New Code Design

[ackava]

C# Code Generation Design

Pros

1. Fast to implement
2. C# code optimizations
3. Easy to visualize code
4. Better debugging, we can use dotnet debugger directly.
5. We can reuse c# default type checker, literals can be used as it is without creating JavaScript object.
6. Precompilation, JS can be compiled as dll and shipped.
7. We can use embedded source for debugging.

Cons

1. No Tail Call optimizations
2. Generate C# code -> Parse C# Code to generate Assembly.

let a = 3;
return () => a++;

public static JSValue Method(JSContext context, JSValue @this, in Arguments a) {

   var a = 3;

   return new JSFunction((_c, in _args) => a = a.Add(1));
}

Persistent Assembly Generation

Pros

1. Tail call optimizations
2. Smaller storage
3. Faster code generation

Cons

1. Compilated logic
2. Will require rewrite of most of logic
3. Deal with IL generation complications such as block scope etc, you cannot jump in and out of block.

[ackava]

We will go for

Stage 1

JS to C#

Stage 2

JS to dll.