org.jetbrains.kotlin.resolve.calls.components.TypeArgumentsToParametersMapper.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.components
import org.jetbrains.kotlin.descriptors.CallableDescriptor
import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
import org.jetbrains.kotlin.resolve.calls.model.*
class TypeArgumentsToParametersMapper {
sealed class TypeArgumentsMapping(val diagnostics: List) {
abstract fun getTypeArgument(typeParameterDescriptor: TypeParameterDescriptor): TypeArgument
object NoExplicitArguments : TypeArgumentsMapping(emptyList()) {
override fun getTypeArgument(typeParameterDescriptor: TypeParameterDescriptor): TypeArgument =
TypeArgumentPlaceholder
}
class TypeArgumentsMappingImpl(
diagnostics: List,
private val typeParameterToArgumentMap: Map
) : TypeArgumentsMapping(diagnostics) {
override fun getTypeArgument(typeParameterDescriptor: TypeParameterDescriptor): TypeArgument =
typeParameterToArgumentMap[typeParameterDescriptor] ?: TypeArgumentPlaceholder
}
}
fun mapTypeArguments(call: KotlinCall, descriptor: CallableDescriptor): TypeArgumentsMapping {
if (call.typeArguments.isEmpty()) {
return TypeArgumentsMapping.NoExplicitArguments
}
if (call.typeArguments.size != descriptor.typeParameters.size) {
return TypeArgumentsMapping.TypeArgumentsMappingImpl(
listOf(WrongCountOfTypeArguments(descriptor, call.typeArguments.size)), emptyMap()
)
} else {
val typeParameterToArgumentMap = descriptor.typeParameters.zip(call.typeArguments).associate { it }
return TypeArgumentsMapping.TypeArgumentsMappingImpl(listOf(), typeParameterToArgumentMap)
}
}
}