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defines for _ERRORMESSAGE and _ALERT

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This commit is contained in:
Roberto Ierusalimschy 2000-05-09 11:50:16 -03:00
parent bad6365540
commit 44b71ca816
4 changed files with 17 additions and 13 deletions
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14
lbuiltin.c
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@ -1,5 +1,5 @@
/*
** $Id: lbuiltin.c,v 1.107 2000/04/25 16:55:09 roberto Exp roberto $
** $Id: lbuiltin.c,v 1.108 2000/05/08 19:32:53 roberto Exp roberto $
** Built-in functions
** See Copyright Notice in lua.h
*/
@ -106,7 +106,7 @@ void luaB__ALERT (lua_State *L) {
** The library `liolib' redefines _ERRORMESSAGE for better error information.
*/
void luaB__ERRORMESSAGE (lua_State *L) {
lua_Object al = lua_rawgetglobal(L, "_ALERT");
lua_Object al = lua_rawgetglobal(L, LUA_ALERT);
if (lua_isfunction(L, al)) { /* avoid error loop if _ALERT is not defined */
const char *s = luaL_check_string(L, 1);
char *buff = luaL_openspace(L, strlen(s)+sizeof("error: \n"));
@ -301,9 +301,9 @@ void luaB_call (lua_State *L) {
int narg = (int)getnarg(L, arg);
int i, status;
if (err != LUA_NOOBJECT) { /* set new error method */
lua_Object oldem = lua_getglobal(L, "_ERRORMESSAGE");
lua_Object oldem = lua_getglobal(L, LUA_ERRORMESSAGE);
lua_pushobject(L, err);
lua_setglobal(L, "_ERRORMESSAGE");
lua_setglobal(L, LUA_ERRORMESSAGE);
err = oldem;
}
/* push arg[1...n] */
@ -313,7 +313,7 @@ void luaB_call (lua_State *L) {
status = lua_callfunction(L, f);
if (err != LUA_NOOBJECT) { /* restore old error method */
lua_pushobject(L, err);
lua_setglobal(L, "_ERRORMESSAGE");
lua_setglobal(L, LUA_ERRORMESSAGE);
}
if (status != 0) { /* error in call? */
if (strchr(options, 'x')) {
@ -596,8 +596,8 @@ static void deprecated_funcs (lua_State *L) {
/* }====================================================== */
static const struct luaL_reg builtin_funcs[] = {
{"_ALERT", luaB__ALERT},
{"_ERRORMESSAGE", luaB__ERRORMESSAGE},
{LUA_ALERT, luaB__ALERT},
{LUA_ERRORMESSAGE, luaB__ERRORMESSAGE},
{"call", luaB_call},
{"collectgarbage", luaB_collectgarbage},
{"copytagmethods", luaB_copytagmethods},

4
ldo.c
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@ -1,5 +1,5 @@
/*
** $Id: ldo.c,v 1.73 2000/04/14 18:12:35 roberto Exp roberto $
** $Id: ldo.c,v 1.74 2000/05/08 19:32:53 roberto Exp roberto $
** Stack and Call structure of Lua
** See Copyright Notice in lua.h
*/
@ -223,7 +223,7 @@ void luaD_call (lua_State *L, StkId func, int nResults) {
static void message (lua_State *L, const char *s) {
const TObject *em = luaH_getglobal(L, "_ERRORMESSAGE");
const TObject *em = luaH_getglobal(L, LUA_ERRORMESSAGE);
if (*luaO_typename(em) == 'f') {
*L->top = *em;
incr_top;

6
liolib.c
View File

@ -1,5 +1,5 @@
/*
** $Id: liolib.c,v 1.61 2000/03/30 17:19:48 roberto Exp roberto $
** $Id: liolib.c,v 1.62 2000/04/24 21:05:11 roberto Exp roberto $
** Standard I/O (and system) library
** See Copyright Notice in lua.h
*/
@ -537,7 +537,7 @@ static void errorfb (lua_State *L) {
char buff[MAXMESSAGE];
int level = 1; /* skip level 0 (it's this function) */
lua_Debug ar;
lua_Object alertfunc = lua_rawgetglobal(L, "_ALERT");
lua_Object alertfunc = lua_rawgetglobal(L, LUA_ALERT);
sprintf(buff, "error: %.200s\n", lua_getstring(L, lua_getparam(L, 1)));
while (lua_getstack(L, level++, &ar)) {
char buffchunk[60];
@ -585,7 +585,7 @@ static void errorfb (lua_State *L) {
static const struct luaL_reg iolib[] = {
{"_ERRORMESSAGE", errorfb},
{LUA_ERRORMESSAGE, errorfb},
{"clock", io_clock},
{"date", io_date},
{"debug", io_debug},

6
lua.h
View File

@ -1,5 +1,5 @@
/*
** $Id: lua.h,v 1.49 2000/05/08 19:32:53 roberto Exp roberto $
** $Id: lua.h,v 1.50 2000/05/08 19:37:10 roberto Exp roberto $
** Lua - An Extensible Extension Language
** TeCGraf: Grupo de Tecnologia em Computacao Grafica, PUC-Rio, Brazil
** e-mail: lua@tecgraf.puc-rio.br
@ -16,6 +16,10 @@
#define LUA_AUTHORS "W. Celes, R. Ierusalimschy & L. H. de Figueiredo"
#define LUA_ALERT "_ALERT"
#define LUA_ERRORMESSAGE "_ERRORMESSAGE"
#define LUA_NOREF (-2)
#define LUA_REFNIL (-1)