.kotlin.kotlin-compiler.1.3.11.source-code.TypeVariable.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.inference.model
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.ClassifierDescriptor
import org.jetbrains.kotlin.descriptors.TypeParameterDescriptor
import org.jetbrains.kotlin.descriptors.annotations.Annotations
import org.jetbrains.kotlin.resolve.calls.model.LambdaKotlinCallArgument
import org.jetbrains.kotlin.resolve.descriptorUtil.builtIns
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.types.KotlinTypeFactory
import org.jetbrains.kotlin.types.SimpleType
import org.jetbrains.kotlin.types.TypeConstructor
import org.jetbrains.kotlin.types.checker.NewTypeVariableConstructor
class TypeVariableTypeConstructor(private val builtIns: KotlinBuiltIns, val debugName: String) : TypeConstructor,
NewTypeVariableConstructor {
override fun getParameters(): List = emptyList()
override fun getSupertypes(): Collection = emptyList()
override fun isFinal(): Boolean = false
override fun isDenotable(): Boolean = false
override fun getDeclarationDescriptor(): ClassifierDescriptor? = null
override fun getBuiltIns() = builtIns
override fun toString() = "TypeVariable($debugName)"
}
sealed class NewTypeVariable(builtIns: KotlinBuiltIns, name: String) {
val freshTypeConstructor: TypeConstructor = TypeVariableTypeConstructor(builtIns, name)
// member scope is used if we have receiver with type TypeVariable(T)
// todo add to member scope methods from supertypes for type variable
val defaultType: SimpleType = KotlinTypeFactory.simpleTypeWithNonTrivialMemberScope(
Annotations.EMPTY, freshTypeConstructor, arguments = emptyList(),
nullable = false, memberScope = builtIns.any.unsubstitutedMemberScope
)
override fun toString() = freshTypeConstructor.toString()
}
class TypeVariableFromCallableDescriptor(
val originalTypeParameter: TypeParameterDescriptor
) : NewTypeVariable(originalTypeParameter.builtIns, originalTypeParameter.name.identifier)
class TypeVariableForLambdaReturnType(
val lambdaArgument: LambdaKotlinCallArgument,
builtIns: KotlinBuiltIns,
name: String
) : NewTypeVariable(builtIns, name)