Class: Code::Parser::Power

Inherits:
Language show all
Defined in:
lib/code/parser/power.rb

Instance Method Summary collapse

Methods inherited from Language

<<, >>, absent, aka, #any, ignore, #inspect, maybe, parse, #parse, repeat, #str, then, #to_s, |

Instance Method Details

#asterisk ⇒ Object 



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# File 'lib/code/parser/power.rb', line 20

def asterisk
  str("*")
end

#operator ⇒ Object 



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# File 'lib/code/parser/power.rb', line 24

def operator
  asterisk << asterisk
end

#power ⇒ Object 



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# File 'lib/code/parser/power.rb', line 4

def power
  ::Code::Parser::Power
end

#root ⇒ Object 



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# File 'lib/code/parser/power.rb', line 28

def root
  (
    statement.aka(:left) <<
      (
        whitespace? << operator.aka(:operator) << whitespace? <<
          power.aka(:right)
      ).maybe
  )
    .aka(:power)
    .then do |output|
      output[:power][:right] ? output : output[:power][:left]
    end
end

#statement ⇒ Object 



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# File 'lib/code/parser/power.rb', line 8

def statement
  ::Code::Parser::Negation
end

#whitespace ⇒ Object 



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# File 'lib/code/parser/power.rb', line 12

def whitespace
  ::Code::Parser::Whitespace
end

#whitespace? ⇒ Boolean

Returns:



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# File 'lib/code/parser/power.rb', line 16

def whitespace?
  whitespace.maybe
end