Roslyn Parsing now Formatting Code

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I almost took another break on Roslyn’s SyntaxTree, to tackle dialogue. But I spent Thursday resolving it to completion. 😊 For the initial test, I wanted parsing, as it is *somewhat* easy to apply formatting based on the syntax kind (of which there are around 500 see: https://github.com/dotnet/roslyn/blob/master/src/Compilers/CSharp/Portable/Syntax/SyntaxKind.cs ).  I set it up to pick a color at random for each new kind it comes across in code. (rather than resolve them all right now)



What is not so visible, is the fact that I now have access to the types called out in the code. I can tell what classes and namespaces are in use. After researching several paths, including looking up black lists of C#, such as CAS, I ultimately will be going with a white list. 

If a type or method is not in the white list, the code will not be executed, and the unsafe code will be highlighted as under risk.  I will also generate a black list myself.  Basically code will go into one of 3 categories; Safe, Unevaluated, Unsafe. 

If all types are considered safe, it will compile.  If any type is unevaluated or unsafe, it will prevent the compiling of the code, and highlight the member(s) in question. If the class/member is marked unsafe, then it will give the reason through a tool tip or another system, as to why you cannot use it.  I.e. the specific security concerns. Finally, if it is unevaluated, then it will explain that we simply haven’t considered the safety risks for using the given code. It will also give the option to flag the code for evaluation in a later release. 

I don’t have the lists built up for this at all, but I will be starting that soon. Before the first playable demos are released to the public. I do plan on hitting the dialog system next, from UI and editor as well. I’m specifically looking at using Unity Graphview for managing the dialogue. But that will be a later post.

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