org.jetbrains.kotlin.js.inline.context.NamingContext.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.context
import com.google.dart.compiler.backend.js.ast.*
import java.util.ArrayList
import java.util.IdentityHashMap
import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
import org.jetbrains.kotlin.js.inline.util.replaceNames
class NamingContext(
private val scope: JsScope,
private val statementContext: JsContext
) {
private val renamings = IdentityHashMap()
private val declarations = ArrayList()
private var addedDeclarations = false
fun applyRenameTo(target: JsNode): JsNode {
if (!addedDeclarations) {
statementContext.addPrevious(declarations)
addedDeclarations = true
}
return replaceNames(target, renamings)
}
fun replaceName(name: JsName, replacement: JsExpression) {
assert(!renamings.containsKey(name)) { "$name has been renamed already" }
renamings.put(name, replacement)
}
fun getFreshName(candidate: String): JsName = scope.declareFreshName(candidate)
fun getFreshName(candidate: JsName): JsName = getFreshName(candidate.ident)
fun newVar(name: JsName, value: JsExpression? = null) {
val vars = JsAstUtils.newVar(name, value)
declarations.add(vars)
}
}