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new module 'auxlib' centralizes functions to get/check parameters.

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Roberto Ierusalimschy
1997-03-17 14:02:29 -03:00
parent b6d91e24e2
commit eea734aa88
8 changed files with 146 additions and 157 deletions
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13
lua.h
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@@ -2,7 +2,7 @@
** LUA - Linguagem para Usuarios de Aplicacao
** Grupo de Tecnologia em Computacao Grafica
** TeCGraf - PUC-Rio
** $Id: lua.h,v 3.34 1997/02/20 15:51:14 roberto Exp roberto $
** $Id: lua.h,v 3.35 1997/02/26 17:38:41 roberto Unstable roberto $
*/
@@ -80,6 +80,7 @@ void lua_unref (int ref);
lua_Object lua_createtable (void);
/* =============================================================== */
/* some useful macros */
#define lua_refobject(o,l) (lua_pushobject(o), lua_ref(l))
@@ -89,7 +90,17 @@ lua_Object lua_createtable (void);
#define lua_pushuserdata(u) lua_pushusertag(u, 0)
/* =============================================================== */
/* Auxiliar functions for libraries */
void luaL_arg_check(int cond, char *funcname, int numarg, char *extramsg);
char *luaL_check_string (int numArg, char *funcname);
char *luaL_opt_string (int numArg, char *def, char *funcname);
double luaL_check_number (int numArg, char *funcname);
double luaL_opt_number (int numArg, double def, char *funcname);
/* =============================================================== */
/* for compatibility with old versions. Avoid using these macros */
#define lua_type(o) (lua_tag(o))