class Churn::LocationMapping

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 NOTE: showing more line number issues with Ruby 2.6

Attributes

klasses_collection[R]
methods_collection[R]

Public Class Methods

new() click to toggle source
Calls superclass method
# File lib/churn/location_mapping.rb, line 14
def initialize()
  super
  @klasses_collection  = {}
  @methods_collection  = {}
  @parser              = RubyParser.new
  self.auto_shift_type = true
  self.require_empty = false
end

Public Instance Methods

analyze_list(exp) click to toggle source
# File lib/churn/location_mapping.rb, line 47
def analyze_list exp
  process exp.shift until exp.empty?
  exp
end
deep_last_line(exp) click to toggle source
# File lib/churn/location_mapping.rb, line 41
def deep_last_line(exp)
  lines = []
  exp.deep_each{|x| lines << x.line; }
  lines.max + 1
end
get_info(file) click to toggle source
# File lib/churn/location_mapping.rb, line 23
def get_info(file)
  ast = @parser.process(File.read(file).chomp, file)
  process ast
end
process_class(exp) click to toggle source
# File lib/churn/location_mapping.rb, line 28
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
process_defn(exp) click to toggle source
# File lib/churn/location_mapping.rb, line 52
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