class MethodTracer::Tracer
Public Class Methods
new(path:, name: nil)
click to toggle source
# File lib/method_tracer/tracer.rb, line 5 def initialize(path:, name: nil) @target_path = path @target_name = name end
Public Instance Methods
enable()
click to toggle source
# File lib/method_tracer/tracer.rb, line 10 def enable @tracer = TracePoint.trace(:call) do |tp| record_call_if_interesting(tp) end end
method_is_defined_in_target_path(candidate_class, method_id)
click to toggle source
# File lib/method_tracer/tracer.rb, line 55 def method_is_defined_in_target_path(candidate_class, method_id) begin location = Where.is(candidate_class, method_id) rescue NameError return false end location[:file].start_with?(@target_path) end
method_is_interesting?(candidate_class, method_id)
click to toggle source
# File lib/method_tracer/tracer.rb, line 40 def method_is_interesting?(candidate_class, method_id) candidate_name = if candidate_class.instance_of?(Class) candidate_class.name else candidate_class.class.name end # short circuit if possible for speed return false if !@target_name.nil? && !candidate_name.nil? && !candidate_name.include?(@target_name) method_is_defined_in_target_path(candidate_class, method_id) end
outfile()
click to toggle source
# File lib/method_tracer/tracer.rb, line 27 def outfile @outfile ||= begin output_file = Config.output_file if output_file.instance_of?(IO) || output_file.instance_of?(StringIO) output_file elsif output_file.instance_of?(String) File.open(output_file, 'a') else raise "Unhandled output_file type: #{output_file}" end end end
record_call_if_interesting(tp)
click to toggle source
# File lib/method_tracer/tracer.rb, line 16 def record_call_if_interesting(tp) return unless method_is_interesting?(tp.defined_class, tp.method_id) locations = caller_locations.select { |loc| loc.path.start_with?(Config.app_path) } return if locations.empty? outfile.write "#{tp.defined_class} :#{tp.method_id} " outfile.write locations.map { |loc| "#{loc.path}:#{loc.lineno}" }.join('; ') outfile.write "\n" end