org.jetbrains.kotlin.resolve.calls.util.functionTypeResolveUtils.kt Maven / Gradle / Ivy
/*
* 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.resolve.calls.util
import org.jetbrains.kotlin.builtins.isBuiltinExtensionFunctionalType
import org.jetbrains.kotlin.builtins.isBuiltinFunctionalType
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.descriptors.SourceElement
import org.jetbrains.kotlin.descriptors.ValueParameterDescriptor
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.descriptors.impl.ValueParameterDescriptorImpl
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.TypeProjection
fun createValueParametersForInvokeInFunctionType(
functionDescriptor: FunctionDescriptor, parameterTypes: List
): List {
return parameterTypes.mapIndexed { i, typeProjection ->
ValueParameterDescriptorImpl(
functionDescriptor, null, i, Annotations.EMPTY,
Name.identifier("p${i + 1}"), typeProjection.type,
/* declaresDefaultValue = */ false,
/* isCrossinline = */ false,
/* isNoinline = */ false,
null, SourceElement.NO_SOURCE
)
}
}
fun getValueParametersCountFromFunctionType(type: KotlinType): Int {
assert(type.isBuiltinFunctionalType) { "Not a function type: $type" }
// Function type arguments = receiver? + parameters + return-type
return type.arguments.size - (if (type.isBuiltinExtensionFunctionalType) 1 else 0) - 1
}