org.jetbrains.kotlin.psi2ir.preprocessing.SourceDeclarationsPreprocessor.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2021 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.psi2ir.preprocessing

import org.jetbrains.kotlin.psi.KtClassOrObject
import org.jetbrains.kotlin.psi.KtDeclaration
import org.jetbrains.kotlin.psi.KtFile
import org.jetbrains.kotlin.psi.synthetics.findClassDescriptor
import org.jetbrains.kotlin.psi2ir.generators.GeneratorContext
import org.jetbrains.kotlin.resolve.DescriptorUtils

class SourceDeclarationsPreprocessor(private val context: GeneratorContext) {

    fun run(ktFiles: Collection) {
        for (ktFile in ktFiles.toSet()) {
            for (ktDeclaration in ktFile.declarations) {
                processDeclaration(ktDeclaration)
            }
        }
    }

    private fun processDeclaration(ktDeclaration: KtDeclaration) {
        when (ktDeclaration) {
            is KtClassOrObject ->
                processClassOrObject(ktDeclaration)
        }
    }

    private fun processClassOrObject(ktClassOrObject: KtClassOrObject) {
        val classDescriptor = ktClassOrObject.findClassDescriptor(context.bindingContext)
        if (DescriptorUtils.isEnumEntry(classDescriptor)) return
        context.symbolTable.referenceClass(classDescriptor)
        ktClassOrObject.body?.let { ktClassBody ->
            ktClassBody.declarations.forEach { processDeclaration(it) }
        }
    }
}