Rework how warning suppression in macros is done

Previously, each warning suppression was self-contained, with its
own pair of `SUPPRESS_X_WARNING` and `UNSUPPRESS_X_WARNING` macros.
This had the obvious advantage of being self-containing, but it
also meant that if we needed to suppress more than one warning
in a single place, then we would manipulate the compiler's warning
state multiple times, even though logically we would only need one
layer.

The new way of suppressing warnings in macros is to push compiler's
warning state with `CATCH_INTERNAL_START_WARNINGS_SUPPRESSION` macro,
then disable whatever macros we need with the
`CATCH_INTERNAL_SUPPRESS_X_WARNINGS` macro, and then return to the
previous state using `CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION`.
This commit is contained in:
Martin Hořeňovský
2019-10-27 21:07:21 +01:00
parent 2fbd66c51c
commit 849f2848bd
9 changed files with 80 additions and 69 deletions

View File

@@ -75,7 +75,7 @@ struct AutoReg : NonCopyable {
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION(Name, Tags, ...) \
INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_NO_REGISTRATION_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ ) )
#endif
#endif
#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG_NO_REGISTRATION(Name, Tags, Signature, ...) \
@@ -105,21 +105,24 @@ struct AutoReg : NonCopyable {
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TESTCASE2( TestName, ... ) \
static void TestName(); \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &TestName ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
static void TestName()
#define INTERNAL_CATCH_TESTCASE( ... ) \
INTERNAL_CATCH_TESTCASE2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), __VA_ARGS__ )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_METHOD_AS_TEST_CASE( QualifiedMethod, ... ) \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
namespace{ Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( &QualifiedMethod ), CATCH_INTERNAL_LINEINFO, "&" #QualifiedMethod, Catch::NameAndTags{ __VA_ARGS__ } ); } /* NOLINT */ \
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEST_CASE_METHOD2( TestName, ClassName, ... )\
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
namespace{ \
struct TestName : INTERNAL_CATCH_REMOVE_PARENS(ClassName) { \
@@ -127,19 +130,21 @@ struct AutoReg : NonCopyable {
}; \
Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar ) ( Catch::makeTestInvoker( &TestName::test ), CATCH_INTERNAL_LINEINFO, #ClassName, Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
} \
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
void TestName::test()
#define INTERNAL_CATCH_TEST_CASE_METHOD( ClassName, ... ) \
INTERNAL_CATCH_TEST_CASE_METHOD2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_S_T____ ), ClassName, __VA_ARGS__ )
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_REGISTER_TESTCASE( Function, ... ) \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
Catch::AutoReg INTERNAL_CATCH_UNIQUE_NAME( autoRegistrar )( Catch::makeTestInvoker( Function ), CATCH_INTERNAL_LINEINFO, Catch::StringRef(), Catch::NameAndTags{ __VA_ARGS__ } ); /* NOLINT */ \
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION
///////////////////////////////////////////////////////////////////////////////
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_2(TestName, TestFunc, Name, Tags, Signature, ... )\
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
@@ -164,9 +169,7 @@ struct AutoReg : NonCopyable {
}();\
}\
}\
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
INTERNAL_CATCH_DEFINE_SIG_TEST(TestFunc,INTERNAL_CATCH_REMOVE_PARENS(Signature))
#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
@@ -175,7 +178,7 @@ struct AutoReg : NonCopyable {
#else
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE(Name, Tags, ...) \
INTERNAL_CATCH_EXPAND_VARGS( INTERNAL_CATCH_TEMPLATE_TEST_CASE_2( INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____ ), INTERNAL_CATCH_UNIQUE_NAME( ____C_A_T_C_H____T_E_M_P_L_A_T_E____T_E_S_T____F_U_N_C____ ), Name, Tags, typename TestType, __VA_ARGS__ ) )
#endif
#endif
#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_SIG(Name, Tags, Signature, ...) \
@@ -186,9 +189,10 @@ struct AutoReg : NonCopyable {
#endif
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE2(TestName, TestFuncName, Name, Tags, Signature, TmplTypes, TypesList) \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
template<typename TestType> static void TestFuncName(); \
namespace {\
namespace INTERNAL_CATCH_MAKE_NAMESPACE(TestName) { \
@@ -213,9 +217,7 @@ struct AutoReg : NonCopyable {
}(); \
} \
} \
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
template<typename TestType> \
static void TestFuncName()
@@ -236,6 +238,7 @@ struct AutoReg : NonCopyable {
#endif
#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_2(TestName, TestFunc, Name, Tags, TmplList)\
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
template<typename TestType> static void TestFunc(); \
@@ -255,10 +258,9 @@ struct AutoReg : NonCopyable {
TestInit t; \
t.reg_tests(); \
return 0; \
}(); \
}(); \
}}\
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
template<typename TestType> \
static void TestFunc()
@@ -267,6 +269,7 @@ struct AutoReg : NonCopyable {
#define INTERNAL_CATCH_TEMPLATE_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, Signature, ... ) \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
@@ -291,9 +294,7 @@ struct AutoReg : NonCopyable {
}();\
}\
}\
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS\
CATCH_INTERNAL_UNSUPPRESS_ZERO_VARIADIC_WARNINGS\
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS\
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
INTERNAL_CATCH_DEFINE_SIG_TEST_METHOD(TestName, INTERNAL_CATCH_REMOVE_PARENS(Signature))
#ifndef CATCH_CONFIG_TRADITIONAL_MSVC_PREPROCESSOR
@@ -313,6 +314,7 @@ struct AutoReg : NonCopyable {
#endif
#define INTERNAL_CATCH_TEMPLATE_PRODUCT_TEST_CASE_METHOD_2(TestNameClass, TestName, ClassName, Name, Tags, Signature, TmplTypes, TypesList)\
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
@@ -343,9 +345,7 @@ struct AutoReg : NonCopyable {
}(); \
}\
}\
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_ZERO_VARIADIC_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
template<typename TestType> \
void TestName<TestType>::test()
@@ -366,6 +366,7 @@ struct AutoReg : NonCopyable {
#endif
#define INTERNAL_CATCH_TEMPLATE_LIST_TEST_CASE_METHOD_2( TestNameClass, TestName, ClassName, Name, Tags, TmplList) \
CATCH_INTERNAL_START_WARNINGS_SUPPRESSION \
CATCH_INTERNAL_SUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_SUPPRESS_UNUSED_TEMPLATE_WARNINGS \
template<typename TestType> \
@@ -390,8 +391,7 @@ struct AutoReg : NonCopyable {
return 0;\
}(); \
}}\
CATCH_INTERNAL_UNSUPPRESS_GLOBALS_WARNINGS \
CATCH_INTERNAL_UNSUPPRESS_UNUSED_TEMPLATE_WARNINGS \
CATCH_INTERNAL_STOP_WARNINGS_SUPPRESSION \
template<typename TestType> \
void TestName<TestType>::test()