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AK: Add SFINAE fallback for AK C++ concepts use, for Coverity compiler
The Coverity compiler doesn't support C++2a yet, and thus doesn't even recognize concept keywords. To allow serenity to be built and analyzed on such compilers, add a fallback underdef to perform the same template restriction based on AK::EnableIf<..> meta programming. Note: Coverity does seem to (annoyingly) define __cpp_concepts, even though it doesn't support them, so we need to further check for __COVERITY__ explicitly.
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3 changed files with 17 additions and 3 deletions
10
AK/Stream.h
10
AK/Stream.h
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@ -62,7 +62,11 @@ public:
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virtual bool discard_or_error(size_t count) = 0;
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};
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#if defined(__cpp_concepts) && !defined(__COVERITY__)
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template<Concepts::Integral Integral>
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#else
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template<typename Integral, typename EnableIf<IsIntegral<Integral>::value, int>::Type = 0>
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#endif
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InputStream& operator>>(InputStream& stream, Integral& value)
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{
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stream.read_or_error({ &value, sizeof(value) });
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@ -70,12 +74,18 @@ InputStream& operator>>(InputStream& stream, Integral& value)
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}
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#ifndef KERNEL
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#if defined(__cpp_concepts) && !defined(__COVERITY__)
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template<Concepts::FloatingPoint FloatingPoint>
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#else
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template<typename FloatingPoint, typename EnableIf<IsFloatingPoint<FloatingPoint>::value, int>::Type = 0>
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#endif
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InputStream& operator>>(InputStream& stream, FloatingPoint& value)
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{
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stream.read_or_error({ &value, sizeof(value) });
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return stream;
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}
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#endif
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inline InputStream& operator>>(InputStream& stream, bool& value)
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