Class: Opal::Nodes::BaseSuperNode

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

Overview

This base class is used just to child the find_super_dispatcher method body. This is then used by actual super calls, or a defined?(super) style call.

Direct Known Subclasses

DefinedSuperNode, SuperNode

Constant Summary

Constants included from Helpers

Helpers::BASIC_IDENTIFIER_RULES, Helpers::ES3_RESERVED_WORD_EXCLUSIVE, Helpers::ES51_RESERVED_WORD, Helpers::IMMUTABLE_PROPS

Instance Attribute Summary

Attributes inherited from Base

#compiler, #type

Instance Method Summary collapse

Methods inherited from Base

#add_gvar, #add_ivar, #add_local, #add_temp, children, #children, #compile, #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, #js_falsy, #js_truthy, #js_truthy_optimize, #line, #lvar_to_js, #mid_to_jsid, #property, #valid_name?, #variable

Constructor Details

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

Instance Method Details

#args ⇒ Object 



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# File 'opal/lib/opal/nodes/super.rb', line 42

def args
  arglist || s(:arglist)
end

#compile_dispatcher ⇒ Object 



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# File 'opal/lib/opal/nodes/super.rb', line 11

def compile_dispatcher
  if arglist or iter
    iter = expr(iter_sexp)
  else
    scope.uses_block!
    iter = '$iter'
  end
  if scope.def?
    scope.uses_block!
    scope_name = scope.identify!
    class_name = scope.parent.name ? "$#{scope.parent.name}" : 'self.$$class.$$proto'

    if scope.defs
      push "Opal.find_super_dispatcher(self, '#{scope.mid.to_s}', #{scope_name}, "
      push iter
      push ", #{class_name})"
    else
      push "Opal.find_super_dispatcher(self, '#{scope.mid.to_s}', #{scope_name}, "
      push iter
      push ")"
    end
  elsif scope.iter?
    chain, cur_defn, mid = scope.get_super_chain
    trys = chain.map { |c| "#{c}.$$def" }.join(' || ')

    push "Opal.find_iter_super_dispatcher(self, #{mid}, (#{trys} || #{cur_defn}), null)"
  else
    raise "Cannot call super() from outside a method block"
  end
end

#iter_sexp ⇒ Object 



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# File 'opal/lib/opal/nodes/super.rb', line 46

def iter_sexp
  iter || s(:js_tmp, 'null')
end