Alexander Nasonov <alnsn <at> yandex.ru> writes:
Steven Watanabe wrote:
I can make it work for msvc How?
#include <boost/config.hpp> namespace boost { namespace scope_exit { #if (defined(BOOST_MSVC) && defined(_M_IX86)) || \ (defined(__MWERKS__) && defined(__INTEL__ )) struct jump_buffer { unsigned long return_; unsigned long esp_; unsigned long ebp_; }; extern "C" { __declspec(naked) int __fastcall set_jump(jump_buffer*) { __asm { mov edx, [esp] mov [ecx], edx mov [ecx + 4], esp mov [ecx + 8], ebp mov eax, 0 ret } } __declspec(naked) int __fastcall long_jump(jump_buffer*, int) { __asm { mov ebx, [ecx] mov esp, [ecx + 4] mov ebp, [ecx + 8] mov [esp], ebx mov eax, edx ret } } } #define BOOST_SCOPE_EXIT_USE_REGISTERS __asm {\ __asm mov eax, 0\ __asm mov ebx, 0\ __asm mov ecx, 0\ __asm mov edx, 0\ __asm mov esi, 0\ __asm mov edi, 0\ } struct scope_exit_helper1 { jump_buffer cleanup; jump_buffer back; ~scope_exit_helper1() { BOOST_SCOPE_EXIT_USE_REGISTERS if(set_jump(&back) == 0) { long_jump(&cleanup, 1); } } }; struct scope_exit_helper2 { jump_buffer* buf; scope_exit_helper2(jump_buffer* b) : buf(b) {} ~scope_exit_helper2() { if(buf) { long_jump(buf, 1); } } scope_exit_helper2(const scope_exit_helper2& other) : buf(other.buf) { const_cast<jump_buffer*&>(other.buf) = 0; } operator bool() const { return(false); } }; #define BOOST_SCOPE_EXIT_PROTECT_STACK \ if(true) __asm { \ __asm sub esp, 512 \ __asm jmp boost_scope_exit_label ## __LINE__ \ } \ else boost_scope_exit_label ## __LINE__: #define BOOST_SCOPE_EXIT \ ::boost::scope_exit::scope_exit_helper1 \ boost_scope_exit_helper1 ## __LINE__; \ BOOST_SCOPE_EXIT_USE_REGISTERS \ if(::boost::scope_exit::set_jump( \ &boost_scope_exit_helper1 ## __LINE__.cleanup) == 0) {} \ else BOOST_SCOPE_EXIT_PROTECT_STACK \ if(::boost::scope_exit::scope_exit_helper2\ boost_scope_exit_helper2 = \ (&boost_scope_exit_helper1 ## __LINE__.back)) {}\ else #endif } }