Class: Sass::Script::UnaryOperation

Inherits:
Object
  • Object
show all
Defined in:
lib/sass/script/unary_operation.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(operand, operator) ⇒ UnaryOperation

Returns a new instance of UnaryOperation.



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# File 'lib/sass/script/unary_operation.rb', line 3

def initialize(operand, operator)
  @operand = operand
  @operator = operator
end

Instance Method Details

#inspect ⇒ Object 



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# File 'lib/sass/script/unary_operation.rb', line 8

def inspect
  "(#{@operator.inspect} #{@operand.inspect})"
end

#perform(environment) ⇒ Object 



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# File 'lib/sass/script/unary_operation.rb', line 12

def perform(environment)
  operator = "unary_#{@operator}"
  literal = @operand.perform(environment)
  literal.send(operator)
rescue NoMethodError => e
  raise e unless e.name.to_s == operator.to_s
  raise Sass::SyntaxError.new("Undefined unary operation: \"#{@operator} #{literal}\".")
end