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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.psi2ir.intermediate
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.descriptors.impl.SimpleFunctionDescriptorImpl
import org.jetbrains.kotlin.ir.declarations.IrVariable
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.impl.IrGetValueImpl
fun IrVariable.loadAt(startOffset: Int, endOffset: Int): IrExpression =
IrGetValueImpl(startOffset, endOffset, type, symbol)
fun CallReceiver.adjustForCallee(callee: CallableMemberDescriptor): CallReceiver =
object : CallReceiver {
override fun call(builder: CallExpressionBuilder): IrExpression =
[email protected] { dispatchReceiverValue, extensionReceiverValue, contextReceiverValues ->
val numReceiversPresent = listOfNotNull(dispatchReceiverValue, extensionReceiverValue).size
val numReceiversExpected = listOfNotNull(callee.dispatchReceiverParameter, callee.extensionReceiverParameter).size
if (numReceiversPresent != numReceiversExpected)
throw AssertionError("Mismatching receivers for $callee: $numReceiversPresent, expected: $numReceiversExpected")
val newDispatchReceiverValue =
when {
callee.dispatchReceiverParameter == null -> null
dispatchReceiverValue != null -> dispatchReceiverValue
else -> extensionReceiverValue
}
val newExtensionReceiverValue =
when {
callee.extensionReceiverParameter == null -> null
dispatchReceiverValue != null && callee.dispatchReceiverParameter == null -> dispatchReceiverValue
else -> extensionReceiverValue
}
builder.withReceivers(newDispatchReceiverValue, newExtensionReceiverValue, contextReceiverValues)
}
}
fun computeSubstitutedSyntheticAccessor(
propertyDescriptor: PropertyDescriptor,
accessorFunctionDescriptor: FunctionDescriptor,
substitutedExtensionAccessorDescriptor: PropertyAccessorDescriptor
): FunctionDescriptor {
if (propertyDescriptor.original == propertyDescriptor) return accessorFunctionDescriptor
// Compute substituted accessor descriptor in case of Synthetic Java property `Java: getFoo() -> Kotlin: foo`
if (propertyDescriptor !is SyntheticPropertyDescriptor) return accessorFunctionDescriptor
if (propertyDescriptor.extensionReceiverParameter == null || propertyDescriptor.dispatchReceiverParameter != null) {
return accessorFunctionDescriptor
}
if (accessorFunctionDescriptor !is SimpleFunctionDescriptor) return accessorFunctionDescriptor
return copyTypesFromExtensionAccessor(accessorFunctionDescriptor, substitutedExtensionAccessorDescriptor)
}
// When computing substituted descriptor for a synthetic accessor of a synthesized property,
// the property descriptor's accessor field almost has the right type,
// except with extension receiver instead of dispatch receiver. Need to patch it up.
private fun copyTypesFromExtensionAccessor(
accessorFunctionDescriptor: SimpleFunctionDescriptor,
extensionAccessorDescriptor: PropertyAccessorDescriptor
): FunctionDescriptor =
SimpleFunctionDescriptorImpl.create(
accessorFunctionDescriptor.containingDeclaration,
accessorFunctionDescriptor.annotations,
accessorFunctionDescriptor.name,
accessorFunctionDescriptor.kind,
accessorFunctionDescriptor.source
).apply {
initialize(
null,
extensionAccessorDescriptor.extensionReceiverParameter?.copy(this),
emptyList(),
emptyList(),
extensionAccessorDescriptor.valueParameters.map { it.copy(this, it.name, it.index) },
extensionAccessorDescriptor.returnType,
accessorFunctionDescriptor.modality,
accessorFunctionDescriptor.visibility
)
}
