org.jetbrains.kotlin.ir.util.IrInlineUtils.kt Maven / Gradle / Ivy

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/*
 * Copyright 2010-2023 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.ir.util

import org.jetbrains.kotlin.ir.declarations.IrDeclaration
import org.jetbrains.kotlin.ir.declarations.IrFunction
import org.jetbrains.kotlin.ir.declarations.IrValueParameter
import org.jetbrains.kotlin.ir.expressions.*
import org.jetbrains.kotlin.ir.symbols.IrFileSymbol
import org.jetbrains.kotlin.ir.types.IrType
import org.jetbrains.kotlin.ir.types.isNullable

val IrInlinedFunctionBlock.inlineDeclaration: IrDeclaration
    get() = when (val element = inlinedElement) {
        is IrFunction -> element
        is IrFunctionExpression -> element.function
        is IrFunctionReference -> element.symbol.owner
        is IrPropertyReference -> element.symbol.owner
        else -> throw AssertionError("Not supported ir element for inlining ${element.dump()}")
    }
private val IrInlinedFunctionBlock.inlineFunction: IrFunction?
    get() = when (val element = inlinedElement) {
        is IrFunction -> element
        is IrFunctionExpression -> element.function
        is IrFunctionReference -> element.symbol.owner.takeIf { it.isInline }
        else -> null
    }

fun IrInlinedFunctionBlock.isFunctionInlining(): Boolean {
    return this.inlinedElement is IrFunction
}

fun IrInlinedFunctionBlock.isLambdaInlining(): Boolean {
    return !isFunctionInlining()
}

val IrContainerExpression.innerInlinedBlockOrThis: IrContainerExpression
    get() = (this as? IrReturnableBlock)?.statements?.singleOrNull() as? IrInlinedFunctionBlock ?: this
val IrReturnableBlock.inlineFunction: IrFunction?
    get() = (this.statements.singleOrNull() as? IrInlinedFunctionBlock)?.inlineFunction
val IrReturnableBlock.sourceFileSymbol: IrFileSymbol?
    get() = inlineFunction?.fileOrNull?.symbol

fun IrValueParameter.isInlineParameter(type: IrType = this.type) =
    index >= 0 && !isNoinline && !type.isNullable() && (type.isFunction() || type.isSuspendFunction())

fun IrExpression.isAdaptedFunctionReference() =
    this is IrBlock && this.origin == IrStatementOrigin.ADAPTED_FUNCTION_REFERENCE