/* * Copyright 2013-2017 consulo.io * * 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 consulo.csharp.ide.highlight.check.impl; import java.util.ArrayList; import java.util.List; import javax.annotation.Nonnull; import com.intellij.psi.PsiElement; import com.intellij.psi.PsiFile; import com.intellij.psi.PsiNameIdentifierOwner; import com.intellij.util.ObjectUtil; import com.intellij.util.SmartList; import consulo.annotation.access.RequiredReadAction; import consulo.csharp.ide.highlight.CSharpHighlightContext; import consulo.csharp.ide.highlight.check.CompilerCheck; import consulo.csharp.lang.psi.CSharpElementCompareUtil; import consulo.csharp.lang.psi.CSharpModifier; import consulo.csharp.lang.psi.CSharpPropertyDeclaration; import consulo.csharp.lang.psi.CSharpTypeDeclaration; import consulo.csharp.module.extension.CSharpLanguageVersion; import consulo.dotnet.psi.DotNetLikeMethodDeclaration; import consulo.dotnet.psi.DotNetMemberOwner; import consulo.dotnet.psi.DotNetModifierListOwner; import consulo.dotnet.psi.DotNetNamedElement; import consulo.dotnet.psi.DotNetQualifiedElement; /** * @author VISTALL * @since 10.06.14 */ public class CS0102 extends CompilerCheck<CSharpTypeDeclaration> { @RequiredReadAction @Nonnull @Override public List<CompilerCheckBuilder> check(@Nonnull CSharpLanguageVersion languageVersion, @Nonnull CSharpHighlightContext highlightContext, @Nonnull CSharpTypeDeclaration element) { return doCheck(this, element); } @Nonnull @RequiredReadAction public static List<CompilerCheckBuilder> doCheck(@Nonnull CompilerCheck<? extends DotNetMemberOwner> compilerCheck, @Nonnull DotNetMemberOwner t) { List<CompilerCheckBuilder> results = new SmartList<>(); final DotNetNamedElement[] members = t.getMembers(); List<DotNetNamedElement> duplicateMembers = new ArrayList<>(); for(DotNetNamedElement searchElement : members) { if(!(searchElement instanceof PsiNameIdentifierOwner)) { continue; } String searchName = searchElement.getName(); if(searchName == null) { continue; } for(DotNetNamedElement mayDuplicate : members) { if(searchElement == mayDuplicate) { continue; } if(!(mayDuplicate instanceof PsiNameIdentifierOwner)) { continue; } String targetName = mayDuplicate.getName(); if(searchName.equals(targetName)) { // skip type declarations if partial if(searchElement instanceof CSharpTypeDeclaration && mayDuplicate instanceof CSharpTypeDeclaration && CSharpElementCompareUtil.isEqualWithVirtualImpl(searchElement, mayDuplicate, searchElement) && isPartial(searchElement) && isPartial(mayDuplicate)) { continue; } if(searchElement instanceof CSharpTypeDeclaration && mayDuplicate instanceof CSharpTypeDeclaration && ((CSharpTypeDeclaration) searchElement).getGenericParametersCount() != ((CSharpTypeDeclaration) mayDuplicate).getGenericParametersCount()) { continue; } if(searchElement instanceof DotNetLikeMethodDeclaration && mayDuplicate instanceof DotNetLikeMethodDeclaration && !CSharpElementCompareUtil.isEqualWithVirtualImpl(searchElement, mayDuplicate, searchElement)) { continue; } if(searchElement instanceof CSharpPropertyDeclaration && mayDuplicate instanceof CSharpPropertyDeclaration && !CSharpElementCompareUtil.isEqualWithVirtualImpl(searchElement, mayDuplicate, searchElement)) { continue; } duplicateMembers.add(mayDuplicate); } } } String name = t instanceof PsiFile ? "<global namespace>" : ((DotNetQualifiedElement) t).getPresentableQName(); for(DotNetNamedElement duplicateMember : duplicateMembers) { PsiElement toHighlight = duplicateMember; if(duplicateMember instanceof PsiNameIdentifierOwner) { PsiElement nameIdentifier = ((PsiNameIdentifierOwner) duplicateMember).getNameIdentifier(); toHighlight = ObjectUtil.notNull(nameIdentifier, duplicateMember); } results.add(compilerCheck.newBuilder(toHighlight, name, duplicateMember.getName())); } return results; } private static boolean isPartial(DotNetNamedElement element) { return element instanceof DotNetModifierListOwner && ((DotNetModifierListOwner) element).hasModifier(CSharpModifier.PARTIAL); } }