Access engine's let and const global variables

[huantianad]

Is there a way to get variables declared with let and const in the global namespace? Example:

using Jint;

var engine = new Engine();

var baseVariableNames = engine.Realm.GlobalObject.GetOwnPropertyKeys();

engine.Execute("var a = 1");
engine.Execute("let b = 2");
engine.Execute("const c = 3");

var variableNames = engine.Realm.GlobalObject.GetOwnPropertyKeys();

Console.WriteLine(string.Join(
    "\n",
    variableNames
        .Where(varName => !baseVariableNames.Contains(varName))
        .Select(rawName => rawName.AsString())
        .Select(name => $"{name} = {engine.GetValue(name)}")
));
// Prints:
// a = 1

// Would like:
// a = 1
// b = 2
// c = 3 (maybe a note that it's const??)

[lahma]

There's no way to get lexically scoped variables as they are transient in nature (scoped to lexical context). You probably need to analyze scripts with AstVisitor or such. There's also a debugger that can tell what can be seen on the current stack frame.

[huantianad]

That's what I was afraid of. I don't know if I'll be able to do static analysis on the script itself. I'll look into the debugger and see what's going on over there tho!