Stack Overflow
Stack Overflow

Questions tagged [reflection.emit]

The System.Reflection.Emit namespace contains classes that allow a compiler or tool to emit metadata and Microsoft intermediate language (MSIL) and optionally generate a PE file on disk.

737 questions
8
votes
1 answer

Convert IntPtr to Int64: conv.u8 or conv.i8?

I'm working on an ILGenerator extension to help emit IL fragments using Expression. Everything was fine, until I worked on the integer conversion part. There are something really counter-intuitive to me, like: Use conv.i8 to convert Int32 to…
kevinjwz
  • 181
  • 6
8
votes
1 answer

When implementing an interface that has a method with 'in' parameter by TypeBuilder.CreateType, TypeLoadException is thrown

Using TypeBuilder, I'm building a class that implements an interface that contains a method. After implementing that method with ILGenerator, then I call TypeBuilder.CreateType() and everything goes well in the normal case. But if the method…
Codeption
  • 141
  • 8
8
votes
1 answer

C# Build anonymous object dynamically

In C# I can easily create an anonymous object like this at the compile time: var items = new { Price = 2000, Description = "", Locations = new List { "", "" } }; My question is, it's possible to create this object at the runtime ? I've…
amd
  • 20,637
  • 6
  • 49
  • 67
8
votes
1 answer

How can I define a global field in a ModuleBuilder

I'm making dynamic assemblies with System.Reflection.Emit, and I want to define a module-level field, the kind that can be retrieved with Module.GetField. There are methods in ModuleBuilder to define global methods, but the only thing I could find…
Anonymous
  • 491
  • 2
  • 12
8
votes
2 answers

Create a copy of method from IL

I am trying to create a copy of a method during runtime using reflection. I have the following code. public static R CopyMethod(Func f, T t) { AppDomain currentDom = Thread.GetDomain(); AssemblyName asm = new AssemblyName(); …
Igor Ševo
  • 5,459
  • 3
  • 35
  • 80
8
votes
2 answers

Emit IL code to load a decimal value

I have code like this to emit IL code that loads integer or string values. But I don't know how to add the decimal type to that. It isn't supported in the Emit method. Any solutions to this? ILGenerator ilGen = methodBuilder.GetILGenerator(); if…
ygoe
  • 18,655
  • 23
  • 113
  • 210
8
votes
1 answer

Why can't I step into a Call instruction during Debug / Disassembly?

The Disassembly looks like: methShort( ref x, ref y ); 000007FF00163F67 lea r8,[rsp+34h] 000007FF00163F6C lea rdx,[rsp+30h] 000007FF00163F71 mov rcx,qword ptr [rsp+20h] 000007FF00163F76 mov …
Veldaeven
  • 319
  • 1
  • 13
8
votes
2 answers

What's an ansi class in C#?

I started using reflection in my project. When I create a type and I want to specify the TypeAttributes, I have two options: AnsiClass and Class. They are both set to 0 in the enum TypeAttributes. public enum TypeAttributes { // LPTSTR is…
billybob
  • 2,859
  • 6
  • 35
  • 55
8
votes
6 answers

Replacing instructions in a method's MethodBody

(First of all, this is a very lengthy post, but don't worry: I've already implemented all of it, I'm just asking your opinion, or possible alternatives.) I'm having trouble implementing the following; I'd appreciate some help: I get a Type as…
Alix
  • 927
  • 7
  • 21
8
votes
3 answers

How do I emit code and inject it into a loaded assembly?

I've built some Types dynamically using System.CodeDom.CodeCompileUnit, want to compile those into IL code in memory, and inject that IL code into an assembly loaded in memory - there is no need to save any of this to disk. Maybe my stated plan is…
John K
  • 28,441
  • 31
  • 139
  • 229
8
votes
1 answer

Have I made a mistake in this IL I'm not seeing?

I'm working on a compiler using System.Reflection.Emit, and I'm getting JIT limitation errors I can't figure out. The problem occurs in my implementation of function handles. I.e. generating the code for function foo() { } f = foo; f(); Due to…
cthom06
  • 9,389
  • 4
  • 36
  • 28
8
votes
2 answers

Alternatives to Reflection.Emit for the Compact Framework

It seems that .NET CF is missing the very useful Reflection.Emit. So far, I found this library as an alternative: http://www.codeplex.com/EmitCF. However it seems to be an abandoned early version, so I'm looking for more options. Does anyone know…
Hermit
  • 1,214
  • 13
  • 24
8
votes
2 answers

Is it possible to use Reflection.Emit for the opcodes stelem.any and ldelem.any?

So, I recently did some experimenting and discovered that it appears that Reflection.Emit doesn't support all of the opcodes in the ECMA spec. There are 3 opcodes missing: ldelem.any stelem.any no. (prefix) Are these opcodes just not supported in…
Earlz
  • 62,085
  • 98
  • 303
  • 499
8
votes
4 answers

General purpose FromEvent method

Using the new async/await model it's fairly straightforward to generate a Task that is completed when an event fires; you just need to follow this pattern: public class MyClass { public event Action OnCompletion; } public static Task…
Servy
  • 202,030
  • 26
  • 332
  • 449
8
votes
1 answer

Emitting delegate function call

I have the following C# code: public static double f2(Func f, double x) { return f(x); } And here it's IL code: .method public hidebysig static float64 f2 ( class [mscorlib]System.Func`2 f, …
Ivan Kochurkin
  • 4,413
  • 8
  • 45
  • 80
1 2 3
…
49 50