diff options
Diffstat (limited to 'ldo.c')
| -rw-r--r-- | ldo.c | 22 |
1 files changed, 4 insertions, 18 deletions
| @@ -1,15 +1,15 @@ | |||
| 1 | /* | 1 | /* |
| 2 | ** $Id: ldo.c,v 2.1 2003/12/10 12:13:36 roberto Exp roberto $ | 2 | ** $Id: ldo.c,v 2.2 2004/03/23 17:02:58 roberto Exp roberto $ |
| 3 | ** Stack and Call structure of Lua | 3 | ** Stack and Call structure of Lua |
| 4 | ** See Copyright Notice in lua.h | 4 | ** See Copyright Notice in lua.h |
| 5 | */ | 5 | */ |
| 6 | 6 | ||
| 7 | 7 | ||
| 8 | #include <setjmp.h> | ||
| 9 | #include <stdlib.h> | 8 | #include <stdlib.h> |
| 10 | #include <string.h> | 9 | #include <string.h> |
| 11 | 10 | ||
| 12 | #define ldo_c | 11 | #define ldo_c |
| 12 | #define LUA_CORE | ||
| 13 | 13 | ||
| 14 | #include "lua.h" | 14 | #include "lua.h" |
| 15 | 15 | ||
| @@ -34,29 +34,15 @@ | |||
| 34 | 34 | ||
| 35 | /* | 35 | /* |
| 36 | ** {====================================================== | 36 | ** {====================================================== |
| 37 | ** Error-recovery functions (based on long jumps) | 37 | ** Error-recovery functions |
| 38 | ** ======================================================= | 38 | ** ======================================================= |
| 39 | */ | 39 | */ |
| 40 | 40 | ||
| 41 | 41 | ||
| 42 | #ifndef LUA_USEEXCEPTIONS | ||
| 43 | |||
| 44 | #define L_THROW(c) longjmp((c)->b, 1) | ||
| 45 | #define L_TRY(c,a) if (setjmp((c)->b) == 0) { a } | ||
| 46 | |||
| 47 | #else | ||
| 48 | |||
| 49 | #define L_THROW(c) throw(c) | ||
| 50 | #define L_TRY(c,a) try { a } catch(...) \ | ||
| 51 | { if ((c)->status == 0) (c)->status = -1; } | ||
| 52 | |||
| 53 | #endif | ||
| 54 | |||
| 55 | |||
| 56 | /* chain list of long jump buffers */ | 42 | /* chain list of long jump buffers */ |
| 57 | struct lua_longjmp { | 43 | struct lua_longjmp { |
| 58 | struct lua_longjmp *previous; | 44 | struct lua_longjmp *previous; |
| 59 | jmp_buf b; | 45 | l_jmpbuf b; |
| 60 | volatile int status; /* error code */ | 46 | volatile int status; /* error code */ |
| 61 | }; | 47 | }; |
| 62 | 48 | ||
