org.jetbrains.kotlin.asJava.builder.LightClassStubWithData.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.asJava.builder

import com.intellij.psi.impl.java.stubs.PsiJavaFileStub
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.psi.KtClassOrObject
import org.jetbrains.kotlin.resolve.diagnostics.Diagnostics

interface LightClassData

interface WithFileStubAndExtraDiagnostics: LightClassData {
    val javaFileStub: PsiJavaFileStub
    val extraDiagnostics: Diagnostics
}

interface LightClassDataForKotlinClass: LightClassData {
    val classOrObject: KtClassOrObject
}

object InvalidLightClassData: WithFileStubAndExtraDiagnostics, LightClassDataForKotlinClass {
    override val javaFileStub: PsiJavaFileStub
        get() = shouldNotBeCalled()
    override val extraDiagnostics: Diagnostics
        get() = shouldNotBeCalled()
    override val classOrObject: KtClassOrObject
        get() = shouldNotBeCalled()

    private fun shouldNotBeCalled(): Nothing = throw UnsupportedOperationException("Should not be called")
}

data class KotlinFacadeLightClassData(
        override val javaFileStub: PsiJavaFileStub,
        override val extraDiagnostics: Diagnostics
): LightClassData, WithFileStubAndExtraDiagnostics

data class InnerKotlinClassLightClassData(
        override val classOrObject: KtClassOrObject
): LightClassDataForKotlinClass

data class OutermostKotlinClassLightClassData(
        override val javaFileStub: PsiJavaFileStub,
        override val extraDiagnostics: Diagnostics,
        override val classOrObject: KtClassOrObject,
        val allInnerClasses: Map
): LightClassDataForKotlinClass, WithFileStubAndExtraDiagnostics {

    fun dataForClass(cls: KtClassOrObject): LightClassDataForKotlinClass? =
            if (cls == classOrObject) this else allInnerClasses[cls]

}