class Opal::Nodes::BackRefNode
back_ref can be: $‘ $’ $& $+ (currently unsupported)
Public Instance Methods
compile()
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Calls superclass method
Opal::Nodes::GlobalVariableNode#compile
# File lib/opal/nodes/variables.rb, line 121 def compile helper :gvars case var_name when '&' handle_global_match when "'" handle_post_match when '`' handle_pre_match when '+' super else raise NotImplementedError end end
handle_global_match()
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# File lib/opal/nodes/variables.rb, line 138 def handle_global_match with_temp do |tmp| push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}['$[]'](0))" end end
handle_post_match()
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# File lib/opal/nodes/variables.rb, line 150 def handle_post_match with_temp do |tmp| push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}.$post_match())" end end
handle_pre_match()
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# File lib/opal/nodes/variables.rb, line 144 def handle_pre_match with_temp do |tmp| push "((#{tmp} = $gvars['~']) === nil ? nil : #{tmp}.$pre_match())" end end