lua/lua.h
Roberto Ierusalimschy 3ccdd57c26 new version
1996-11-12 14:00:16 -02:00

117 lines
3.2 KiB
C

/*
** LUA - Linguagem para Usuarios de Aplicacao
** Grupo de Tecnologia em Computacao Grafica
** TeCGraf - PUC-Rio
** $Id: lua.h,v 3.30 1996/11/07 20:26:08 roberto Exp roberto $
*/
#ifndef lua_h
#define lua_h
#define LUA_VERSION "Lua 2.5"
#define LUA_COPYRIGHT "Copyright (C) 1994-1996 TeCGraf"
#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
/* Private Part */
typedef enum
{
LUA_T_NIL = -1,
LUA_T_NUMBER = -2,
LUA_T_STRING = -3,
LUA_T_ARRAY = -4,
LUA_T_FUNCTION = -5,
LUA_T_CFUNCTION= -6,
LUA_T_MARK = -7,
LUA_T_CMARK = -8,
LUA_T_LINE = -9,
LUA_T_USERDATA = 0
} lua_Type;
/* Public Part */
#define LUA_NOOBJECT 0
typedef void (*lua_CFunction) (void);
typedef unsigned int lua_Object;
lua_Object lua_setfallback (char *name, lua_CFunction fallback);
void lua_error (char *s);
int lua_dofile (char *filename);
int lua_dostring (char *string);
int lua_callfunction (lua_Object function);
int lua_call (char *funcname);
void lua_beginblock (void);
void lua_endblock (void);
lua_Object lua_getparam (int number);
#define lua_getresult(_) lua_getparam(_)
#define lua_isnil(_) (lua_type(_)==LUA_T_NIL)
#define lua_istable(_) (lua_type(_)==LUA_T_ARRAY)
#define lua_isuserdata(_) (lua_type(_)>=LUA_T_USERDATA)
#define lua_iscfunction(_) (lua_type(_)==LUA_T_CFUNCTION)
int lua_isnumber (lua_Object object);
int lua_isstring (lua_Object object);
int lua_isfunction (lua_Object object);
float lua_getnumber (lua_Object object);
char *lua_getstring (lua_Object object);
lua_CFunction lua_getcfunction (lua_Object object);
void *lua_getuserdata (lua_Object object);
void lua_pushnil (void);
void lua_pushnumber (float n);
void lua_pushstring (char *s);
void lua_pushcfunction (lua_CFunction fn);
void lua_pushusertag (void *u, int tag);
void lua_pushobject (lua_Object object);
lua_Object lua_getglobal (char *name);
void lua_storeglobal (char *name);
void lua_storesubscript (void);
lua_Object lua_getsubscript (void);
int lua_type (lua_Object object);
int lua_ref (int lock);
lua_Object lua_getref (int ref);
void lua_pushref (int ref);
void lua_unref (int ref);
lua_Object lua_createtable (void);
/* some useful macros */
#define lua_refobject(o,l) (lua_pushobject(o), lua_ref(l))
#define lua_register(n,f) (lua_pushcfunction(f), lua_storeglobal(n))
#define lua_pushuserdata(u) lua_pushusertag(u, LUA_T_USERDATA)
/* for compatibility with old versions. Avoid using these macros */
#define lua_lockobject(o) lua_refobject(o,1)
#define lua_lock() lua_ref(1)
#define lua_getlocked lua_getref
#define lua_pushlocked lua_pushref
#define lua_unlock lua_unref
#define lua_pushliteral(o) lua_pushstring(o)
#define lua_getindexed(o,n) (lua_pushobject(o), lua_pushnumber(n), lua_getsubscript())
#define lua_getfield(o,f) (lua_pushobject(o), lua_pushliteral(f), lua_getsubscript())
#define lua_copystring(o) (strdup(lua_getstring(o)))
#endif