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45 lines
1.1 KiB
45 lines
1.1 KiB
/*
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** $Id: ldo.h,v 1.10 1999/11/22 13:12:07 roberto Exp roberto $
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** Stack and Call structure of Lua
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** See Copyright Notice in lua.h
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*/
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#ifndef ldo_h
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#define ldo_h
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#include "lobject.h"
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#include "lstate.h"
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#define MULT_RET 255
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/*
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** macro to increment stack top.
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** There must be always an empty slot at the L->stack.top
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*/
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#define incr_top { if (L->stack.top >= L->stack.last) luaD_checkstack(L, 1); \
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L->stack.top++; }
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/* macros to convert from lua_Object to (TObject *) and back */
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#define Address(L, lo) ((lo)+L->stack.stack-1)
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#define Ref(L, st) ((st)-L->stack.stack+1)
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void luaD_init (lua_State *L);
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void luaD_adjusttop (lua_State *L, StkId newtop);
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void luaD_openstack (lua_State *L, int nelems);
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void luaD_lineHook (lua_State *L, int line);
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void luaD_callHook (lua_State *L, StkId base, const TProtoFunc *tf, int isreturn);
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void luaD_call (lua_State *L, TObject *func, int nResults);
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void luaD_callTM (lua_State *L, const TObject *f, int nParams, int nResults);
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int luaD_protectedrun (lua_State *L);
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void luaD_gcIM (lua_State *L, const TObject *o);
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void luaD_checkstack (lua_State *L, int n);
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#endif
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