/*
** Standard implementation of _ERRORMESSAGE.
** The library "iolib" redefines _ERRORMESSAGE for better error information.
*/
static void error_message (void) {
lua_Object al = lua_rawgetglobal("_ALERT");
if (lua_isfunction(al)) { /* avoid error loop if _ALERT is not defined */
char buff[600];
sprintf(buff, "lua error: %.500s\n", luaL_check_string(1));
lua_pushstring(buff);
lua_callfunction(al);
}
}
static void testC (void) {
#define getnum(s) ((*s++) - '0')
#define getname(s) (nome[0] = *s++, nome)
static int locks[10];
lua_Object reg[10];
char nome[2];
char *s = luaL_check_string(1);
nome[1] = 0;
for (;;) {
switch (*s++) {
case '0': case '1': case '2': case '3': case '4':
case '5': case '6': case '7': case '8': case '9':
lua_pushnumber(*(s-1) - '0');
break;
case 'c': reg[getnum(s)] = lua_createtable(); break;
case 'C': { lua_CFunction f = lua_getcfunction(lua_getglobal(getname(s)));
lua_pushcclosure(f, getnum(s));
break;
}
case 'P': reg[getnum(s)] = lua_pop(); break;
case 'g': { int n=getnum(s); reg[n]=lua_getglobal(getname(s)); break; }
case 'G': { int n = getnum(s);
reg[n] = lua_rawgetglobal(getname(s));
break;
}
case 'l': locks[getnum(s)] = lua_ref(1); break;
case 'L': locks[getnum(s)] = lua_ref(0); break;
case 'r': { int n=getnum(s); reg[n]=lua_getref(locks[getnum(s)]); break; }
case 'u': lua_unref(locks[getnum(s)]); break;
case 'p': { int n = getnum(s); reg[n] = lua_getparam(getnum(s)); break; }
case '=': lua_setglobal(getname(s)); break;
case 's': lua_pushstring(getname(s)); break;
case 'o': lua_pushobject(reg[getnum(s)]); break;
case 'f': lua_call(getname(s)); break;
case 'i': reg[getnum(s)] = lua_gettable(); break;
case 'I': reg[getnum(s)] = lua_rawgettable(); break;
case 't': lua_settable(); break;
case 'T': lua_rawsettable(); break;
case 'N' : lua_pushstring(lua_nextvar(lua_getstring(reg[getnum(s)])));
break;
case 'n' : { int n=getnum(s);
n=lua_next(reg[n], (int)lua_getnumber(reg[getnum(s)]));
lua_pushnumber(n); break;
}
default: luaL_verror("unknown command in `testC': %c", *(s-1));
}
if (*s == 0) return;
if (*s++ != ' ') lua_error("missing ` ' between commands in `testC'");
}
}
static void rawgetglobal() {
lua_pushobject(lua_rawgetglobal(luaL_check_string(1)));
}
