org.jetbrains.kotlin.backend.jvm.intrinsics.TypeOf.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.backend.jvm.intrinsics

import org.jetbrains.kotlin.backend.jvm.codegen.BlockInfo
import org.jetbrains.kotlin.backend.jvm.codegen.ExpressionCodegen
import org.jetbrains.kotlin.backend.jvm.codegen.IrInlineIntrinsicsSupport
import org.jetbrains.kotlin.backend.jvm.ir.fileParent
import org.jetbrains.kotlin.codegen.inline.ReifiedTypeInliner
import org.jetbrains.kotlin.codegen.inline.generateTypeOf
import org.jetbrains.kotlin.codegen.putReifiedOperationMarkerIfTypeIsReifiedParameter
import org.jetbrains.kotlin.ir.expressions.IrFunctionAccessExpression

object TypeOf : IntrinsicMethod() {
    override fun invoke(expression: IrFunctionAccessExpression, codegen: ExpressionCodegen, data: BlockInfo) = with(codegen) {
        val type = expression.getTypeArgument(0)!!
        if (putReifiedOperationMarkerIfTypeIsReifiedParameter(type, ReifiedTypeInliner.OperationKind.TYPE_OF)) {
            mv.aconst(null) // see ReifiedTypeInliner.processTypeOf
        } else {
            val support = IrInlineIntrinsicsSupport(context, typeMapper, expression, codegen.irFunction.fileParent)
            typeMapper.typeSystem.generateTypeOf(mv, type, support)
        }
        expression.onStack
    }
}