[Mono-bugs] [Bug 387507] New: Debugger can not display arrays.

[bugzilla_noreply at novell.com]

https://bugzilla.novell.com/show_bug.cgi?id=387507


           Summary: Debugger can not display arrays.
           Product: Mono: Debugger
           Version: unspecified
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Normal
          Priority: P5 - None
         Component: cli
        AssignedTo: martin at novell.com
        ReportedBy: miguel at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---


I was debugging a small sample using `smcs' to build it and trying to debug:

(mdb) p match
(System.Reflection.MethodBase[]) [ <cannot display object>
(mdb) p match [0]
ERROR: Caught exception while executing command
Mono.Debugger.Frontend.DebuggerEngine: System.InvalidOperationException:
Nullable object must have a value.
  at System.Nullable`1[System.Int32].get_Value () [0x00016] in
/second/home/cvs/mcs/class/corlib/System/Nullable.cs:101 
  at Mono.Debugger.Languages.TargetArrayBounds.get_Length () [0x0001c] in
/second/home/cvs/debugger/languages/TargetArrayType.cs:29 
  at Mono.Debugger.Languages.TargetArrayObject.GetArrayOffset
(Mono.Debugger.TargetMemoryAccess target, System.Int32[] indices) [0x00088] in
/second/home/cvs/debugger/languages/TargetArrayObject.cs:59 
  at Mono.Debugger.Languages.Mono.MonoArrayObject.GetElement
(Mono.Debugger.TargetMemoryAccess target, System.Int32[] indices) [0x00000] in
/second/home/cvs/debugger/languages/mono/MonoArrayObject.cs:45 
  at
Mono.Debugger.Languages.TargetArrayObject+<>c__CompilerGenerated38.<GetElement>c__110
(Mono.Debugger.TargetMemoryAccess target) [0x00000] in
/second/home/cvs/debugger/languages/TargetArrayObject.cs:96 
  at
Mono.Debugger.Backend.SingleSteppingEngine+<>c__CompilerGenerated7.<DoTargetAccess>c__79
(Mono.Debugger.Thread +11, System.Object +12) [0x00000] in
/second/home/cvs/debugger/backend/SingleSteppingEngine.cs:791 
  at
Mono.Debugger.Backend.SingleSteppingEngine+<>c__CompilerGenerated33.<Invoke>c__105
(Mono.Debugger.Thread +115, System.Object +116) [0x00000] in
/second/home/cvs/debugger/backend/SingleSteppingEngine.cs:1908 
  at Mono.Debugger.Backend.SingleSteppingEngine.SendCommand
(Mono.Debugger.TargetAccessDelegate target) [0x00022] in
/second/home/cvs/debugger/backend/SingleSteppingEngine.cs:613 
  at Mono.Debugger.Backend.SingleSteppingEngine.Invoke
(Mono.Debugger.TargetAccessDelegate func, System.Object data) [0x0001d] in
/second/home/cvs/debugger/backend/SingleSteppingEngine.cs:1907 
  at Mono.Debugger.Backend.ThreadManager.engine_thread_main () [0x0014e] in
/second/home/cvs/debugger/backend/ThreadManager.cs:338 
(mdb) 


The sample is:
using System;
using System.IO;
using System.Resources;
using System.Reflection;

class T {
        static void Main ()
        {
                Assembly a = Assembly.LoadFrom ("/tmp/a.dll");

                ResourceManager m = new ResourceManager
("SilverlightApplication2.g", a);
                Stream s = m.GetStream ("Page.xaml");
        }
}

Important, this must be compiled with `smcs', not sure why I get different
behavior from gmcs (it aborts early).


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