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https://github.com/LadybirdBrowser/ladybird.git
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6ecfcd3e68
Add a ref-counted decoded bytecode cache backing so bytecode cache materialization can create fresh script or module records from a shared decoded sidecar without passing around one-shot raw blob ownership. Keep that backing in ExecutableBacking for records materialized from bytecode cache sidecars, so the immutable decoded data stays alive for as long as the installed record needs it. Cover the shared backing path with a bytecode-cache test that materializes and runs two scripts from one decoded backing.
69 lines
3.1 KiB
C++
69 lines
3.1 KiB
C++
/*
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* Copyright (c) 2022, networkException <networkexception@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibJS/SourceTextModule.h>
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#include <LibJS/SyntheticModule.h>
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#include <LibWeb/Export.h>
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#include <LibWeb/HTML/Scripting/Script.h>
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namespace JS::FFI {
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struct ParsedProgram;
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struct CompiledProgram;
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}
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namespace Web::HTML {
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using ModuleScriptRecord = Variant<Empty, GC::Ref<JS::SourceTextModule>, GC::Ref<JS::SyntheticModule>, GC::Ref<WebAssembly::WebAssemblyModule>>;
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// https://html.spec.whatwg.org/multipage/webappapis.html#module-script
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class WEB_API ModuleScript : public Script {
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GC_CELL(ModuleScript, Script);
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GC_DECLARE_ALLOCATOR(ModuleScript);
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public:
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virtual ~ModuleScript() override;
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create(ByteString const& filename, StringView source, EnvironmentSettingsObject&, URL::URL base_url);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_from_pre_parsed(ByteString const& filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, JS::FFI::ParsedProgram* parsed);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_from_pre_compiled(ByteString const& filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, JS::FFI::CompiledProgram* compiled);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_from_bytecode_cache(ByteString const& filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, NonnullRefPtr<JS::RustIntegration::DecodedBytecodeCache>);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_a_javascript_module_script(ByteString const& filename, StringView source, EnvironmentSettingsObject&, URL::URL base_url);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_a_css_module_script(ByteString const& filename, StringView source, EnvironmentSettingsObject&);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_a_json_module_script(ByteString const& filename, StringView source, EnvironmentSettingsObject&);
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static WebIDL::ExceptionOr<GC::Ptr<ModuleScript>> create_a_webassembly_module_script(ByteString const& filename, ByteBuffer body_bytes, EnvironmentSettingsObject&, URL::URL base_url);
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enum class PreventErrorReporting {
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Yes,
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No
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};
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WebIDL::Promise* run(PreventErrorReporting = PreventErrorReporting::No);
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ModuleScriptRecord record() const { return m_record; }
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protected:
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ModuleScript(Optional<URL::URL> base_url, ByteString filename, EnvironmentSettingsObject&);
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private:
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virtual bool is_module_script() const final { return true; }
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virtual void visit_edges(JS::Cell::Visitor&) override;
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ModuleScriptRecord m_record;
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size_t m_fetch_internal_request_count { 0 };
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size_t m_completed_fetch_internal_request_count { 0 };
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Function<void(ModuleScript const*)> m_completed_fetch_internal_callback;
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};
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}
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template<>
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inline bool JS::Script::HostDefined::fast_is<Web::HTML::ModuleScript>() const { return is_module_script(); }
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