org.jetbrains.kotlin.js.translate.intrinsic.objects.objectsIntrinsics.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2015 JetBrains s.r.o.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jetbrains.kotlin.js.translate.intrinsic.objects
import com.google.dart.compiler.backend.js.ast.JsArrayAccess
import com.google.dart.compiler.backend.js.ast.JsExpression
import org.jetbrains.kotlin.builtins.CompanionObjectMapping
import org.jetbrains.kotlin.builtins.KotlinBuiltIns
import org.jetbrains.kotlin.descriptors.ClassDescriptor
import org.jetbrains.kotlin.js.config.LibrarySourcesConfig
import org.jetbrains.kotlin.js.resolve.JsPlatform
import org.jetbrains.kotlin.js.translate.context.TranslationContext
import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
import org.jetbrains.kotlin.name.FqName
import org.jetbrains.kotlin.name.Name
class DefaultClassObjectIntrinsic(val fqName: FqName, val moduleName: String): ObjectIntrinsic {
override fun apply(context: TranslationContext): JsExpression {
val nameRef = context.getQualifiedReference(fqName)
return JsAstUtils.replaceRootReference(
nameRef,
JsArrayAccess(context.namer().kotlin("modules"), context.program().getStringLiteral(moduleName)))
}
}
class ObjectIntrinsics {
private val companionObjectMapping = CompanionObjectMapping(JsPlatform.builtIns)
fun getIntrinsic(classDescriptor: ClassDescriptor): ObjectIntrinsic {
if (!companionObjectMapping.hasMappingToObject(classDescriptor)) return NO_OBJECT_INTRINSIC
val containingDeclaration = classDescriptor.containingDeclaration
val name = Name.identifier(containingDeclaration.name.asString() + "CompanionObject")
return DefaultClassObjectIntrinsic(FqName("kotlin.js.internal").child(name), LibrarySourcesConfig.STDLIB_JS_MODULE_NAME)
}
}
interface ObjectIntrinsic {
fun apply(context: TranslationContext): JsExpression
fun exists(): Boolean = true
}
object NO_OBJECT_INTRINSIC : ObjectIntrinsic {
override fun apply(context: TranslationContext): JsExpression =
throw UnsupportedOperationException("ObjectIntrinsic#NO_OBJECT_INTRINSIC_#apply")
override fun exists(): Boolean = false
}