Class: Opal::Nodes::SuperNode

Inherits:
BaseSuperNode show all
Defined in:
opal/lib/opal/nodes/super.rb

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS, Helpers::PROTO_SPECIAL_METHODS, Helpers::PROTO_SPECIAL_PROPS

Instance Attribute Summary

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from BaseSuperNode

#args, #compile_dispatcher, #iter_sexp

Methods inherited from Base

#add_gvar, #add_ivar, #add_local, #add_temp, children, #children, #compile_to_fragments, #error, #expr, #expr?, #expr_or_nil, #fragment, handle, handlers, #helper, #in_while?, #initialize, #process, #push, #recv, #recv?, #s, #scope, #stmt, #stmt?, #unshift, #while_loop, #with_temp, #wrap

Methods included from Helpers

#current_indent, #empty_line, #indent, #ivar, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_ivar_name?, #valid_name?, #variable

Constructor Details

This class inherits a constructor from Opal::Nodes::Base

Instance Method Details

#compile ⇒ Object 



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# File 'opal/lib/opal/nodes/super.rb', line 67

def compile
  if arglist or iter
    splat = has_splat?
    args = expr(self.args)

    unless splat
      args = [fragment('['), args, fragment(']')]
    end
  else
    if scope.def?
      scope.uses_zuper = true
      args = fragment('$zuper')
    else
      args = fragment('$slice.call(arguments)')
    end
  end

  # compile our call to runtime to get super method
  self.compile_dispatcher

  push ".apply(self, "
  push(*args)
  push ")"
end

#has_splat? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'opal/lib/opal/nodes/super.rb', line 92

def has_splat?
  args.children.any? { |child| child.type == :splat }
end