Merge pull request #1582 from crazyscot/master

Use C++17 fallthrough tag instead of disabling compiler warning
This commit is contained in:
Milo Yip 2019-10-08 10:12:13 +08:00 committed by GitHub
commit 6a6bed2759
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2 changed files with 16 additions and 4 deletions

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@ -23,7 +23,6 @@
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(padded)
RAPIDJSON_DIAG_OFF(switch-enum)
RAPIDJSON_DIAG_OFF(implicit-fallthrough)
#elif defined(_MSC_VER)
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
@ -32,9 +31,6 @@ RAPIDJSON_DIAG_OFF(4512) // assignment operator could not be generated
#ifdef __GNUC__
RAPIDJSON_DIAG_PUSH
RAPIDJSON_DIAG_OFF(effc++)
#if __GNUC__ >= 7
RAPIDJSON_DIAG_OFF(implicit-fallthrough)
#endif
#endif
#ifndef RAPIDJSON_REGEX_VERBOSE
@ -291,6 +287,7 @@ private:
if (!CharacterEscape(ds, &codepoint))
return; // Unsupported escape character
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default: // Pattern character
PushOperand(operandStack, codepoint);
@ -520,6 +517,7 @@ private:
else if (!CharacterEscape(ds, &codepoint))
return false;
// fall through to default
RAPIDJSON_DELIBERATE_FALLTHROUGH;
default:
switch (step) {
@ -529,6 +527,7 @@ private:
break;
}
// fall through to step 0 for other characters
RAPIDJSON_DELIBERATE_FALLTHROUGH;
case 0:
{

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@ -591,6 +591,19 @@ RAPIDJSON_NAMESPACE_END
#endif
#endif // RAPIDJSON_HAS_CXX11_RANGE_FOR
///////////////////////////////////////////////////////////////////////////////
// C++17 features
#if defined(__has_cpp_attribute)
# if __has_cpp_attribute(fallthrough)
# define RAPIDJSON_DELIBERATE_FALLTHROUGH [[fallthrough]]
# else
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
# endif
#else
# define RAPIDJSON_DELIBERATE_FALLTHROUGH
#endif
//!@endcond
//! Assertion (in non-throwing contexts).