Class: VirtualKeywords::NotRewriter

Inherits:
SexpProcessor
  • Object
show all
Defined in:
lib/virtual_keywords/keyword_rewriter.rb

Overview

SexpProcessor subclass that rewrites “not” expressions.

Instance Method Summary collapse

Constructor Details

#initialize ⇒ NotRewriter

Returns a new instance of NotRewriter.



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# File 'lib/virtual_keywords/keyword_rewriter.rb', line 119

def initialize
  super
  self.strict = false
end

Instance Method Details

#rewrite_not(expression) ⇒ Object

Rewrite “not” expressions (automatically called by SexpProcessor#process)

Arguments:

expression: (Sexp) the :not sexp to rewrite.

Returns:

(Sexp): a sexp that instead calls REWRITTEN_KEYWORDS.call_not



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# File 'lib/virtual_keywords/keyword_rewriter.rb', line 131

def rewrite_not(expression)
  value = expression[1]

  s(:call,
    s(:colon2,
      s(:const, :VirtualKeywords),
      :REWRITTEN_KEYWORDS
    ), :call_not,
    s(:array,
      s(:self),
      s(:iter, s(:fcall, :lambda), nil, value)
    )
  )
end