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28 Commits

Author SHA1 Message Date
0c351a9d28 Remove --depth 1 from git submodule update 2017-01-07 14:21:44 +02:00
79a557a340 Merge branch 'develop' 2017-01-04 13:52:14 -05:00
2df73bc024 Add the remaining dependencies to .travis.yml 2016-11-09 19:48:01 +02:00
53b1ee6a75 Add numeric/conversion to .travis.yml 2016-11-09 18:40:03 +02:00
ec2efa53ba Add libs/align to .ravis.yml 2016-11-09 18:23:07 +02:00
fe093c7246 Add timer dependencies to .travis.yml 2016-11-09 17:47:14 +02:00
3a9161a44e Add libs/timer to .travis.yml 2016-11-09 17:35:47 +02:00
fa2d6be8de Add .travis.yml 2016-11-09 17:15:26 +02:00
c326d30f28 Remove std::unary/binary_function use, they have been removed in C++17 2016-11-06 14:43:42 +02:00
6976d15f74 Add, and update, documentation build targets. 2016-10-10 11:39:49 -05:00
21ad529e10 Add, and update, documentation build targets. 2016-10-07 23:07:34 -05:00
bf91c9bb3c Changed implementation to avoid calculating the size of the raw data buffer manually. Trim trailing spaces. 2016-07-16 14:30:45 -06:00
6e98e46e7b Fix gcc 6 warnings about invoking placement new on a buffer of insufficient size. 2016-07-16 14:30:33 -06:00
6a24b1e59c Use Boost.TypeIndex to work with type_info to avoid bunch of workarounds and non-optimal operators. Added RTTI-off tests 2016-07-16 14:29:35 -06:00
fed32bc072 Merge pull request #9 from Lastique/fix_placement_new_warnings
Fix gcc 6 warnings about invoking placement new on a buffer of insufficient size.  Tested with gcc-6.1.0 on RHEL, seems okay.
2016-07-11 16:24:49 -06:00
54988e8e91 Changed implementation to avoid calculating the size of the raw data buffer manually. Trim trailing spaces. 2016-04-02 17:31:22 +03:00
bde64bf9eb Fix gcc 6 warnings about invoking placement new on a buffer of insufficient size. 2016-04-02 14:59:57 +03:00
3eb8954877 Merge pull request #7 from apolukhin/develop
Use Boost.TypeIndex to work with type_info to avoid bunch of ...
2015-07-22 10:53:33 -07:00
42f2a7c714 Merge to master for 1.59.0 release 2015-07-22 10:33:01 -07:00
45ec47542c Merge pull request #8 from eldiener/develop
Use ! operator directly rather than boost::mpl::not with Boost supported...
Please watch the test results, and remind me to merge to master if the tests remain clean
2015-04-27 13:00:41 -07:00
0c467707d9 Remove Borland workaround for obsolete and untested compiler/version. 2015-04-27 14:43:49 -04:00
f0ec326eb0 Use ! operator directly rather than boost::mpl::not with Boost supported compilers. 2015-04-27 04:15:31 -04:00
8998778f51 Use Boost.TypeIndex to work with type_info to avoid bunch of workarounds and non-optimal operators. Added RTTI-off tests 2015-04-25 17:45:13 +03:00
fde855afb0 Merge pull request #6 from MarcelRaad/patch-1
Qualify enable_if with namespace boost
2015-04-03 06:54:46 -07:00
73e4d02b00 Qualify enable_if with namespace boost
Unfortunately the change from enable_if_c to enable_if in 74c9cc9680 broke a lot of other libraries' regression tests on MSVC, which complains about ambiguous symbols.
2015-04-03 08:55:01 +02:00
001fcff9b8 Merge pull request #5 from eldiener/develop
Remove dependency on deprecated type_traits headers.
@eldiener ; please watch the test bots, and let me know if I can merge to release.
2015-04-02 07:36:10 -07:00
8cc1be159b Removed unnecessary header file include 2015-04-02 07:15:26 -04:00
74c9cc9680 Remove dependency on deprecated type_traits headers. 2015-03-30 01:47:08 -04:00
7 changed files with 310 additions and 242 deletions

69
.travis.yml Normal file
View File

@ -0,0 +1,69 @@
# Copyright 2016 Peter Dimov
# Distributed under the Boost Software License, Version 1.0.
# (See accompanying file LICENSE_1_0.txt or copy at http://boost.org/LICENSE_1_0.txt)
language: cpp
sudo: false
os:
- linux
- osx
branches:
only:
- master
- develop
install:
- cd ..
- git clone -b $TRAVIS_BRANCH --depth 1 https://github.com/boostorg/boost.git boost-root
- cd boost-root
- git submodule init libs/algorithm
- git submodule init libs/align
- git submodule init libs/assert
- git submodule init libs/bind
- git submodule init libs/chrono
- git submodule init libs/config
- git submodule init libs/core
- git submodule init libs/detail
- git submodule init libs/exception
- git submodule init libs/integer
- git submodule init libs/io
- git submodule init libs/iterator
- git submodule init libs/lambda
- git submodule init libs/move
- git submodule init libs/mpl
- git submodule init libs/numeric/conversion
- git submodule init libs/predef
- git submodule init libs/preprocessor
- git submodule init libs/range
- git submodule init libs/ratio
- git submodule init libs/rational
- git submodule init libs/smart_ptr
- git submodule init libs/static_assert
- git submodule init libs/system
- git submodule init libs/optional
- git submodule init libs/test
- git submodule init libs/throw_exception
- git submodule init libs/timer
- git submodule init libs/tuple
- git submodule init libs/type_index
- git submodule init libs/type_traits
- git submodule init libs/typeof
- git submodule init libs/utility
- git submodule init libs/winapi
- git submodule init tools/build
- git submodule update
- cp -r $TRAVIS_BUILD_DIR/* libs/function
- ./bootstrap.sh
- ./b2 headers
script:
- TOOLSET=gcc,clang
- if [ $TRAVIS_OS_NAME == osx ]; then TOOLSET=clang; fi
- ./b2 libs/function/test toolset=$TOOLSET
notifications:
email:
on_success: always

View File

@ -14,3 +14,12 @@ boostbook function-doc
<format>pdf:<xsl:param>boost.url.prefix=http://www.boost.org/doc/libs/release/doc/html
;
###############################################################################
alias boostdoc
: function.xml
:
:
: ;
explicit boostdoc ;
alias boostrelease ;
explicit boostrelease ;

View File

@ -128,7 +128,7 @@
<method name="target_type" cv="const">
<type>const std::type_info&amp;</type>
<returns><simpara><code>typeid</code> of the target function object, or <code>typeid(void)</code> if <code>this-&gt;<methodname>empty</methodname>()</code>.</simpara></returns>
<returns><simpara><code>typeid</code> of the target function object, or <code>typeid(void)</code> if <code>this-&gt;<methodname>empty</methodname>()</code>. Works even with RTTI off.</simpara></returns>
<throws><simpara>Will not throw.</simpara></throws>
</method>
</method-group>

View File

@ -16,16 +16,15 @@
#include <memory>
#include <new>
#include <boost/config.hpp>
#include <boost/detail/sp_typeinfo.hpp>
#include <boost/assert.hpp>
#include <boost/integer.hpp>
#include <boost/type_index.hpp>
#include <boost/type_traits/has_trivial_copy.hpp>
#include <boost/type_traits/has_trivial_destructor.hpp>
#include <boost/type_traits/is_const.hpp>
#include <boost/type_traits/is_integral.hpp>
#include <boost/type_traits/is_volatile.hpp>
#include <boost/type_traits/composite_traits.hpp>
#include <boost/type_traits/ice.hpp>
#include <boost/ref.hpp>
#include <boost/mpl/if.hpp>
#include <boost/detail/workaround.hpp>
@ -42,28 +41,6 @@
# pragma warning( push )
# pragma warning( disable : 4793 ) // complaint about native code generation
# pragma warning( disable : 4127 ) // "conditional expression is constant"
#endif
// Define BOOST_FUNCTION_STD_NS to the namespace that contains type_info.
#ifdef BOOST_NO_STD_TYPEINFO
// Embedded VC++ does not have type_info in namespace std
# define BOOST_FUNCTION_STD_NS
#else
# define BOOST_FUNCTION_STD_NS std
#endif
// Borrowed from Boost.Python library: determines the cases where we
// need to use std::type_info::name to compare instead of operator==.
#if defined( BOOST_NO_TYPEID )
# define BOOST_FUNCTION_COMPARE_TYPE_ID(X,Y) ((X)==(Y))
#elif defined(__GNUC__) \
|| defined(_AIX) \
|| ( defined(__sgi) && defined(__host_mips))
# include <cstring>
# define BOOST_FUNCTION_COMPARE_TYPE_ID(X,Y) \
(std::strcmp((X).name(),(Y).name()) == 0)
# else
# define BOOST_FUNCTION_COMPARE_TYPE_ID(X,Y) ((X)==(Y))
#endif
#if defined(__ICL) && __ICL <= 600 || defined(__MWERKS__) && __MWERKS__ < 0x2406 && !defined(BOOST_STRICT_CONFIG)
@ -72,19 +49,10 @@
# define BOOST_FUNCTION_TARGET_FIX(x)
#endif // __ICL etc
#if !BOOST_WORKAROUND(__BORLANDC__, < 0x5A0)
# define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type) \
typename ::boost::enable_if_c<(::boost::type_traits::ice_not< \
(::boost::is_integral<Functor>::value)>::value), \
typename ::boost::enable_if_c< \
!(::boost::is_integral<Functor>::value), \
Type>::type
#else
// BCC doesn't recognize this depends on a template argument and complains
// about the use of 'typename'
# define BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL(Functor,Type) \
::boost::enable_if_c<(::boost::type_traits::ice_not< \
(::boost::is_integral<Functor>::value)>::value), \
Type>::type
#endif
namespace boost {
namespace detail {
@ -97,15 +65,16 @@ namespace boost {
* object pointers, and a structure that resembles a bound
* member function pointer.
*/
union function_buffer
union function_buffer_members
{
// For pointers to function objects
mutable void* obj_ptr;
typedef void* obj_ptr_t;
mutable obj_ptr_t obj_ptr;
// For pointers to std::type_info objects
struct type_t {
// (get_functor_type_tag, check_functor_type_tag).
const detail::sp_typeinfo* type;
const boost::typeindex::type_info* type;
// Whether the type is const-qualified.
bool const_qualified;
@ -114,7 +83,8 @@ namespace boost {
} type;
// For function pointers of all kinds
mutable void (*func_ptr)();
typedef void (*func_ptr_t)();
mutable func_ptr_t func_ptr;
// For bound member pointers
struct bound_memfunc_ptr_t {
@ -129,9 +99,15 @@ namespace boost {
bool is_const_qualified;
bool is_volatile_qualified;
} obj_ref;
};
union function_buffer
{
// Type-specific union members
mutable function_buffer_members members;
// To relax aliasing constraints
mutable char data;
mutable char data[sizeof(function_buffer_members)];
};
/**
@ -198,45 +174,42 @@ namespace boost {
struct reference_manager
{
static inline void
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op)
{
switch (op) {
case clone_functor_tag:
out_buffer.obj_ref = in_buffer.obj_ref;
case clone_functor_tag:
out_buffer.members.obj_ref = in_buffer.members.obj_ref;
return;
case move_functor_tag:
out_buffer.obj_ref = in_buffer.obj_ref;
in_buffer.obj_ref.obj_ptr = 0;
out_buffer.members.obj_ref = in_buffer.members.obj_ref;
in_buffer.members.obj_ref.obj_ptr = 0;
return;
case destroy_functor_tag:
out_buffer.obj_ref.obj_ptr = 0;
out_buffer.members.obj_ref.obj_ptr = 0;
return;
case check_functor_type_tag:
{
const detail::sp_typeinfo& check_type
= *out_buffer.type.type;
// Check whether we have the same type. We can add
// cv-qualifiers, but we can't take them away.
if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(F))
&& (!in_buffer.obj_ref.is_const_qualified
|| out_buffer.type.const_qualified)
&& (!in_buffer.obj_ref.is_volatile_qualified
|| out_buffer.type.volatile_qualified))
out_buffer.obj_ptr = in_buffer.obj_ref.obj_ptr;
if (*out_buffer.members.type.type == boost::typeindex::type_id<F>()
&& (!in_buffer.members.obj_ref.is_const_qualified
|| out_buffer.members.type.const_qualified)
&& (!in_buffer.members.obj_ref.is_volatile_qualified
|| out_buffer.members.type.volatile_qualified))
out_buffer.members.obj_ptr = in_buffer.members.obj_ref.obj_ptr;
else
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
}
return;
case get_functor_type_tag:
out_buffer.type.type = &BOOST_SP_TYPEID(F);
out_buffer.type.const_qualified = in_buffer.obj_ref.is_const_qualified;
out_buffer.type.volatile_qualified = in_buffer.obj_ref.is_volatile_qualified;
out_buffer.members.type.type = &boost::typeindex::type_id<F>().type_info();
out_buffer.members.type.const_qualified = in_buffer.members.obj_ref.is_const_qualified;
out_buffer.members.type.volatile_qualified = in_buffer.members.obj_ref.is_volatile_qualified;
return;
}
}
@ -250,9 +223,9 @@ namespace boost {
struct function_allows_small_object_optimization
{
BOOST_STATIC_CONSTANT
(bool,
(bool,
value = ((sizeof(F) <= sizeof(function_buffer) &&
(alignment_of<function_buffer>::value
(alignment_of<function_buffer>::value
% alignment_of<F>::value == 0))));
};
@ -264,7 +237,7 @@ namespace boost {
A(a)
{
}
functor_wrapper(const functor_wrapper& f) :
F(static_cast<const F&>(f)),
A(static_cast<const A&>(f))
@ -283,61 +256,57 @@ namespace boost {
// Function pointers
static inline void
manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer,
manage_ptr(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op)
{
if (op == clone_functor_tag)
out_buffer.func_ptr = in_buffer.func_ptr;
out_buffer.members.func_ptr = in_buffer.members.func_ptr;
else if (op == move_functor_tag) {
out_buffer.func_ptr = in_buffer.func_ptr;
in_buffer.func_ptr = 0;
out_buffer.members.func_ptr = in_buffer.members.func_ptr;
in_buffer.members.func_ptr = 0;
} else if (op == destroy_functor_tag)
out_buffer.func_ptr = 0;
out_buffer.members.func_ptr = 0;
else if (op == check_functor_type_tag) {
const boost::detail::sp_typeinfo& check_type
= *out_buffer.type.type;
if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
out_buffer.obj_ptr = &in_buffer.func_ptr;
if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
out_buffer.members.obj_ptr = &in_buffer.members.func_ptr;
else
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.type.type = &BOOST_SP_TYPEID(Functor);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
}
}
// Function objects that fit in the small-object buffer.
static inline void
manage_small(const function_buffer& in_buffer, function_buffer& out_buffer,
manage_small(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op)
{
if (op == clone_functor_tag || op == move_functor_tag) {
const functor_type* in_functor =
reinterpret_cast<const functor_type*>(&in_buffer.data);
new (reinterpret_cast<void*>(&out_buffer.data)) functor_type(*in_functor);
const functor_type* in_functor =
reinterpret_cast<const functor_type*>(in_buffer.data);
new (reinterpret_cast<void*>(out_buffer.data)) functor_type(*in_functor);
if (op == move_functor_tag) {
functor_type* f = reinterpret_cast<functor_type*>(&in_buffer.data);
functor_type* f = reinterpret_cast<functor_type*>(in_buffer.data);
(void)f; // suppress warning about the value of f not being used (MSVC)
f->~Functor();
}
} else if (op == destroy_functor_tag) {
// Some compilers (Borland, vc6, ...) are unhappy with ~functor_type.
functor_type* f = reinterpret_cast<functor_type*>(&out_buffer.data);
functor_type* f = reinterpret_cast<functor_type*>(out_buffer.data);
(void)f; // suppress warning about the value of f not being used (MSVC)
f->~Functor();
} else if (op == check_functor_type_tag) {
const detail::sp_typeinfo& check_type
= *out_buffer.type.type;
if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
out_buffer.obj_ptr = &in_buffer.data;
if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
out_buffer.members.obj_ptr = in_buffer.data;
else
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.type.type = &BOOST_SP_TYPEID(Functor);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
}
}
};
@ -350,7 +319,7 @@ namespace boost {
// Function pointers
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, function_ptr_tag)
{
functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
@ -358,15 +327,15 @@ namespace boost {
// Function objects that fit in the small-object buffer.
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::true_)
{
functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
}
// Function objects that require heap allocation
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::false_)
{
if (op == clone_functor_tag) {
@ -376,29 +345,27 @@ namespace boost {
// jewillco: Changing this to static_cast because GCC 2.95.3 is
// obsolete.
const functor_type* f =
static_cast<const functor_type*>(in_buffer.obj_ptr);
static_cast<const functor_type*>(in_buffer.members.obj_ptr);
functor_type* new_f = new functor_type(*f);
out_buffer.obj_ptr = new_f;
out_buffer.members.obj_ptr = new_f;
} else if (op == move_functor_tag) {
out_buffer.obj_ptr = in_buffer.obj_ptr;
in_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
in_buffer.members.obj_ptr = 0;
} else if (op == destroy_functor_tag) {
/* Cast from the void pointer to the functor pointer type */
functor_type* f =
static_cast<functor_type*>(out_buffer.obj_ptr);
static_cast<functor_type*>(out_buffer.members.obj_ptr);
delete f;
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else if (op == check_functor_type_tag) {
const detail::sp_typeinfo& check_type
= *out_buffer.type.type;
if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
out_buffer.obj_ptr = in_buffer.obj_ptr;
if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
else
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.type.type = &BOOST_SP_TYPEID(Functor);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
}
}
@ -406,7 +373,7 @@ namespace boost {
// object can use the small-object optimization buffer or
// whether we need to allocate it on the heap.
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, function_obj_tag)
{
manager(in_buffer, out_buffer, op,
@ -415,7 +382,7 @@ namespace boost {
// For member pointers, we use the small-object optimization buffer.
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, member_ptr_tag)
{
manager(in_buffer, out_buffer, op, mpl::true_());
@ -425,15 +392,15 @@ namespace boost {
/* Dispatch to an appropriate manager based on whether we have a
function pointer or a function object pointer. */
static inline void
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op)
{
typedef typename get_function_tag<functor_type>::type tag_type;
switch (op) {
case get_functor_type_tag:
out_buffer.type.type = &BOOST_SP_TYPEID(functor_type);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
return;
default:
@ -451,7 +418,7 @@ namespace boost {
// Function pointers
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, function_ptr_tag)
{
functor_manager_common<Functor>::manage_ptr(in_buffer,out_buffer,op);
@ -459,15 +426,15 @@ namespace boost {
// Function objects that fit in the small-object buffer.
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::true_)
{
functor_manager_common<Functor>::manage_small(in_buffer,out_buffer,op);
}
// Function objects that require heap allocation
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, mpl::false_)
{
typedef functor_wrapper<Functor,Allocator> functor_wrapper_type;
@ -480,36 +447,34 @@ namespace boost {
// GCC 2.95.3 gets the CV qualifiers wrong here, so we
// can't do the static_cast that we should do.
const functor_wrapper_type* f =
static_cast<const functor_wrapper_type*>(in_buffer.obj_ptr);
static_cast<const functor_wrapper_type*>(in_buffer.members.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*f));
wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
wrapper_allocator.construct(copy, *f);
// Get back to the original pointer type
functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
out_buffer.obj_ptr = new_f;
out_buffer.members.obj_ptr = new_f;
} else if (op == move_functor_tag) {
out_buffer.obj_ptr = in_buffer.obj_ptr;
in_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
in_buffer.members.obj_ptr = 0;
} else if (op == destroy_functor_tag) {
/* Cast from the void pointer to the functor_wrapper_type */
functor_wrapper_type* victim =
static_cast<functor_wrapper_type*>(in_buffer.obj_ptr);
static_cast<functor_wrapper_type*>(in_buffer.members.obj_ptr);
wrapper_allocator_type wrapper_allocator(static_cast<Allocator const &>(*victim));
wrapper_allocator.destroy(victim);
wrapper_allocator.deallocate(victim,1);
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else if (op == check_functor_type_tag) {
const detail::sp_typeinfo& check_type
= *out_buffer.type.type;
if (BOOST_FUNCTION_COMPARE_TYPE_ID(check_type, BOOST_SP_TYPEID(Functor)))
out_buffer.obj_ptr = in_buffer.obj_ptr;
if (*out_buffer.members.type.type == boost::typeindex::type_id<Functor>())
out_buffer.members.obj_ptr = in_buffer.members.obj_ptr;
else
out_buffer.obj_ptr = 0;
out_buffer.members.obj_ptr = 0;
} else /* op == get_functor_type_tag */ {
out_buffer.type.type = &BOOST_SP_TYPEID(Functor);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
}
}
@ -517,7 +482,7 @@ namespace boost {
// object can use the small-object optimization buffer or
// whether we need to allocate it on the heap.
static inline void
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
manager(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op, function_obj_tag)
{
manager(in_buffer, out_buffer, op,
@ -528,15 +493,15 @@ namespace boost {
/* Dispatch to an appropriate manager based on whether we have a
function pointer or a function object pointer. */
static inline void
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
functor_manager_operation_type op)
{
typedef typename get_function_tag<functor_type>::type tag_type;
switch (op) {
case get_functor_type_tag:
out_buffer.type.type = &BOOST_SP_TYPEID(functor_type);
out_buffer.type.const_qualified = false;
out_buffer.type.volatile_qualified = false;
out_buffer.members.type.type = &boost::typeindex::type_id<functor_type>().type_info();
out_buffer.members.type.const_qualified = false;
out_buffer.members.type.volatile_qualified = false;
return;
default:
@ -614,8 +579,8 @@ namespace boost {
*/
struct vtable_base
{
void (*manager)(const function_buffer& in_buffer,
function_buffer& out_buffer,
void (*manager)(const function_buffer& in_buffer,
function_buffer& out_buffer,
functor_manager_operation_type op);
};
} // end namespace function
@ -635,15 +600,15 @@ public:
/** Determine if the function is empty (i.e., has no target). */
bool empty() const { return !vtable; }
/** Retrieve the type of the stored function object, or BOOST_SP_TYPEID(void)
/** Retrieve the type of the stored function object, or type_id<void>()
if this is empty. */
const detail::sp_typeinfo& target_type() const
const boost::typeindex::type_info& target_type() const
{
if (!vtable) return BOOST_SP_TYPEID(void);
if (!vtable) return boost::typeindex::type_id<void>().type_info();
detail::function::function_buffer type;
get_vtable()->manager(functor, type, detail::function::get_functor_type_tag);
return *type.type.type;
return *type.members.type.type;
}
template<typename Functor>
@ -652,12 +617,12 @@ public:
if (!vtable) return 0;
detail::function::function_buffer type_result;
type_result.type.type = &BOOST_SP_TYPEID(Functor);
type_result.type.const_qualified = is_const<Functor>::value;
type_result.type.volatile_qualified = is_volatile<Functor>::value;
get_vtable()->manager(functor, type_result,
type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
type_result.members.type.const_qualified = is_const<Functor>::value;
type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
get_vtable()->manager(functor, type_result,
detail::function::check_functor_type_tag);
return static_cast<Functor*>(type_result.obj_ptr);
return static_cast<Functor*>(type_result.members.obj_ptr);
}
template<typename Functor>
@ -666,14 +631,14 @@ public:
if (!vtable) return 0;
detail::function::function_buffer type_result;
type_result.type.type = &BOOST_SP_TYPEID(Functor);
type_result.type.const_qualified = true;
type_result.type.volatile_qualified = is_volatile<Functor>::value;
get_vtable()->manager(functor, type_result,
type_result.members.type.type = &boost::typeindex::type_id<Functor>().type_info();
type_result.members.type.const_qualified = true;
type_result.members.type.volatile_qualified = is_volatile<Functor>::value;
get_vtable()->manager(functor, type_result,
detail::function::check_functor_type_tag);
// GCC 2.95.3 gets the CV qualifiers wrong here, so we
// can't do the static_cast that we should do.
return static_cast<const Functor*>(type_result.obj_ptr);
return static_cast<const Functor*>(type_result.members.obj_ptr);
}
template<typename F>
@ -893,10 +858,9 @@ namespace detail {
} // end namespace boost
#undef BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL
#undef BOOST_FUNCTION_COMPARE_TYPE_ID
#if defined(BOOST_MSVC)
# pragma warning( pop )
#endif
#endif
#endif // BOOST_FUNCTION_BASE_HEADER

View File

@ -16,7 +16,7 @@
#if defined(BOOST_MSVC)
# pragma warning( push )
# pragma warning( disable : 4127 ) // "conditional expression is constant"
#endif
#endif
#define BOOST_FUNCTION_TEMPLATE_PARMS BOOST_PP_ENUM_PARAMS(BOOST_FUNCTION_NUM_ARGS, typename T)
@ -97,7 +97,7 @@ namespace boost {
static R invoke(function_buffer& function_ptr BOOST_FUNCTION_COMMA
BOOST_FUNCTION_PARMS)
{
FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.func_ptr);
FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr);
return f(BOOST_FUNCTION_ARGS);
}
};
@ -114,7 +114,7 @@ namespace boost {
BOOST_FUNCTION_PARMS)
{
FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.func_ptr);
FunctionPtr f = reinterpret_cast<FunctionPtr>(function_ptr.members.func_ptr);
BOOST_FUNCTION_RETURN(f(BOOST_FUNCTION_ARGS));
}
};
@ -132,9 +132,9 @@ namespace boost {
{
FunctionObj* f;
if (function_allows_small_object_optimization<FunctionObj>::value)
f = reinterpret_cast<FunctionObj*>(&function_obj_ptr.data);
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data);
else
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.obj_ptr);
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
return (*f)(BOOST_FUNCTION_ARGS);
}
};
@ -153,9 +153,9 @@ namespace boost {
{
FunctionObj* f;
if (function_allows_small_object_optimization<FunctionObj>::value)
f = reinterpret_cast<FunctionObj*>(&function_obj_ptr.data);
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.data);
else
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.obj_ptr);
f = reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS));
}
};
@ -171,8 +171,8 @@ namespace boost {
BOOST_FUNCTION_PARMS)
{
FunctionObj* f =
reinterpret_cast<FunctionObj*>(function_obj_ptr.obj_ptr);
FunctionObj* f =
reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
return (*f)(BOOST_FUNCTION_ARGS);
}
};
@ -189,8 +189,8 @@ namespace boost {
BOOST_FUNCTION_PARMS)
{
FunctionObj* f =
reinterpret_cast<FunctionObj*>(function_obj_ptr.obj_ptr);
FunctionObj* f =
reinterpret_cast<FunctionObj*>(function_obj_ptr.members.obj_ptr);
BOOST_FUNCTION_RETURN((*f)(BOOST_FUNCTION_ARGS));
}
};
@ -208,8 +208,8 @@ namespace boost {
BOOST_FUNCTION_PARMS)
{
MemberPtr* f =
reinterpret_cast<MemberPtr*>(&function_obj_ptr.data);
MemberPtr* f =
reinterpret_cast<MemberPtr*>(function_obj_ptr.data);
return boost::mem_fn(*f)(BOOST_FUNCTION_ARGS);
}
};
@ -226,8 +226,8 @@ namespace boost {
BOOST_FUNCTION_PARMS)
{
MemberPtr* f =
reinterpret_cast<MemberPtr*>(&function_obj_ptr.data);
MemberPtr* f =
reinterpret_cast<MemberPtr*>(function_obj_ptr.data);
BOOST_FUNCTION_RETURN(boost::mem_fn(*f)(BOOST_FUNCTION_ARGS));
}
};
@ -322,7 +322,7 @@ namespace boost {
/* Given the tag returned by get_function_tag, retrieve the
actual invoker that will be used for the given function
object.
object.
Each specialization contains an "apply" nested class template
that accepts the function object, return type, function
@ -513,21 +513,21 @@ namespace boost {
private:
// Function pointers
template<typename FunctionPtr>
bool
bool
assign_to(FunctionPtr f, function_buffer& functor, function_ptr_tag) const
{
this->clear(functor);
if (f) {
// should be a reinterpret cast, but some compilers insist
// on giving cv-qualifiers to free functions
functor.func_ptr = reinterpret_cast<void (*)()>(f);
functor.members.func_ptr = reinterpret_cast<void (*)()>(f);
return true;
} else {
return false;
}
}
template<typename FunctionPtr,typename Allocator>
bool
bool
assign_to_a(FunctionPtr f, function_buffer& functor, Allocator, function_ptr_tag) const
{
return assign_to(f,functor,function_ptr_tag());
@ -566,13 +566,13 @@ namespace boost {
// Function objects
// Assign to a function object using the small object optimization
template<typename FunctionObj>
void
void
assign_functor(FunctionObj f, function_buffer& functor, mpl::true_) const
{
new (reinterpret_cast<void*>(&functor.data)) FunctionObj(f);
new (reinterpret_cast<void*>(functor.data)) FunctionObj(f);
}
template<typename FunctionObj,typename Allocator>
void
void
assign_functor_a(FunctionObj f, function_buffer& functor, Allocator, mpl::true_) const
{
assign_functor(f,functor,mpl::true_());
@ -580,13 +580,13 @@ namespace boost {
// Assign to a function object allocated on the heap.
template<typename FunctionObj>
void
void
assign_functor(FunctionObj f, function_buffer& functor, mpl::false_) const
{
functor.obj_ptr = new FunctionObj(f);
functor.members.obj_ptr = new FunctionObj(f);
}
template<typename FunctionObj,typename Allocator>
void
void
assign_functor_a(FunctionObj f, function_buffer& functor, Allocator a, mpl::false_) const
{
typedef functor_wrapper<FunctionObj,Allocator> functor_wrapper_type;
@ -597,15 +597,15 @@ namespace boost {
wrapper_allocator_pointer_type copy = wrapper_allocator.allocate(1);
wrapper_allocator.construct(copy, functor_wrapper_type(f,a));
functor_wrapper_type* new_f = static_cast<functor_wrapper_type*>(copy);
functor.obj_ptr = new_f;
functor.members.obj_ptr = new_f;
}
template<typename FunctionObj>
bool
bool
assign_to(FunctionObj f, function_buffer& functor, function_obj_tag) const
{
if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
assign_functor(f, functor,
assign_functor(f, functor,
mpl::bool_<(function_allows_small_object_optimization<FunctionObj>::value)>());
return true;
} else {
@ -613,7 +613,7 @@ namespace boost {
}
}
template<typename FunctionObj,typename Allocator>
bool
bool
assign_to_a(FunctionObj f, function_buffer& functor, Allocator a, function_obj_tag) const
{
if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
@ -627,18 +627,18 @@ namespace boost {
// Reference to a function object
template<typename FunctionObj>
bool
assign_to(const reference_wrapper<FunctionObj>& f,
bool
assign_to(const reference_wrapper<FunctionObj>& f,
function_buffer& functor, function_obj_ref_tag) const
{
functor.obj_ref.obj_ptr = (void *)(f.get_pointer());
functor.obj_ref.is_const_qualified = is_const<FunctionObj>::value;
functor.obj_ref.is_volatile_qualified = is_volatile<FunctionObj>::value;
functor.members.obj_ref.obj_ptr = (void *)(f.get_pointer());
functor.members.obj_ref.is_const_qualified = is_const<FunctionObj>::value;
functor.members.obj_ref.is_volatile_qualified = is_volatile<FunctionObj>::value;
return true;
}
template<typename FunctionObj,typename Allocator>
bool
assign_to_a(const reference_wrapper<FunctionObj>& f,
bool
assign_to_a(const reference_wrapper<FunctionObj>& f,
function_buffer& functor, Allocator, function_obj_ref_tag) const
{
return assign_to(f,functor,function_obj_ref_tag());
@ -656,17 +656,6 @@ namespace boost {
BOOST_FUNCTION_TEMPLATE_PARMS
>
class BOOST_FUNCTION_FUNCTION : public function_base
#if BOOST_FUNCTION_NUM_ARGS == 1
, public std::unary_function<T0,R>
#elif BOOST_FUNCTION_NUM_ARGS == 2
, public std::binary_function<T0,T1,R>
#endif
{
public:
#ifndef BOOST_NO_VOID_RETURNS
@ -717,9 +706,8 @@ namespace boost {
template<typename Functor>
BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f
#ifndef BOOST_NO_SFINAE
,typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
,typename boost::enable_if_c<
!(is_integral<Functor>::value),
int>::type = 0
#endif // BOOST_NO_SFINAE
) :
@ -730,9 +718,8 @@ namespace boost {
template<typename Functor,typename Allocator>
BOOST_FUNCTION_FUNCTION(Functor BOOST_FUNCTION_TARGET_FIX(const &) f, Allocator a
#ifndef BOOST_NO_SFINAE
,typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
,typename boost::enable_if_c<
!(is_integral<Functor>::value),
int>::type = 0
#endif // BOOST_NO_SFINAE
) :
@ -754,14 +741,14 @@ namespace boost {
{
this->assign_to_own(f);
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
BOOST_FUNCTION_FUNCTION(BOOST_FUNCTION_FUNCTION&& f) : function_base()
{
this->move_assign(f);
}
#endif
~BOOST_FUNCTION_FUNCTION() { clear(); }
result_type operator()(BOOST_FUNCTION_PARMS) const
@ -780,9 +767,8 @@ namespace boost {
// construct.
template<typename Functor>
#ifndef BOOST_NO_SFINAE
typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
typename boost::enable_if_c<
!(is_integral<Functor>::value),
BOOST_FUNCTION_FUNCTION&>::type
#else
BOOST_FUNCTION_FUNCTION&
@ -843,12 +829,11 @@ namespace boost {
BOOST_CATCH_END
return *this;
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
// Move assignment from another BOOST_FUNCTION_FUNCTION
BOOST_FUNCTION_FUNCTION& operator=(BOOST_FUNCTION_FUNCTION&& f)
{
if (&f == this)
return *this;
@ -925,10 +910,10 @@ namespace boost {
typedef typename boost::detail::function::get_function_tag<Functor>::type tag;
typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker;
typedef typename get_invoker::
template apply<Functor, R BOOST_FUNCTION_COMMA
template apply<Functor, R BOOST_FUNCTION_COMMA
BOOST_FUNCTION_TEMPLATE_ARGS>
handler_type;
typedef typename handler_type::invoker_type invoker_type;
typedef typename handler_type::manager_type manager_type;
@ -936,7 +921,7 @@ namespace boost {
// static initialization. Otherwise, we will have a race
// condition here in multi-threaded code. See
// http://thread.gmane.org/gmane.comp.lib.boost.devel/164902/.
static const vtable_type stored_vtable =
static const vtable_type stored_vtable =
{ { &manager_type::manage }, &invoker_type::invoke };
if (stored_vtable.assign_to(f, functor)) {
@ -947,7 +932,7 @@ namespace boost {
boost::detail::function::function_allows_small_object_optimization<Functor>::value)
value |= static_cast<std::size_t>(0x01);
vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value);
} else
} else
vtable = 0;
}
@ -959,11 +944,11 @@ namespace boost {
typedef typename boost::detail::function::get_function_tag<Functor>::type tag;
typedef boost::detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker;
typedef typename get_invoker::
template apply_a<Functor, R BOOST_FUNCTION_COMMA
template apply_a<Functor, R BOOST_FUNCTION_COMMA
BOOST_FUNCTION_TEMPLATE_ARGS,
Allocator>
handler_type;
typedef typename handler_type::invoker_type invoker_type;
typedef typename handler_type::manager_type manager_type;
@ -974,7 +959,7 @@ namespace boost {
static const vtable_type stored_vtable =
{ { &manager_type::manage }, &invoker_type::invoke };
if (stored_vtable.assign_to_a(f, functor, a)) {
if (stored_vtable.assign_to_a(f, functor, a)) {
std::size_t value = reinterpret_cast<std::size_t>(&stored_vtable.base);
// coverity[pointless_expression]: suppress coverity warnings on apparant if(const).
if (boost::has_trivial_copy_constructor<Functor>::value &&
@ -982,15 +967,15 @@ namespace boost {
boost::detail::function::function_allows_small_object_optimization<Functor>::value)
value |= static_cast<std::size_t>(0x01);
vtable = reinterpret_cast<boost::detail::function::vtable_base *>(value);
} else
} else
vtable = 0;
}
// Moves the value from the specified argument to *this. If the argument
// has its function object allocated on the heap, move_assign will pass
// its buffer to *this, and set the argument's buffer pointer to NULL.
void move_assign(BOOST_FUNCTION_FUNCTION& f)
{
// Moves the value from the specified argument to *this. If the argument
// has its function object allocated on the heap, move_assign will pass
// its buffer to *this, and set the argument's buffer pointer to NULL.
void move_assign(BOOST_FUNCTION_FUNCTION& f)
{
if (&f == this)
return;
@ -1068,9 +1053,8 @@ public:
template<typename Functor>
function(Functor f
#ifndef BOOST_NO_SFINAE
,typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
,typename boost::enable_if_c<
!(is_integral<Functor>::value),
int>::type = 0
#endif
) :
@ -1080,9 +1064,8 @@ public:
template<typename Functor,typename Allocator>
function(Functor f, Allocator a
#ifndef BOOST_NO_SFINAE
,typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
,typename boost::enable_if_c<
!(is_integral<Functor>::value),
int>::type = 0
#endif
) :
@ -1103,7 +1086,7 @@ public:
function(self_type&& f): base_type(static_cast<base_type&&>(f)){}
function(base_type&& f): base_type(static_cast<base_type&&>(f)){}
#endif
self_type& operator=(const self_type& f)
{
self_type(f).swap(*this);
@ -1116,13 +1099,12 @@ public:
self_type(static_cast<self_type&&>(f)).swap(*this);
return *this;
}
#endif
#endif
template<typename Functor>
#ifndef BOOST_NO_SFINAE
typename enable_if_c<
(boost::type_traits::ice_not<
(is_integral<Functor>::value)>::value),
typename boost::enable_if_c<
!(is_integral<Functor>::value),
self_type&>::type
#else
self_type&
@ -1146,14 +1128,14 @@ public:
self_type(f).swap(*this);
return *this;
}
#ifndef BOOST_NO_CXX11_RVALUE_REFERENCES
self_type& operator=(base_type&& f)
{
self_type(static_cast<base_type&&>(f)).swap(*this);
return *this;
}
#endif
#endif
};
#undef BOOST_FUNCTION_PARTIAL_SPEC
@ -1193,4 +1175,4 @@ public:
#if defined(BOOST_MSVC)
# pragma warning( pop )
#endif
#endif

View File

@ -21,6 +21,8 @@ import testing ;
:
[ run libs/function/test/function_test.cpp : : : : lib_function_test ]
[ run libs/function/test/function_test.cpp : : : <rtti>off : lib_function_test_no_rtti ]
[ run libs/function/test/function_n_test.cpp : : : : ]
[ run libs/function/test/allocator_test.cpp ../../../libs/test/build//boost_test_exec_monitor : : : : ]
@ -64,6 +66,8 @@ import testing ;
[ run libs/function/test/rvalues_test.cpp : : : : ]
[ compile libs/function/test/function_typeof_test.cpp ]
[ run libs/function/test/result_arg_types_test.cpp ]
;
}

View File

@ -0,0 +1,40 @@
// Boost.Function library
// Copyright 2016 Peter Dimov
// Use, modification and distribution is 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)
#include <boost/function.hpp>
#include <boost/core/is_same.hpp>
#include <boost/core/lightweight_test_trait.hpp>
struct X
{
};
struct Y
{
};
struct Z
{
};
int main()
{
typedef boost::function<X(Y)> F1;
BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::result_type, X> ));
BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F1::argument_type, Y> ));
typedef boost::function<X(Y, Z)> F2;
BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::result_type, X> ));
BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::first_argument_type, Y> ));
BOOST_TEST_TRAIT_TRUE(( boost::core::is_same<F2::second_argument_type, Z> ));
return boost::report_errors();
}