Class: Dentaku::AST::Modulo

Inherits:
Arithmetic show all
Defined in:
lib/dentaku/ast/arithmetic.rb

Constant Summary

Constants inherited from Arithmetic

Arithmetic::DECIMAL, Arithmetic::INTEGER

Instance Attribute Summary

Attributes inherited from Operation

#left, #right

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Arithmetic

#type

Methods inherited from Operation

#accept, #dependencies, #display_operator, #initialize, max_param_count, min_param_count, #operator_spacing, right_associative?

Methods inherited from Node

#dependencies, #name, #type

Constructor Details

This class inherits a constructor from Dentaku::AST::Operation

Class Method Details

.arity ⇒ Object 



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# File 'lib/dentaku/ast/arithmetic.rb', line 168

def self.arity
  2
end

.precedence ⇒ Object 



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# File 'lib/dentaku/ast/arithmetic.rb', line 172

def self.precedence
  20
end

.resolve_class(next_token) ⇒ Object 



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# File 'lib/dentaku/ast/arithmetic.rb', line 176

def self.resolve_class(next_token)
  next_token.nil? || next_token.operator? || next_token.close? ? Percentage : self
end

Instance Method Details

#operator ⇒ Object 



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# File 'lib/dentaku/ast/arithmetic.rb', line 180

def operator
  :%
end

#value(context = {}) ⇒ Object

Raises:



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# File 'lib/dentaku/ast/arithmetic.rb', line 184

def value(context = {})
  r = decimal(cast(right.value(context)))
  raise Dentaku::ZeroDivisionError if r.zero?

  cast(cast(left.value(context)) % r)
end