org.jetbrains.kotlin.resolve.TraceBasedRedeclarationHandler Maven / Gradle / Ivy
/*
* 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.resolve;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.descriptors.DeclarationDescriptor;
import org.jetbrains.kotlin.resolve.scopes.RedeclarationHandler;
import static org.jetbrains.kotlin.diagnostics.Errors.REDECLARATION;
public class TraceBasedRedeclarationHandler implements RedeclarationHandler {
private final BindingTrace trace;
public TraceBasedRedeclarationHandler(@NotNull BindingTrace trace) {
this.trace = trace;
}
@Override
public void handleRedeclaration(@NotNull DeclarationDescriptor first, @NotNull DeclarationDescriptor second) {
report(first);
report(second);
}
private void report(DeclarationDescriptor descriptor) {
PsiElement firstElement = DescriptorToSourceUtils.descriptorToDeclaration(descriptor);
if (firstElement != null) {
trace.report(REDECLARATION.on(firstElement, descriptor.getName().asString()));
}
else {
throw new IllegalStateException("No declaration found for " + descriptor);
}
}
}