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Cleanup of file-scoped and globally-scoped warning suppression pragmas across pybind11 header files. (#3201)

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* Removing all MSVC C4127 warning suppression pragmas.

* Removing MSVC /WX (WERROR). To get a full list of all warnings.

* Inserting PYBIND11_SILENCE_MSVC_C4127. Changing one runtime if to #if.

* Changing PYBIND11_SILENCE_MSVC_C4127 macro to use absolute namespace (for use outside pybind11 include directory).

* Restoring MSVC /WX (WERROR).

* Removing globally-scoped suppression for clang -Wunsequenced. Based on an experiment under PR #3202 it is obsolete and can simply be removed.
This commit is contained in:
Ralf W. Grosse-Kunstleve
2021-08-19 11:37:04 -07:00
committed by GitHub
parent 774b5ff90b
commit 998d45e431
5 changed files with 10 additions and 42 deletions
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14
tests/test_builtin_casters.cpp
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@@ -10,11 +10,6 @@
#include "pybind11_tests.h"
#include <pybind11/complex.h>
#if defined(_MSC_VER)
# pragma warning(push)
# pragma warning(disable: 4127) // warning C4127: Conditional expression is constant
#endif
struct ConstRefCasted {
int tag;
};
@@ -73,7 +68,7 @@ TEST_SUBMODULE(builtin_casters, m) {
std::wstring wstr;
wstr.push_back(0x61); // a
wstr.push_back(0x2e18); // ⸘
if (sizeof(wchar_t) == 2) { wstr.push_back(mathbfA16_1); wstr.push_back(mathbfA16_2); } // 𝐀, utf16
if (PYBIND11_SILENCE_MSVC_C4127(sizeof(wchar_t) == 2)) { wstr.push_back(mathbfA16_1); wstr.push_back(mathbfA16_2); } // 𝐀, utf16
else { wstr.push_back((wchar_t) mathbfA32); } // 𝐀, utf32
wstr.push_back(0x7a); // z
@@ -83,11 +78,12 @@ TEST_SUBMODULE(builtin_casters, m) {
m.def("good_wchar_string", [=]() { return wstr; }); // a‽𝐀z
m.def("bad_utf8_string", []() { return std::string("abc\xd0" "def"); });
m.def("bad_utf16_string", [=]() { return std::u16string({ b16, char16_t(0xd800), z16 }); });
#if PY_MAJOR_VERSION >= 3
// Under Python 2.7, invalid unicode UTF-32 characters don't appear to trigger UnicodeDecodeError
if (PY_MAJOR_VERSION >= 3)
m.def("bad_utf32_string", [=]() { return std::u32string({ a32, char32_t(0xd800), z32 }); });
if (PY_MAJOR_VERSION >= 3 || sizeof(wchar_t) == 2)
m.def("bad_utf32_string", [=]() { return std::u32string({ a32, char32_t(0xd800), z32 }); });
if (PYBIND11_SILENCE_MSVC_C4127(sizeof(wchar_t) == 2))
m.def("bad_wchar_string", [=]() { return std::wstring({ wchar_t(0x61), wchar_t(0xd800) }); });
#endif
m.def("u8_Z", []() -> char { return 'Z'; });
m.def("u8_eacute", []() -> char { return '\xe9'; });
m.def("u16_ibang", [=]() -> char16_t { return ib16; });