lua

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commit b449a5e574874f053859db3da18599b8b968e4e9
parent e572dffa1520f0331a0842a069bb17e2730c6575
Author: Roberto Ierusalimschy <roberto@inf.puc-rio.br>
Date:   Thu, 20 Jun 2002 17:39:47 -0300

more robust when printing error messages

Diffstat:
Mlua.c | 13+++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/lua.c b/lua.c @@ -1,5 +1,5 @@ /* -** $Id: lua.c,v 1.91 2002/06/18 17:12:05 roberto Exp roberto $ +** $Id: lua.c,v 1.92 2002/06/18 17:43:49 roberto Exp roberto $ ** Lua stand-alone interpreter ** See Copyright Notice in lua.h */ @@ -73,9 +73,14 @@ static void report (int status) { lua_remove(L, -2); /* lease only traceback on stack */ } lua_getglobal(L, "_ALERT"); - lua_pushvalue(L, -2); - lua_pcall(L, 1, 0); - lua_pop(L, 1); + if (lua_isfunction(L, -1)) { + lua_pushvalue(L, -2); + lua_pcall(L, 1, 0); + } + else { + lua_pop(L, 1); + fprintf(stderr, "%s", lua_tostring(L, -1)); + } } }