1*eda14cbcSMatt Macy /* 2*eda14cbcSMatt Macy ** $Id: ldo.h,v 2.20.1.1 2013/04/12 18:48:47 roberto Exp $ 3*eda14cbcSMatt Macy ** Stack and Call structure of Lua 4*eda14cbcSMatt Macy ** See Copyright Notice in lua.h 5*eda14cbcSMatt Macy */ 6*eda14cbcSMatt Macy 7*eda14cbcSMatt Macy #ifndef ldo_h 8*eda14cbcSMatt Macy #define ldo_h 9*eda14cbcSMatt Macy 10*eda14cbcSMatt Macy 11*eda14cbcSMatt Macy #include "lobject.h" 12*eda14cbcSMatt Macy #include "lstate.h" 13*eda14cbcSMatt Macy #include "lzio.h" 14*eda14cbcSMatt Macy 15*eda14cbcSMatt Macy 16*eda14cbcSMatt Macy #define luaD_checkstack(L,n) if (L->stack_last - L->top <= (n)) \ 17*eda14cbcSMatt Macy luaD_growstack(L, n); else condmovestack(L); 18*eda14cbcSMatt Macy 19*eda14cbcSMatt Macy 20*eda14cbcSMatt Macy #define incr_top(L) {L->top++; luaD_checkstack(L,0);} 21*eda14cbcSMatt Macy 22*eda14cbcSMatt Macy #define savestack(L,p) ((char *)(p) - (char *)L->stack) 23*eda14cbcSMatt Macy #define restorestack(L,n) ((TValue *)((char *)L->stack + (n))) 24*eda14cbcSMatt Macy 25*eda14cbcSMatt Macy 26*eda14cbcSMatt Macy /* type of protected functions, to be ran by `runprotected' */ 27*eda14cbcSMatt Macy typedef void (*Pfunc) (lua_State *L, void *ud); 28*eda14cbcSMatt Macy 29*eda14cbcSMatt Macy LUAI_FUNC int luaD_protectedparser (lua_State *L, ZIO *z, const char *name, 30*eda14cbcSMatt Macy const char *mode); 31*eda14cbcSMatt Macy LUAI_FUNC void luaD_hook (lua_State *L, int event, int line); 32*eda14cbcSMatt Macy LUAI_FUNC int luaD_precall (lua_State *L, StkId func, int nresults); 33*eda14cbcSMatt Macy LUAI_FUNC void luaD_call (lua_State *L, StkId func, int nResults, 34*eda14cbcSMatt Macy int allowyield); 35*eda14cbcSMatt Macy LUAI_FUNC int luaD_pcall (lua_State *L, Pfunc func, void *u, 36*eda14cbcSMatt Macy ptrdiff_t oldtop, ptrdiff_t ef); 37*eda14cbcSMatt Macy LUAI_FUNC int luaD_poscall (lua_State *L, StkId firstResult); 38*eda14cbcSMatt Macy LUAI_FUNC void luaD_reallocstack (lua_State *L, int newsize); 39*eda14cbcSMatt Macy LUAI_FUNC void luaD_growstack (lua_State *L, int n); 40*eda14cbcSMatt Macy LUAI_FUNC void luaD_shrinkstack (lua_State *L); 41*eda14cbcSMatt Macy 42*eda14cbcSMatt Macy LUAI_FUNC l_noret luaD_throw (lua_State *L, int errcode); 43*eda14cbcSMatt Macy LUAI_FUNC int luaD_rawrunprotected (lua_State *L, Pfunc f, void *ud); 44*eda14cbcSMatt Macy 45*eda14cbcSMatt Macy #endif 46