Class: Minjs::ECMA262::ExpLShift

Inherits:

Expression

• Object
• Base
• Expression
• Minjs::ECMA262::ExpLShift

Includes:

BinaryOperation

Defined in:

lib/minjs/ecma262/expression.rb

Overview

Class of the Left Shift operator expression element.

See Also:

• ECMA262 11.7

Instance Attribute Summary

Attributes included from BinaryOperation

#val, #val2

Attributes inherited from Base

#parent

Instance Method Summary

• #ecma262_typeof ⇒ Symbol

  return results of ‘typeof’ operator.

• #initialize(val, val2) ⇒ ExpLShift constructor

  A new instance of ExpLShift.

• #priority ⇒ Fixnum

  Expression priority.

• #sym ⇒ Object

  symbol of expression.

Methods included from BinaryOperation

#==, #add_paren, #deep_dup, #remove_paren, #replace, #to_js, #traverse

Methods inherited from Expression

#left_hand_side_exp?, #reduce, #side_effect?

Methods inherited from Base

#==, #add_remove_paren, #concat, #deep_dup, #replace, #to_js, #traverse

Constructor Details

#initialize(val, val2) ⇒ ExpLShift

Returns a new instance of ExpLShift.

# File 'lib/minjs/ecma262/expression.rb', line 1336

def initialize(val, val2)
  @val = val
  @val2 = val2
end

Instance Method Details

#ecma262_typeof ⇒ Symbol

return results of ‘typeof’ operator.

Returns:

• (Symbol) —

  :number

# File 'lib/minjs/ecma262/expression.rb', line 1354

def ecma262_typeof
  :number
end

#priority ⇒ Fixnum

Returns expression priority.

Returns:

• (Fixnum) —

  expression priority

# File 'lib/minjs/ecma262/expression.rb', line 1347

def priority
  PRIORITY_SHIFT
end

#sym ⇒ Object

symbol of expression

# File 'lib/minjs/ecma262/expression.rb', line 1342

def sym
  "<<"
end