/*
* 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.descriptors;
import org.jetbrains.annotations.
NotNull;
import org.jetbrains.annotations.
Nullable;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.annotations.
Annotations;
import org.jetbrains.kotlin.descriptors.impl.
SimpleFunctionDescriptorImpl;
import org.jetbrains.kotlin.name.
Name;
import org.jetbrains.kotlin.types.
KotlinType;
import org.jetbrains.kotlin.util.
OperatorChecks;
import java.util.
List;
import java.util.
Map;
public class
JavaMethodDescriptor extends
SimpleFunctionDescriptorImpl implements
JavaCallableMemberDescriptor {
// TODO: It's only used to retrieve annotations from the original value parameter and can be removed when
// org.jetbrains.kotlin.descriptors.impl.FunctionDescriptorImpl.initialize accepts extension parameter descriptor
// instead of type
public static final
UserDataKey<
ValueParameterDescriptor>
ORIGINAL_VALUE_PARAMETER_FOR_EXTENSION_RECEIVER =
new
UserDataKey<
ValueParameterDescriptor>() {};
private enum
ParameterNamesStatus {
NON_STABLE_DECLARED(false, false),
STABLE_DECLARED(true, false),
NON_STABLE_SYNTHESIZED(false, true),
STABLE_SYNTHESIZED(true, true), // TODO: this makes no sense
;
public final boolean
isStable;
public final boolean
isSynthesized;
ParameterNamesStatus(boolean
isStable, boolean
isSynthesized) {
this.
isStable =
isStable;
this.
isSynthesized =
isSynthesized;
}
@
NotNull
public static
ParameterNamesStatus get(boolean
stable, boolean
synthesized) {
return
stable ? (
synthesized ?
STABLE_SYNTHESIZED :
STABLE_DECLARED) :
(
synthesized ?
NON_STABLE_SYNTHESIZED :
NON_STABLE_DECLARED);
}
}
private
ParameterNamesStatus parameterNamesStatus = null;
protected
JavaMethodDescriptor(
@
NotNull DeclarationDescriptor containingDeclaration,
@
Nullable SimpleFunctionDescriptor original,
@
NotNull Annotations annotations,
@
NotNull Name name,
@
NotNull Kind kind,
@
NotNull SourceElement source
) {
super(
containingDeclaration,
original,
annotations,
name,
kind,
source);
}
@
NotNull
public static
JavaMethodDescriptor createJavaMethod(
@
NotNull DeclarationDescriptor containingDeclaration,
@
NotNull Annotations annotations,
@
NotNull Name name,
@
NotNull SourceElement source
) {
return new
JavaMethodDescriptor(
containingDeclaration, null,
annotations,
name,
Kind.
DECLARATION,
source);
}
@
NotNull
@
Override
public
SimpleFunctionDescriptorImpl initialize(
@
Nullable KotlinType receiverParameterType,
@
Nullable ReceiverParameterDescriptor dispatchReceiverParameter,
@
NotNull List<? extends
TypeParameterDescriptor>
typeParameters,
@
NotNull List<
ValueParameterDescriptor>
unsubstitutedValueParameters,
@
Nullable KotlinType unsubstitutedReturnType,
@
Nullable Modality modality,
@
NotNull Visibility visibility,
@
Nullable Map<? extends
UserDataKey<?>, ?>
userData
) {
SimpleFunctionDescriptorImpl descriptor = super.initialize(
receiverParameterType,
dispatchReceiverParameter,
typeParameters,
unsubstitutedValueParameters,
unsubstitutedReturnType,
modality,
visibility,
userData);
setOperator(
OperatorChecks.
INSTANCE.
check(
descriptor).
isSuccess());
return
descriptor;
}
@
Override
public boolean
hasStableParameterNames() {
assert
parameterNamesStatus != null : "Parameter names status was not set: " + this;
return
parameterNamesStatus.
isStable;
}
@
Override
public boolean
hasSynthesizedParameterNames() {
assert
parameterNamesStatus != null : "Parameter names status was not set: " + this;
return
parameterNamesStatus.
isSynthesized;
}
public void
setParameterNamesStatus(boolean
hasStableParameterNames, boolean
hasSynthesizedParameterNames) {
this.
parameterNamesStatus =
ParameterNamesStatus.
get(
hasStableParameterNames,
hasSynthesizedParameterNames);
}
@
NotNull
@
Override
protected
JavaMethodDescriptor createSubstitutedCopy(
@
NotNull DeclarationDescriptor newOwner,
@
Nullable FunctionDescriptor original,
@
NotNull Kind kind,
@
Nullable Name newName,
@
NotNull Annotations annotations,
@
NotNull SourceElement source
) {
JavaMethodDescriptor result = new
JavaMethodDescriptor(
newOwner,
(
SimpleFunctionDescriptor)
original,
annotations,
newName != null ?
newName :
getName(),
kind,
source
);
result.
setParameterNamesStatus(
hasStableParameterNames(),
hasSynthesizedParameterNames());
return
result;
}
@
Override
@
NotNull
public
JavaMethodDescriptor enhance(
@
Nullable KotlinType enhancedReceiverType,
@
NotNull List<
ValueParameterData>
enhancedValueParametersData,
@
NotNull KotlinType enhancedReturnType
) {
List<
ValueParameterDescriptor>
enhancedValueParameters =
UtilKt.
copyValueParameters(
enhancedValueParametersData,
getValueParameters(), this);
JavaMethodDescriptor enhancedMethod =
(
JavaMethodDescriptor)
newCopyBuilder()
.
setValueParameters(
enhancedValueParameters)
.
setReturnType(
enhancedReturnType)
.
setExtensionReceiverType(
enhancedReceiverType)
.
setDropOriginalInContainingParts()
.
setPreserveSourceElement()
.
build();
assert
enhancedMethod != null : "null after substitution while enhancing " +
toString();
return
enhancedMethod;
}
}