Index: third_party/WebKit/Source/core/dom/ModulatorImpl.cpp |
diff --git a/third_party/WebKit/Source/core/dom/ModulatorImpl.cpp b/third_party/WebKit/Source/core/dom/ModulatorImpl.cpp |
new file mode 100644 |
index 0000000000000000000000000000000000000000..eca2fdba4ade948bbfc4193012b1b836cbb0c497 |
--- /dev/null |
+++ b/third_party/WebKit/Source/core/dom/ModulatorImpl.cpp |
@@ -0,0 +1,119 @@ |
+// Copyright 2017 The Chromium Authors. All rights reserved. |
dominicc (has gone to gerrit)
2017/01/11 03:23:48
I like how straightforward the implementation of t
|
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#include "core/dom/ModulatorImpl.h" |
+ |
+#include "core/dom/Document.h" |
+#include "core/dom/ModuleMap.h" |
+#include "core/dom/ModuleScript.h" |
+#include "core/dom/ScriptModuleResolverImpl.h" |
+#include "core/dom/TaskRunnerHelper.h" |
+#include "core/fetch/ResourceFetcher.h" |
+#include "core/loader/modulescript/ModuleScriptLoaderRegistry.h" |
+#include "core/loader/modulescript/ModuleTreeLinkerRegistry.h" |
+ |
+namespace blink { |
+ |
+ModulatorImpl* ModulatorImpl::create(RefPtr<ScriptState> scriptState, |
+ Document& document) { |
+ return new ModulatorImpl( |
+ std::move(scriptState), |
+ TaskRunnerHelper::get(TaskType::Networking, &document), |
+ document.fetcher()); |
+} |
+ |
+ModulatorImpl::ModulatorImpl(RefPtr<ScriptState> scriptState, |
+ WebTaskRunner* taskRunner, |
+ ResourceFetcher* fetcher) |
+ : m_scriptState(std::move(scriptState)), |
+ m_taskRunner(taskRunner->clone()), |
+ m_fetcher(fetcher), |
+ m_map(ModuleMap::create(this)), |
+ m_loaderRegistry(ModuleScriptLoaderRegistry::create()), |
+ m_treeLinkerRegistry(ModuleTreeLinkerRegistry::create()), |
+ m_scriptModuleResolver(ScriptModuleResolverImpl::create(this)) { |
+ DCHECK(m_scriptState); |
+ DCHECK(m_fetcher); |
+} |
+ |
+ModulatorImpl::~ModulatorImpl() {} |
+ |
+void ModulatorImpl::fetchTree(const KURL& url, |
+ const KURL& baseURL, |
+ ModuleTreeClient* client) { |
+ // Step 1. Perform the internal module script graph fetching procedure given |
+ // url, settings object, destination, cryptographic nonce, parser state, |
+ // credentials mode, settings object, a new empty list, "client", and with the |
+ // top-level module fetch flag set. If the caller of this algorithm specified |
+ // custom perform the fetch steps, pass those along as well. |
+ HashSet<KURL> emptyAncestorList; |
+ m_treeLinkerRegistry->fetch(url, baseURL, emptyAncestorList, this, client); |
+ |
+ // Step 2. When the internal module script graph fetching procedure |
+ // asynchronously completes with result, asynchronously complete this |
+ // algorithm with result. |
+} |
+ |
+void ModulatorImpl::fetchSingle(const KURL& url, |
+ const KURL& baseURL, |
+ SingleModuleClient* client) { |
+ m_map->retrieveAndFetchIfNeeded(url, baseURL, client); |
+} |
+ |
+void ModulatorImpl::fetchNewSingleModule(const KURL& url, |
+ const KURL& baseURL, |
+ ModuleScriptLoaderClient* client) { |
+ m_loaderRegistry->fetch(url, baseURL, this, m_fetcher.get(), client); |
+} |
+ |
+ModuleScript* ModulatorImpl::retrieveFetchedModuleScript(const KURL& url) { |
+ return m_map->retrieveFetchedModuleScript(url); |
+} |
+ |
+ScriptModule ModulatorImpl::compileModule(const String& script, |
+ const String& urlStr) { |
+ v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate(); |
+ v8::HandleScope handleScope(isolate); |
dominicc (has gone to gerrit)
2017/01/11 06:57:15
ScriptState::Scope has a handle scope; do you need
kouhei (in TOK)
2017/01/17 05:26:13
Done.
|
+ |
+ ScriptState::Scope scope(m_scriptState.get()); |
+ return ScriptModule::compile(isolate, script, urlStr); |
+} |
+ |
+bool ModulatorImpl::instantiateModule(ScriptModule scriptModule) { |
+ v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate(); |
+ v8::HandleScope handleScope(isolate); |
+ |
+ ScriptState::Scope scope(m_scriptState.get()); |
+ return scriptModule.instantiate(m_scriptState.get()); |
+} |
+ |
+Vector<String> ModulatorImpl::moduleRequestsFromScriptModule( |
+ ScriptModule scriptModule) { |
+ v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate(); |
+ v8::HandleScope handleScope(isolate); |
+ |
+ ScriptState::Scope scope(m_scriptState.get()); |
+ return scriptModule.moduleRequests(m_scriptState.get()); |
+} |
+ |
+void ModulatorImpl::executeModule(ScriptModule scriptModule) { |
+ v8::Isolate* isolate = V8PerIsolateData::mainThreadIsolate(); |
+ v8::HandleScope handleScope(isolate); |
+ |
+ ScriptState::Scope scope(m_scriptState.get()); |
+ |
+ v8::MicrotasksScope microtasksScope(isolate, |
+ v8::MicrotasksScope::kRunMicrotasks); |
+ scriptModule.evaluate(m_scriptState.get()); |
dominicc (has gone to gerrit)
2017/01/11 06:57:15
Wonder if this API should take ExceptionState?
kouhei (in TOK)
2017/01/17 05:26:13
I'm not aware of the case when it can throw except
|
+} |
+ |
+DEFINE_TRACE(ModulatorImpl) { |
+ visitor->trace(m_map); |
+ visitor->trace(m_fetcher); |
+ visitor->trace(m_loaderRegistry); |
+ visitor->trace(m_treeLinkerRegistry); |
+ visitor->trace(m_scriptModuleResolver); |
+} |
+ |
+} // namespace blink |