.kotlin.kotlin-compiler.1.2.71.source-code.NewOverloadingConflictResolver.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.
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package org.jetbrains.kotlin.resolve.calls.components
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.ModuleDescriptor
import org.jetbrains.kotlin.resolve.calls.inference.components.ConstraintInjector
import org.jetbrains.kotlin.resolve.calls.inference.components.SimpleConstraintSystemImpl
import org.jetbrains.kotlin.resolve.calls.model.KotlinCallArgument
import org.jetbrains.kotlin.resolve.calls.model.KotlinResolutionCandidate
import org.jetbrains.kotlin.resolve.calls.model.ResolvedCallArgument
import org.jetbrains.kotlin.resolve.calls.results.FlatSignature
import org.jetbrains.kotlin.resolve.calls.results.OverloadingConflictResolver
import org.jetbrains.kotlin.resolve.calls.results.TypeSpecificityComparator
import org.jetbrains.kotlin.types.KotlinType
import java.util.*
class NewOverloadingConflictResolver(
builtIns: KotlinBuiltIns,
module: ModuleDescriptor,
specificityComparator: TypeSpecificityComparator,
statelessCallbacks: KotlinResolutionStatelessCallbacks,
constraintInjector: ConstraintInjector
) : OverloadingConflictResolver(
builtIns,
module,
specificityComparator,
{
// todo investigate
it.resolvedCall.candidateDescriptor
},
{ SimpleConstraintSystemImpl(constraintInjector, builtIns) },
Companion::createFlatSignature,
{ it.variableCandidateIfInvoke },
{ statelessCallbacks.isDescriptorFromSource(it) }
) {
companion object {
private fun createFlatSignature(candidate: KotlinResolutionCandidate): FlatSignature {
val resolvedCall = candidate.resolvedCall
val originalDescriptor = resolvedCall.candidateDescriptor.original
val originalValueParameters = originalDescriptor.valueParameters
var numDefaults = 0
val valueArgumentToParameterType = HashMap()
for ((valueParameter, resolvedValueArgument) in resolvedCall.argumentMappingByOriginal) {
if (resolvedValueArgument is ResolvedCallArgument.DefaultArgument) {
numDefaults++
} else {
val originalValueParameter = originalValueParameters[valueParameter.index]
for (valueArgument in resolvedValueArgument.arguments) {
valueArgumentToParameterType[valueArgument] = candidate.resolvedCall.argumentsWithConversion[valueArgument]?.convertedTypeByOriginParameter ?:
valueArgument.getExpectedType(originalValueParameter, candidate.callComponents.languageVersionSettings)
}
}
}
return FlatSignature.create(candidate,
originalDescriptor,
numDefaults,
resolvedCall.atom.argumentsInParenthesis.map { valueArgumentToParameterType[it] } +
listOfNotNull(resolvedCall.atom.externalArgument?.let { valueArgumentToParameterType[it] })
)
}
}
}