Branch: refs/heads/main
Home: https://github.com/WebKit/WebKit
Commit: 9359aad17416457adec2639e7ef4acec30cbddfa
https://github.com/WebKit/WebKit/commit/9359aad17416457adec2639e7ef4acec30cbddfa
Author: David Kilzer <[email protected]>
Date: 2024-09-26 (Thu, 26 Sep 2024)
Changed paths:
M Source/WTF/wtf/StdLibExtras.h
M Tools/TestWebKitAPI/Tests/WTF/StdLibExtrasTests.cpp
Log Message:
-----------
Optimize WTF::spanReinterpretCast
<https://bugs.webkit.org/show_bug.cgi?id=280032>
<rdar://136330115>
Reviewed by Alex Christensen.
* Source/WTF/wtf/StdLibExtras.h:
(WTF::spanReinterpretCast):
- Fix Extent in return type when std::dynamic_extent is not used.
- Prevent change of size in bytes when passing through
spanReinterpretCast():
- Limit RELEASE_ASSERT() to cases where std::dynamic_extent is used,
and one of the following criteria:
- The source type is smaller than the destination type, or
- The source type is not an integral multiple of the destination
type.
- Use static_assert() when not using std::dynamic_extent.
- Fix name of function in message for static_assert() const-ness check.
* Tools/TestWebKitAPI/Tests/WTF/StdLibExtrasTests.cpp:
(TestWebKitAPI::TEST(WTF_StdLibExtras, SpanReinterpretCast_DynamicExtent)): Add.
(TestWebKitAPI::TEST(WTF_StdLibExtras,
SpanReinterpretCast_DynamicExtent_ManualRuntimeErrors)): Add.
(TestWebKitAPI::TEST(WTF_StdLibExtras, SpanReinterpretCast_NonDynamicExtent)):
Add.
(TestWebKitAPI::TEST(WTF_StdLibExtras,
SpanReinterpretCast_NonDynamicExtent_CompileTimeErros)): Add.
- Add tests.
Canonical link: https://commits.webkit.org/284316@main
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