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/*
* Copyright 2010-2016 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.android.synthetic.res
import com.intellij.psi.PsiElement
import org.jetbrains.kotlin.android.synthetic.AndroidConst
import org.jetbrains.kotlin.android.synthetic.descriptors.AndroidSyntheticPackageFragmentDescriptor
import org.jetbrains.kotlin.android.synthetic.descriptors.SyntheticElementResolveContext
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.impl.PropertyDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.PropertyGetterDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.DescriptorFactory
import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
import org.jetbrains.kotlin.resolve.descriptorUtil.fqNameUnsafe
import org.jetbrains.kotlin.resolve.source.PsiSourceElement
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.KotlinTypeFactory
import org.jetbrains.kotlin.types.SimpleType
import org.jetbrains.kotlin.types.StarProjectionImpl
private class XmlSourceElement(override val psi: PsiElement) : PsiSourceElement
internal fun genClearCacheFunction(packageFragmentDescriptor: PackageFragmentDescriptor, receiverType: KotlinType): SimpleFunctionDescriptor {
val function = object : AndroidSyntheticFunction, SimpleFunctionDescriptorImpl(
packageFragmentDescriptor,
null,
Annotations.EMPTY,
Name.identifier(AndroidConst.CLEAR_FUNCTION_NAME),
CallableMemberDescriptor.Kind.SYNTHESIZED,
SourceElement.NO_SOURCE) {}
val unitType = packageFragmentDescriptor.builtIns.unitType
return function.initialize(
DescriptorFactory.createExtensionReceiverParameterForCallable(function, receiverType, Annotations.EMPTY),
null, emptyList(), emptyList(), unitType, Modality.FINAL, Visibilities.PUBLIC
)
}
internal fun genPropertyForWidget(
packageFragmentDescriptor: AndroidSyntheticPackageFragmentDescriptor,
receiverType: KotlinType,
resolvedWidget: ResolvedWidget,
context: SyntheticElementResolveContext
): PropertyDescriptor {
val sourceEl = resolvedWidget.widget.sourceElement?.element?.let(::XmlSourceElement) ?: SourceElement.NO_SOURCE
val classDescriptor = resolvedWidget.viewClassDescriptor
val type = classDescriptor?.let {
val defaultType = classDescriptor.defaultType
if (defaultType.constructor.parameters.isEmpty()) {
defaultType
}
else {
KotlinTypeFactory.simpleNotNullType(
Annotations.EMPTY, classDescriptor, defaultType.constructor.parameters.map(::StarProjectionImpl))
}
} ?: context.view
return genProperty(resolvedWidget.widget, receiverType, type, packageFragmentDescriptor, sourceEl, resolvedWidget.errorType)
}
internal fun genPropertyForFragment(
packageFragmentDescriptor: AndroidSyntheticPackageFragmentDescriptor,
receiverType: KotlinType,
type: SimpleType,
fragment: AndroidResource.Fragment
): PropertyDescriptor {
val sourceElement = fragment.sourceElement?.element?.let(::XmlSourceElement) ?: SourceElement.NO_SOURCE
return genProperty(fragment, receiverType, type, packageFragmentDescriptor, sourceElement, null)
}
private fun genProperty(
resource: AndroidResource,
receiverType: KotlinType,
type: SimpleType,
containingDeclaration: AndroidSyntheticPackageFragmentDescriptor,
sourceElement: SourceElement,
errorType: String?
): PropertyDescriptor {
val property = object : AndroidSyntheticProperty, PropertyDescriptorImpl(
containingDeclaration,
null,
Annotations.EMPTY,
Modality.FINAL,
Visibilities.PUBLIC,
false,
Name.identifier(resource.id.name),
CallableMemberDescriptor.Kind.SYNTHESIZED,
sourceElement,
/* lateInit = */ false,
/* isConst = */ false,
/* isExpect = */ false,
/* isActual = */ false,
/* isExternal = */ false,
/* isDelegated = */ false
) {
override val errorType = errorType
override val shouldBeCached = type.shouldBeCached
override val resource = resource
}
// todo support (Mutable)List
val flexibleType = KotlinTypeFactory.flexibleType(type, type.makeNullableAsSpecified(true))
property.setType(
flexibleType,
emptyList<TypeParameterDescriptor>(),
null,
DescriptorFactory.createExtensionReceiverParameterForCallable(property, receiverType, Annotations.EMPTY)
)
val getter = PropertyGetterDescriptorImpl(
property,
Annotations.EMPTY,
Modality.FINAL,
Visibilities.PUBLIC,
/* isDefault = */ false,
/* isExternal = */ false,
/* isInline = */ false,
CallableMemberDescriptor.Kind.SYNTHESIZED,
/* original = */ null,
SourceElement.NO_SOURCE
)
getter.initialize(null)
property.initialize(getter, null)
return property
}
private val SimpleType.shouldBeCached: Boolean
get() {
val viewClassFqName = constructor.declarationDescriptor?.fqNameUnsafe?.asString() ?: return false
return viewClassFqName != AndroidConst.VIEWSTUB_FQNAME
}
interface AndroidSyntheticFunction
interface AndroidSyntheticProperty {
val resource: AndroidResource
val errorType: String?
// True if the View should be cached.
// Some views (such as ViewStub) should not be cached.
val shouldBeCached: Boolean
}
val AndroidSyntheticProperty.isErrorType: Boolean
get() = errorType != null
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