org.scalajs.linker.backend.emitter.PolyfillableBuiltin.scala Maven / Gradle / Ivy
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/*
* Scala.js (https://www.scala-js.org/)
*
* Copyright EPFL.
*
* Licensed under Apache License 2.0
* (https://www.apache.org/licenses/LICENSE-2.0).
*
* See the NOTICE file distributed with this work for
* additional information regarding copyright ownership.
*/
package org.scalajs.linker.backend.emitter
import org.scalajs.linker.interface.ESVersion
private[emitter] sealed abstract class PolyfillableBuiltin(
val polyfillField: VarField, val availableInESVersion: ESVersion)
private[emitter] object PolyfillableBuiltin {
lazy val All: List[PolyfillableBuiltin] = List(
ObjectIsBuiltin,
ImulBuiltin,
FroundBuiltin,
PrivateSymbolBuiltin,
GetOwnPropertyDescriptorsBuiltin
)
sealed abstract class GlobalVarBuiltin(val globalVar: String,
polyfillField: VarField, availableInESVersion: ESVersion)
extends PolyfillableBuiltin(polyfillField, availableInESVersion)
sealed abstract class NamespacedBuiltin(val namespaceGlobalVar: String,
val builtinName: String, polyfillField: VarField, availableInESVersion: ESVersion)
extends PolyfillableBuiltin(polyfillField, availableInESVersion)
case object ObjectIsBuiltin extends NamespacedBuiltin("Object", "is", VarField.is, ESVersion.ES2015)
case object ImulBuiltin extends NamespacedBuiltin("Math", "imul", VarField.imul, ESVersion.ES2015)
case object FroundBuiltin extends NamespacedBuiltin("Math", "fround", VarField.fround, ESVersion.ES2015)
case object PrivateSymbolBuiltin
extends GlobalVarBuiltin("Symbol", VarField.privateJSFieldSymbol, ESVersion.ES2015)
case object GetOwnPropertyDescriptorsBuiltin extends NamespacedBuiltin("Object",
"getOwnPropertyDescriptors", VarField.getOwnPropertyDescriptors, ESVersion.ES2017)
}