| /* |
| ** $Id: ldo.h,v 1.4 1997/12/15 16:17:20 roberto Exp roberto $ |
| ** Stack and Call structure of Lua |
| ** See Copyright Notice in lua.h |
| */ |
| |
| #ifndef ldo_h |
| #define ldo_h |
| |
| |
| #include "lobject.h" |
| #include "lstate.h" |
| |
| |
| #define MULT_RET 255 |
| |
| |
| |
| /* |
| ** macro to increment stack top. |
| ** There must be always an empty slot at the L->stack.top |
| */ |
| #define incr_top { if (L->stack.top >= L->stack.last) luaD_checkstack(1); \ |
| L->stack.top++; } |
| |
| |
| /* macros to convert from lua_Object to (TObject *) and back */ |
| |
| #define Address(lo) ((lo)+L->stack.stack-1) |
| #define Ref(st) ((st)-L->stack.stack+1) |
| |
| |
| void luaD_init (void); |
| void luaD_adjusttop (StkId newtop); |
| void luaD_openstack (int nelems); |
| void luaD_lineHook (int line); |
| void luaD_callHook (StkId base, TProtoFunc *tf, int isreturn); |
| void luaD_call (StkId base, int nResults); |
| void luaD_calln (int nArgs, int nResults); |
| void luaD_callTM (TObject *f, int nParams, int nResults); |
| int luaD_protectedrun (int nResults); |
| void luaD_gcIM (TObject *o); |
| void luaD_travstack (int (*fn)(TObject *)); |
| void luaD_checkstack (int n); |
| |
| |
| #endif |