Class: RubyNext::Language::Rewriters::Dir

Inherits:
Base
  • Object
show all
Defined in:
lib/ruby-next/language/rewriters/2.4/dir.rb

Overview

Special rewriter for Ruby <=2.3, which doesn’t support __dir__ in iseq.eval

Constant Summary collapse

SYNTAX_PROBE = 
"defined?(RubyVM::InstructionSequence) && RubyVM::InstructionSequence.compile('raise SyntaxError if __dir__.nil?', 'test.rb').eval"
MIN_SUPPORTED_VERSION = 
Gem::Version.new("2.4.0")

Constants inherited from Abstract

Abstract::NAME

Instance Attribute Summary

Attributes inherited from Base

#locals

Instance Method Summary collapse

Methods inherited from Base

ast?, #initialize, #s

Methods inherited from Abstract

ast?, #initialize, text?, unsupported_syntax?, unsupported_version?

Constructor Details

This class inherits a constructor from RubyNext::Language::Rewriters::Base

Instance Method Details

#on_send(node) ⇒ Object 



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# File 'lib/ruby-next/language/rewriters/2.4/dir.rb', line 11

def on_send(node)
  return super(node) unless node.children[1] == :__dir__

  context.track! self

  replace(node.loc.expression, "File.dirname(__FILE__)")

  process(
    node.updated(
      nil,
      [
        s(:const, nil, :File),
        :dirname,
        s(:send, nil, "__FILE__")
      ]
    )
  )
end