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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.resolve.lazy.descriptors
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.impl.ConstructorDescriptorImpl
import org.jetbrains.kotlin.descriptors.impl.PropertyDescriptorImpl
import org.jetbrains.kotlin.incremental.components.LookupLocation
import org.jetbrains.kotlin.incremental.components.NoLookupLocation
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.BindingTrace
import org.jetbrains.kotlin.resolve.lazy.ResolveSession
import org.jetbrains.kotlin.resolve.lazy.data.JetScriptInfo
import org.jetbrains.kotlin.resolve.lazy.declarations.ClassMemberDeclarationProvider
import org.jetbrains.kotlin.storage.NotNullLazyValue
import org.jetbrains.kotlin.utils.toReadOnlyList
// SCRIPT: Members of a script class
public class LazyScriptClassMemberScope protected constructor(
private val resolveSession: ResolveSession,
declarationProvider: ClassMemberDeclarationProvider,
thisClass: LazyClassDescriptor,
trace: BindingTrace)
: LazyClassMemberScope(resolveSession, declarationProvider, thisClass, trace) {
private val scriptResultProperty: NotNullLazyValue = resolveSession.getStorageManager().createLazyValue {
val scriptInfo = declarationProvider.getOwnerInfo() as JetScriptInfo
createScriptResultProperty(resolveSession.getScriptDescriptor(scriptInfo.script))
}
override fun computeExtraDescriptors(location: LookupLocation): Collection {
return (super.computeExtraDescriptors(location)
+ getProperties(Name.identifier(ScriptDescriptor.LAST_EXPRESSION_VALUE_FIELD_NAME), location)
+ getPropertiesForScriptParameters()).toReadOnlyList()
}
private fun getPropertiesForScriptParameters() = getPrimaryConstructor()!!.valueParameters.flatMap { getProperties(it.name, NoLookupLocation.FOR_SCRIPT) }
override fun getNonDeclaredProperties(name: Name, result: MutableSet) {
super.getNonDeclaredProperties(name, result)
if (name.asString() == ScriptDescriptor.LAST_EXPRESSION_VALUE_FIELD_NAME) {
result.add(scriptResultProperty())
}
}
public fun getScriptResultProperty(): PropertyDescriptor = scriptResultProperty()
override fun createPropertiesFromPrimaryConstructorParameters(name: Name, result: MutableSet) {
val scriptInfo = declarationProvider.getOwnerInfo() as JetScriptInfo
// From primary constructor parameters
val primaryConstructor = getPrimaryConstructor()
if (primaryConstructor == null) return
for (valueParameterDescriptor in primaryConstructor.getValueParameters()) {
if (name == valueParameterDescriptor.getName()) {
result.add(createPropertyFromScriptParameter(resolveSession.getScriptDescriptor(scriptInfo.script), valueParameterDescriptor))
}
}
}
override fun resolvePrimaryConstructor(): ConstructorDescriptor? {
val scriptInfo = declarationProvider.getOwnerInfo() as JetScriptInfo
val scriptDescriptor = resolveSession.getScriptDescriptor(scriptInfo.script)
val constructor = createConstructor(scriptDescriptor, scriptDescriptor.getScriptCodeDescriptor().getValueParameters())
setDeferredReturnType(constructor)
return constructor
}
private fun createScriptResultProperty(scriptDescriptor: ScriptDescriptor): PropertyDescriptor {
val propertyDescriptor = PropertyDescriptorImpl.create(
scriptDescriptor.getClassDescriptor(),
Annotations.EMPTY,
Modality.FINAL,
Visibilities.PUBLIC,
false,
Name.identifier(ScriptDescriptor.LAST_EXPRESSION_VALUE_FIELD_NAME),
CallableMemberDescriptor.Kind.DECLARATION,
SourceElement.NO_SOURCE,
/* lateInit = */ false,
/* isConst = */ false
)
val returnType = scriptDescriptor.getScriptCodeDescriptor().getReturnType()
assert(returnType != null) { "Return type not initialized for " + scriptDescriptor }
returnType!!
propertyDescriptor.setType(
returnType,
listOf(),
scriptDescriptor.getThisAsReceiverParameter(),
null as ReceiverParameterDescriptor?
)
propertyDescriptor.initialize(null, null)
return propertyDescriptor
}
private fun createConstructor(scriptDescriptor: ScriptDescriptor, valueParameters: List): ConstructorDescriptorImpl {
return ConstructorDescriptorImpl.create(
scriptDescriptor.getClassDescriptor(),
Annotations.EMPTY,
true,
SourceElement.NO_SOURCE
).initialize(
listOf(),
valueParameters,
Visibilities.PUBLIC
)
}
private fun createPropertyFromScriptParameter(scriptDescriptor: ScriptDescriptor, parameter: ValueParameterDescriptor): PropertyDescriptor {
val propertyDescriptor = PropertyDescriptorImpl.create(
scriptDescriptor.getClassDescriptor(),
Annotations.EMPTY,
Modality.FINAL,
Visibilities.PUBLIC,
false,
parameter.getName(),
CallableMemberDescriptor.Kind.DECLARATION,
SourceElement.NO_SOURCE,
/* lateInit = */ false,
/* isConst = */ false
)
propertyDescriptor.setType(
parameter.getType(),
listOf(),
scriptDescriptor.getThisAsReceiverParameter(),
null as ReceiverParameterDescriptor?
)
propertyDescriptor.initialize(null, null)
return propertyDescriptor
}
}