5 // Michael Hutchinson (mhutch@xamarin.com)
7 // Copyright (C) 2013 Xamarin Inc. (http://www.xamarin.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
33 static class CairoDebug
35 static System.Collections.Generic.Dictionary<IntPtr,string> traces;
37 public static readonly bool Enabled;
41 var dbg = Environment.GetEnvironmentVariable ("MONO_CAIRO_DEBUG_DISPOSE");
45 traces = new System.Collections.Generic.Dictionary<IntPtr,string> ();
48 public static void OnAllocated (IntPtr obj)
51 throw new InvalidOperationException ();
53 traces[obj] = Environment.StackTrace;
56 public static void OnDisposed<T> (IntPtr obj, bool disposing)
58 if (disposing && !Enabled)
59 throw new InvalidOperationException ();
61 if (Environment.HasShutdownStarted)
65 Console.Error.WriteLine ("{0} is leaking, programmer is missing a call to Dispose", typeof(T).FullName);
68 if (traces.TryGetValue (obj, out val)) {
69 Console.Error.WriteLine ("Allocated from:");
70 Console.Error.WriteLine (val);
73 Console.Error.WriteLine ("Set MONO_CAIRO_DEBUG_DISPOSE to track allocation traces");