diff options
Diffstat (limited to 'lua/ldo.h')
| -rw-r--r-- | lua/ldo.h | 33 |
1 files changed, 11 insertions, 22 deletions
@@ -1,5 +1,5 @@ /* -** $Id: ldo.h,v 2.7.1.1 2007/12/27 13:02:25 roberto Exp $ +** $Id: ldo.h,v 2.20 2011/11/29 15:55:08 roberto Exp $ ** Stack and Call structure of Lua ** See Copyright Notice in lua.h */ @@ -13,45 +13,34 @@ #include "lzio.h" -#define luaD_checkstack(L,n) \ - if ((char *)L->stack_last - (char *)L->top <= (n)*(int)sizeof(TValue)) \ - luaD_growstack(L, n); \ - else condhardstacktests(luaD_reallocstack(L, L->stacksize - EXTRA_STACK - 1)); +#define luaD_checkstack(L,n) if (L->stack_last - L->top <= (n)) \ + luaD_growstack(L, n); else condmovestack(L); -#define incr_top(L) {luaD_checkstack(L,1); L->top++;} +#define incr_top(L) {L->top++; luaD_checkstack(L,0);} #define savestack(L,p) ((char *)(p) - (char *)L->stack) #define restorestack(L,n) ((TValue *)((char *)L->stack + (n))) -#define saveci(L,p) ((char *)(p) - (char *)L->base_ci) -#define restoreci(L,n) ((CallInfo *)((char *)L->base_ci + (n))) - - -/* results from luaD_precall */ -#define PCRLUA 0 /* initiated a call to a Lua function */ -#define PCRC 1 /* did a call to a C function */ -#define PCRYIELD 2 /* C funtion yielded */ - /* type of protected functions, to be ran by `runprotected' */ typedef void (*Pfunc) (lua_State *L, void *ud); -LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name); -LUAI_FUNC void luaD_callhook (lua_State *L, int event, int line); +LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name, + const char *mode); +LUAI_FUNC void luaD_hook (lua_State *L, int event, int line); LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults); -LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults); +LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults, + int allowyield); LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u, ptrdiff_t oldtop, ptrdiff_t ef); LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult); -LUAI_FUNC void luaD_reallocCI (lua_State *L, int newsize); LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize); LUAI_FUNC void luaD_growstack (lua_State *L, int n); +LUAI_FUNC void luaD_shrinkstack (lua_State *L); -LUAI_FUNC void luaD_throw (lua_State *L, int errcode); +LUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode); LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud); -LUAI_FUNC void luaD_seterrorobj (lua_State *L, int errcode, StkId oldtop); - #endif |