Array
# File lib/merb-action-args/mri_args.rb, line 7 7: def self.translate(*args) 8: sexp = ParseTree.translate(*args) 9: # ParseTree.translate returns [nil] if called on an inherited method, so walk 10: # up the inheritance chain to find the class that the method was defined in 11: unless sexp.first 12: klass = args.first.ancestors.detect do |klass| 13: klass.public_instance_methods(false).include?(args.last.to_s) 14: end 15: sexp = ParseTree.translate(klass, args.last) if klass 16: end 17: sexp = Unifier.new.process(sexp) 18: self.new(sexp) 19: end
# File lib/merb-action-args/mri_args.rb, line 30 30: def arg_nodes 31: self[1..1].inject([]) do |sum,item| 32: sum << [item] unless item.is_a?(Array) 33: sum 34: end 35: end
# File lib/merb-action-args/mri_args.rb, line 21 21: def deep_array_node(type = nil) 22: each do |node| 23: return ParseTreeArray.new(node) if node.is_a?(Array) && (!type || node[0] == type) 24: next unless node.is_a?(Array) 25: return ParseTreeArray.new(node).deep_array_node(type) 26: end 27: nil 28: end
# File lib/merb-action-args/mri_args.rb, line 37 37: def get_args 38: if arg_node = deep_array_node(:args) 39: # method defined with def keyword 40: args = arg_node.arg_nodes 41: default_node = arg_node.deep_array_node(:block) 42: return [args, []] unless default_node 43: else 44: # assuming method defined with Module#define_method 45: return [[],[]] 46: end 47: 48: # if it was defined with def, and we found the default_node, 49: # that should bring us back to regularly scheduled programming.. 50: lasgns = default_node[1..1] 51: lasgns.each do |asgn| 52: args.assoc(asgn[1]) << eval(R2R.new.process(asgn[2])) 53: end 54: [args, (default_node[1..1].map { |asgn| asgn[1] })] 55: end
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