class Tracksperanto::ShakeGrammar::Catcher
Will replay funcalls through to methods if such methods exist in the public insntance
Public Instance Methods
push(atom)
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Calls superclass method
# File lib/import/shake_grammar/catcher.rb, line 20 def push(atom) # Send everything but funcalls to parent return super unless atom.is_a?(Array) && atom[0] == :funcall meth_for_shake_func, args = atom[1].downcase, atom[2..-1] if can_handle_meth?(meth_for_shake_func) super([:retval, exec_funcall(meth_for_shake_func, args)]) else # This is a funcall we cannot perform, replace the return result of the funcall # with a token to signify that some unknown function's result would have been here super([:unknown_func]) end end
Private Instance Methods
can_handle_meth?(m)
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# File lib/import/shake_grammar/catcher.rb, line 41 def can_handle_meth?(m) # Ruby 1.9 - match on stringified methname @meths ||= self.class.public_instance_methods(false).map{|mn| mn.to_s } @meths.include?(m.to_s) end
exec_funcall(methname, args)
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# File lib/import/shake_grammar/catcher.rb, line 47 def exec_funcall(methname, args) ruby_args = args.map {|a| unwrap_atom(a) } send(methname, *ruby_args) end
push_comment()
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Suppress comment output
# File lib/import/shake_grammar/catcher.rb, line 38 def push_comment end
unwrap_atom(atom)
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# File lib/import/shake_grammar/catcher.rb, line 52 def unwrap_atom(atom) return atom unless atom.is_a?(Array) kind = atom.shift case kind when :arr atom[0].map{|e| unwrap_atom(e)} when :retval atom.shift when :value_at At.new(atom.shift, unwrap_atom(atom.shift)) else :unknown end end