/*
* 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.util.rewriters
import org.jetbrains.kotlin.js.backend.ast.*
class NameReplacingVisitor(private val replaceMap: Map<JsName, JsExpression>) : JsVisitorWithContextImpl() {
override fun endVisit(x: JsNameRef, ctx: JsContext<JsNode>) {
if (x.qualifier != null) return
val replacement = replaceMap[x.name] ?: return
if (replacement is JsNameRef) {
applyToNamedNode(x)
}
else {
val replacementCopy = replacement.deepCopy()
if (x.source != null) {
replacementCopy.source = x.source
}
ctx.replaceMe(accept(replacementCopy))
}
}
override fun endVisit(x: JsVars.JsVar, ctx: JsContext<*>) = applyToNamedNode(x)
override fun endVisit(x: JsLabel, ctx: JsContext<*>) = applyToNamedNode(x)
override fun endVisit(x: JsFunction, ctx: JsContext<*>) = applyToNamedNode(x)
override fun endVisit(x: JsParameter, ctx: JsContext<*>) = applyToNamedNode(x)
private fun applyToNamedNode(x: HasName) {
while (true) {
val replacement = replaceMap[x.name]
if (replacement is HasName) {
x.name = replacement.name
}
else {
break
}
}
}
}