org.jetbrains.kotlin.ir.backend.js.transformers.irToJs.MultiModuleSupport.kt Maven / Gradle / Ivy
/*
* Copyright 2010-2020 JetBrains s.r.o. and Kotlin Programming Language contributors.
* Use of this source code is governed by the Apache 2.0 license that can be found in the license/LICENSE.txt file.
*/
package org.jetbrains.kotlin.ir.backend.js.transformers.irToJs
import org.jetbrains.kotlin.ir.UNDEFINED_OFFSET
import org.jetbrains.kotlin.ir.backend.js.JsIrBackendContext
import org.jetbrains.kotlin.ir.backend.js.utils.IrNamer
import org.jetbrains.kotlin.ir.backend.js.utils.sanitizeName
import org.jetbrains.kotlin.ir.builders.declarations.addValueParameter
import org.jetbrains.kotlin.ir.builders.declarations.buildFun
import org.jetbrains.kotlin.ir.declarations.*
import org.jetbrains.kotlin.ir.expressions.IrCall
import org.jetbrains.kotlin.ir.expressions.IrExpression
import org.jetbrains.kotlin.ir.expressions.IrGetField
import org.jetbrains.kotlin.ir.expressions.IrSetField
import org.jetbrains.kotlin.ir.expressions.impl.*
import org.jetbrains.kotlin.ir.util.constructedClass
import org.jetbrains.kotlin.ir.util.isEffectivelyExternal
import org.jetbrains.kotlin.ir.visitors.IrElementTransformerVoid
import org.jetbrains.kotlin.ir.visitors.transformChildrenVoid
import org.jetbrains.kotlin.js.backend.ast.JsName
import org.jetbrains.kotlin.name.Name
interface CrossModuleReferenceInfo {
fun exports(module: IrModuleFragment): List
fun withReferenceTracking(namer: IrNamer, excludedModules: Iterable): IrNamerWithImports
}
interface IrNamerWithImports : IrNamer {
fun imports(): List>>
}
object EmptyCrossModuleReferenceInfo : CrossModuleReferenceInfo {
override fun exports(module: IrModuleFragment): List = emptyList()
override fun withReferenceTracking(namer: IrNamer, excludedModules: Iterable): IrNamerWithImports =
object : IrNamerWithImports, IrNamer by namer {
override fun imports() = emptyList>>()
}
}
private class CrossModuleReferenceInfoImpl(val topLevelDeclarationToModule: Map) :
CrossModuleReferenceInfo {
private val exportedNames: MutableMap> = mutableMapOf()
override fun exports(module: IrModuleFragment): List {
return exportedNames[module]?.toList() ?: emptyList()
}
override fun withReferenceTracking(namer: IrNamer, excludedModules: Iterable): IrNamerWithImports {
val excludedModulesSet = excludedModules.toSet()
return object : IrNamerWithImports, IrNamer by namer {
override fun imports(): List>> {
return importedNames.entries.map { (module, names) -> module to names.toList() }
}
private val importedNames: MutableMap> = mutableMapOf()
private fun JsName.track(d: IrDeclaration): JsName {
topLevelDeclarationToModule[d]?.let { module ->
if (module !in excludedModulesSet) {
importedNames.getOrPut(module) { mutableSetOf() } += this.ident
exportedNames.getOrPut(module) { mutableSetOf() } += this.ident
}
}
return this
}
override fun getNameForConstructor(constructor: IrConstructor): JsName {
return namer.getNameForConstructor(constructor).track(constructor.constructedClass)
}
override fun getNameForField(field: IrField): JsName {
return namer.getNameForField(field).track(field)
}
override fun getNameForClass(klass: IrClass): JsName {
return namer.getNameForClass(klass).track(klass)
}
override fun getNameForStaticFunction(function: IrSimpleFunction): JsName {
return namer.getNameForStaticFunction(function).track(function)
}
override fun getNameForStaticDeclaration(declaration: IrDeclarationWithName): JsName {
return namer.getNameForStaticDeclaration(declaration).track(declaration)
}
override fun getNameForProperty(property: IrProperty): JsName {
return namer.getNameForProperty(property).track(property)
}
}
}
}
fun buildCrossModuleReferenceInfo(modules: Iterable): CrossModuleReferenceInfo {
val map = mutableMapOf()
modules.forEach { module ->
module.files.forEach { file ->
file.declarations.forEach { declaration ->
map[declaration] = module
}
}
}
return CrossModuleReferenceInfoImpl(map)
}
val IrModuleFragment.safeName: String
get() = name.asString().safeModuleName
val String.safeModuleName: String
get() {
var result = this
if (result.startsWith('<')) result = result.substring(1)
if (result.endsWith('>')) result = result.substring(0, result.length - 1)
return sanitizeName("kotlin_$result", false)
}