[Mono-bugs] [Bug 649017] New: castclass emit does not work woth nested types

bugzilla_noreply at novell.com bugzilla_noreply at novell.com
Mon Oct 25 11:13:16 EDT 2010



           Summary: castclass emit does not work woth nested types
    Classification: Mono
           Product: Mono: Runtime
           Version: SVN
          Platform: Other
        OS/Version: Other
            Status: NEW
          Severity: Major
          Priority: P5 - None
         Component: misc
        AssignedTo: rkumpera at novell.com
        ReportedBy: msafar at novell.com
         QAContact: mono-bugs at lists.ximian.com
          Found By: ---
           Blocker: ---

compile & run

using System;
using System.Reflection;
using System.Reflection.Emit;

class Program
    static void Main ()
        AssemblyName asmname = new AssemblyName ();
        asmname.Name = "sre";
        AssemblyBuilder asmbuild = System.Threading.Thread.GetDomain
().DefineDynamicAssembly (asmname, AssemblyBuilderAccess.RunAndSave);
        ModuleBuilder modbuild = asmbuild.DefineDynamicModule ("modulename",

        TypeBuilder myType = modbuild.DefineType ("Sample",

        string[] typeParamNames = { "TFirst" };
        myType.DefineGenericParameters (typeParamNames);

        var nested = myType.DefineNestedType ("nested");
        nested.DefineGenericParameters (typeParamNames);

        var field = myType.DefineField ("field", nested,

        var m = myType.DefineMethod ("test", MethodAttributes.Public);
        m.SetParameters (myType);

        var ilgen = m.GetILGenerator ();
        ilgen.Emit (OpCodes.Ldarg_0);
        ilgen.Emit (OpCodes.Castclass, nested);
        ilgen.Emit (OpCodes.Pop);
        ilgen.Emit (OpCodes.Ret);

        var baked = myType.CreateType ();
        nested.CreateType ();

        asmbuild.Save ("sre.exe");


the expected

castclass class Sample/'nested'<!0>


castclass Sample/nested

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