org.jetbrains.kotlin.js.inline.clean.simplifyWrappedFunctions.kt Maven / Gradle / Ivy
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/*
* Copyright 2010-2017 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.inline.clean
import org.jetbrains.kotlin.js.backend.ast.*
import org.jetbrains.kotlin.js.inline.util.extractFunction
fun simplifyWrappedFunctions(root: JsNode) {
val visitor = object : JsVisitorWithContextImpl() {
override fun endVisit(x: JsInvocation, ctx: JsContext) {
extractFunction(x)?.let { (function, wrapper) ->
if (wrapper != null && wrapper.statements.size == 1) {
ctx.replaceMe(function)
}
}
}
override fun endVisit(x: JsVars, ctx: JsContext) {
x.vars.singleOrNull()?.let { jsVar ->
(jsVar.initExpression as? JsFunction)?.let { function ->
if (function.name == null) {
function.name = jsVar.name
ctx.replaceMe(function.makeStmt())
}
}
}
}
}
visitor.accept(root)
}