forked from boostorg/function
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Author | SHA1 | Date | |
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c551fa0f68 | |||
81e558491b | |||
2378ba59e7 | |||
53b95c386d | |||
3312c7ffcd | |||
de27ae9697 | |||
a7b9940f15 | |||
e4f165a4e8 |
@ -1,3 +1,8 @@
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|||||||
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# Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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||||||
|
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# Distributed under the Boost Software License, Version 1.0.
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||||||
|
# (See accompanying file LICENSE_1_0.txt or copy at
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# http://www.boost.org/LICENSE_1_0.txt)
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project boost/doc ;
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project boost/doc ;
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import boostbook : boostbook ;
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import boostbook : boostbook ;
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|
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@ -1,4 +1,11 @@
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<?xml version="1.0" encoding="utf-8"?>
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<?xml version="1.0" encoding="utf-8"?>
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||||||
|
<!--
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||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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|
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|
Distributed under the Boost Software License, Version 1.0.
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|
(See accompanying file LICENSE_1_0.txt or copy at
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|
http://www.boost.org/LICENSE_1_0.txt)
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|
-->
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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<section id="function.faq" last-revision="$Date$">
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<section id="function.faq" last-revision="$Date$">
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@ -1,4 +1,11 @@
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|||||||
<?xml version="1.0" encoding="utf-8"?>
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<?xml version="1.0" encoding="utf-8"?>
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||||||
|
<!--
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||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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|
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|
Distributed under the Boost Software License, Version 1.0.
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||||||
|
(See accompanying file LICENSE_1_0.txt or copy at
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|
http://www.boost.org/LICENSE_1_0.txt)
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||||||
|
-->
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
|
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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<section id="function.history" last-revision="$Date$">
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<section id="function.history" last-revision="$Date$">
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@ -1,4 +1,11 @@
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<?xml version="1.0" encoding="utf-8"?>
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<?xml version="1.0" encoding="utf-8"?>
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|
<!--
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||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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|
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|
Distributed under the Boost Software License, Version 1.0.
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||||||
|
(See accompanying file LICENSE_1_0.txt or copy at
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|
http://www.boost.org/LICENSE_1_0.txt)
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||||||
|
-->
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
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||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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<section id="function.misc" last-revision="$Date$">
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<section id="function.misc" last-revision="$Date$">
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@ -1,4 +1,11 @@
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<?xml version="1.0" encoding="utf-8"?>
|
<?xml version="1.0" encoding="utf-8"?>
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|
<!--
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|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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|
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||||||
|
Distributed under the Boost Software License, Version 1.0.
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|
(See accompanying file LICENSE_1_0.txt or copy at
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|
http://www.boost.org/LICENSE_1_0.txt)
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||||||
|
-->
|
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<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
|
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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||||||
|
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|
@ -1,4 +1,11 @@
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<?xml version="1.0" encoding="utf-8"?>
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<!--
|
||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
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||||||
|
|
||||||
|
Distributed under the Boost Software License, Version 1.0.
|
||||||
|
(See accompanying file LICENSE_1_0.txt or copy at
|
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|
http://www.boost.org/LICENSE_1_0.txt)
|
||||||
|
-->
|
||||||
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
|
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
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<testsuite id="function.testsuite" last-revision="$Date$">
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<testsuite id="function.testsuite" last-revision="$Date$">
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|
@ -1,4 +1,11 @@
|
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<?xml version="1.0" encoding="utf-8"?>
|
<?xml version="1.0" encoding="utf-8"?>
|
||||||
|
<!--
|
||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
|
||||||
|
|
||||||
|
Distributed under the Boost Software License, Version 1.0.
|
||||||
|
(See accompanying file LICENSE_1_0.txt or copy at
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||||||
|
http://www.boost.org/LICENSE_1_0.txt)
|
||||||
|
-->
|
||||||
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
<!DOCTYPE library PUBLIC "-//Boost//DTD BoostBook XML V1.0//EN"
|
||||||
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
|
"http://www.boost.org/tools/boostbook/dtd/boostbook.dtd">
|
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<section xmlns:xi="http://www.w3.org/2001/XInclude" id="function.tutorial"
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<section xmlns:xi="http://www.w3.org/2001/XInclude" id="function.tutorial"
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@ -30,6 +30,11 @@
|
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#endif
|
#endif
|
||||||
#include <boost/function_equal.hpp>
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#include <boost/function_equal.hpp>
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|
||||||
|
#if defined(BOOST_MSVC)
|
||||||
|
# pragma warning( push )
|
||||||
|
# pragma warning( disable : 4793 ) // complaint about native code generation
|
||||||
|
#endif
|
||||||
|
|
||||||
// Define BOOST_FUNCTION_STD_NS to the namespace that contains type_info.
|
// Define BOOST_FUNCTION_STD_NS to the namespace that contains type_info.
|
||||||
#ifdef BOOST_NO_EXCEPTION_STD_NAMESPACE
|
#ifdef BOOST_NO_EXCEPTION_STD_NAMESPACE
|
||||||
// Embedded VC++ does not have type_info in namespace std
|
// Embedded VC++ does not have type_info in namespace std
|
||||||
@ -206,8 +211,8 @@ namespace boost {
|
|||||||
struct reference_manager
|
struct reference_manager
|
||||||
{
|
{
|
||||||
static inline void
|
static inline void
|
||||||
get(const function_buffer& in_buffer, function_buffer& out_buffer,
|
manage(const function_buffer& in_buffer, function_buffer& out_buffer,
|
||||||
functor_manager_operation_type op)
|
functor_manager_operation_type op)
|
||||||
{
|
{
|
||||||
switch (op) {
|
switch (op) {
|
||||||
case clone_functor_tag:
|
case clone_functor_tag:
|
||||||
@ -376,6 +381,15 @@ namespace boost {
|
|||||||
mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>());
|
mpl::bool_<(function_allows_small_object_optimization<functor_type>::value)>());
|
||||||
}
|
}
|
||||||
|
|
||||||
|
// For member pointers, we treat them as function objects with
|
||||||
|
// the small-object optimization always enabled.
|
||||||
|
static inline void
|
||||||
|
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_());
|
||||||
|
}
|
||||||
|
|
||||||
public:
|
public:
|
||||||
/* Dispatch to an appropriate manager based on whether we have a
|
/* Dispatch to an appropriate manager based on whether we have a
|
||||||
function pointer or a function object pointer. */
|
function pointer or a function object pointer. */
|
||||||
@ -464,7 +478,6 @@ namespace boost {
|
|||||||
*/
|
*/
|
||||||
struct vtable_base
|
struct vtable_base
|
||||||
{
|
{
|
||||||
vtable_base() : manager(0) { }
|
|
||||||
void (*manager)(const function_buffer& in_buffer,
|
void (*manager)(const function_buffer& in_buffer,
|
||||||
function_buffer& out_buffer,
|
function_buffer& out_buffer,
|
||||||
functor_manager_operation_type op);
|
functor_manager_operation_type op);
|
||||||
@ -566,7 +579,7 @@ public:
|
|||||||
#endif
|
#endif
|
||||||
|
|
||||||
public: // should be protected, but GCC 2.95.3 will fail to allow access
|
public: // should be protected, but GCC 2.95.3 will fail to allow access
|
||||||
detail::function::vtable_base* vtable;
|
const detail::function::vtable_base* vtable;
|
||||||
mutable detail::function::function_buffer functor;
|
mutable detail::function::function_buffer functor;
|
||||||
};
|
};
|
||||||
|
|
||||||
@ -741,4 +754,8 @@ namespace detail {
|
|||||||
#undef BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL
|
#undef BOOST_FUNCTION_ENABLE_IF_NOT_INTEGRAL
|
||||||
#undef BOOST_FUNCTION_COMPARE_TYPE_ID
|
#undef BOOST_FUNCTION_COMPARE_TYPE_ID
|
||||||
|
|
||||||
|
#if defined(BOOST_MSVC)
|
||||||
|
# pragma warning( pop )
|
||||||
|
#endif
|
||||||
|
|
||||||
#endif // BOOST_FUNCTION_BASE_HEADER
|
#endif // BOOST_FUNCTION_BASE_HEADER
|
||||||
|
@ -54,12 +54,20 @@
|
|||||||
BOOST_JOIN(function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
BOOST_JOIN(function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
#define BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER \
|
#define BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER \
|
||||||
BOOST_JOIN(void_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
BOOST_JOIN(void_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
|
#define BOOST_FUNCTION_MEMBER_INVOKER \
|
||||||
|
BOOST_JOIN(member_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
|
#define BOOST_FUNCTION_VOID_MEMBER_INVOKER \
|
||||||
|
BOOST_JOIN(void_member_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
#define BOOST_FUNCTION_GET_FUNCTION_INVOKER \
|
#define BOOST_FUNCTION_GET_FUNCTION_INVOKER \
|
||||||
BOOST_JOIN(get_function_invoker,BOOST_FUNCTION_NUM_ARGS)
|
BOOST_JOIN(get_function_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
#define BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER \
|
#define BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER \
|
||||||
BOOST_JOIN(get_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS)
|
BOOST_JOIN(get_function_obj_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
#define BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER \
|
#define BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER \
|
||||||
BOOST_JOIN(get_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
BOOST_JOIN(get_function_ref_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
|
#define BOOST_FUNCTION_GET_MEMBER_INVOKER \
|
||||||
|
BOOST_JOIN(get_member_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
|
#define BOOST_FUNCTION_GET_INVOKER \
|
||||||
|
BOOST_JOIN(get_invoker,BOOST_FUNCTION_NUM_ARGS)
|
||||||
#define BOOST_FUNCTION_VTABLE BOOST_JOIN(basic_vtable,BOOST_FUNCTION_NUM_ARGS)
|
#define BOOST_FUNCTION_VTABLE BOOST_JOIN(basic_vtable,BOOST_FUNCTION_NUM_ARGS)
|
||||||
|
|
||||||
#ifndef BOOST_NO_VOID_RETURNS
|
#ifndef BOOST_NO_VOID_RETURNS
|
||||||
@ -181,6 +189,44 @@ namespace boost {
|
|||||||
}
|
}
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#if BOOST_FUNCTION_NUM_ARGS > 0
|
||||||
|
/* Handle invocation of member pointers. */
|
||||||
|
template<
|
||||||
|
typename MemberPtr,
|
||||||
|
typename R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_PARMS
|
||||||
|
>
|
||||||
|
struct BOOST_FUNCTION_MEMBER_INVOKER
|
||||||
|
{
|
||||||
|
static R invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_PARMS)
|
||||||
|
|
||||||
|
{
|
||||||
|
MemberPtr* f =
|
||||||
|
reinterpret_cast<MemberPtr*>(&function_obj_ptr.data);
|
||||||
|
return boost::mem_fn(*f)(BOOST_FUNCTION_ARGS);
|
||||||
|
}
|
||||||
|
};
|
||||||
|
|
||||||
|
template<
|
||||||
|
typename MemberPtr,
|
||||||
|
typename R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_PARMS
|
||||||
|
>
|
||||||
|
struct BOOST_FUNCTION_VOID_MEMBER_INVOKER
|
||||||
|
{
|
||||||
|
static BOOST_FUNCTION_VOID_RETURN_TYPE
|
||||||
|
invoke(function_buffer& function_obj_ptr BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_PARMS)
|
||||||
|
|
||||||
|
{
|
||||||
|
MemberPtr* f =
|
||||||
|
reinterpret_cast<MemberPtr*>(&function_obj_ptr.data);
|
||||||
|
BOOST_FUNCTION_RETURN(boost::mem_fn(*f)(BOOST_FUNCTION_ARGS));
|
||||||
|
}
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
template<
|
template<
|
||||||
typename FunctionPtr,
|
typename FunctionPtr,
|
||||||
typename R BOOST_FUNCTION_COMMA
|
typename R BOOST_FUNCTION_COMMA
|
||||||
@ -244,12 +290,130 @@ namespace boost {
|
|||||||
>::type type;
|
>::type type;
|
||||||
};
|
};
|
||||||
|
|
||||||
|
#if BOOST_FUNCTION_NUM_ARGS > 0
|
||||||
|
/* Retrieve the appropriate invoker for a member pointer. */
|
||||||
|
template<
|
||||||
|
typename MemberPtr,
|
||||||
|
typename R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_PARMS
|
||||||
|
>
|
||||||
|
struct BOOST_FUNCTION_GET_MEMBER_INVOKER
|
||||||
|
{
|
||||||
|
typedef typename mpl::if_c<(is_void<R>::value),
|
||||||
|
BOOST_FUNCTION_VOID_MEMBER_INVOKER<
|
||||||
|
MemberPtr,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>,
|
||||||
|
BOOST_FUNCTION_MEMBER_INVOKER<
|
||||||
|
MemberPtr,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>
|
||||||
|
>::type type;
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Given the tag returned by get_function_tag, retrieve the
|
||||||
|
actual invoker that will be used for the given function
|
||||||
|
object.
|
||||||
|
|
||||||
|
Each specialization contains an "apply" nested class template
|
||||||
|
that accepts the function object, return type, function
|
||||||
|
argument types, and allocator. The resulting "apply" class
|
||||||
|
contains two typedefs, "invoker_type" and "manager_type",
|
||||||
|
which correspond to the invoker and manager types. */
|
||||||
|
template<typename Tag>
|
||||||
|
struct BOOST_FUNCTION_GET_INVOKER { };
|
||||||
|
|
||||||
|
/* Retrieve the invoker for a function pointer. */
|
||||||
|
template<>
|
||||||
|
struct BOOST_FUNCTION_GET_INVOKER<function_ptr_tag>
|
||||||
|
{
|
||||||
|
template<typename FunctionPtr,
|
||||||
|
typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
||||||
|
typename Allocator>
|
||||||
|
struct apply
|
||||||
|
{
|
||||||
|
typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER<
|
||||||
|
FunctionPtr,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>::type
|
||||||
|
invoker_type;
|
||||||
|
|
||||||
|
typedef functor_manager<FunctionPtr, Allocator> manager_type;
|
||||||
|
};
|
||||||
|
};
|
||||||
|
|
||||||
|
#if BOOST_FUNCTION_NUM_ARGS > 0
|
||||||
|
/* Retrieve the invoker for a member pointer. */
|
||||||
|
template<>
|
||||||
|
struct BOOST_FUNCTION_GET_INVOKER<member_ptr_tag>
|
||||||
|
{
|
||||||
|
template<typename MemberPtr,
|
||||||
|
typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
||||||
|
typename Allocator>
|
||||||
|
struct apply
|
||||||
|
{
|
||||||
|
typedef typename BOOST_FUNCTION_GET_MEMBER_INVOKER<
|
||||||
|
MemberPtr,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>::type
|
||||||
|
invoker_type;
|
||||||
|
|
||||||
|
typedef functor_manager<MemberPtr, Allocator> manager_type;
|
||||||
|
};
|
||||||
|
};
|
||||||
|
#endif
|
||||||
|
|
||||||
|
/* Retrieve the invoker for a function object. */
|
||||||
|
template<>
|
||||||
|
struct BOOST_FUNCTION_GET_INVOKER<function_obj_tag>
|
||||||
|
{
|
||||||
|
template<typename FunctionObj,
|
||||||
|
typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
||||||
|
typename Allocator>
|
||||||
|
struct apply
|
||||||
|
{
|
||||||
|
typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER<
|
||||||
|
FunctionObj,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>::type
|
||||||
|
invoker_type;
|
||||||
|
|
||||||
|
typedef functor_manager<FunctionObj, Allocator> manager_type;
|
||||||
|
};
|
||||||
|
};
|
||||||
|
|
||||||
|
/* Retrieve the invoker for a reference to a function object. */
|
||||||
|
template<>
|
||||||
|
struct BOOST_FUNCTION_GET_INVOKER<function_obj_ref_tag>
|
||||||
|
{
|
||||||
|
template<typename RefWrapper,
|
||||||
|
typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
||||||
|
typename Allocator>
|
||||||
|
struct apply
|
||||||
|
{
|
||||||
|
typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER<
|
||||||
|
typename RefWrapper::type,
|
||||||
|
R BOOST_FUNCTION_COMMA
|
||||||
|
BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
|
>::type
|
||||||
|
invoker_type;
|
||||||
|
|
||||||
|
typedef reference_manager<typename RefWrapper::type> manager_type;
|
||||||
|
};
|
||||||
|
};
|
||||||
|
|
||||||
/**
|
/**
|
||||||
* vtable for a specific boost::function instance.
|
* vtable for a specific boost::function instance.
|
||||||
*/
|
*/
|
||||||
template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
template<typename R BOOST_FUNCTION_COMMA BOOST_FUNCTION_TEMPLATE_PARMS,
|
||||||
typename Allocator>
|
typename Allocator>
|
||||||
struct BOOST_FUNCTION_VTABLE : vtable_base
|
struct BOOST_FUNCTION_VTABLE
|
||||||
{
|
{
|
||||||
#ifndef BOOST_NO_VOID_RETURNS
|
#ifndef BOOST_NO_VOID_RETURNS
|
||||||
typedef R result_type;
|
typedef R result_type;
|
||||||
@ -262,50 +426,25 @@ namespace boost {
|
|||||||
BOOST_FUNCTION_TEMPLATE_ARGS);
|
BOOST_FUNCTION_TEMPLATE_ARGS);
|
||||||
|
|
||||||
template<typename F>
|
template<typename F>
|
||||||
BOOST_FUNCTION_VTABLE(F f) : vtable_base(), invoker(0)
|
bool assign_to(const F& f, function_buffer& functor) const
|
||||||
{
|
|
||||||
init(f);
|
|
||||||
}
|
|
||||||
|
|
||||||
template<typename F>
|
|
||||||
bool assign_to(F f, function_buffer& functor)
|
|
||||||
{
|
{
|
||||||
typedef typename get_function_tag<F>::type tag;
|
typedef typename get_function_tag<F>::type tag;
|
||||||
return assign_to(f, functor, tag());
|
return assign_to(f, functor, tag());
|
||||||
}
|
}
|
||||||
|
|
||||||
void clear(function_buffer& functor)
|
void clear(function_buffer& functor) const
|
||||||
{
|
{
|
||||||
if (manager)
|
if (base.manager)
|
||||||
manager(functor, functor, destroy_functor_tag);
|
base.manager(functor, functor, destroy_functor_tag);
|
||||||
}
|
}
|
||||||
|
#ifndef BOOST_NO_PRIVATE_IN_AGGREGATE
|
||||||
private:
|
private:
|
||||||
template<typename F>
|
#endif
|
||||||
void init(F f)
|
|
||||||
{
|
|
||||||
typedef typename get_function_tag<F>::type tag;
|
|
||||||
init(f, tag());
|
|
||||||
}
|
|
||||||
|
|
||||||
// Function pointers
|
// Function pointers
|
||||||
template<typename FunctionPtr>
|
|
||||||
void init(FunctionPtr /*f*/, function_ptr_tag)
|
|
||||||
{
|
|
||||||
typedef typename BOOST_FUNCTION_GET_FUNCTION_INVOKER<
|
|
||||||
FunctionPtr,
|
|
||||||
R BOOST_FUNCTION_COMMA
|
|
||||||
BOOST_FUNCTION_TEMPLATE_ARGS
|
|
||||||
>::type
|
|
||||||
actual_invoker_type;
|
|
||||||
|
|
||||||
invoker = &actual_invoker_type::invoke;
|
|
||||||
manager = &functor_manager<FunctionPtr, Allocator>::manage;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<typename FunctionPtr>
|
template<typename FunctionPtr>
|
||||||
bool
|
bool
|
||||||
assign_to(FunctionPtr f, function_buffer& functor, function_ptr_tag)
|
assign_to(FunctionPtr f, function_buffer& functor,
|
||||||
|
function_ptr_tag) const
|
||||||
{
|
{
|
||||||
this->clear(functor);
|
this->clear(functor);
|
||||||
if (f) {
|
if (f) {
|
||||||
@ -321,22 +460,13 @@ namespace boost {
|
|||||||
// Member pointers
|
// Member pointers
|
||||||
#if BOOST_FUNCTION_NUM_ARGS > 0
|
#if BOOST_FUNCTION_NUM_ARGS > 0
|
||||||
template<typename MemberPtr>
|
template<typename MemberPtr>
|
||||||
void init(MemberPtr f, member_ptr_tag)
|
bool
|
||||||
|
assign_to(MemberPtr f, function_buffer& functor, member_ptr_tag) const
|
||||||
{
|
{
|
||||||
// DPG TBD: Add explicit support for member function
|
|
||||||
// objects, so we invoke through mem_fn() but we retain the
|
|
||||||
// right target_type() values.
|
|
||||||
this->init(mem_fn(f));
|
|
||||||
}
|
|
||||||
|
|
||||||
template<typename MemberPtr>
|
|
||||||
bool assign_to(MemberPtr f, function_buffer& functor, member_ptr_tag)
|
|
||||||
{
|
|
||||||
// DPG TBD: Add explicit support for member function
|
|
||||||
// objects, so we invoke through mem_fn() but we retain the
|
|
||||||
// right target_type() values.
|
|
||||||
if (f) {
|
if (f) {
|
||||||
this->assign_to(mem_fn(f), functor);
|
// Always use the small-object optimization for member
|
||||||
|
// pointers.
|
||||||
|
assign_functor(f, functor, mpl::true_());
|
||||||
return true;
|
return true;
|
||||||
} else {
|
} else {
|
||||||
return false;
|
return false;
|
||||||
@ -345,24 +475,11 @@ namespace boost {
|
|||||||
#endif // BOOST_FUNCTION_NUM_ARGS > 0
|
#endif // BOOST_FUNCTION_NUM_ARGS > 0
|
||||||
|
|
||||||
// Function objects
|
// Function objects
|
||||||
template<typename FunctionObj>
|
|
||||||
void init(FunctionObj /*f*/, function_obj_tag)
|
|
||||||
{
|
|
||||||
typedef typename BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER<
|
|
||||||
FunctionObj,
|
|
||||||
R BOOST_FUNCTION_COMMA
|
|
||||||
BOOST_FUNCTION_TEMPLATE_ARGS
|
|
||||||
>::type
|
|
||||||
actual_invoker_type;
|
|
||||||
|
|
||||||
invoker = &actual_invoker_type::invoke;
|
|
||||||
manager = &functor_manager<FunctionObj, Allocator>::manage;
|
|
||||||
}
|
|
||||||
|
|
||||||
// Assign to a function object using the small object optimization
|
// Assign to a function object using the small object optimization
|
||||||
template<typename FunctionObj>
|
template<typename FunctionObj>
|
||||||
void
|
void
|
||||||
assign_functor(FunctionObj f, function_buffer& functor, mpl::true_)
|
assign_functor(const FunctionObj& f, function_buffer& functor,
|
||||||
|
mpl::true_) const
|
||||||
{
|
{
|
||||||
new ((void*)&functor.data) FunctionObj(f);
|
new ((void*)&functor.data) FunctionObj(f);
|
||||||
}
|
}
|
||||||
@ -370,7 +487,8 @@ namespace boost {
|
|||||||
// Assign to a function object allocated on the heap.
|
// Assign to a function object allocated on the heap.
|
||||||
template<typename FunctionObj>
|
template<typename FunctionObj>
|
||||||
void
|
void
|
||||||
assign_functor(FunctionObj f, function_buffer& functor, mpl::false_)
|
assign_functor(const FunctionObj& f, function_buffer& functor,
|
||||||
|
mpl::false_) const
|
||||||
{
|
{
|
||||||
#ifndef BOOST_NO_STD_ALLOCATOR
|
#ifndef BOOST_NO_STD_ALLOCATOR
|
||||||
typedef typename Allocator::template rebind<FunctionObj>::other
|
typedef typename Allocator::template rebind<FunctionObj>::other
|
||||||
@ -390,7 +508,8 @@ namespace boost {
|
|||||||
|
|
||||||
template<typename FunctionObj>
|
template<typename FunctionObj>
|
||||||
bool
|
bool
|
||||||
assign_to(FunctionObj f, function_buffer& functor, function_obj_tag)
|
assign_to(const FunctionObj& f, function_buffer& functor,
|
||||||
|
function_obj_tag) const
|
||||||
{
|
{
|
||||||
if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
|
if (!boost::detail::function::has_empty_target(boost::addressof(f))) {
|
||||||
assign_functor(f, functor,
|
assign_functor(f, functor,
|
||||||
@ -402,25 +521,10 @@ namespace boost {
|
|||||||
}
|
}
|
||||||
|
|
||||||
// Reference to a function object
|
// Reference to a function object
|
||||||
template<typename FunctionObj>
|
|
||||||
void
|
|
||||||
init(const reference_wrapper<FunctionObj>& /*f*/, function_obj_ref_tag)
|
|
||||||
{
|
|
||||||
typedef typename BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER<
|
|
||||||
FunctionObj,
|
|
||||||
R BOOST_FUNCTION_COMMA
|
|
||||||
BOOST_FUNCTION_TEMPLATE_ARGS
|
|
||||||
>::type
|
|
||||||
actual_invoker_type;
|
|
||||||
|
|
||||||
invoker = &actual_invoker_type::invoke;
|
|
||||||
manager = &reference_manager<FunctionObj>::get;
|
|
||||||
}
|
|
||||||
|
|
||||||
template<typename FunctionObj>
|
template<typename FunctionObj>
|
||||||
bool
|
bool
|
||||||
assign_to(const reference_wrapper<FunctionObj>& f,
|
assign_to(const reference_wrapper<FunctionObj>& f,
|
||||||
function_buffer& functor, function_obj_ref_tag)
|
function_buffer& functor, function_obj_ref_tag) const
|
||||||
{
|
{
|
||||||
if (!boost::detail::function::has_empty_target(f.get_pointer())) {
|
if (!boost::detail::function::has_empty_target(f.get_pointer())) {
|
||||||
// DPG TBD: We might need to detect constness of
|
// DPG TBD: We might need to detect constness of
|
||||||
@ -435,6 +539,7 @@ namespace boost {
|
|||||||
}
|
}
|
||||||
|
|
||||||
public:
|
public:
|
||||||
|
vtable_base base;
|
||||||
invoker_type invoker;
|
invoker_type invoker;
|
||||||
};
|
};
|
||||||
} // end namespace function
|
} // end namespace function
|
||||||
@ -538,7 +643,7 @@ namespace boost {
|
|||||||
if (this->empty())
|
if (this->empty())
|
||||||
boost::throw_exception(bad_function_call());
|
boost::throw_exception(bad_function_call());
|
||||||
|
|
||||||
return static_cast<vtable_type*>(vtable)->invoker
|
return reinterpret_cast<const vtable_type*>(vtable)->invoker
|
||||||
(this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
|
(this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
|
||||||
}
|
}
|
||||||
#else
|
#else
|
||||||
@ -562,12 +667,16 @@ namespace boost {
|
|||||||
operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
|
operator=(Functor BOOST_FUNCTION_TARGET_FIX(const &) f)
|
||||||
{
|
{
|
||||||
this->clear();
|
this->clear();
|
||||||
|
#ifndef BOOST_NO_EXCEPTIONS
|
||||||
try {
|
try {
|
||||||
this->assign_to(f);
|
this->assign_to(f);
|
||||||
} catch (...) {
|
} catch (...) {
|
||||||
vtable = 0;
|
vtable = 0;
|
||||||
throw;
|
throw;
|
||||||
}
|
}
|
||||||
|
#else
|
||||||
|
this->assign_to(f);
|
||||||
|
#endif
|
||||||
return *this;
|
return *this;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -593,12 +702,16 @@ namespace boost {
|
|||||||
return *this;
|
return *this;
|
||||||
|
|
||||||
this->clear();
|
this->clear();
|
||||||
|
#ifndef BOOST_NO_EXCEPTIONS
|
||||||
try {
|
try {
|
||||||
this->assign_to_own(f);
|
this->assign_to_own(f);
|
||||||
} catch (...) {
|
} catch (...) {
|
||||||
vtable = 0;
|
vtable = 0;
|
||||||
throw;
|
throw;
|
||||||
}
|
}
|
||||||
|
#else
|
||||||
|
this->assign_to_own(f);
|
||||||
|
#endif
|
||||||
return *this;
|
return *this;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -616,7 +729,7 @@ namespace boost {
|
|||||||
void clear()
|
void clear()
|
||||||
{
|
{
|
||||||
if (vtable) {
|
if (vtable) {
|
||||||
static_cast<vtable_type*>(vtable)->clear(this->functor);
|
reinterpret_cast<const vtable_type*>(vtable)->clear(this->functor);
|
||||||
vtable = 0;
|
vtable = 0;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -651,10 +764,24 @@ namespace boost {
|
|||||||
}
|
}
|
||||||
|
|
||||||
template<typename Functor>
|
template<typename Functor>
|
||||||
void assign_to(Functor f)
|
void assign_to(const Functor& f)
|
||||||
{
|
{
|
||||||
static vtable_type stored_vtable(f);
|
using detail::function::vtable_base;
|
||||||
if (stored_vtable.assign_to(f, functor)) vtable = &stored_vtable;
|
|
||||||
|
typedef typename detail::function::get_function_tag<Functor>::type tag;
|
||||||
|
typedef detail::function::BOOST_FUNCTION_GET_INVOKER<tag> get_invoker;
|
||||||
|
typedef typename get_invoker::
|
||||||
|
template apply<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;
|
||||||
|
|
||||||
|
static const vtable_type stored_vtable =
|
||||||
|
{ { &manager_type::manage }, &invoker_type::invoke };
|
||||||
|
|
||||||
|
if (stored_vtable.assign_to(f, functor)) vtable = &stored_vtable.base;
|
||||||
else vtable = 0;
|
else vtable = 0;
|
||||||
}
|
}
|
||||||
};
|
};
|
||||||
@ -689,7 +816,7 @@ namespace boost {
|
|||||||
if (this->empty())
|
if (this->empty())
|
||||||
boost::throw_exception(bad_function_call());
|
boost::throw_exception(bad_function_call());
|
||||||
|
|
||||||
return static_cast<vtable_type*>(vtable)->invoker
|
return reinterpret_cast<const vtable_type*>(vtable)->invoker
|
||||||
(this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
|
(this->functor BOOST_FUNCTION_COMMA BOOST_FUNCTION_ARGS);
|
||||||
}
|
}
|
||||||
#endif
|
#endif
|
||||||
@ -806,6 +933,7 @@ public:
|
|||||||
|
|
||||||
// Cleanup after ourselves...
|
// Cleanup after ourselves...
|
||||||
#undef BOOST_FUNCTION_VTABLE
|
#undef BOOST_FUNCTION_VTABLE
|
||||||
|
#undef BOOST_FUNCTION_GET_INVOKER
|
||||||
#undef BOOST_FUNCTION_DEFAULT_ALLOCATOR
|
#undef BOOST_FUNCTION_DEFAULT_ALLOCATOR
|
||||||
#undef BOOST_FUNCTION_COMMA
|
#undef BOOST_FUNCTION_COMMA
|
||||||
#undef BOOST_FUNCTION_FUNCTION
|
#undef BOOST_FUNCTION_FUNCTION
|
||||||
@ -815,10 +943,12 @@ public:
|
|||||||
#undef BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER
|
#undef BOOST_FUNCTION_VOID_FUNCTION_OBJ_INVOKER
|
||||||
#undef BOOST_FUNCTION_FUNCTION_REF_INVOKER
|
#undef BOOST_FUNCTION_FUNCTION_REF_INVOKER
|
||||||
#undef BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER
|
#undef BOOST_FUNCTION_VOID_FUNCTION_REF_INVOKER
|
||||||
|
#undef BOOST_FUNCTION_MEMBER_INVOKER
|
||||||
|
#undef BOOST_FUNCTION_VOID_MEMBER_INVOKER
|
||||||
#undef BOOST_FUNCTION_GET_FUNCTION_INVOKER
|
#undef BOOST_FUNCTION_GET_FUNCTION_INVOKER
|
||||||
#undef BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER
|
#undef BOOST_FUNCTION_GET_FUNCTION_OBJ_INVOKER
|
||||||
#undef BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER
|
#undef BOOST_FUNCTION_GET_FUNCTION_REF_INVOKER
|
||||||
#undef BOOST_FUNCTION_GET_MEM_FUNCTION_INVOKER
|
#undef BOOST_FUNCTION_GET_MEMBER_INVOKER
|
||||||
#undef BOOST_FUNCTION_TEMPLATE_PARMS
|
#undef BOOST_FUNCTION_TEMPLATE_PARMS
|
||||||
#undef BOOST_FUNCTION_TEMPLATE_ARGS
|
#undef BOOST_FUNCTION_TEMPLATE_ARGS
|
||||||
#undef BOOST_FUNCTION_PARMS
|
#undef BOOST_FUNCTION_PARMS
|
||||||
|
@ -1,4 +1,11 @@
|
|||||||
<html>
|
<html>
|
||||||
|
<!--
|
||||||
|
Copyright (c) 2002 Douglas Gregor <doug.gregor -at- gmail.com>
|
||||||
|
|
||||||
|
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)
|
||||||
|
-->
|
||||||
<head>
|
<head>
|
||||||
<meta http-equiv="refresh" content="0; URL=../../doc/html/function.html">
|
<meta http-equiv="refresh" content="0; URL=../../doc/html/function.html">
|
||||||
</head>
|
</head>
|
||||||
|
Reference in New Issue
Block a user