org.jetbrains.kotlin.ir.backend.js.lower.calls.ExceptionHelperCallsTransformer.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2018 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.backend.js.lower.calls
import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
import org.jetbrains.kotlin.ir.util.irCall
import org.jetbrains.kotlin.ir.expressions.IrFunctionAccessExpression
import org.jetbrains.kotlin.ir.util.kotlinPackageFqn
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
class ExceptionHelperCallsTransformer(private val context: JsIrBackendContext) : CallsTransformer {
private fun referenceFunction(fqn: FqName) =
context.getFunctions(fqn).singleOrNull()?.let {
context.symbolTable.referenceSimpleFunction(it)
} ?: throw AssertionError("Function not found: $fqn")
private val helperMapping = mapOf(
context.irBuiltIns.checkNotNullSymbol to referenceFunction(kotlinPackageFqn.child(Name.identifier("ensureNotNull"))),
context.irBuiltIns.throwCceSymbol to referenceFunction(kotlinPackageFqn.child(Name.identifier("THROW_CCE"))),
context.irBuiltIns.throwIseSymbol to referenceFunction(kotlinPackageFqn.child(Name.identifier("THROW_ISE"))),
context.irBuiltIns.illegalArgumentExceptionSymbol to referenceFunction(kotlinPackageFqn.child(Name.identifier("THROW_IAE"))),
context.irBuiltIns.noWhenBranchMatchedExceptionSymbol to referenceFunction(kotlinPackageFqn.child(Name.identifier("noWhenBranchMatchedException")))
)
override fun transformFunctionAccess(call: IrFunctionAccessExpression, doNotIntrinsify: Boolean) =
helperMapping[call.symbol]?.let { irCall(call, it) } ?: call
}