class Minjs::ECMA262::ExpNegative
Class of the Negative operator expression element.
@see www.ecma-international.org/ecma-262 ECMA262
11.4
Public Class Methods
new(val)
click to toggle source
# File lib/minjs/ecma262/expression.rb, line 1008 def initialize(val) @val = val end
Public Instance Methods
ecma262_typeof()
click to toggle source
return results of ‘typeof’ operator.
@return [Symbol] :number
# File lib/minjs/ecma262/expression.rb, line 1039 def ecma262_typeof :number end
priority()
click to toggle source
@return [Fixnum] expression priority
# File lib/minjs/ecma262/expression.rb, line 1018 def priority PRIORITY_UNARY end
reduce(parent)
click to toggle source
reduce expression if available @param parent [Base] parent element
# File lib/minjs/ecma262/expression.rb, line 1024 def reduce(parent) if @val.kind_of? ECMA262Numeric if @val.integer.match(/^\-/) integer = $' else integer = "-#{@val.integer}" end val = ECMA262Numeric.new(integer, @val.decimal, @val.exp) parent.replace(self, val) end end
sym()
click to toggle source
symbol of expression
# File lib/minjs/ecma262/expression.rb, line 1013 def sym "-" end