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Merge pull request #216 from tzlaine/develop

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Add BOOST_NO_CXX17_IF_CONSTEXPR.
This commit is contained in:
jzmaddock
2018-04-18 19:26:47 +01:00
committed by GitHub
parent 28b1b02546 d03a3756d9
commit 29b754ed08
23 changed files with 194 additions and 4 deletions
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3
checks/Jamfile.v2
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@ -1,6 +1,6 @@
#
# *** DO NOT EDIT THIS FILE BY HAND ***
# This file was automatically generated on Wed Jan 03 23:31:31 2018
# This file was automatically generated on Tue Mar 6 17:44:35 2018
# by libs/config/tools/generate.cpp
# Copyright John Maddock.
# Use, modification and distribution are subject to the
@ -111,6 +111,7 @@ obj cxx14_return_type_deduction : test_case.cpp : <define>TEST_BOOST_NO_CXX14_RE
obj cxx14_std_exchange : test_case.cpp : <define>TEST_BOOST_NO_CXX14_STD_EXCHANGE ;
obj cxx14_variable_templates : test_case.cpp : <define>TEST_BOOST_NO_CXX14_VARIABLE_TEMPLATES ;
obj cxx17_fold_expressions : test_case.cpp : <define>TEST_BOOST_NO_CXX17_FOLD_EXPRESSIONS ;
obj cxx17_if_constexpr : test_case.cpp : <define>TEST_BOOST_NO_CXX17_IF_CONSTEXPR ;
obj cxx17_inline_variables : test_case.cpp : <define>TEST_BOOST_NO_CXX17_INLINE_VARIABLES ;
obj cxx17_iterator_traits : test_case.cpp : <define>TEST_BOOST_NO_CXX17_ITERATOR_TRAITS ;
obj cxx17_std_apply : test_case.cpp : <define>TEST_BOOST_NO_CXX17_STD_APPLY ;

7
checks/test_case.cpp
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@ -1,4 +1,4 @@
// This file was automatically generated on Wed Jan 03 23:31:31 2018
// This file was automatically generated on Tue Mar 6 17:44:35 2018
// by libs/config/tools/generate.cpp
// Copyright John Maddock 2002-4.
// Use, modification and distribution are subject to the
@ -511,6 +511,11 @@
# error "Defect macro BOOST_NO_CXX17_FOLD_EXPRESSIONS is defined."
# endif
#endif
#ifdef TEST_BOOST_NO_CXX17_IF_CONSTEXPR
# ifdef BOOST_NO_CXX17_IF_CONSTEXPR
# error "Defect macro BOOST_NO_CXX17_IF_CONSTEXPR is defined."
# endif
#endif
#ifdef TEST_BOOST_NO_CXX17_INLINE_VARIABLES
# ifdef BOOST_NO_CXX17_INLINE_VARIABLES
# error "Defect macro BOOST_NO_CXX17_INLINE_VARIABLES is defined."

3
include/boost/config/compiler/borland.hpp
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@ -239,6 +239,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#if __BORLANDC__ >= 0x590
# define BOOST_HAS_TR1_HASH

4
include/boost/config/compiler/clang.hpp
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@ -294,6 +294,10 @@
# define BOOST_NO_CXX17_STRUCTURED_BINDINGS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
// Clang 3.9+ in c++1z
#if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
# define BOOST_NO_CXX17_INLINE_VARIABLES

4
include/boost/config/compiler/codegear.hpp
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@ -167,6 +167,10 @@
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
//
// TR1 macros:
//

4
include/boost/config/compiler/common_edg.hpp
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@ -149,6 +149,10 @@
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#ifdef c_plusplus
// EDG has "long long" in non-strict mode
// However, some libraries have insufficient "long long" support

3
include/boost/config/compiler/digitalmars.hpp
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@ -124,6 +124,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#if (__DMC__ <= 0x840)
#error "Compiler not supported or configured - please reconfigure"

3
include/boost/config/compiler/gcc.hpp
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@ -299,6 +299,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#if __GNUC__ >= 7
# define BOOST_FALLTHROUGH __attribute__((fallthrough))

3
include/boost/config/compiler/gcc_xml.hpp
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@ -102,6 +102,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#define BOOST_COMPILER "GCC-XML C++ version " __GCCXML__

3
include/boost/config/compiler/metrowerks.hpp
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@ -167,6 +167,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#define BOOST_COMPILER "Metrowerks CodeWarrior C++ version " BOOST_STRINGIZE(BOOST_COMPILER_VERSION)

3
include/boost/config/compiler/mpw.hpp
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@ -116,6 +116,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
//
// versions check:

3
include/boost/config/compiler/pathscale.hpp
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@ -129,4 +129,7 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
#endif

3
include/boost/config/compiler/sunpro_cc.hpp
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@ -182,6 +182,9 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
// Turn on threading support for Solaris 12.
// Ticket #11972

3
include/boost/config/compiler/vacpp.hpp
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@ -178,3 +178,6 @@
#if !defined(__cpp_fold_expressions) || (__cpp_fold_expressions < 201603)
# define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif

1
include/boost/config/compiler/visualc.hpp
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@ -201,6 +201,7 @@
//
#if (_MSC_VER < 1911) || (_MSVC_LANG < 201703)
# define BOOST_NO_CXX17_STRUCTURED_BINDINGS
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
// MSVC including version 14 has not yet completely

4
include/boost/config/compiler/xlcpp.hpp
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@ -246,6 +246,10 @@
# define BOOST_NO_CXX17_STRUCTURED_BINDINGS
#endif
#if !defined(__cpp_if_constexpr) || (__cpp_if_constexpr < 201606)
# define BOOST_NO_CXX17_IF_CONSTEXPR
#endif
// Clang 3.9+ in c++1z
#if !__has_cpp_attribute(fallthrough) || __cplusplus < 201406L
# define BOOST_NO_CXX17_INLINE_VARIABLES

1
include/boost/config/compiler/xlcpp_zos.hpp
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@ -153,6 +153,7 @@
#define BOOST_NO_CXX17_STRUCTURED_BINDINGS
#define BOOST_NO_CXX17_INLINE_VARIABLES
#define BOOST_NO_CXX17_FOLD_EXPRESSIONS
#define BOOST_NO_CXX17_IF_CONSTEXPR
// -------------------------------------

5
test/all/Jamfile.v2
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@ -1,7 +1,7 @@
#
# Regression test Jamfile for boost configuration setup.
# *** DO NOT EDIT THIS FILE BY HAND ***
# This file was automatically generated on Wed Jan 03 23:31:31 2018
# This file was automatically generated on Tue Mar 6 17:44:35 2018
# by libs/config/tools/generate.cpp
# Copyright John Maddock.
# Use, modification and distribution are subject to the
@ -322,6 +322,9 @@ test-suite "BOOST_NO_CXX14_VARIABLE_TEMPLATES" :
test-suite "BOOST_NO_CXX17_FOLD_EXPRESSIONS" :
[ run ../no_cxx17_fold_expressions_pass.cpp ]
[ compile-fail ../no_cxx17_fold_expressions_fail.cpp ] ;
test-suite "BOOST_NO_CXX17_IF_CONSTEXPR" :
[ run ../no_cxx17_if_constexpr_pass.cpp ]
[ compile-fail ../no_cxx17_if_constexpr_fail.cpp ] ;
test-suite "BOOST_NO_CXX17_INLINE_VARIABLES" :
[ run ../no_cxx17_inline_variables_pass.cpp ]
[ compile-fail ../no_cxx17_inline_variables_fail.cpp ] ;

45
test/boost_no_cxx17_if_constexpr.ipp Normal file
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@ -0,0 +1,45 @@
/*
Copyright 2018 T. Zachary Laine
(whatwasthataddress@gmail.com)
Distributed under Boost Software License, Version 1.0.
(See accompanying file LICENSE_1_0.txt or copy at
http://www.boost.org/LICENSE_1_0.txt)
*/
// MACRO: BOOST_NO_CXX17_IF_CONSTEXPR
// TITLE: C++17 if constexpr
// DESCRIPTION: C++17 if constexpr are not supported.
namespace boost_no_cxx17_if_constexpr {
template <typename T, typename U>
struct same
{
static constexpr bool value = false;
};
template <typename T>
struct same<T, T>
{
static constexpr bool value = true;
};
int test()
{
if constexpr (true) {
if constexpr (1 != 0) {
if constexpr (same<int, double>::value) {
static_assert(!same<int, double>::value, "");
return 1;
} else if constexpr (false) {
return 1;
} else {
return 0;
}
}
}
return 1;
}
}

7
test/config_info.cpp
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@ -1158,6 +1158,7 @@ void print_boost_macros()
PRINT_MACRO(BOOST_NO_CXX14_STD_EXCHANGE);
PRINT_MACRO(BOOST_NO_CXX14_VARIABLE_TEMPLATES);
PRINT_MACRO(BOOST_NO_CXX17_FOLD_EXPRESSIONS);
PRINT_MACRO(BOOST_NO_CXX17_IF_CONSTEXPR);
PRINT_MACRO(BOOST_NO_CXX17_INLINE_VARIABLES);
PRINT_MACRO(BOOST_NO_CXX17_ITERATOR_TRAITS);
PRINT_MACRO(BOOST_NO_CXX17_STD_APPLY);
@ -1228,6 +1229,12 @@ void print_boost_macros()
// END GENERATED BLOCK
PRINT_MACRO(BOOST_INTEL);

12
test/config_test.cpp
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@ -1,4 +1,4 @@
// This file was automatically generated on Wed Jan 03 23:31:31 2018
// This file was automatically generated on Tue Mar 6 17:44:35 2018
// by libs/config/tools/generate.cpp
// Copyright John Maddock 2002-4.
// Use, modification and distribution are subject to the
@ -342,6 +342,11 @@ namespace boost_no_cxx14_variable_templates = empty_boost;
#else
namespace boost_no_cxx17_fold_expressions = empty_boost;
#endif
#ifndef BOOST_NO_CXX17_IF_CONSTEXPR
#include "boost_no_cxx17_if_constexpr.ipp"
#else
namespace boost_no_cxx17_if_constexpr = empty_boost;
#endif
#ifndef BOOST_NO_CXX17_INLINE_VARIABLES
#include "boost_no_cxx17_inline_variables.ipp"
#else
@ -1486,6 +1491,11 @@ int main( int, char *[] )
std::cerr << "Failed test for BOOST_NO_CXX17_FOLD_EXPRESSIONS at: " << __FILE__ << ":" << __LINE__ << std::endl;
++error_count;
}
if(0 != boost_no_cxx17_if_constexpr::test())
{
std::cerr << "Failed test for BOOST_NO_CXX17_IF_CONSTEXPR at: " << __FILE__ << ":" << __LINE__ << std::endl;
++error_count;
}
if(0 != boost_no_cxx17_inline_variables::test())
{
std::cerr << "Failed test for BOOST_NO_CXX17_INLINE_VARIABLES at: " << __FILE__ << ":" << __LINE__ << std::endl;

37
test/no_cxx17_if_constexpr_fail.cpp Normal file
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@ -0,0 +1,37 @@
// This file was automatically generated on Tue Mar 6 00:52:32 2018
// by libs/config/tools/generate.cpp
// Copyright John Maddock 2002-4.
// Use, modification and distribution are subject to 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)
// See http://www.boost.org/libs/config for the most recent version.//
// Revision $Id$
//
// Test file for macro BOOST_NO_CXX17_IF_CONSTEXPR
// This file should not compile, if it does then
// BOOST_NO_CXX17_IF_CONSTEXPR should not be defined.
// See file boost_no_cxx17_if_constexpr.ipp for details
// Must not have BOOST_ASSERT_CONFIG set; it defeats
// the objective of this file:
#ifdef BOOST_ASSERT_CONFIG
# undef BOOST_ASSERT_CONFIG
#endif
#include <boost/config.hpp>
#include "test.hpp"
#ifdef BOOST_NO_CXX17_IF_CONSTEXPR
#include "boost_no_cxx17_if_constexpr.ipp"
#else
#error "this file should not compile"
#endif
int main( int, char *[] )
{
return boost_no_cxx17_if_constexpr::test();
}

37
test/no_cxx17_if_constexpr_pass.cpp Normal file
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@ -0,0 +1,37 @@
// This file was automatically generated on Tue Mar 6 00:52:32 2018
// by libs/config/tools/generate.cpp
// Copyright John Maddock 2002-4.
// Use, modification and distribution are subject to 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)
// See http://www.boost.org/libs/config for the most recent version.//
// Revision $Id$
//
// Test file for macro BOOST_NO_CXX17_IF_CONSTEXPR
// This file should compile, if it does not then
// BOOST_NO_CXX17_IF_CONSTEXPR should be defined.
// See file boost_no_cxx17_if_constexpr.ipp for details
// Must not have BOOST_ASSERT_CONFIG set; it defeats
// the objective of this file:
#ifdef BOOST_ASSERT_CONFIG
# undef BOOST_ASSERT_CONFIG
#endif
#include <boost/config.hpp>
#include "test.hpp"
#ifndef BOOST_NO_CXX17_IF_CONSTEXPR
#include "boost_no_cxx17_if_constexpr.ipp"
#else
namespace boost_no_cxx17_if_constexpr = empty_boost;
#endif
int main( int, char *[] )
{
return boost_no_cxx17_if_constexpr::test();
}