org.jetbrains.kotlin.js.translate.utils.utils.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.utils
import com.google.dart.compiler.backend.js.ast.*
import com.intellij.util.SmartList
import org.jetbrains.kotlin.descriptors.FunctionDescriptor
import org.jetbrains.kotlin.js.translate.context.Namer
import org.jetbrains.kotlin.js.translate.context.TranslationContext
import org.jetbrains.kotlin.js.translate.utils.TranslationUtils.simpleReturnFunction
import org.jetbrains.kotlin.resolve.DescriptorUtils
fun generateDelegateCall(
fromDescriptor: FunctionDescriptor,
toDescriptor: FunctionDescriptor,
thisObject: JsExpression,
context: TranslationContext
): JsPropertyInitializer {
val delegateMemberFunctionName = context.getNameForDescriptor(fromDescriptor)
val overriddenMemberFunctionName = context.getNameForDescriptor(toDescriptor)
val overriddenMemberFunctionRef = JsNameRef(overriddenMemberFunctionName, thisObject)
val parameters = SmartList()
val args = SmartList()
val functionScope = context.getScopeForDescriptor(fromDescriptor);
if (DescriptorUtils.isExtension(fromDescriptor)) {
val extensionFunctionReceiverName = functionScope.declareName(Namer.getReceiverParameterName())
parameters.add(JsParameter(extensionFunctionReceiverName))
args.add(JsNameRef(extensionFunctionReceiverName))
}
for (param in fromDescriptor.valueParameters) {
val paramName = param.name.asString()
val jsParamName = functionScope.declareName(paramName)
parameters.add(JsParameter(jsParamName))
args.add(JsNameRef(jsParamName))
}
val functionObject = simpleReturnFunction(context.getScopeForDescriptor(fromDescriptor), JsInvocation(overriddenMemberFunctionRef, args))
functionObject.parameters.addAll(parameters)
return JsPropertyInitializer(delegateMemberFunctionName.makeRef(), functionObject)
}