https://bugzilla.novell.com/show_bug.cgi?id=389276
Summary: MemberCache.FindMemberToOverride fails due to a
different behaviour of MethodBase.GetGenericArguments
between Mono and original
Product: Mono: Compilers
Version: 1.9.0
Platform: x86
OS/Version: Windows XP
Status: NEW
Severity: Normal
Priority: P5 - None
Component: C#
AssignedTo: [email protected]
ReportedBy: [EMAIL PROTECTED]
QAContact: [email protected]
Depends on: 389272
Found By: Other
Running under original .NET Framework
Mono.CSharp.MemberCache.FindMemberToOverride(Type invocation_type, string name,
Type []
param_types, GenericMethod generic_method, bool is_property)
in decl.cs ~2404ln
Fails due to a different behaviour of MethodBase.GetGenericArguments between
Mono and original Microsoft .NET Framework 2.0 SP1
NullReferenceException
NET returns null as result to a call to GetGenericArguments, whereas Mono
returns an empty array.
Proposed workaround is to change Mono.CSharp.TypeManager class to be defensive
and translate Microsoft's null behaviour to Mono's empty array behaviour.
In particular, the proposed change is in typemanager.cs file ~line 2930:
public static Type[] GetGenericArguments (MethodBase mi)
{
#if GMCS_SOURCE
#if MS_COMPATIBLE
return mi.GetGenericArguments() ??
Type.EmptyTypes;
#else
return mi.GetGenericArguments ();
#endif
#else
return Type.EmptyTypes;
#endif
}
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