/*
* 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.
*/
package org.jetbrains.kotlin.test.util;
import com.google.common.collect.Lists;
import com.intellij.openapi.util.io.FileUtil;
import org.jetbrains.kotlin.analyzer.AnalysisResult;
import org.jetbrains.kotlin.cli.jvm.compiler.KotlinCoreEnvironment;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
import org.jetbrains.kotlin.psi.KtFile;
import org.jetbrains.kotlin.resolve.lazy.LazyEntity;
import org.jetbrains.kotlin.test.KotlinTestUtils;
import org.jetbrains.kotlin.test.KotlinTestWithEnvironment;
import org.jetbrains.kotlin.utils.Printer;
import java.io.File;
import java.util.Collections;
import java.util.List;
public class RecursiveDescriptorProcessorTest extends KotlinTestWithEnvironment {
@Override
protected KotlinCoreEnvironment createEnvironment() {
return KotlinTestUtils.createEnvironmentWithMockJdkAndIdeaAnnotations(getTestRootDisposable());
}
public void testRecursive() throws Exception {
File ktFile = new File("compiler/testData/recursiveProcessor/declarations.kt");
File txtFile = new File("compiler/testData/recursiveProcessor/declarations.txt");
String text = FileUtil.loadFile(ktFile, true);
KtFile jetFile = KotlinTestUtils.createFile("declarations.kt", text, getEnvironment().getProject());
AnalysisResult result = KotlinTestUtils.analyzeFile(jetFile, getEnvironment());
PackageViewDescriptor testPackage = result.getModuleDescriptor().getPackage(FqName.topLevel(Name.identifier("test")));
List<String> descriptors = recursivelyCollectDescriptors(testPackage);
StringBuilder builder = new StringBuilder();
Printer p = new Printer(builder);
for (String descriptor : descriptors) {
p.println(descriptor);
}
String actualText = builder.toString();
if (!txtFile.exists()) {
FileUtil.writeToFile(txtFile, actualText);
fail("Test data file did not exist and was created from the results of the test: " + txtFile);
}
assertSameLinesWithFile(txtFile.getAbsolutePath(), actualText);
}
private static Class closestInterface(Class<?> aClass) {
if (aClass == null) return null;
if (aClass.isInterface() && aClass != LazyEntity.class) return aClass;
Class<?>[] interfaces = aClass.getInterfaces();
for (Class<?> anInterface : interfaces) {
if (anInterface != LazyEntity.class) return anInterface;
}
return closestInterface(aClass.getSuperclass());
}
private static List<String> recursivelyCollectDescriptors(PackageViewDescriptor testPackage) {
List<String> lines = Lists.newArrayList();
RecursiveDescriptorProcessor.process(testPackage, null, new DeclarationDescriptorVisitor<Boolean, Void>() {
private void add(DeclarationDescriptor descriptor) {
add(descriptor.getName().asString(), descriptor);
}
private void add(String name, DeclarationDescriptor descriptor) {
lines.add(name + ":" + closestInterface(descriptor.getClass()).getSimpleName());
}
private void addCallable(CallableMemberDescriptor descriptor) {
String prefix = descriptor.getKind() == CallableMemberDescriptor.Kind.FAKE_OVERRIDE ? "fake " : "";
add(prefix + descriptor.getContainingDeclaration().getName() + "." + descriptor.getName(), descriptor);
}
@Override
public Boolean visitPackageFragmentDescriptor(PackageFragmentDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitPackageViewDescriptor(PackageViewDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitVariableDescriptor(VariableDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitFunctionDescriptor(FunctionDescriptor descriptor, Void data) {
addCallable(descriptor);
return true;
}
@Override
public Boolean visitTypeParameterDescriptor(TypeParameterDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitClassDescriptor(ClassDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitTypeAliasDescriptor(TypeAliasDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitModuleDeclaration(ModuleDescriptor descriptor, Void data) {
add(descriptor);
return true;
}
@Override
public Boolean visitConstructorDescriptor(
ConstructorDescriptor constructorDescriptor, Void data
) {
add(constructorDescriptor.getContainingDeclaration().getName() + ".<init>()", constructorDescriptor);
return true;
}
@Override
public Boolean visitScriptDescriptor(ScriptDescriptor scriptDescriptor, Void data) {
add(scriptDescriptor);
return true;
}
@Override
public Boolean visitPropertyDescriptor(PropertyDescriptor descriptor, Void data) {
addCallable(descriptor);
return true;
}
@Override
public Boolean visitValueParameterDescriptor(
ValueParameterDescriptor descriptor, Void data
) {
add(descriptor);
return true;
}
@Override
public Boolean visitPropertyGetterDescriptor(
PropertyGetterDescriptor descriptor, Void data
) {
addCallable(descriptor);
return true;
}
@Override
public Boolean visitPropertySetterDescriptor(
PropertySetterDescriptor descriptor, Void data
) {
addCallable(descriptor);
return true;
}
@Override
public Boolean visitReceiverParameterDescriptor(
ReceiverParameterDescriptor descriptor, Void data
) {
add(descriptor.getContainingDeclaration().getName() + ".this", descriptor);
return true;
}
});
Collections.sort(lines);
return lines;
}
}