org.jetbrains.kotlin.codegen.JvmRuntimeTypes 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.codegen;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.kotlin.descriptors.*;
import org.jetbrains.kotlin.descriptors.annotations.Annotations;
import org.jetbrains.kotlin.descriptors.impl.ModuleDescriptorImpl;
import org.jetbrains.kotlin.descriptors.impl.MutablePackageFragmentDescriptor;
import org.jetbrains.kotlin.name.FqName;
import org.jetbrains.kotlin.name.Name;
import org.jetbrains.kotlin.resolve.TargetPlatformKt;
import org.jetbrains.kotlin.resolve.descriptorUtil.DescriptorUtilsKt;
import org.jetbrains.kotlin.resolve.jvm.platform.JvmPlatform;
import org.jetbrains.kotlin.storage.LockBasedStorageManager;
import org.jetbrains.kotlin.types.KotlinType;
import org.jetbrains.kotlin.types.expressions.ExpressionTypingUtils;
import java.util.*;
public class JvmRuntimeTypes {
private final ClassDescriptor lambda;
private final ClassDescriptor functionReference;
private final List propertyReferences;
private final List mutablePropertyReferences;
public JvmRuntimeTypes() {
ModuleDescriptorImpl module = TargetPlatformKt.createModule(
JvmPlatform.INSTANCE,
Name.special(""),
LockBasedStorageManager.NO_LOCKS
);
PackageFragmentDescriptor kotlinJvmInternal = new MutablePackageFragmentDescriptor(module, new FqName("kotlin.jvm.internal"));
this.lambda = createClass(kotlinJvmInternal, "Lambda");
this.functionReference = createClass(kotlinJvmInternal, "FunctionReference");
this.propertyReferences = new ArrayList(3);
this.mutablePropertyReferences = new ArrayList(3);
for (int i = 0; i <= 2; i++) {
propertyReferences.add(createClass(kotlinJvmInternal, "PropertyReference" + i));
mutablePropertyReferences.add(createClass(kotlinJvmInternal, "MutablePropertyReference" + i));
}
}
@NotNull
private static ClassDescriptor createClass(@NotNull PackageFragmentDescriptor packageFragment, @NotNull String name) {
MutableClassDescriptor descriptor = new MutableClassDescriptor(
packageFragment, ClassKind.CLASS, false, Name.identifier(name), SourceElement.NO_SOURCE
);
descriptor.setModality(Modality.FINAL);
descriptor.setVisibility(Visibilities.PUBLIC);
descriptor.setTypeParameterDescriptors(Collections.emptyList());
descriptor.createTypeConstructor();
return descriptor;
}
@NotNull
public Collection getSupertypesForClosure(@NotNull FunctionDescriptor descriptor) {
ReceiverParameterDescriptor receiverParameter = descriptor.getExtensionReceiverParameter();
//noinspection ConstantConditions
KotlinType functionType = DescriptorUtilsKt.getBuiltIns(descriptor).getFunctionType(
Annotations.Companion.getEMPTY(),
receiverParameter == null ? null : receiverParameter.getType(),
ExpressionTypingUtils.getValueParametersTypes(descriptor.getValueParameters()),
descriptor.getReturnType()
);
return Arrays.asList(lambda.getDefaultType(), functionType);
}
@NotNull
public Collection getSupertypesForFunctionReference(@NotNull FunctionDescriptor descriptor) {
ReceiverParameterDescriptor extensionReceiver = descriptor.getExtensionReceiverParameter();
ReceiverParameterDescriptor dispatchReceiver = descriptor.getDispatchReceiverParameter();
KotlinType receiverType =
extensionReceiver != null ? extensionReceiver.getType() : dispatchReceiver != null ? dispatchReceiver.getType() : null;
//noinspection ConstantConditions
KotlinType functionType = DescriptorUtilsKt.getBuiltIns(descriptor).getFunctionType(
Annotations.Companion.getEMPTY(),
receiverType,
ExpressionTypingUtils.getValueParametersTypes(descriptor.getValueParameters()),
descriptor.getReturnType()
);
return Arrays.asList(functionReference.getDefaultType(), functionType);
}
@NotNull
public KotlinType getSupertypeForPropertyReference(@NotNull PropertyDescriptor descriptor) {
int arity = (descriptor.getExtensionReceiverParameter() != null ? 1 : 0) +
(descriptor.getDispatchReceiverParameter() != null ? 1 : 0);
return (descriptor.isVar() ? mutablePropertyReferences : propertyReferences).get(arity).getDefaultType();
}
}