[Mono-bugs] [Bug 419966] Cannot copy instructions from one assembly to another

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https://bugzilla.novell.com/show_bug.cgi?id=419966

User high6 at live.com added comment
https://bugzilla.novell.com/show_bug.cgi?id=419966#c2





--- Comment #2 from high six <high6 at live.com>  2008-08-25 08:11:19 MDT ---
I rather keep my source closed so here is the dump of the method's body.

ldarg.0
ldstr System.Security.Cryptography.MD5
ldc.i4 1
newarr System.Object
stloc.s V_4
stloc.s V_5
ldloc.s V_4
ldc.i4 0
ldloc.s V_5
stelem.ref
ldloc.s V_4
ldc.i4 0
ldelem.ref
castclass System.String
ldc.i4 1
newarr System.Object
stloc.s V_2
stloc.s V_3
ldloc.s V_2
ldc.i4 0
ldloc.s V_3
stelem.ref
ldloc.s V_2
ldc.i4 0
ldelem.ref
castclass System.String
ldnull
call System.Object
System.Security.Cryptography.CryptoConfig::CreateFromName(System.String,System.Object[])
castclass System.Security.Cryptography.MD5
stfld System.Security.Cryptography.MD5 ConsoleApplication1.Program::md5
ldarg.0
ldfld System.Security.Cryptography.MD5 ConsoleApplication1.Program::md5
ldsfld System.Text.Encoding System.Text.Encoding::asciiEncoding
brtrue Mono.Cecil.Cil.Instruction
newobj System.Void System.Text.ASCIIEncoding::.ctor()
stsfld System.Text.Encoding System.Text.Encoding::asciiEncoding
ldsfld System.Text.Encoding System.Text.Encoding::asciiEncoding
ldstr HI!
callvirt System.Byte[] System.Text.Encoding::GetBytes(System.String)
callvirt System.Byte[]
System.Security.Cryptography.HashAlgorithm::ComputeHash(System.Byte[])
stloc.0
ldloc.0
call System.String System.Convert::ToBase64String(System.Byte[])
stloc.1
ldloc.1
ret

and here is the exe after that is saved.

http://rapidshare.com/files/139997368/ConsoleApplication2.exe.exe.html

All I am doing is loading the crypto dll and inlining the static methods.
(Inline works fine on local static classes)

The code I am using to get the md5 method. (This code I am fine with sharing)

    List<AssemblyDefinition> Loaded = new List<AssemblyDefinition>();
    AssemblyDefinition LoadAssembly(string name, string ver)
    {
        for (int a = 0; a < Loaded.Count; a++)
        {
            if (name == Loaded[a].Name.Name)
            {
                return Loaded[a];
            }
        }
        string file = Environment.GetEnvironmentVariable("SystemRoot") +
"/Microsoft.NET/Framework/" + ver + "/" + name + ".dll";
        if (System.IO.File.Exists(file) == false)
            return null;
        AssemblyDefinition asm = AssemblyFactory.GetAssembly(file);
        Loaded.Add(asm);
        return asm;
    }
    MethodDefinition GetDefinition(MethodReference mr, string ver)
    {
        TypeReference t = mr.DeclaringType;
        string file = "ERROR!";
        if (t.Scope is AssemblyNameReference)
        {
            file = ((AssemblyNameReference)t.Scope).Name;
        }
        else if (t.Scope is ModuleDefinition)
        {
            file = ((ModuleDefinition)t.Scope).Assembly.Name.Name;
        }
        else
        {

        }
        if (file.EndsWith(".dll"))
            file = file.Substring(0, file.Length - 4);
        AssemblyDefinition asm = LoadAssembly(file, ver);

        if (asm == null)
            return null;

        for (int a = 0; a < asm.MainModule.Types.Count; a++)
        {
            if (t.Namespace == asm.MainModule.Types[a].Namespace && t.Name ==
asm.MainModule.Types[a].Name)
            {
                for (int b = 0; b < asm.MainModule.Types[a].Methods.Count; b++)
                {
                    if (mr.Name == asm.MainModule.Types[a].Methods[b].Name &&
ParamCmp(mr.Parameters, asm.MainModule.Types[a].Methods[b].Parameters))
                    {
                        return asm.MainModule.Types[a].Methods[b];
                    }
                }
            }
        }

        return null;
    }


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