small bug with coroutine tracebacks

This commit is contained in:
Roberto Ierusalimschy 2004-09-21 14:58:06 -03:00
parent 6acfb91c8d
commit 4973682294

View File

@ -1,5 +1,5 @@
/*
** $Id: ldblib.c,v 1.86 2004/05/31 19:27:14 roberto Exp roberto $
** $Id: ldblib.c,v 1.87 2004/08/13 18:02:36 roberto Exp roberto $
** Interface from Lua to its debug API
** See Copyright Notice in lua.h
*/
@ -275,14 +275,15 @@ static int debug (lua_State *L) {
#define LEVELS2 10 /* size of the second part of the stack */
static int errorfb (lua_State *L) {
int level = 1; /* skip level 0 (it's this function) */
int level = 0;
int firstpart = 1; /* still before eventual `...' */
int arg;
lua_State *L1 = getthread(L, &arg);
lua_Debug ar;
if (L == L1) level++; /* skip level 0 (it's this function) */
if (lua_gettop(L) == arg)
lua_pushliteral(L, "");
else if (!lua_isstring(L, arg+1)) return 1; /* no string message */
else if (!lua_isstring(L, arg+1)) return 1; /* message is not a string */
else lua_pushliteral(L, "\n");
lua_pushliteral(L, "stack traceback:");
while (lua_getstack(L1, level++, &ar)) {