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Added compiler feature suppression macros

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_NO_ forms to disable detection of features - particularly C++11 features.
Also removed SFINAE detection (and use in tostring)
This commit is contained in:
Phil Nash
2015-06-30 08:41:55 +01:00
parent 21f7ef6fdc
commit 7ab3b5aefb
4 changed files with 59 additions and 127 deletions
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100
include/internal/catch_compiler_capabilities.h
View File

@@ -19,20 +19,24 @@
// CATCH_CONFIG_CPP11_OR_GREATER : Is C++11 supported?
// CATCH_CONFIG_SFINAE : is basic (C++03) SFINAE supported?
// CATCH_CONFIG_VARIADIC_MACROS : are variadic macros supported?
// A lot of this code is based on Boost (1.53)
// In general each macro has a _NO_<feature name> form
// (e.g. CATCH_CONFIG_CPP11_NO_NULLPTR) which disables the feature.
// Many features, at point of detection, define an _INTERNAL_ macro, so they
// can be combined, en-mass, with the _NO_ forms later.
// All the C++11 features can be disabled with CATCH_CONFIG_NO_CPP11
#ifdef __clang__
# if __has_feature(cxx_nullptr)
# define CATCH_CONFIG_CPP11_NULLPTR
# define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
# endif
# if __has_feature(cxx_noexcept)
# define CATCH_CONFIG_CPP11_NOEXCEPT
# define CATCH_INTERNAL_CONFIG_CPP11_NOEXCEPT
# endif
#endif // __clang__
@@ -41,9 +45,6 @@
// Borland
#ifdef __BORLANDC__
#if (__BORLANDC__ > 0x582 )
//#define CATCH_CONFIG_SFINAE // Not confirmed
#endif
#endif // __BORLANDC__
@@ -51,9 +52,6 @@
// EDG
#ifdef __EDG_VERSION__
#if (__EDG_VERSION__ > 238 )
//#define CATCH_CONFIG_SFINAE // Not confirmed
#endif
#endif // __EDG_VERSION__
@@ -61,9 +59,6 @@
// Digital Mars
#ifdef __DMC__
#if (__DMC__ > 0x840 )
//#define CATCH_CONFIG_SFINAE // Not confirmed
#endif
#endif // __DMC__
@@ -71,21 +66,8 @@
// GCC
#ifdef __GNUC__
#if __GNUC__ < 3
#if (__GNUC_MINOR__ >= 96 )
//#define CATCH_CONFIG_SFINAE
#endif
#elif __GNUC__ >= 3
// #define CATCH_CONFIG_SFINAE // Taking this out completely for now
#endif // __GNUC__ < 3
#if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6 && defined(__GXX_EXPERIMENTAL_CXX0X__) )
#define CATCH_CONFIG_CPP11_NULLPTR
# define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
#endif
@@ -95,17 +77,13 @@
// Visual C++
#ifdef _MSC_VER
#if (_MSC_VER >= 1310 ) // (VC++ 7.0+)
//#define CATCH_CONFIG_SFINAE // Not confirmed
#endif
#if (_MSC_VER >= 1600)
#define CATCH_CONFIG_CPP11_NULLPTR
# define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
#endif
#if (_MSC_VER >= 1900 ) // (VC++ 13 (VS2015))
#define CATCH_CONFIG_CPP11_NOEXCEPT
#define CATCH_CONFIG_CPP11_GENERATED_METHODS
#define CATCH_INTERNAL_CONFIG_CPP11_NOEXCEPT
#define CATCH_INTERNAL_CONFIG_CPP11_GENERATED_METHODS
#endif
#endif // _MSC_VER
@@ -116,9 +94,7 @@
( defined __GNUC__ && __GNUC__ >= 3 ) || \
( !defined __cplusplus && __STDC_VERSION__ >= 199901L || __cplusplus >= 201103L )
#ifndef CATCH_CONFIG_NO_VARIADIC_MACROS
#define CATCH_CONFIG_VARIADIC_MACROS
#endif
#define CATCH_INTERNAL_CONFIG_VARIADIC_MACROS
#endif
@@ -130,36 +106,53 @@
# define CATCH_CPP11_OR_GREATER
# ifndef CATCH_CONFIG_CPP11_NULLPTR
# define CATCH_CONFIG_CPP11_NULLPTR
# if !defined(CATCH_INTERNAL_CONFIG_CPP11_NULLPTR)
# define CATCH_INTERNAL_CONFIG_CPP11_NULLPTR
# endif
# ifndef CATCH_CONFIG_CPP11_NOEXCEPT
# define CATCH_CONFIG_CPP11_NOEXCEPT
# ifndef CATCH_INTERNAL_CONFIG_CPP11_NOEXCEPT
# define CATCH_INTERNAL_CONFIG_CPP11_NOEXCEPT
# endif
# ifndef CATCH_CONFIG_CPP11_GENERATED_METHODS
# define CATCH_CONFIG_CPP11_GENERATED_METHODS
# ifndef CATCH_INTERNAL_CONFIG_CPP11_GENERATED_METHODS
# define CATCH_INTERNAL_CONFIG_CPP11_GENERATED_METHODS
# endif
# ifndef CATCH_CONFIG_CPP11_IS_ENUM
# define CATCH_CONFIG_CPP11_IS_ENUM
# ifndef CATCH_INTERNAL_CONFIG_CPP11_IS_ENUM
# define CATCH_INTERNAL_CONFIG_CPP11_IS_ENUM
# endif
# ifndef CATCH_CONFIG_CPP11_TUPLE
# define CATCH_CONFIG_CPP11_TUPLE
# ifndef CATCH_INTERNAL_CONFIG_CPP11_TUPLE
# define CATCH_INTERNAL_CONFIG_CPP11_TUPLE
# endif
# ifndef CATCH_CONFIG_SFINAE
//# define CATCH_CONFIG_SFINAE // Don't use, for now
# endif
# ifndef CATCH_CONFIG_VARIADIC_MACROS
# define CATCH_CONFIG_VARIADIC_MACROS
# ifndef CATCH_INTERNAL_CONFIG_VARIADIC_MACROS
# define CATCH_INTERNAL_CONFIG_VARIADIC_MACROS
# endif
#endif // __cplusplus >= 201103L
// Now set the actual defines based on the above + anything the user has configured
#if defined(CATCH_INTERNAL_CONFIG_CPP11_NULLPTR) && !defined(CATCH_CONFIG_CPP11_NO_NULLPTR) && !defined(CATCH_CONFIG_CPP11_NULLPTR) && !defined(CATCH_CONFIG_NO_CPP11)
# define CATCH_CONFIG_CPP11_NULLPTR
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP11_NOEXCEPT) && !defined(CATCH_CONFIG_CPP11_NO_NOEXCEPT) && !defined(CATCH_CONFIG_CPP11_NOEXCEPT) && !defined(CATCH_CONFIG_NO_CPP11)
# define CATCH_CONFIG_CPP11_NOEXCEPT
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP11_GENERATED_METHODS) && !defined(CATCH_CONFIG_CPP11_NO_GENERATED_METHODS) && !defined(CATCH_CONFIG_CPP11_GENERATED_METHODS) && !defined(CATCH_CONFIG_NO_CPP11)
# define CATCH_CONFIG_CPP11_GENERATED_METHODS
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP11_IS_ENUM) && !defined(CATCH_CONFIG_CPP11_NO_IS_ENUM) && !defined(CATCH_CONFIG_CPP11_IS_ENUM) && !defined(CATCH_CONFIG_NO_CPP11)
# define CATCH_CONFIG_CPP11_IS_ENUM
#endif
#if defined(CATCH_INTERNAL_CONFIG_CPP11_TUPLE) && !defined(CATCH_CONFIG_CPP11_NO_TUPLE) && !defined(CATCH_CONFIG_CPP11_TUPLE) && !defined(CATCH_CONFIG_NO_CPP11)
# define CATCH_CONFIG_CPP11_TUPLE
#endif
#if defined(CATCH_INTERNAL_CONFIG_VARIADIC_MACROS) && !defined(CATCH_CONFIG_NO_VARIADIC_MACROS) && !defined(CATCH_CONFIG_VARIADIC_MACROS)
#define CATCH_CONFIG_VARIADIC_MACROS
#endif
// noexcept support:
#if defined(CATCH_CONFIG_CPP11_NOEXCEPT) && !defined(CATCH_NOEXCEPT)
# define CATCH_NOEXCEPT noexcept
@@ -169,5 +162,6 @@
# define CATCH_NOEXCEPT_IS(x)
#endif
#endif // TWOBLUECUBES_CATCH_COMPILER_CAPABILITIES_HPP_INCLUDED

44
include/internal/catch_sfinae.hpp
View File

@@ -1,44 +0,0 @@
/*
* Created by Phil on 15/04/2013.
* Copyright 2013 Two Blue Cubes Ltd. All rights reserved.
*
* Distributed under the Boost Software License, Version 1.0. (See accompanying
* file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
*/
#ifndef TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED
#define TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED
// Try to detect if the current compiler supports SFINAE
#include "catch_compiler_capabilities.h"
namespace Catch {
struct TrueType {
static const bool value = true;
typedef void Enable;
char sizer[1];
};
struct FalseType {
static const bool value = false;
typedef void Disable;
char sizer[2];
};
#ifdef CATCH_CONFIG_SFINAE
template<bool> struct NotABooleanExpression;
template<bool c> struct If : NotABooleanExpression<c> {};
template<> struct If<true> : TrueType {};
template<> struct If<false> : FalseType {};
template<int size> struct SizedIf;
template<> struct SizedIf<sizeof(TrueType)> : TrueType {};
template<> struct SizedIf<sizeof(FalseType)> : FalseType {};
#endif // CATCH_CONFIG_SFINAE
} // end namespace Catch
#endif // TWOBLUECUBES_CATCH_SFINAE_HPP_INCLUDED

28
include/internal/catch_tostring.h
View File

@@ -9,7 +9,6 @@
#define TWOBLUECUBES_CATCH_TOSTRING_H_INCLUDED
#include "catch_common.h"
#include "catch_sfinae.hpp"
#include <sstream>
#include <iomanip>
@@ -68,32 +67,13 @@ namespace Detail {
extern std::string unprintableString;
// SFINAE is currently disabled by default for all compilers.
// If the non SFINAE version of IsStreamInsertable is ambiguous for you
// and your compiler supports SFINAE, try #defining CATCH_CONFIG_SFINAE
#ifdef CATCH_CONFIG_SFINAE
template<typename T>
class IsStreamInsertableHelper {
template<int N> struct TrueIfSizeable : TrueType {};
template<typename T2>
static TrueIfSizeable<sizeof((*(std::ostream*)0) << *((T2 const*)0))> dummy(T2*);
static FalseType dummy(...);
public:
typedef SizedIf<sizeof(dummy((T*)0))> type;
};
template<typename T>
struct IsStreamInsertable : IsStreamInsertableHelper<T>::type {};
#else
struct BorgType {
template<typename T> BorgType( T const& );
};
struct TrueType { char sizer[1]; };
struct FalseType { char sizer[2]; };
TrueType& testStreamable( std::ostream& );
FalseType testStreamable( FalseType );
@@ -106,8 +86,6 @@ namespace Detail {
enum { value = sizeof( testStreamable(s << t) ) == sizeof( TrueType ) };
};
#endif
#if defined(CATCH_CONFIG_CPP11_IS_ENUM)
template<typename T,
bool IsEnum = std::is_enum<T>::value