org.jetbrains.kotlin.js.inline.util.namingUtils.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.inline.util
import com.google.dart.compiler.backend.js.ast.*
import org.jetbrains.kotlin.js.inline.context.NamingContext
import org.jetbrains.kotlin.js.inline.util.rewriters.LabelNameRefreshingVisitor
fun aliasArgumentsIfNeeded(
context: NamingContext,
arguments: List,
parameters: List
) {
require(arguments.size <= parameters.size) { "arguments.size (${arguments.size}) should be less or equal to parameters.size (${parameters.size})" }
for ((arg, param) in arguments.zip(parameters)) {
val paramName = param.name
val replacement =
if (arg.needToAlias()) {
val freshName = context.getFreshName(paramName)
context.newVar(freshName, arg)
freshName.makeRef()
} else {
arg
}
context.replaceName(paramName, replacement)
}
val defaultParams = parameters.subList(arguments.size, parameters.size)
for (defaultParam in defaultParams) {
val paramName = defaultParam.name
val freshName = context.getFreshName(paramName)
context.newVar(freshName)
context.replaceName(paramName, freshName.makeRef())
}
}
/**
* Makes function local names fresh in context
*/
fun renameLocalNames(
context: NamingContext,
function: JsFunction
) {
for (name in collectLocalNames(function)) {
val freshName = context.getFreshName(name)
context.replaceName(name, freshName.makeRef())
}
}
fun refreshLabelNames(
context: NamingContext,
function: JsFunction
) {
val scope = function.scope
if (scope !is JsFunctionScope) throw AssertionError("JsFunction is expected to have JsFunctionScope")
val visitor = LabelNameRefreshingVisitor(context, scope)
visitor.accept(function.body)
context.applyRenameTo(function)
}