[IronPython] Console problem

Anthony Tarlano mailinglist.account at gmail.com
Sun Mar 12 12:46:29 CET 2006


As you probably already know the Mono CLR may have many interesting
bugs that may not show up on the MS .NET CLR. Thus, you should
probably verify whether your bugs are isolated to a specific CLR in
order to determine which mailing list to send your bug reports.

The IronPython developers primary target is the MS .NET CLR and I am
sure they don't want to be chasing bugs that aren't even dealing with
their software.

Don't you agree?


On 3/12/06, Sanghyeon Seo <sanxiyn at gmail.com> wrote:
> 2006/3/12, Martin Maly <Martin.Maly at microsoft.com>:
> > I tried to look into this, but cannot reproduce the exception no matter
> > how hard I try. Are you running IronPython with any command line parameters?
> I am running IronPython with Mono (latest dev version). Perhaps that matters.
> This bug happens only on interactive console. Running script is fine.
> Here's the transcript with -X:ExceptionDetail:
> IronPython 1.0.2258 (Beta) on .NET 2.0.50727.42
> Copyright (c) Microsoft Corporation. All rights reserved.
> >>> class C:
> ...     x = 1
> ...
> Object reference not set to an instance of an object
> in <0x00060> System.Reflection.Emit.ILGenerator:Emit (OpCode opcode,
> System.Reflection.MethodInfo method)
> in <0x00024> IronPython.Compiler.CodeGen:Emit (OpCode opcode,
> System.Reflection.MethodInfo meth)
> in <0x0008b> IronPython.Compiler.CodeGen:EmitCall
> (System.Reflection.MethodInfo mi)
> in <0x000f9> IronPython.Compiler.ClassDef:Emit (IronPython.Compiler.CodeGen cg)
> in <0x0001f> IronPython.Compiler.GlobalSuite:Emit
> (IronPython.Compiler.CodeGen cg)
> in <0x001c5> IronPython.Compiler.OutputGenerator:GenerateSnippet
> (IronPython.Compiler.CompilerContext context, IronPython.Compiler.Stmt
> body, System.String name, Boolean printExprStmts)
> in <0x000bf> IronPython.Hosting.PythonEngine:DoOneInteractive
> (IronPython.Runtime.Frame topFrame)
> in <0x0002f> IronPython.Hosting.PythonEngine:RunInteractiveLoop ()
> SystemError: Object reference not set to an instance of an object
> >>>
> Mono people? Any idea?
> Seo Sanghyeon
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