Class: Code::Parser::Ternary

Inherits:
Language
  • Object
show all
Defined in:
lib/code/parser/ternary.rb

Instance Method Summary collapse

Instance Method Details

#colon ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 26

def colon
  str(":")
end

#question_mark ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 22

def question_mark
  str("?")
end

#root ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 30

def root
  (
    statement.aka(:left) << (
      whitespace? << question_mark << whitespace? <<
        ternary.aka(:middle) <<
        (whitespace? << colon << whitespace? << ternary.aka(:right)).maybe
    ).maybe
  )
    .aka(:ternary)
    .then do |output|
      output[:ternary][:middle] ? output : output[:ternary][:left]
    end
end

#statement ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 6

def statement
  Range
end

#ternary ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 10

def ternary
  Ternary
end

#whitespace ⇒ Object 



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# File 'lib/code/parser/ternary.rb', line 14

def whitespace
  Whitespace
end

#whitespace? ⇒ Boolean

Returns:



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# File 'lib/code/parser/ternary.rb', line 18

def whitespace?
  whitespace.maybe
end