/*
* Copyright 2010-2018 JetBrains s.r.o. Use of this source code is governed by the Apache 2.0 license
* that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.builtins
import org.jetbrains.kotlin.descriptors.ClassKind
import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.descriptors.SourceElement
import org.jetbrains.kotlin.descriptors.Visibilities
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.impl.EmptyPackageFragmentDescriptor
import org.jetbrains.kotlin.descriptors.impl.MutableClassDescriptor
import org.jetbrains.kotlin.descriptors.impl.TypeParameterDescriptorImpl
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.DescriptorUtils
import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameSafe
import org.jetbrains.kotlin.storage.LockBasedStorageManager
import org.jetbrains.kotlin.types.*
import org.jetbrains.kotlin.types.typeUtil.asTypeProjection
import org.jetbrains.kotlin.types.typeUtil.builtIns
val FAKE_CONTINUATION_CLASS_DESCRIPTOR_EXPERIMENTAL =
MutableClassDescriptor(
EmptyPackageFragmentDescriptor(ErrorUtils.getErrorModule(), DescriptorUtils.COROUTINES_PACKAGE_FQ_NAME_EXPERIMENTAL),
ClassKind.INTERFACE, /* isInner = */ false, /* isExternal = */ false,
DescriptorUtils.CONTINUATION_INTERFACE_FQ_NAME_EXPERIMENTAL.shortName(), SourceElement.NO_SOURCE, LockBasedStorageManager.NO_LOCKS
).apply {
modality = Modality.ABSTRACT
visibility = Visibilities.PUBLIC
setTypeParameterDescriptors(
TypeParameterDescriptorImpl.createWithDefaultBound(
this, Annotations.EMPTY, false, Variance.IN_VARIANCE, Name.identifier("T"), 0
).let(::listOf)
)
createTypeConstructor()
}
val FAKE_CONTINUATION_CLASS_DESCRIPTOR_RELEASE =
MutableClassDescriptor(
EmptyPackageFragmentDescriptor(ErrorUtils.getErrorModule(), DescriptorUtils.COROUTINES_PACKAGE_FQ_NAME_RELEASE),
ClassKind.INTERFACE, /* isInner = */ false, /* isExternal = */ false,
DescriptorUtils.CONTINUATION_INTERFACE_FQ_NAME_RELEASE.shortName(), SourceElement.NO_SOURCE, LockBasedStorageManager.NO_LOCKS
).apply {
modality = Modality.ABSTRACT
visibility = Visibilities.PUBLIC
setTypeParameterDescriptors(
TypeParameterDescriptorImpl.createWithDefaultBound(
this, Annotations.EMPTY, false, Variance.IN_VARIANCE, Name.identifier("T"), 0
).let(::listOf)
)
createTypeConstructor()
}
fun transformSuspendFunctionToRuntimeFunctionType(suspendFunType: KotlinType, isReleaseCoroutines: Boolean): SimpleType {
assert(suspendFunType.isSuspendFunctionType) {
"This type should be suspend function type: $suspendFunType"
}
return createFunctionType(
suspendFunType.builtIns,
suspendFunType.annotations,
suspendFunType.getReceiverTypeFromFunctionType(),
suspendFunType.getValueParameterTypesFromFunctionType().map(TypeProjection::getType) +
KotlinTypeFactory.simpleType(
Annotations.EMPTY,
// Continuation interface is not a part of built-ins anymore, it has been moved to stdlib.
// While it must be somewhere in the dependencies, but here we don't have a reference to the module,
// and it's rather complicated to inject it by now, so we just use a fake class descriptor.
if (isReleaseCoroutines) FAKE_CONTINUATION_CLASS_DESCRIPTOR_RELEASE.typeConstructor
else FAKE_CONTINUATION_CLASS_DESCRIPTOR_EXPERIMENTAL.typeConstructor,
listOf(suspendFunType.getReturnTypeFromFunctionType().asTypeProjection()), nullable = false
),
// TODO: names
null,
suspendFunType.builtIns.nullableAnyType
).makeNullableAsSpecified(suspendFunType.isMarkedNullable)
}
fun isContinuation(name: FqName?, isReleaseCoroutines: Boolean): Boolean {
return if (isReleaseCoroutines) name == DescriptorUtils.CONTINUATION_INTERFACE_FQ_NAME_RELEASE
else name == DescriptorUtils.CONTINUATION_INTERFACE_FQ_NAME_EXPERIMENTAL
}