A Gist generated by ruby-ast-explorer

ruby-ast-explorer.yml

v:1
parser:2.6.3.0
rails:5.2.3
ruby:2.5.5p157

source.rb

# Paste some ruby code here and
# check the generated AST on the right
tips = [
  "Click on any AST node with a '+' to expand it",

  "Hovering over a node highlights the \
   corresponding part in the source code",
]
def print_tips
  tips.each { |key, value| print "Tip #{key}: #{value}" }
end
    

transform.rb

# Your Transform Class should always extend from 
# Parser:: TreeRewriter
class Transform < Parser::TreeRewriter
  def on_lvasgn(node)
    # Reverse the variable names
    replace(node.loc.to_hash[:name], node.children[0].to_s.reverse)
  end

  def on_def(node)
    replace(node.loc.to_hash[:name], node.children[0].to_s.reverse)
  end
end