org.jetbrains.kotlin.resolve.extensions.SyntheticResolveExtension.kt Maven / Gradle / Ivy

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/*
 * 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.extensions

import com.intellij.openapi.project.Project
import org.jetbrains.kotlin.descriptors.*
import org.jetbrains.kotlin.extensions.ProjectExtensionDescriptor
import org.jetbrains.kotlin.name.Name
import org.jetbrains.kotlin.resolve.BindingContext
import org.jetbrains.kotlin.resolve.lazy.LazyClassContext
import org.jetbrains.kotlin.resolve.lazy.declarations.ClassMemberDeclarationProvider
import org.jetbrains.kotlin.resolve.lazy.declarations.PackageMemberDeclarationProvider
import org.jetbrains.kotlin.types.KotlinType
import org.jetbrains.kotlin.utils.addToStdlib.flatMapToNullable
import java.util.*

//----------------------------------------------------------------
// extension interface

interface SyntheticResolveExtension {
    companion object : ProjectExtensionDescriptor(
        "org.jetbrains.kotlin.syntheticResolveExtension", SyntheticResolveExtension::class.java
    ) {
        fun getInstance(project: Project): SyntheticResolveExtension {
            val instances = getInstances(project)
            if (instances.size == 1) return instances.single()
            // return list combiner here
            return object : SyntheticResolveExtension {
                override fun getSyntheticNestedClassNames(thisDescriptor: ClassDescriptor): List =
                    instances.flatMap { withLinkageErrorLogger(it) { getSyntheticNestedClassNames(thisDescriptor) } }

                override fun getPossibleSyntheticNestedClassNames(thisDescriptor: ClassDescriptor): List? =
                    instances.flatMapToNullable(ArrayList()) {
                        withLinkageErrorLogger(it) {
                            getPossibleSyntheticNestedClassNames(thisDescriptor)
                        }
                    }

                override fun getSyntheticFunctionNames(thisDescriptor: ClassDescriptor): List =
                    instances.flatMap { withLinkageErrorLogger(it) { getSyntheticFunctionNames(thisDescriptor) } }

                override fun getSyntheticPropertiesNames(thisDescriptor: ClassDescriptor): List =
                    instances.flatMap { withLinkageErrorLogger(it) { getSyntheticPropertiesNames(thisDescriptor) } }

                override fun generateSyntheticClasses(
                    thisDescriptor: ClassDescriptor, name: Name,
                    ctx: LazyClassContext, declarationProvider: ClassMemberDeclarationProvider,
                    result: MutableSet
                ) =
                    instances.forEach {
                        withLinkageErrorLogger(it) {
                            generateSyntheticClasses(thisDescriptor, name, ctx, declarationProvider, result)
                        }
                    }

                override fun generateSyntheticClasses(
                    thisDescriptor: PackageFragmentDescriptor, name: Name,
                    ctx: LazyClassContext, declarationProvider: PackageMemberDeclarationProvider,
                    result: MutableSet
                ) =
                    instances.forEach {
                        withLinkageErrorLogger(it) {
                            generateSyntheticClasses(thisDescriptor, name, ctx, declarationProvider, result)
                        }
                    }

                override fun getSyntheticCompanionObjectNameIfNeeded(thisDescriptor: ClassDescriptor): Name? =
                    instances.firstNotNullOfOrNull { withLinkageErrorLogger(it) { getSyntheticCompanionObjectNameIfNeeded(thisDescriptor) } }

                override fun addSyntheticSupertypes(thisDescriptor: ClassDescriptor, supertypes: MutableList) =
                    instances.forEach { withLinkageErrorLogger(it) { addSyntheticSupertypes(thisDescriptor, supertypes) } }

                // todo revert
                override fun generateSyntheticMethods(
                    thisDescriptor: ClassDescriptor, name: Name,
                    bindingContext: BindingContext,
                    fromSupertypes: List,
                    result: MutableCollection
                ) =
                    instances.forEach {
                        withLinkageErrorLogger(it) {
                            generateSyntheticMethods(
                                thisDescriptor,
                                name,
                                bindingContext,
                                fromSupertypes,
                                result
                            )
                        }
                    }

                override fun generateSyntheticProperties(
                    thisDescriptor: ClassDescriptor, name: Name,
                    bindingContext: BindingContext,
                    fromSupertypes: ArrayList,
                    result: MutableSet
                ) =
                    instances.forEach {
                        withLinkageErrorLogger(it) {
                            generateSyntheticProperties(
                                thisDescriptor,
                                name,
                                bindingContext,
                                fromSupertypes,
                                result
                            )
                        }
                    }

                override fun generateSyntheticSecondaryConstructors(
                    thisDescriptor: ClassDescriptor,
                    bindingContext: BindingContext,
                    result: MutableCollection
                ) {
                    instances.forEach {
                        withLinkageErrorLogger(it) {
                            generateSyntheticSecondaryConstructors(
                                thisDescriptor,
                                bindingContext,
                                result
                            )
                        }
                    }
                }
            }
        }
    }

    fun getSyntheticCompanionObjectNameIfNeeded(thisDescriptor: ClassDescriptor): Name? = null

    fun getSyntheticFunctionNames(thisDescriptor: ClassDescriptor): List = emptyList()

    fun getSyntheticPropertiesNames(thisDescriptor: ClassDescriptor): List = emptyList()

    fun getSyntheticNestedClassNames(thisDescriptor: ClassDescriptor): List = emptyList()

    /**
     * This method should return either superset of what [getSyntheticNestedClassNames] returns,
     * or null in case it needs to run resolution and inference and/or it is very costly.
     * Override this method if resolution started to fail with recursion.
     */
    fun getPossibleSyntheticNestedClassNames(thisDescriptor: ClassDescriptor): List? = getSyntheticNestedClassNames(thisDescriptor)

    fun addSyntheticSupertypes(thisDescriptor: ClassDescriptor, supertypes: MutableList) {}

    fun generateSyntheticClasses(
        thisDescriptor: ClassDescriptor,
        name: Name,
        ctx: LazyClassContext,
        declarationProvider: ClassMemberDeclarationProvider,
        result: MutableSet
    ) {
    }

    fun generateSyntheticClasses(
        thisDescriptor: PackageFragmentDescriptor,
        name: Name,
        ctx: LazyClassContext,
        declarationProvider: PackageMemberDeclarationProvider,
        result: MutableSet
    ) {
    }

    fun generateSyntheticMethods(
        thisDescriptor: ClassDescriptor,
        name: Name,
        bindingContext: BindingContext,
        fromSupertypes: List,
        result: MutableCollection
    ) {
    }

    fun generateSyntheticProperties(
        thisDescriptor: ClassDescriptor,
        name: Name,
        bindingContext: BindingContext,
        fromSupertypes: ArrayList,
        result: MutableSet
    ) {
    }

    fun generateSyntheticSecondaryConstructors(
        thisDescriptor: ClassDescriptor,
        bindingContext: BindingContext,
        result: MutableCollection
    ) {
    }
}