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Class: Prism::NodeFind::RubyVMCallableFind

Relationships & Source Files
Super Chains via Extension / Inclusion / Inheritance
Class Chain:
self, Find
Instance Chain:
self, Find
Inherits: Prism::NodeFind::Find
Defined in: lib/prism/node_find.rb

Overview

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

Instance Method Summary

Find - Inherited

#parse_file

Parse the given file path, returning a ::Prism::ParseResult or nil.

Instance Method Details

#find(callable)

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

[ GitHub ] 

  


# File 'lib/prism/node_find.rb', line 65



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