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// Copyright 2019 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_JS_MODULE_SCRIPT_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_JS_MODULE_SCRIPT_H_
#include "third_party/blink/renderer/bindings/core/v8/script_value.h"
#include "third_party/blink/renderer/core/core_export.h"
#include "third_party/blink/renderer/core/script/modulator.h"
#include "third_party/blink/renderer/core/script/module_script.h"
#include "third_party/blink/renderer/platform/bindings/name_client.h"
#include "third_party/blink/renderer/platform/bindings/parkable_string.h"
#include "third_party/blink/renderer/platform/heap/handle.h"
#include "third_party/blink/renderer/platform/weborigin/kurl.h"
#include "third_party/blink/renderer/platform/weborigin/kurl_hash.h"
#include "third_party/blink/renderer/platform/wtf/hash_map.h"
#include "third_party/blink/renderer/platform/wtf/text/text_position.h"
namespace blink {
// JSModuleScript is a model object for the "JavaScript module script" spec
// concept. https://html.spec.whatwg.org/C/#javascript-module-script
class CORE_EXPORT JSModuleScript final : public ModuleScript,
public NameClient {
public:
// https://html.spec.whatwg.org/C/#creating-a-javascript-module-script
static JSModuleScript* Create(
const ParkableString& source_text,
SingleCachedMetadataHandler*,
ScriptSourceLocationType,
Modulator*,
const KURL& source_url,
const KURL& base_url,
const ScriptFetchOptions&,
const TextPosition& start_position = TextPosition::MinimumPosition());
// Mostly corresponds to Create() but accepts ModuleRecord as the argument
// and allows null ModuleRecord.
static JSModuleScript* CreateForTest(
Modulator*,
ModuleRecord,
const KURL& base_url,
const ScriptFetchOptions& = ScriptFetchOptions());
// Do not call this constructor. Use Create() instead. This is public only for
// MakeGarbageCollected.
JSModuleScript(Modulator* settings_object,
ModuleRecord record,
const KURL& source_url,
const KURL& base_url,
const ScriptFetchOptions&,
const ParkableString& source_text,
const TextPosition& start_position,
ModuleRecordProduceCacheData*);
~JSModuleScript() override = default;
void ProduceCache() override;
void Trace(Visitor*) override;
const char* NameInHeapSnapshot() const override { return "JSModuleScript"; }
private:
friend class ModuleScriptTest;
static JSModuleScript* CreateInternal(
const ParkableString& source_text,
Modulator*,
ModuleRecord,
const KURL& source_url,
const KURL& base_url,
const ScriptFetchOptions&,
const TextPosition&,
ModuleRecordProduceCacheData* produce_cache_data);
const TextPosition& StartPosition() const { return start_position_; }
String InlineSourceTextForCSP() const override;
// For CSP check.
const ParkableString source_text_;
const TextPosition start_position_;
// Only for ProduceCache(). JSModuleScript keeps |produce_cache_data| because:
// - CompileModule() and ProduceCache() should be called at different
// timings, and
// - There are no persistent object that can hold this in
// bindings/core/v8 side. ModuleRecord should be short-lived and is
// constructed every time in JSModuleScript::Record().
//
// Cleared once ProduceCache() is called, to avoid
// calling V8CodeCache::ProduceCache() multiple times, as a JSModuleScript
// can appear multiple times in multiple module graphs.
Member<ModuleRecordProduceCacheData> produce_cache_data_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_CORE_SCRIPT_JS_MODULE_SCRIPT_H_
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