org.jetbrains.kotlin.resolve.calls.inference.components.ConstraintSystemUtilContext.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
 * Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
 */

package org.jetbrains.kotlin.resolve.calls.inference.components

import org.jetbrains.kotlin.resolve.calls.inference.model.ArgumentConstraintPosition
import org.jetbrains.kotlin.resolve.calls.inference.model.FixVariableConstraintPosition
import org.jetbrains.kotlin.resolve.calls.model.PostponedAtomWithRevisableExpectedType
import org.jetbrains.kotlin.types.model.KotlinTypeMarker
import org.jetbrains.kotlin.types.model.TypeVariableMarker

/*
 * Functions from this context can not be moved to TypeSystemInferenceExtensionContext, because
 *   it's classic implementation, ClassicTypeSystemContext lays in :core:descriptors,
 *   but we need access classes from :compiler:resolution for this function implementation
 */
interface ConstraintSystemUtilContext {
    fun TypeVariableMarker.shouldBeFlexible(): Boolean
    fun TypeVariableMarker.hasOnlyInputTypesAttribute(): Boolean
    fun KotlinTypeMarker.unCapture(): KotlinTypeMarker
    fun TypeVariableMarker.isReified(): Boolean
    fun KotlinTypeMarker.refineType(): KotlinTypeMarker

    // PostponedArgumentInputTypesResolver
    fun createArgumentConstraintPosition(argument: PostponedAtomWithRevisableExpectedType): ArgumentConstraintPosition<*>
    fun  createFixVariableConstraintPosition(variable: TypeVariableMarker, atom: T): FixVariableConstraintPosition
    fun extractLambdaParameterTypesFromDeclaration(declaration: PostponedAtomWithRevisableExpectedType): List?
    fun PostponedAtomWithRevisableExpectedType.isFunctionExpression(): Boolean
    fun PostponedAtomWithRevisableExpectedType.isFunctionExpressionWithReceiver(): Boolean
    fun PostponedAtomWithRevisableExpectedType.isLambda(): Boolean
    fun createTypeVariableForLambdaReturnType(): TypeVariableMarker
    fun createTypeVariableForLambdaParameterType(argument: PostponedAtomWithRevisableExpectedType, index: Int): TypeVariableMarker
    fun createTypeVariableForCallableReferenceReturnType(): TypeVariableMarker
    fun createTypeVariableForCallableReferenceParameterType(
        argument: PostponedAtomWithRevisableExpectedType,
        index: Int
    ): TypeVariableMarker

    val isForcedConsiderExtensionReceiverFromConstrainsInLambda get() = false

    val isForcedAllowForkingInferenceSystem get() = false
}