mirror of
https://github.com/LadybirdBrowser/ladybird
synced 2026-05-12 09:56:45 +02:00
c32b5a3f73
Attach cached JavaScript bytecode sidecars to HTTP response headers so WebContent can materialize classic and module scripts directly from a decoded cache blob on cache hits. Carry the disk cache vary key with the sidecar and reuse it when storing fresh bytecode, avoiding mismatches against the augmented network request headers used to create the cache entry. Keep CORS-filtered module responses intact for status, MIME, and script creation checks. Read bytecode sidecar data only from the internal response, and treat decode or materialization failure as a cache miss that falls back to normal source compilation.
59 lines
2.3 KiB
C++
59 lines
2.3 KiB
C++
/*
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* Copyright (c) 2021, Andreas Kling <andreas@ladybird.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/Script.h>
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#include <LibWeb/Export.h>
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#include <LibWeb/Forward.h>
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#include <LibWeb/HTML/Scripting/Script.h>
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namespace Web::HTML {
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// https://html.spec.whatwg.org/multipage/webappapis.html#classic-script
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class WEB_API ClassicScript final : public Script {
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GC_CELL(ClassicScript, Script);
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GC_DECLARE_ALLOCATOR(ClassicScript);
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public:
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virtual ~ClassicScript() override;
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enum class MutedErrors {
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No,
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Yes,
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};
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static GC::Ref<ClassicScript> create(ByteString filename, StringView source, EnvironmentSettingsObject&, URL::URL base_url, size_t source_line_number = 1, MutedErrors = MutedErrors::No);
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static GC::Ref<ClassicScript> create_from_pre_parsed(ByteString filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, JS::FFI::ParsedProgram* parsed, MutedErrors = MutedErrors::No);
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static GC::Ref<ClassicScript> create_from_pre_compiled(ByteString filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, JS::FFI::CompiledProgram* compiled, MutedErrors = MutedErrors::No);
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static GC::Ref<ClassicScript> create_from_bytecode_cache(ByteString filename, NonnullRefPtr<JS::SourceCode const> source_code, EnvironmentSettingsObject&, URL::URL base_url, JS::FFI::DecodedBytecodeCacheBlob*, MutedErrors = MutedErrors::No);
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JS::Script* script_record() { return m_script_record; }
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JS::Script const* script_record() const { return m_script_record; }
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enum class RethrowErrors {
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No,
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Yes,
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};
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JS::Completion run(RethrowErrors = RethrowErrors::No, GC::Ptr<JS::Environment> lexical_environment_override = {});
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MutedErrors muted_errors() const { return m_muted_errors; }
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private:
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ClassicScript(URL::URL base_url, ByteString filename, EnvironmentSettingsObject&);
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virtual bool is_classic_script() const final { return true; }
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virtual void visit_edges(Cell::Visitor&) override;
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GC::Ptr<JS::Script> m_script_record;
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MutedErrors m_muted_errors { MutedErrors::No };
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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::ClassicScript>() const { return is_classic_script(); }
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