Given a ruby file, map the klass and methods to a range of line numbers The klass and method to line numbers mappings, are stored in @klasses_collection and @methods_collection this is based off github.com/seattlerb/ruby_parser which seems to have some known line number bugs perhaps look at and move more to the style of line numbers from metric_fu github.com/metricfu/metric_fu/blob/master/lib/data_structures/line_numbers.rb
# File lib/churn/location_mapping.rb, line 13 def initialize() super @klasses_collection = {} @methods_collection = {} @parser = RubyParser.new self.auto_shift_type = true self.require_empty = false end
# File lib/churn/location_mapping.rb, line 46 def analyze_list exp process exp.shift until exp.empty? exp end
# File lib/churn/location_mapping.rb, line 40 def deep_last_line(exp) lines = [] exp.deep_each{|x| lines << x.line } lines.max + 1 end
# File lib/churn/location_mapping.rb, line 22 def get_info(file) ast = @parser.process(File.read(file), file) process ast end
# File lib/churn/location_mapping.rb, line 27 def process_class(exp) name = exp.shift start_line = exp.line last_line = deep_last_line(exp) name = name if name.is_a?(Symbol) name = name.values.value if name.is_a?(Sexp) #deals with cases like class Test::Unit::TestCase @current_class = name @klasses_collection[name.to_s] = [] unless @klasses_collection.include?(name) @klasses_collection[name.to_s] << (start_line..last_line) analyze_list exp s() end
# File lib/churn/location_mapping.rb, line 51 def process_defn(exp) name = exp.shift start_line = exp.line last_line = deep_last_line(exp) full_name = "#{@current_class}##{name}" @methods_collection[full_name] = [] unless @methods_collection.include?(full_name) @methods_collection[full_name] << (start_line..last_line) return s(:defn, name, process(exp.shift), process(exp.shift)) end