Class: Opal::Nodes::BaseSuperNode

Inherits:

Base

Object
Base
Opal::Nodes::BaseSuperNode

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 , Helpers::PROTO_SPECIAL_METHODS , Helpers::PROTO_SPECIAL_PROPS

Instance Attribute Summary

Attributes inherited from Base

#compiler , #type

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? , truthy_optimize? , #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

#args ⇒ `Object`

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# File 'opal/lib/opal/nodes/super.rb', line 42
def args
 arglist || s(:arglist)
end

#compile_dispatcher ⇒ `Object`

# 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