Class: Keisan::Functions::While

Inherits:
Keisan::Function show all
Defined in:
lib/keisan/functions/while.rb

Instance Attribute Summary

Attributes inherited from Keisan::Function

#arity, #name

Instance Method Summary collapse

Methods inherited from Keisan::Function

#differentiate

Constructor Details

#initialize ⇒ While

Returns a new instance of While.



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# File 'lib/keisan/functions/while.rb', line 4

def initialize
  super("while", 2)
end

Instance Method Details

#evaluate(ast_function, context = nil) ⇒ Object 



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# File 'lib/keisan/functions/while.rb', line 13

def evaluate(ast_function, context = nil)
  validate_arguments!(ast_function.children.count)
  context ||= Keisan::Context.new
  simplify(ast_function, context)
end

#simplify(ast_function, context = nil) ⇒ Object 



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# File 'lib/keisan/functions/while.rb', line 19

def simplify(ast_function, context = nil)
  validate_arguments!(ast_function.children.count)
  context ||= Context.new
  while_loop(ast_function.children[0], ast_function.children[1], context)
end

#value(ast_function, context = nil) ⇒ Object 



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# File 'lib/keisan/functions/while.rb', line 8

def value(ast_function, context = nil)
  validate_arguments!(ast_function.children.count)
  evaluate(ast_function, context)
end