RE: lua_pcall
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- Subject: RE: lua_pcall
- From: Brian Hook <hook_l@...>
- Date: Wed, 4 Feb 2004 19:43:48 -0500
To answer my own question (and to go back to what some others
suggested, i.e. read lua.c):
int base = lua_gettop(L) - narg; /* function index */
lua_pushliteral(L, "_TRACEBACK");
lua_rawget(L, LUA_GLOBALSINDEX); /* get traceback function */
lua_insert(L, base); /* put it under chunk and args */
The above makes it a lot more clear what I should be trying to do,
since it handles what I was worried about (i.e. mangling existing
functions) by sneaking stuff underneath the current frame.
It seems to me that it would be simpler to set a global error handling
function than to specify it for every call to lua_pcall?
Brian