Class: Keisan::AST::ConstantLiteral

Inherits:
Literal show all
Defined in:
lib/keisan/ast/constant_literal.rb

Direct Known Subclasses

Boolean, Date, Null, Number, String, Time

Instance Method Summary collapse

Methods inherited from Node

#coerce, #contains_a?, #deep_dup, #differentiate, #differentiated, #evaluate_assignments, #evaluated, #false?, #replace, #replaced, #simplified, #simplify, #to_cell, #to_node, #traverse, #true?, #unbound_functions, #unbound_variables, #value, #well_defined?

Instance Method Details

#! ⇒ Object

Raises:



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# File 'lib/keisan/ast/constant_literal.rb', line 70

def !
  raise Keisan::Exceptions::InvalidExpression.new("Cannot take logical not of #{self.class}")
end

#%(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 62

def %(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot modulo #{self.class} and #{other.class}")
  else
    super
  end
end

#&(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 94

def &(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot bitwise and #{self.class} and #{other.class}")
  else
    super
  end
end

#*(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 46

def *(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot multiply #{self.class} and #{other.class}")
  else
    super
  end
end

#**(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 86

def **(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot exponentiate #{self.class} and #{other.class}")
  else
    super
  end
end

#+(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 30

def +(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot add #{self.class} to #{other.class}")
  else
    super
  end
end

#+@ ⇒ Object

Raises:



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# File 'lib/keisan/ast/constant_literal.rb', line 78

def +@
  raise Keisan::Exceptions::InvalidExpression.new("Cannot take unary plus of #{self.class}")
end

#-(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 38

def -(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot subtract #{self.class} from #{other.class}")
  else
    super
  end
end

#-@ ⇒ Object

Raises:



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# File 'lib/keisan/ast/constant_literal.rb', line 82

def -@
  raise Keisan::Exceptions::InvalidExpression.new("Cannot take unary minus of #{self.class}")
end

#/(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 54

def /(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot divide #{self.class} and #{other.class}")
  else
    super
  end
end

#<(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 150

def <(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot compute #{self.class} < #{other.class}")
  else
    super
  end
end

#<<(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 118

def <<(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot bitwise left shift #{self.class} and #{other.class}")
  else
    super
  end
end

#<=(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 158

def <=(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot compute #{self.class} <= #{other.class}")
  else
    super
  end
end

#==(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 8

def ==(other)
  case other
  when ConstantLiteral
    value == other.value
  else
    false
  end
end

#>(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 134

def >(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot compute #{self.class} > #{other.class}")
  else
    super
  end
end

#>=(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 142

def >=(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot compute #{self.class} >= #{other.class}")
  else
    super
  end
end

#>>(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 126

def >>(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot bitwise right shift #{self.class} and #{other.class}")
  else
    super
  end
end

#^(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 102

def ^(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot bitwise xor #{self.class} and #{other.class}")
  else
    super
  end
end

#and(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 174

def and(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot logical and #{self.class} and #{other.class}")
  else
    super
  end
end

#equal(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 166

def equal(other)
  other.is_constant? ? Boolean.new(false) : super
end

#evaluate(context = nil) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 4

def evaluate(context = nil)
  self
end

#is_constant? ⇒ Boolean

Returns:



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# File 'lib/keisan/ast/constant_literal.rb', line 26

def is_constant?
  true
end

#not_equal(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 170

def not_equal(other)
  other.is_constant? ? Boolean.new(true) : super
end

#or(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 182

def or(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot logical or #{self.class} and #{other.class}")
  else
    super
  end
end

#to_s ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 17

def to_s
  case value
  when Rational
    "(#{value.to_s})"
  else
    value.to_s
  end
end

#|(other) ⇒ Object 



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# File 'lib/keisan/ast/constant_literal.rb', line 110

def |(other)
  if other.is_constant?
    raise Keisan::Exceptions::InvalidExpression.new("Cannot bitwise or #{self.class} and #{other.class}")
  else
    super
  end
end

#~ ⇒ Object

Raises:



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# File 'lib/keisan/ast/constant_literal.rb', line 74

def ~
  raise Keisan::Exceptions::InvalidExpression.new("Cannot take bitwise not of #{self.class}")
end