Acorn.Walk

Acorn.Walk

A C# port of acorn-walk, the syntax-tree walker for ESTree trees produced by the Acorn parser. Targets .NET 10.

using Acorn;
using Acorn.Walk;

Node ast = Parser.ParseStatic("f(1); g(2);", new Options { EcmaVersion = 2020 });

AstWalker.Simple(ast, new Dictionary<string, Action<Node, object?>>
{
    ["CallExpression"] = (node, state) =>
        Console.WriteLine("call at " + node.Start)
});

Provides AstWalker.Simple, Ancestor, Recursive, Full, FullAncestor, FindNodeAt, FindNodeAround, FindNodeAfter, FindNodeBefore, Make, and the BaseVisitor table.

MIT licensed, like upstream Acorn.