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/*
* 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.load.java.components;
import com.intellij.openapi.project.Project;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import org.jetbrains.kotlin.descriptors.CallableMemberDescriptor;
import org.jetbrains.kotlin.descriptors.ClassDescriptor;
import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor;
import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor;
import org.jetbrains.kotlin.load.java.JavaBindingContext;
import org.jetbrains.kotlin.load.java.structure.JavaConstructor;
import org.jetbrains.kotlin.load.java.structure.JavaField;
import org.jetbrains.kotlin.load.java.structure.JavaMember;
import org.jetbrains.kotlin.load.java.structure.JavaMethod;
import org.jetbrains.kotlin.resolve.BindingTrace;
import org.jetbrains.kotlin.resolve.jvm.JvmPackage;
import org.jetbrains.kotlin.resolve.jvm.kotlinSignature.AlternativeFieldSignatureData;
import org.jetbrains.kotlin.resolve.jvm.kotlinSignature.AlternativeMethodSignatureData;
import org.jetbrains.kotlin.resolve.jvm.kotlinSignature.SignaturesPropagationData;
import org.jetbrains.kotlin.types.JetType;
import java.util.Collections;
import java.util.List;
public class TraceBasedExternalSignatureResolver implements ExternalSignatureResolver {
@NotNull private final BindingTrace trace;
@NotNull private final ExternalAnnotationResolver externalAnnotationResolver;
@NotNull private final Project project;
public TraceBasedExternalSignatureResolver(
@NotNull ExternalAnnotationResolver externalAnnotationResolver,
@NotNull Project project,
@NotNull BindingTrace trace
) {
this.externalAnnotationResolver = externalAnnotationResolver;
this.project = project;
this.trace = trace;
}
@Override
@NotNull
public PropagatedMethodSignature resolvePropagatedSignature(
@NotNull JavaMethod method,
@NotNull ClassDescriptor owner,
@NotNull JetType returnType,
@Nullable JetType receiverType,
@NotNull List valueParameters,
@NotNull List typeParameters
) {
SignaturesPropagationData data =
new SignaturesPropagationData(owner, returnType, receiverType, valueParameters, typeParameters, method);
return new PropagatedMethodSignature(data.getModifiedReturnType(), data.getModifiedReceiverType(),
data.getModifiedValueParameters(), data.getModifiedTypeParameters(), data.getSignatureErrors(),
data.getModifiedHasStableParameterNames(), data.getSuperFunctions());
}
@Override
@NotNull
public AlternativeMethodSignature resolveAlternativeMethodSignature(
@NotNull JavaMember methodOrConstructor,
boolean hasSuperMethods,
@Nullable JetType returnType,
@Nullable JetType receiverType,
@NotNull List valueParameters,
@NotNull List typeParameters,
boolean hasStableParameterNames
) {
assert methodOrConstructor instanceof JavaMethod || methodOrConstructor instanceof JavaConstructor :
"Not a method or a constructor: " + methodOrConstructor.getName();
AlternativeMethodSignatureData data =
new AlternativeMethodSignatureData(externalAnnotationResolver, methodOrConstructor, receiverType, project, valueParameters,
returnType, typeParameters, hasSuperMethods);
if (data.isAnnotated() && !data.hasErrors()) {
if (JvmPackage.getPLATFORM_TYPES()) {
// We only take parameter names from the @KotlinSignature
return new AlternativeMethodSignature(returnType, receiverType,
AlternativeMethodSignatureData.updateNames(valueParameters, data.getValueParameters()),
typeParameters, Collections.emptyList(), true);
}
return new AlternativeMethodSignature(data.getReturnType(), receiverType, data.getValueParameters(), data.getTypeParameters(),
Collections.emptyList(), true);
}
List error = data.hasErrors() ? Collections.singletonList(data.getError()) : Collections.emptyList();
return new AlternativeMethodSignature(returnType, receiverType, valueParameters, typeParameters, error, hasStableParameterNames);
}
@Override
@NotNull
public AlternativeFieldSignature resolveAlternativeFieldSignature(
@NotNull JavaField field,
@NotNull JetType returnType,
boolean isVar
) {
AlternativeFieldSignatureData data =
new AlternativeFieldSignatureData(externalAnnotationResolver, field, returnType, project, isVar);
if (data.isAnnotated() && !data.hasErrors()) {
if (JvmPackage.getPLATFORM_TYPES()) {
return new AlternativeFieldSignature(returnType, null);
}
return new AlternativeFieldSignature(data.getReturnType(), null);
}
String error = data.hasErrors() ? data.getError() : null;
return new AlternativeFieldSignature(returnType, error);
}
@Override
public void reportSignatureErrors(@NotNull CallableMemberDescriptor descriptor, @NotNull List signatureErrors) {
trace.record(JavaBindingContext.LOAD_FROM_JAVA_SIGNATURE_ERRORS, descriptor.getOriginal(), signatureErrors);
}
}