[antlr-interest] C# vs MSIL Output

[Mike Bresnahan]

> Actually you can generate IL once you have a CodeDom tree - there are
> classes in the Microsoft.CSharp namespace:
>
> CSharpCodeProvider.CreateCompiler
> CSharpCodeProvider.CreateGenerator
> CSharpCodeProvider.CreateParser

As far as I can tell, the ICompiler object created by
CSharpCodeProvider.CreateCompiler converts the CodeDom to C# and invokes
csc.exe.  I'm guessing CodeDom is not transformed directly to MSIL because
csc.exe uses a different data structure for storing the parsed source code.
Until this internal data structure and CodeDom are the same or someone
writes a new compiler, we will be stuck transforming CodeDom to source code
as an intermediate step.

What's interesting is that there is an option to create the compiled
assembly in-memory instead of in a temporary file.  I'm guessing this means
that csc.exe outputs the assembly to stdout or through some other IPC
mechanism, however "csc.exe -help" does not list such and option.

Mike Bresnahan



 
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