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/Volumes/Data/worker/Apple-iOS-26-Safer-CPP-Checks-EWS/build/WebKitBuild/Release-iphonesimulator/DerivedSources/WebCore/unified-sources/UnifiedSource118.cpp
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| 24 | |
| 25 | |
| 26 | |
| 27 | #pragma once |
| 28 | |
| 29 | #if ENABLE(WEBASSEMBLY) |
| 30 | |
| 31 | #include "CachedResourceClient.h" |
| 32 | #include "CachedResourceHandle.h" |
| 33 | #include "CachedScript.h" |
| 34 | #include "CachedScriptFetcher.h" |
| 35 | #include "SharedBuffer.h" |
| 36 | #include <JavaScriptCore/SourceProvider.h> |
| 37 | #include <wtf/RefPtr.h> |
| 38 | |
| 39 | namespace WebCore { |
| 40 | |
| 41 | class WebAssemblyCachedScriptSourceProvider final : public JSC::BaseWebAssemblySourceProvider, public CachedResourceClient { |
| 42 | WTF_MAKE_TZONE_ALLOCATED(WebAssemblyCachedScriptSourceProvider); |
| 43 | public: |
| 44 | static Ref<WebAssemblyCachedScriptSourceProvider> create(CachedScript* cachedScript, Ref<CachedScriptFetcher>&& scriptFetcher) |
| 45 | { |
| 46 | return adoptRef(*new WebAssemblyCachedScriptSourceProvider(cachedScript, JSC::SourceOrigin { cachedScript->response().url(), WTF::move(scriptFetcher) }, cachedScript->response().url().string())); |
| 47 | } |
| 48 | |
| 49 | virtual ~WebAssemblyCachedScriptSourceProvider() |
| 50 | { |
| 51 | m_cachedScript->removeClient(*this); |
| 52 | } |
| 53 | |
| 54 | |
| 55 | void ref() const final { JSC::BaseWebAssemblySourceProvider::ref(); } |
| 56 | void deref() const final { JSC::BaseWebAssemblySourceProvider::deref(); } |
| 57 | |
| 58 | unsigned hash() const final { return m_cachedScript->scriptHash(); } |
| 59 | StringView source() const final { return m_cachedScript->script(); } |
| Call argument for 'this' parameter is uncounted and unsafe |
| 60 | size_t size() const final { return m_buffer ? m_buffer->size() : 0; } |
| 61 | |
| 62 | const uint8_t* data() final |
| 63 | { |
| 64 | if (!m_buffer) |
| 65 | return nullptr; |
| 66 | |
| 67 | if (!m_buffer->isContiguous()) |
| 68 | m_buffer = RefPtr { m_buffer }->makeContiguous(); |
| 69 | |
| 70 | return downcast<SharedBuffer>(m_buffer)->span().data(); |
| 71 | } |
| 72 | |
| 73 | void lockUnderlyingBufferImpl() final |
| 74 | { |
| 75 | ASSERT(!m_buffer); |
| 76 | m_buffer = m_cachedScript->resourceBuffer(); |
| 77 | } |
| 78 | |
| 79 | void unlockUnderlyingBufferImpl() final |
| 80 | { |
| 81 | ASSERT(m_buffer); |
| 82 | m_buffer = nullptr; |
| 83 | } |
| 84 | |
| 85 | private: |
| 86 | WebAssemblyCachedScriptSourceProvider(CachedScript* cachedScript, const JSC::SourceOrigin& sourceOrigin, String sourceURL) |
| 87 | : BaseWebAssemblySourceProvider(sourceOrigin, WTF::move(sourceURL)) |
| 88 | , m_cachedScript(cachedScript) |
| 89 | , m_buffer(nullptr) |
| 90 | { |
| 91 | m_cachedScript->addClient(*this); |
| 92 | } |
| 93 | |
| 94 | CachedResourceHandle<CachedScript> m_cachedScript; |
| 95 | RefPtr<FragmentedSharedBuffer> m_buffer; |
| 96 | }; |
| 97 | |
| 98 | } |
| 99 | |
| 100 | #endif // ENABLE(WEBASSEMBLY) |