Class: Opal::Nodes::ZsuperNode
- Defined in:
- opal/lib/opal/nodes/super.rb
Overview
super with implicit args
Constant Summary
Constants inherited from CallNode
CallNode::OPERATORS, CallNode::SPECIALS
Instance Attribute Summary
Attributes inherited from CallNode
#arglist, #iter, #meth, #recvr
Attributes inherited from Base
Attributes included from Closure::NodeSupport
Instance Method Summary collapse
- #block_name ⇒ Object
- #compile ⇒ Object
- #implicit_arglist ⇒ Object
- #implicit_arguments_param ⇒ Object
-
#initialize ⇒ ZsuperNode
constructor
A new instance of ZsuperNode.
Methods inherited from BaseSuperNode
Methods inherited from CallNode
Methods inherited from Base
#add_gvar, #add_ivar, #add_local, #add_temp, children, #children, #class_variable_owner, #class_variable_owner_nesting_level, #comments, #compile_to_fragments, #error, #expr, #expr?, #expr_or_empty, #expr_or_nil, #fragment, handle, handlers, #has_rescue_else?, #helper, #in_ensure, #in_ensure?, #in_resbody, #in_resbody?, #in_rescue, #in_while?, #process, #push, #recv, #recv?, #s, #scope, #source_location, #stmt, #stmt?, #top_scope, truthy_optimize?, #unshift, #while_loop, #with_temp, #wrap
Methods included from Closure::NodeSupport
#closure_is?, #compile_catcher, #generate_thrower, #generate_thrower_without_catcher, #in_closure, #pop_closure, #push_closure, #select_closure, #thrower
Methods included from Helpers
#current_indent, #empty_line, #indent, #js_truthy, #js_truthy_optimize, #line, #mid_to_jsid, #property, #valid_name?
Constructor Details
#initialize ⇒ ZsuperNode
Returns a new instance of ZsuperNode.
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# File 'opal/lib/opal/nodes/super.rb', line 148 def initialize(*) super # preserve a block if we have one already but otherwise, assume a block is coming from higher # up the chain unless iter.type == :iter # Need to support passing block up even if it's not referenced in this method at all scope.uses_block! @iter = s(:js_tmp, scope.block_name || '$yield') end end |
Instance Method Details
#block_name ⇒ Object
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# File 'opal/lib/opal/nodes/super.rb', line 212 def block_name case def_scope when Opal::Nodes::IterNode def_scope.block_name when Opal::Nodes::DefNode def_scope.block_name else raise "Don't know what to do with super in the scope #{def_scope}" end end |
#compile ⇒ Object
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# File 'opal/lib/opal/nodes/super.rb', line 160 def compile if def_scope implicit_args = implicit_arglist # If the method we're in has a block and we're using a default super call with no args, we need to grab the block # If an iter (block via braces) is provided, that takes precedence if block_name && !iter block_pass = s(:block_pass, s(:lvar, block_name)) implicit_args << block_pass end @arglist = s(:arglist, *implicit_args) end compile_using_send end |
#implicit_arglist ⇒ Object
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# File 'opal/lib/opal/nodes/super.rb', line 176 def implicit_arglist args = [] kwargs = [] same_arg_counter = Hash.new(0) def_scope.original_args.children.each do |sexp| lvar_name = sexp.children[0] case sexp.type when :arg, :optarg arg_node = s(:lvar, lvar_name) # def m(_, _) # is compiled to # function $$m(_, __$2) # See Opal::Node::ArgsNode if lvar_name[0] == '_' same_arg_counter[lvar_name] += 1 arg_node = s(:js_tmp, "#{lvar_name}_$#{same_arg_counter[lvar_name]}") if same_arg_counter[lvar_name] > 1 end args << arg_node when :restarg arg_node = lvar_name ? s(:lvar, lvar_name) : s(:js_tmp, '$rest_arg') args << s(:splat, arg_node) when :kwarg, :kwoptarg key_name = sexp.[:arg_name] kwargs << s(:pair, s(:sym, key_name), s(:lvar, lvar_name)) when :kwrestarg arg_node = lvar_name ? s(:lvar, lvar_name) : s(:js_tmp, '$kw_rest_arg') kwargs << s(:kwsplat, arg_node) end end args << s(:hash, *kwargs) unless kwargs.empty? args end |
#implicit_arguments_param ⇒ Object
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# File 'opal/lib/opal/nodes/super.rb', line 144 def implicit_arguments_param 'true' end |