Check out Metaspec's C# parser:
The Metaspec C# parser is fully
compliant with ECMA-334 and ECMA-335
standards. In addition, it supports
Microsoft-specific extensions. For
details about the C# parser library,
see the online documentation (C#
edition or C++ edition).
C# 3.0
supported features:
- new C# 3.0 type inference algorithm
- implicitly typed local variables
- object initializers
- collection initializers
- anonymous object creation expressions
- lambda expressions
- anonymous types
- extension methods
- query expressions
- partial methods
C# 2.0 supported features:
- generics
- nullable types
- anonymous methods
