mudgangster

commit 72b0096e18c59c75bd77872cfe20e5b23fd06a5b
parent ed4fa12c0dc5d0ea41584bf4ee83c3b0d32651bd
Author: Michael Savage <mikejsavage@gmail.com>
Date:   Thu,  6 Dec 2012 00:52:33 +0000

Add error checking to alias callbacks

Diffstat:
alias.lua
 | 
8
+++++++-

1 file changed, 7 insertions(+), 1 deletion(-)
diff --git a/alias.lua b/alias.lua
@@ -9,7 +9,13 @@ local function doAlias( line )
 
 		for i = 1, #alias.callbacks do
 			local callback = alias.callbacks[ i ]
-			local _, subs = args:gsub( callback.pattern, callback.callback )
+			local ok, err, subs = pcall( string.gsub, args, callback.pattern, callback.callback )
+
+			if not ok then
+				mud.print( debug.traceback( "\n#s> alias callback failed: %s" % err ) )
+
+				return true
+			end
 
 			if subs ~= 0 then
 				badSyntax = false