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• Annotations.kt

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org.jetbrains.kotlin.backend.wasm.utils.Annotations.kt Maven / Gradle / Ivy

/*
 * Copyright 2010-2019 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.backend.wasm.utils

import org.jetbrains.kotlin.ir.backend.js.utils.getSingleConstStringArgument
import org.jetbrains.kotlin.ir.declarations.IrAnnotationContainer
import org.jetbrains.kotlin.ir.declarations.IrClass
import org.jetbrains.kotlin.ir.expressions.IrClassReference
import org.jetbrains.kotlin.ir.expressions.IrConst
import org.jetbrains.kotlin.ir.types.makeNullable
import org.jetbrains.kotlin.ir.util.defaultType
import org.jetbrains.kotlin.ir.util.getAnnotation
import org.jetbrains.kotlin.ir.util.hasAnnotation
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.wasm.ir.WasmImportPair

fun IrAnnotationContainer.hasExcludedFromCodegenAnnotation(): Boolean =
    hasAnnotation(FqName("kotlin.wasm.internal.ExcludedFromCodegen"))

fun IrAnnotationContainer.getWasmOpAnnotation(): String? =
    getAnnotation(FqName("kotlin.wasm.internal.WasmOp"))?.getSingleConstStringArgument()

fun IrAnnotationContainer.hasWasmNoOpCastAnnotation(): Boolean =
    hasAnnotation(FqName("kotlin.wasm.internal.WasmNoOpCast"))

fun IrAnnotationContainer.hasWasmAutoboxedAnnotation(): Boolean =
    hasAnnotation(FqName("kotlin.wasm.internal.WasmAutoboxed"))

class WasmArrayInfo(val klass: IrClass, val isNullable: Boolean) {
    val type = klass.defaultType.let { if (isNullable) it.makeNullable() else it }
}

fun IrAnnotationContainer.getWasmArrayAnnotation(): WasmArrayInfo? =
    getAnnotation(FqName("kotlin.wasm.internal.WasmArrayOf"))?.let {
        WasmArrayInfo(
            (it.getValueArgument(0) as IrClassReference).symbol.owner as IrClass,
            (it.getValueArgument(1) as IrConst<*>).value as Boolean,
        )
    }

fun IrAnnotationContainer.getJsFunAnnotation(): String? =
    getAnnotation(FqName("kotlin.JsFun"))?.getSingleConstStringArgument()