| /* |
| * 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.psi.impl.statements.expressions; |
| |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiSubstitutor; |
| import com.intellij.psi.util.PsiTreeUtil; |
| import com.intellij.psi.util.TypeConversionUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.plugins.groovy.lang.psi.api.GroovyResolveResult; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.GrConstructorInvocation; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.expressions.GrReferenceExpression; |
| import org.jetbrains.plugins.groovy.lang.psi.api.statements.typedef.GrTypeDefinition; |
| import org.jetbrains.plugins.groovy.lang.psi.impl.GroovyResolveResultImpl; |
| import org.jetbrains.plugins.groovy.lang.psi.util.GrTraitUtil; |
| import org.jetbrains.plugins.groovy.lang.psi.util.PsiUtil; |
| |
| /** |
| * Created by Max Medvedev on 15/06/14 |
| */ |
| public class GrSuperReferenceResolver { |
| @Nullable("null if ref is not 'super' reference") |
| public static GroovyResolveResult[] resolveSuperExpression(@NotNull GrReferenceExpression ref) { |
| GrExpression qualifier = ref.getQualifier(); |
| |
| if (qualifier == null) { |
| final PsiElement parent = ref.getParent(); |
| if (parent instanceof GrConstructorInvocation) { |
| return ((GrConstructorInvocation)parent).multiResolve(false); |
| } |
| PsiClass aClass = PsiUtil.getContextClass(ref); |
| if (aClass != null) { |
| return getSuperClass(aClass); |
| } |
| } |
| else if (qualifier instanceof GrReferenceExpression) { |
| GroovyResolveResult result = ((GrReferenceExpression)qualifier).advancedResolve(); |
| PsiElement resolved = result.getElement(); |
| if (resolved instanceof PsiClass) { |
| PsiClass superClass = (PsiClass)resolved; |
| |
| GrTypeDefinition scopeClass = PsiTreeUtil.getParentOfType(ref, GrTypeDefinition.class, true); |
| if (scopeClass != null && GrTraitUtil.isTrait(superClass) && scopeClass.isInheritor(superClass, false)) { |
| PsiSubstitutor superClassSubstitutor = TypeConversionUtil.getSuperClassSubstitutor(superClass, scopeClass, PsiSubstitutor.EMPTY); |
| return new GroovyResolveResultImpl[]{new GroovyResolveResultImpl(superClass, null, null, superClassSubstitutor, true, true)}; |
| } |
| |
| if (PsiUtil.hasEnclosingInstanceInScope(superClass, ref, false)) { |
| return getSuperClass(superClass); |
| } |
| } |
| } |
| |
| return null; |
| } |
| |
| @NotNull |
| private static GroovyResolveResult[] getSuperClass(@NotNull PsiClass aClass) { |
| PsiClass superClass = aClass.getSuperClass(); |
| if (superClass != null) { |
| PsiSubstitutor superClassSubstitutor = TypeConversionUtil.getSuperClassSubstitutor(superClass, aClass, PsiSubstitutor.EMPTY); |
| return new GroovyResolveResultImpl[]{new GroovyResolveResultImpl(superClass, null, null, superClassSubstitutor, true, true)}; |
| } |
| else { |
| return GroovyResolveResult.EMPTY_ARRAY; //no super class, but the reference is definitely super-reference |
| } |
| } |
| } |