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• Utils.kt

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

/*
 * 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.backend.wasm.utils

import org.jetbrains.kotlin.descriptors.Modality
import org.jetbrains.kotlin.ir.IrBuiltIns
import org.jetbrains.kotlin.ir.declarations.IrClass
import org.jetbrains.kotlin.ir.expressions.IrTry

// Backed codegen can only handle try/catch in canonical form.
// Canonical form for the try/catch:
// try {
//   ...exprs
// } catch (e: Throwable) {
//   ...exprs
// }
// no-finally
internal fun IrTry.isCanonical(builtIns: IrBuiltIns) =
    catches.singleOrNull()?.catchParameter?.symbol?.owner?.type == builtIns.throwableType &&
    finallyExpression == null

internal val IrClass.isAbstractOrSealed
    get() = modality == Modality.ABSTRACT || modality == Modality.SEALED