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General cleanups

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[SVN r11791]
This commit is contained in:
Douglas Gregor
2001-11-27 23:11:44 +00:00
parent c64a2f3492
commit 2265421357
4 changed files with 21 additions and 128 deletions
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26
include/boost/function/function_base.hpp
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@ -79,17 +79,13 @@ namespace boost {
* so function requires a union of the two. */
union any_pointer
{
struct container {};
void* obj_ptr;
const void* const_obj_ptr;
void (*func_ptr)();
void (container::* mem_func_ptr)();
explicit any_pointer(void* p) : obj_ptr(p) {}
explicit any_pointer(const void* p) : const_obj_ptr(p) {}
explicit any_pointer(void (*p)()) : func_ptr(p) {}
explicit any_pointer(void (container::*p)()) : mem_func_ptr(p) {}
};
/**
@ -118,8 +114,8 @@ namespace boost {
// The operation type to perform on the given functor/function pointer
enum functor_manager_operation_type {
clone_functor,
destroy_functor
clone_functor_tag,
destroy_functor_tag
};
// Tags used to decide between different types of functions
@ -155,26 +151,12 @@ namespace boost {
manager(any_pointer function_ptr, functor_manager_operation_type op,
function_ptr_tag)
{
if (op == clone_functor)
if (op == clone_functor_tag)
return function_ptr;
else
return any_pointer(static_cast<void (*)()>(0));
}
// For member function pointers, the manager is trivial
static inline any_pointer
manager(any_pointer member_ptr, functor_manager_operation_type op,
member_ptr_tag)
{
if (op == clone_functor)
return member_ptr;
else {
typedef void (any_pointer::container::* stored_mem_func_type)();
stored_mem_func_type p = 0;
return any_pointer(p);
}
}
// For function object pointers, we clone the pointer to each
// function has its own version.
static inline any_pointer
@ -194,7 +176,7 @@ namespace boost {
allocator_type allocator;
# endif // BOOST_NO_STD_ALLOCATOR
if (op == clone_functor) {
if (op == clone_functor_tag) {
functor_type* f =
static_cast<functor_type*>(function_obj_ptr.obj_ptr);