diff --git a/lua.c b/lua.c index b292ec7b..966916bd 100644 --- a/lua.c +++ b/lua.c @@ -3,13 +3,34 @@ ** Linguagem para Usuarios de Aplicacao */ -char *rcs_lua="$Id: lua.c,v 1.1 1993/12/17 18:41:19 celes Stab roberto $"; +char *rcs_lua="$Id: lua.c,v 1.2 1994/11/28 17:12:49 roberto Exp celes $"; #include #include "lua.h" #include "lualib.h" +static int lua_argc; +static char **lua_argv; + +/* +%F Allow Lua code to access argv strings. +%i Receive from Lua the argument number (starting with 1). +%o Return to Lua the argument, or nil if it does not exist. +*/ +static void lua_getargv (void) +{ + lua_Object lo = lua_getparam(1); + if (!lua_isnumber(lo)) + lua_pushnil(); + else + { + int n = (int)lua_getnumber(lo); + if (n < 1 || n > lua_argc) lua_pushnil(); + else lua_pushstring(lua_argv[n]); + } +} + int main (int argc, char *argv[]) { @@ -18,6 +39,9 @@ int main (int argc, char *argv[]) iolib_open (); strlib_open (); mathlib_open (); + + lua_register("argv", lua_getargv); + if (argc < 2) { char buffer[250]; @@ -25,8 +49,24 @@ int main (int argc, char *argv[]) result = lua_dostring(buffer); } else - for (i=1; i