Class: Astel::Dispatcher::Traversal

Inherits:

Object

• Object
• Astel::Dispatcher::Traversal

Defined in:

lib/astel/dispatcher.rb

Overview

Each generated visit method pushes children in reverse order so the iterative traversal preserves Prism's pre-order without recursive calls.

Instance Method Summary

• #initialize(callbacks) ⇒ Traversal constructor

  A new instance of Traversal.

• #run(ast) ⇒ Object

Constructor Details

#initialize(callbacks) ⇒ Traversal

Returns a new instance of Traversal.

# File 'lib/astel/dispatcher.rb', line 23

def initialize(callbacks)
  @callbacks = callbacks
  @stack = []
end

Instance Method Details

#run(ast) ⇒ Object

# File 'lib/astel/dispatcher.rb', line 28

def run(ast)
  @stack << ast
  @stack.pop.accept(self) until @stack.empty?
end