DuplicateJvmSignatureAnnotator.java

/*
 * Copyright 2010-2015 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.
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package org.jetbrains.kotlin.idea.highlighter;

import com.intellij.lang.annotation.AnnotationHolder;
import com.intellij.lang.annotation.Annotator;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.search.GlobalSearchScope;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.asJava.DuplicateJvmSignatureUtilKt;
import org.jetbrains.kotlin.idea.caches.resolve.GetModuleInfoKt;
import org.jetbrains.kotlin.idea.caches.resolve.ResolutionUtils;
import org.jetbrains.kotlin.idea.project.TargetPlatformDetector;
import org.jetbrains.kotlin.idea.util.ProjectRootsUtil;
import org.jetbrains.kotlin.psi.KtDeclaration;
import org.jetbrains.kotlin.psi.KtElement;
import org.jetbrains.kotlin.psi.KtFile;
import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics;
import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform;

public class DuplicateJvmSignatureAnnotator implements Annotator {
    @Override
    public void annotate(@NotNull PsiElement element, @NotNull AnnotationHolder holder) {
        if (!(element instanceof KtFile) && !(element instanceof KtDeclaration)) return;
        if (!ProjectRootsUtil.isInProjectSource(element)) return;

        PsiFile file = element.getContainingFile();
        if (!(file instanceof KtFile) || TargetPlatformDetector.getPlatform((KtFile) file) != JvmPlatform.INSTANCE) return;

        Diagnostics otherDiagnostics = ResolutionUtils.analyzeFully((KtElement) element).getDiagnostics();
        GlobalSearchScope moduleScope = GetModuleInfoKt.getModuleInfo(element).contentScope();
        Diagnostics diagnostics = DuplicateJvmSignatureUtilKt.getJvmSignatureDiagnostics(element, otherDiagnostics, moduleScope);

        if (diagnostics == null) return;
        new KotlinPsiChecker().annotateElement(element, holder, diagnostics);
    }
}