Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* 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.translate.general
import org.jetbrains.kotlin.js.backend.ast.*
import org.jetbrains.kotlin.js.translate.context.Namer
import org.jetbrains.kotlin.js.translate.utils.JsAstUtils
import org.jetbrains.kotlin.serialization.js.ModuleKind
object ModuleWrapperTranslation {
@JvmStatic fun wrapIfNecessary(
moduleId: String, function: JsExpression, importedModules: List,
program: JsProgram, kind: ModuleKind
): List {
return when (kind) {
ModuleKind.AMD -> wrapAmd(function, importedModules, program)
ModuleKind.COMMON_JS -> wrapCommonJs(function, importedModules, program)
ModuleKind.UMD -> wrapUmd(moduleId, function, importedModules, program)
ModuleKind.PLAIN -> wrapPlain(moduleId, function, importedModules, program)
ModuleKind.ES -> error("ES modules are not supported in legacy wrapper")
}
}
private fun wrapUmd(
moduleId: String, function: JsExpression,
importedModules: List, program: JsProgram
): List {
val scope = program.scope
val defineName = scope.declareName("define")
val exportsName = scope.declareName("exports")
val adapterBody = JsBlock()
val adapter = JsFunction(program.scope, adapterBody, "Adapter")
val rootName = adapter.scope.declareName("root")
val factoryName = adapter.scope.declareName("factory")
adapter.parameters += JsParameter(rootName)
adapter.parameters += JsParameter(factoryName)
val amdTest = JsAstUtils.and(JsAstUtils.typeOfIs(defineName.makeRef(), JsStringLiteral("function")),
JsNameRef("amd", defineName.makeRef()))
val commonJsTest = JsAstUtils.typeOfIs(exportsName.makeRef(), JsStringLiteral("object"))
val amdBody = JsBlock(wrapAmd(factoryName.makeRef(), importedModules, program))
val commonJsBody = JsBlock(wrapCommonJs(factoryName.makeRef(), importedModules, program))
val plainInvocation = makePlainInvocation(moduleId, factoryName.makeRef(), importedModules, program)
val lhs: JsExpression = if (Namer.requiresEscaping(moduleId)) {
JsArrayAccess(rootName.makeRef(), JsStringLiteral(moduleId))
}
else {
JsNameRef(scope.declareName(moduleId), rootName.makeRef())
}
val plainBlock = JsBlock()
for (importedModule in importedModules) {
plainBlock.statements += addModuleValidation(moduleId, program, importedModule)
}
plainBlock.statements += JsAstUtils.assignment(lhs, plainInvocation).makeStmt()
val selector = JsAstUtils.newJsIf(amdTest, amdBody, JsAstUtils.newJsIf(commonJsTest, commonJsBody, plainBlock))
adapterBody.statements += selector
return listOf(JsInvocation(adapter, JsThisRef(), function).makeStmt())
}
private fun wrapAmd(
function: JsExpression,
importedModules: List, program: JsProgram
): List {
val scope = program.scope
val defineName = scope.declareName("define")
val invocationArgs = listOf(
JsArrayLiteral(listOf(JsStringLiteral("exports")) + importedModules.map { JsStringLiteral(it.externalName) }),
function
)
val invocation = JsInvocation(defineName.makeRef(), invocationArgs)
return listOf(invocation.makeStmt())
}
private fun wrapCommonJs(
function: JsExpression,
importedModules: List,
program: JsProgram
): List {
val scope = program.scope
val moduleName = scope.declareName("module")
val requireName = scope.declareName("require")
val invocationArgs = importedModules.map { JsInvocation(requireName.makeRef(), JsStringLiteral(it.externalName)) }
val invocation = JsInvocation(function, listOf(JsNameRef("exports", moduleName.makeRef())) + invocationArgs)
return listOf(invocation.makeStmt())
}
private fun wrapPlain(
moduleId: String, function: JsExpression,
importedModules: List, program: JsProgram
): List {
val invocation = makePlainInvocation(moduleId, function, importedModules, program)
val statements = mutableListOf()
for (importedModule in importedModules) {
statements += addModuleValidation(moduleId, program, importedModule)
}
statements += if (Namer.requiresEscaping(moduleId)) {
JsAstUtils.assignment(makePlainModuleRef(moduleId, program), invocation).makeStmt()
}
else {
JsAstUtils.newVar(program.rootScope.declareName(moduleId), invocation)
}
return statements
}
private fun addModuleValidation(
currentModuleId: String,
program: JsProgram,
module: JsImportedModule
): JsStatement {
val moduleRef = makePlainModuleRef(module, program)
val moduleExistsCond = JsAstUtils.typeOfIs(moduleRef, JsStringLiteral("undefined"))
val moduleNotFoundMessage = JsStringLiteral(
"Error loading module '" + currentModuleId + "'. Its dependency '" + module.externalName + "' was not found. " +
"Please, check whether '" + module.externalName + "' is loaded prior to '" + currentModuleId + "'.")
val moduleNotFoundThrow = JsThrow(JsNew(JsNameRef("Error"), listOf(moduleNotFoundMessage)))
return JsIf(moduleExistsCond, JsBlock(moduleNotFoundThrow))
}
private fun makePlainInvocation(
moduleId: String,
function: JsExpression,
importedModules: List,
program: JsProgram
): JsInvocation {
val invocationArgs = importedModules.map { makePlainModuleRef(it, program) }
val moduleRef = makePlainModuleRef(moduleId, program)
val testModuleDefined = JsAstUtils.typeOfIs(moduleRef, JsStringLiteral("undefined"))
val selfArg = JsConditional(testModuleDefined, JsObjectLiteral(false), moduleRef.deepCopy())
return JsInvocation(function, listOf(selfArg) + invocationArgs)
}
private fun makePlainModuleRef(module: JsImportedModule, program: JsProgram): JsExpression {
return module.plainReference ?: makePlainModuleRef(module.externalName, program)
}
private fun makePlainModuleRef(moduleId: String, program: JsProgram): JsExpression {
// TODO: we could use `this.moduleName` syntax. However, this does not work for `kotlin` module in Rhino, since
// we run kotlin.js in a parent scope. Consider better solution
return if (Namer.requiresEscaping(moduleId)) {
JsArrayAccess(JsThisRef(), JsStringLiteral(moduleId))
}
else {
program.scope.declareName(moduleId).makeRef()
}
}
}
