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Class: Opal::Nodes::ZsuperNode

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

Overview

super with explicit 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

#compiler , #type

Instance Method Summary collapse

Methods inherited from BaseSuperNode

#compile_using_send

Methods inherited from CallNode

add_special

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_nil , #fragment , handle , handlers , #has_rescue_else? , #helper , #in_ensure , #in_ensure? , #in_while? , #process , #push , #recv , #recv? , #s , #scope , #stmt , #stmt? , truthy_optimize? , #unshift , #while_loop , #with_temp , #wrap

Methods included from Helpers

#conditional_send , #current_indent , #empty_line , #indent , #js_falsy , #js_truthy , #js_truthy_optimize , #line , #mid_to_jsid , #property , #valid_name?

Constructor Details

#initializeZsuperNode

Returns a new instance of ZsuperNode

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# File 'opal/lib/opal/nodes/super.rb', line 132
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, '$iter')
 end
end

Instance Method Details

#block_nameObject

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# File 'opal/lib/opal/nodes/super.rb', line 171
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

#compileObject

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# File 'opal/lib/opal/nodes/super.rb', line 144
def compile
 if def_scope
 def_scope.uses_zuper = true
 implicit_args = [s(:js_tmp, '$zuper')]
 # 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

#compile_argumentsObject

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# File 'opal/lib/opal/nodes/super.rb', line 161
def compile_arguments
 push ', '
 if arglist.children.empty?
 push '[]'
 else
 push expr(arglist)
 end
end

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