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https://github.com/microsoft/GSL.git
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cea0d0ac2b
* Added c++17 test configurations for clang5.0 and clang6.0
* Fixed CppCoreCheck warnings in GSL and tests
- Added CMakeSettings.json for VS Open Folder configuration
- So we can easily run CppCoreCheck in VS
- Fixed CppCorecheck warnings where it made sense
- Suppressed the rest
- Some suppression does not work due to compiler/tool bugs,
so replaced by #pragma disable
- CppCoreCheck has noise, suppressed those with comments
- Catch produces many warnings, blanket-supressed them all
- Had to fix clang formatting to keep attributes in place
- clang-format does not support attributes, so I am using
- "CommentPragmas: '^ NO-FORMAT:'" to skip formatiting on them
- Removed GSL_NOEXCEPT macro, removed incorred noexcepts
* Ignore unknown attributes
* ignore unknown attributes in noexception mode tests
* fixed C26472 in at()
* created GSL_SUPPRESS macro to allow all compilers to parse suppression attributes
* try to fix gcc compilation problems with attributes
* ignore gsl::suppress for gcc
* move suppression to function level on return statements
clang5.0 and up does not allow attributes on return statemets in constexpr functions
* move suppression to function level on return statements
* use GSL_SUPPRESS in algorithm_tests
* Addressed PR comments
62 lines
2.3 KiB
Plaintext
62 lines
2.3 KiB
Plaintext
///////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (c) 2015 Microsoft Corporation. All rights reserved.
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//
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// This code is licensed under the MIT License (MIT).
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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//
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///////////////////////////////////////////////////////////////////////////////
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#ifndef GSL_ALGORITHM_H
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#define GSL_ALGORITHM_H
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#include <gsl/gsl_assert> // for Expects
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#include <gsl/span> // for dynamic_extent, span
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#include <algorithm> // for copy_n
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#include <cstddef> // for ptrdiff_t
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#include <type_traits> // for is_assignable
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#ifdef _MSC_VER
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#pragma warning(push)
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// turn off some warnings that are noisy about our Expects statements
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#pragma warning(disable : 4127) // conditional expression is constant
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#pragma warning(disable : 4996) // unsafe use of std::copy_n
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#endif // _MSC_VER
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namespace gsl
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{
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// Note: this will generate faster code than std::copy using span iterator in older msvc+stl
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// not necessary for msvc since VS2017 15.8 (_MSC_VER >= 1915)
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template <class SrcElementType, std::ptrdiff_t SrcExtent, class DestElementType,
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std::ptrdiff_t DestExtent>
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void copy(span<SrcElementType, SrcExtent> src, span<DestElementType, DestExtent> dest)
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{
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static_assert(std::is_assignable<decltype(*dest.data()), decltype(*src.data())>::value,
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"Elements of source span can not be assigned to elements of destination span");
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static_assert(SrcExtent == dynamic_extent || DestExtent == dynamic_extent ||
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(SrcExtent <= DestExtent),
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"Source range is longer than target range");
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Expects(dest.size() >= src.size());
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GSL_SUPPRESS(stl.1) // NO-FORMAT: attribute
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std::copy_n(src.data(), src.size(), dest.data());
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}
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} // namespace gsl
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#ifdef _MSC_VER
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#pragma warning(pop)
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#endif // _MSC_VER
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#endif // GSL_ALGORITHM_H
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