Support for generics

[sake402]

Provides initial support for generic types

Description

Generic class and method generic parameters are looked up from the heapblock at runtime

Motivation and Context

This is meant to open opportunities to advance C# techniques, especially async

How Has This Been Tested?

Sample tests are in Test Application

What is working

Creating and constructing a generic class
Calling a generic method, instance or static
Passing generic parameter (reference type, value type or ref)

Not working yet

Returning a generic type from a method because the CLR_RECORD_METHODDEF::retVal was set by the MDP to be void and result is therefore not pushed onto the calling stack when returning, corrupting the calling stack in the process. Will need to update the MDP to effect this

Types of changes

• Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Config and build (change in the configuration and build system, has no impact on code or features)
• Dependencies (update dependencies and changes associated, has no impact on code or features)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[nfbot]

@sake402 there are issues with the code style on the source files.
A PR was submitted with the code style fixes. Please review and merge the changes. See sake402#7.

Make sure you are using the project code style. Check the details here.

[josesimoes]

@sake402 I'm merging this into it's own branch so it can be worked from there.
FYI I'm updating MDP to fully support generics and therefore fully support this feature.