org.jetbrains.kotlinx.atomicfu.compiler.extensions.AtomicfuLoweringExtension.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2022 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.kotlinx.atomicfu.compiler.extensions
import org.jetbrains.kotlin.backend.common.FileLoweringPass
import org.jetbrains.kotlin.backend.common.extensions.IrPluginContext
import org.jetbrains.kotlin.backend.common.extensions.IrGenerationExtension
import org.jetbrains.kotlin.backend.common.runOnFilePostfix
import org.jetbrains.kotlin.ir.IrElement
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
import org.jetbrains.kotlin.ir.visitors.IrElementVisitorVoid
import org.jetbrains.kotlin.ir.visitors.acceptChildrenVoid
import org.jetbrains.kotlin.ir.visitors.acceptVoid
import org.jetbrains.kotlin.platform.isJs
import org.jetbrains.kotlin.platform.jvm.isJvm
import org.jetbrains.kotlin.platform.konan.isNative
import org.jetbrains.kotlinx.atomicfu.compiler.backend.jvm.JvmAtomicSymbols
import org.jetbrains.kotlinx.atomicfu.compiler.backend.js.AtomicfuJsIrTransformer
import org.jetbrains.kotlinx.atomicfu.compiler.backend.jvm.AtomicfuJvmIrTransformer
import org.jetbrains.kotlinx.atomicfu.compiler.backend.native.AtomicfuNativeIrTransformer
import org.jetbrains.kotlinx.atomicfu.compiler.backend.native.NativeAtomicSymbols
public open class AtomicfuLoweringExtension : IrGenerationExtension {
override fun generate(
moduleFragment: IrModuleFragment,
pluginContext: IrPluginContext
) {
val platform = pluginContext.platform
when {
platform.isJvm() -> {
val atomicSymbols = JvmAtomicSymbols(pluginContext, moduleFragment)
AtomicfuJvmIrTransformer(pluginContext, atomicSymbols).transform(moduleFragment)
}
platform.isNative() -> {
val atomicSymbols = NativeAtomicSymbols(pluginContext, moduleFragment)
AtomicfuNativeIrTransformer(pluginContext, atomicSymbols).transform(moduleFragment)
}
platform.isJs() -> {
for (file in moduleFragment.files) {
AtomicfuClassLowering(pluginContext).runOnFileInOrder(file)
}
}
}
}
}
private class AtomicfuClassLowering(
val context: IrPluginContext
) : IrElementTransformerVoid(), FileLoweringPass {
override fun lower(irFile: IrFile) {
if (context.platform.isJs()) {
AtomicfuJsIrTransformer(context).transform(irFile)
}
}
}
/**
* Copy of [runOnFilePostfix], but this implementation first lowers declaration, then its children.
*/
fun FileLoweringPass.runOnFileInOrder(irFile: IrFile) {
irFile.acceptVoid(object : IrElementVisitorVoid {
override fun visitElement(element: IrElement) {
element.acceptChildrenVoid(this)
}
override fun visitFile(declaration: IrFile) {
lower(declaration)
declaration.acceptChildrenVoid(this)
}
})
}