diff options
Diffstat (limited to 'ldo.h')
-rw-r--r-- | ldo.h | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -49,6 +49,18 @@ luaD_checkstackaux(L, (fsize), luaC_checkGC(L), (void)0) +/* +** 'luaD_precall' is used for regular calls, when it needs the +** number of results, and in tail calls, when it needs the 'delta' +** (correction of base for vararg functions). The argument 'retdel' +** codes these two options. A number of results is represented by +** itself, while a delta is represented by 'delta2retdel(delta)' +*/ +#define delta2retdel(d) (-(d) + LUA_MULTRET - 1) +#define retdel2delta(d) (-(d) + LUA_MULTRET - 1) +#define isdelta(rd) ((rd) < LUA_MULTRET) + + /* type of protected functions, to be ran by 'runprotected' */ typedef void (*Pfunc) (lua_State *L, void *ud); @@ -58,8 +70,7 @@ LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name, LUAI_FUNC void luaD_hook (lua_State *L, int event, int line, int fTransfer, int nTransfer); LUAI_FUNC void luaD_hookcall (lua_State *L, CallInfo *ci); -LUAI_FUNC CallInfo *luaD_precall (lua_State *L, StkId func, int nresults, - int delta1); +LUAI_FUNC CallInfo *luaD_precall (lua_State *L, StkId func, int retdel); LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults); LUAI_FUNC void luaD_callnoyield (lua_State *L, StkId func, int nResults); LUAI_FUNC void luaD_tryfuncTM (lua_State *L, StkId func); |