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/*
* Copyright (C) 2015 Apple Inc. All Rights Reserved.
* Copyright (C) 2016 Yusuke Suzuki <utatane.tea@gmail.com>.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "JSModuleLoader.h"
#include "BuiltinNames.h"
#include "CodeProfiling.h"
#include "Error.h"
#include "Exception.h"
#include "JSCInlines.h"
#include "JSGlobalObjectFunctions.h"
#include "JSInternalPromise.h"
#include "JSInternalPromiseDeferred.h"
#include "JSMap.h"
#include "JSModuleEnvironment.h"
#include "JSModuleRecord.h"
#include "JSSourceCode.h"
#include "ModuleAnalyzer.h"
#include "ModuleLoaderPrototype.h"
#include "Nodes.h"
#include "Parser.h"
#include "ParserError.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(JSModuleLoader);
const ClassInfo JSModuleLoader::s_info = { "ModuleLoader", &Base::s_info, nullptr, CREATE_METHOD_TABLE(JSModuleLoader) };
JSModuleLoader::JSModuleLoader(VM& vm, Structure* structure)
: JSNonFinalObject(vm, structure)
{
}
void JSModuleLoader::finishCreation(ExecState* exec, VM& vm, JSGlobalObject* globalObject)
{
auto scope = DECLARE_CATCH_SCOPE(vm);
Base::finishCreation(vm);
ASSERT(inherits(vm, info()));
JSMap* map = JSMap::create(exec, vm, globalObject->mapStructure());
RELEASE_ASSERT(!scope.exception());
putDirect(vm, Identifier::fromString(&vm, "registry"), map);
}
// ------------------------------ Functions --------------------------------
static String printableModuleKey(ExecState* exec, JSValue key)
{
if (key.isString() || key.isSymbol())
return key.toPropertyKey(exec).impl();
return exec->propertyNames().emptyIdentifier.impl();
}
JSValue JSModuleLoader::provide(ExecState* exec, JSValue key, Status status, const SourceCode& sourceCode)
{
VM& vm = exec->vm();
JSObject* function = jsCast<JSObject*>(get(exec, exec->propertyNames().builtinNames().providePublicName()));
CallData callData;
CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != CallType::None);
SourceCode source { sourceCode };
MarkedArgumentBuffer arguments;
arguments.append(key);
arguments.append(jsNumber(status));
arguments.append(JSSourceCode::create(vm, WTFMove(source)));
return call(exec, function, callType, callData, this, arguments);
}
JSInternalPromise* JSModuleLoader::loadAndEvaluateModule(ExecState* exec, JSValue moduleName, JSValue referrer, JSValue scriptFetcher)
{
JSObject* function = jsCast<JSObject*>(get(exec, exec->propertyNames().builtinNames().loadAndEvaluateModulePublicName()));
CallData callData;
CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(moduleName);
arguments.append(referrer);
arguments.append(scriptFetcher);
return jsCast<JSInternalPromise*>(call(exec, function, callType, callData, this, arguments));
}
JSInternalPromise* JSModuleLoader::loadModule(ExecState* exec, JSValue moduleName, JSValue referrer, JSValue scriptFetcher)
{
JSObject* function = jsCast<JSObject*>(get(exec, exec->propertyNames().builtinNames().loadModulePublicName()));
CallData callData;
CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(moduleName);
arguments.append(referrer);
arguments.append(scriptFetcher);
return jsCast<JSInternalPromise*>(call(exec, function, callType, callData, this, arguments));
}
JSValue JSModuleLoader::linkAndEvaluateModule(ExecState* exec, JSValue moduleKey, JSValue scriptFetcher)
{
JSObject* function = jsCast<JSObject*>(get(exec, exec->propertyNames().builtinNames().linkAndEvaluateModulePublicName()));
CallData callData;
CallType callType = JSC::getCallData(function, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(moduleKey);
arguments.append(scriptFetcher);
return call(exec, function, callType, callData, this, arguments);
}
JSInternalPromise* JSModuleLoader::requestImportModule(ExecState* exec, const Identifier& moduleKey, JSValue scriptFetcher)
{
auto* function = jsCast<JSObject*>(get(exec, exec->propertyNames().builtinNames().requestImportModulePublicName()));
CallData callData;
auto callType = JSC::getCallData(function, callData);
ASSERT(callType != CallType::None);
MarkedArgumentBuffer arguments;
arguments.append(jsString(exec, moduleKey.impl()));
arguments.append(scriptFetcher);
return jsCast<JSInternalPromise*>(call(exec, function, callType, callData, this, arguments));
}
JSInternalPromise* JSModuleLoader::importModule(ExecState* exec, JSString* moduleName, const SourceOrigin& referrer)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [import] ", printableModuleKey(exec, moduleName), "\n");
auto* globalObject = exec->lexicalGlobalObject();
VM& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
if (globalObject->globalObjectMethodTable()->moduleLoaderImportModule)
return globalObject->globalObjectMethodTable()->moduleLoaderImportModule(globalObject, exec, this, moduleName, referrer);
auto* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
auto moduleNameString = moduleName->value(exec);
if (UNLIKELY(scope.exception())) {
JSValue exception = scope.exception()->value();
scope.clearException();
deferred->reject(exec, exception);
return deferred->promise();
}
deferred->reject(exec, createError(exec, makeString("Could not import the module '", moduleNameString, "'.")));
return deferred->promise();
}
JSInternalPromise* JSModuleLoader::resolve(ExecState* exec, JSValue name, JSValue referrer, JSValue scriptFetcher)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [resolve] ", printableModuleKey(exec, name), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderResolve)
return globalObject->globalObjectMethodTable()->moduleLoaderResolve(globalObject, exec, this, name, referrer, scriptFetcher);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->resolve(exec, name);
return deferred->promise();
}
JSInternalPromise* JSModuleLoader::fetch(ExecState* exec, JSValue key, JSValue scriptFetcher)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [fetch] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
VM& vm = globalObject->vm();
auto scope = DECLARE_CATCH_SCOPE(vm);
if (globalObject->globalObjectMethodTable()->moduleLoaderFetch)
return globalObject->globalObjectMethodTable()->moduleLoaderFetch(globalObject, exec, this, key, scriptFetcher);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
String moduleKey = key.toWTFString(exec);
if (UNLIKELY(scope.exception())) {
JSValue exception = scope.exception()->value();
scope.clearException();
deferred->reject(exec, exception);
return deferred->promise();
}
deferred->reject(exec, createError(exec, makeString("Could not open the module '", moduleKey, "'.")));
return deferred->promise();
}
JSInternalPromise* JSModuleLoader::instantiate(ExecState* exec, JSValue key, JSValue source, JSValue scriptFetcher)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [instantiate] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderInstantiate)
return globalObject->globalObjectMethodTable()->moduleLoaderInstantiate(globalObject, exec, this, key, source, scriptFetcher);
JSInternalPromiseDeferred* deferred = JSInternalPromiseDeferred::create(exec, globalObject);
deferred->resolve(exec, jsUndefined());
return deferred->promise();
}
JSValue JSModuleLoader::evaluate(ExecState* exec, JSValue key, JSValue moduleRecordValue, JSValue scriptFetcher)
{
if (Options::dumpModuleLoadingState())
dataLog("Loader [evaluate] ", printableModuleKey(exec, key), "\n");
JSGlobalObject* globalObject = exec->lexicalGlobalObject();
if (globalObject->globalObjectMethodTable()->moduleLoaderEvaluate)
return globalObject->globalObjectMethodTable()->moduleLoaderEvaluate(globalObject, exec, this, key, moduleRecordValue, scriptFetcher);
JSModuleRecord* moduleRecord = jsDynamicCast<JSModuleRecord*>(exec->vm(), moduleRecordValue);
if (!moduleRecord)
return jsUndefined();
return moduleRecord->evaluate(exec);
}
JSModuleNamespaceObject* JSModuleLoader::getModuleNamespaceObject(ExecState* exec, JSValue moduleRecordValue)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
auto* moduleRecord = jsDynamicCast<AbstractModuleRecord*>(vm, moduleRecordValue);
if (!moduleRecord) {
throwTypeError(exec, scope);
return nullptr;
}
scope.release();
return moduleRecord->getModuleNamespace(exec);
}
} // namespace JSC
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