class Ruby::Prism::NodeFind::RubyVMCallableFind

Finds the AST node for a Method, UnboundMethod, or Proc using the node_id from the instruction sequence.

Public Instance Methods

find (callable)

Find the node for the given callable using the ISeq node_id.

: (Method | UnboundMethod | Proc callable) -> Node?

# File lib/ruby/prism/node_find.rb, line 95
def find(callable)
  return unless (source_location = callable.source_location)
  return unless (result = parse_file(source_location[0]))
  return unless (iseq = RubyVM::InstructionSequence.of(callable))

  header = iseq.to_a[4]
  return unless header[:parser] == :prism

  result.value.find { |node| node.node_id == header[:node_id] }
end