull PsiJavaCodeReferenceElement place, @NotNull PsiFile placeFile) { |
| super(place.getText(), ourFilter, new PsiConflictResolver[]{new JavaVariableConflictResolver()}, new SmartList<CandidateInfo>(), place, placeFile); |
| |
| PsiElement referenceName = place.getReferenceNameElement(); |
| if (referenceName instanceof PsiIdentifier){ |
| setName(referenceName.getText()); |
| } |
| PsiClass access = null; |
| PsiElement qualifier = place.getQualifier(); |
| if (qualifier instanceof PsiExpression) { |
| final JavaResolveResult accessClass = PsiUtil.getAccessObjectClass((PsiExpression)qualifier); |
| final PsiElement element = accessClass.getElement(); |
| if (element instanceof PsiTypeParameter) { |
| PsiElementFactory factory = JavaPsiFacade.getInstance(placeFile.getProject()).getElementFactory(); |
| final PsiClassType type = factory.createType((PsiTypeParameter)element); |
| final PsiType accessType = accessClass.getSubstitutor().substitute(type); |
| if (accessType instanceof PsiArrayType) { |
| LanguageLevel languageLevel = PsiUtil.getLanguageLevel(placeFile); |
| access = factory.getArrayClass(languageLevel); |
| } |
| else if (accessType instanceof PsiClassType) { |
| access = ((PsiClassType)accessType).resolve(); |
| } |
| } |
| else if (element instanceof PsiClass) { |
| access = (PsiClass)element; |
| } |
| } |
| myAccessClass = access; |
| } |
| |
| @Override |
| public final void handleEvent(@NotNull PsiScopeProcessor.Event event, Object associated) { |
| super.handleEvent(event, associated); |
| if(event == JavaScopeProcessorEvent.START_STATIC){ |
| myStaticScopeFlag = true; |
| } |
| else if (JavaScopeProcessorEvent.SET_CURRENT_FILE_CONTEXT.equals(event)) { |
| myCurrentFileContext = (PsiElement)associated; |
| } |
| } |
| |
| @Override |
| public void add(@NotNull PsiElement element, @NotNull PsiSubstitutor substitutor) { |
| final boolean staticProblem = myStaticScopeFlag && !((PsiModifierListOwner)element).hasModifierProperty(PsiModifier.STATIC); |
| add(new CandidateInfo(element, substitutor, myPlace, myAccessClass, staticProblem, myCurrentFileContext)); |
| } |
| |
| |
| @Override |
| public boolean shouldProcess(DeclarationKind kind) { |
| return kind == DeclarationKind.VARIABLE || kind == DeclarationKind.FIELD || kind == DeclarationKind.ENUM_CONST; |
| } |
| |
| @Override |
| public boolean execute(@NotNull PsiElement element, @NotNull ResolveState state) { |
| if (!(element instanceof PsiField) && (myName == null || PsiUtil.checkName(element, myName, myPlace))) { |
| super.execute(element, state); |
| return myResults.isEmpty(); |
| } |
| |
| return super.execute(element, state); |
| } |
| |
| @Override |
| public <T> T getHint(@NotNull Key<T> hintKey) { |
| if (hintKey == ElementClassHint.KEY) { |
| return (T)this; |
| } |
| |
| return super.getHint(hintKey); |
| } |
| } |