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Implemented "Go to type declaration" for Kotlin entities.

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#KT-1318 fixed
This commit is contained in:
Evgeny Gerashchenko
2012-05-07 23:01:01 +04:00
parent 428771d99d
commit 6d489a50cb
2 changed files with 58 additions and 0 deletions
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idea/src/META-INF/plugin.xml
+1
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@@ -92,6 +92,7 @@
<codeInsight.parameterInfo language="jet" implementationClass="org.jetbrains.jet.plugin.parameterInfo.JetFunctionParameterInfoHandler"/>
<codeInsight.gotoSuper language="jet" implementationClass="org.jetbrains.jet.plugin.codeInsight.GotoSuperActionHandler" />
<typeDeclarationProvider implementation="org.jetbrains.jet.plugin.codeInsight.JetTypeDeclarationProvider" />
<completion.contributor language="jet" id="JetKeywordCompletionContributor" order="first"
implementationClass="org.jetbrains.jet.plugin.completion.JetKeywordCompletionContributor"/>
idea/src/org/jetbrains/jet/plugin/codeInsight/JetTypeDeclarationProvider.java
+57
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@@ -0,0 +1,57 @@
/*
* Copyright 2010-2012 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.jet.plugin.codeInsight;
import com.intellij.codeInsight.navigation.actions.TypeDeclarationProvider;
import com.intellij.psi.PsiElement;
import org.jetbrains.jet.lang.descriptors.CallableDescriptor;
import org.jetbrains.jet.lang.descriptors.ClassifierDescriptor;
import org.jetbrains.jet.lang.descriptors.DeclarationDescriptor;
import org.jetbrains.jet.lang.psi.JetElement;
import org.jetbrains.jet.lang.psi.JetFile;
import org.jetbrains.jet.lang.resolve.BindingContext;
import org.jetbrains.jet.lang.resolve.BindingContextUtils;
import org.jetbrains.jet.lang.types.JetType;
import org.jetbrains.jet.plugin.project.WholeProjectAnalyzerFacade;
/**
* @author Evgeny Gerashchenko
* @since 07.05.12
*/
public class JetTypeDeclarationProvider implements TypeDeclarationProvider {
@Override
public PsiElement[] getSymbolTypeDeclarations(PsiElement symbol) {
if (symbol instanceof JetElement && symbol.getContainingFile() instanceof JetFile) {
BindingContext bindingContext =
WholeProjectAnalyzerFacade.analyzeProjectWithCacheOnAFile((JetFile) symbol.getContainingFile()).getBindingContext();
DeclarationDescriptor descriptor = bindingContext.get(BindingContext.DECLARATION_TO_DESCRIPTOR, symbol);
if (descriptor instanceof CallableDescriptor) {
JetType type = ((CallableDescriptor) descriptor).getReturnType();
if (type != null) {
ClassifierDescriptor classifierDescriptor = type.getConstructor().getDeclarationDescriptor();
if (classifierDescriptor != null) {
PsiElement typeElement = BindingContextUtils.descriptorToDeclaration(bindingContext, classifierDescriptor);
if (typeElement != null) {
return new PsiElement[] {typeElement};
}
}
}
}
}
return new PsiElement[0];
}
}