vendor/rails/activesupport/lib/active_support/core_ext/exception.rb

   1 module ActiveSupport
   2   if RUBY_VERSION >= '1.9'
   3     FrozenObjectError = RuntimeError
   4   else
   5     FrozenObjectError = TypeError
   6   end
   7 end
   8
   9 # TODO: Turn all this into using the BacktraceCleaner.
  10 class Exception # :nodoc:
  11   def clean_message
  12     Pathname.clean_within message
  13   end
  14
  15   TraceSubstitutions = []
  16   FrameworkStart = /action_controller\/dispatcher\.rb/.freeze
  17   FrameworkRegexp = /generated|vendor|dispatch|ruby|script\/\w+/.freeze
  18
  19   def clean_backtrace
  20     backtrace.collect do |line|
  21       Pathname.clean_within(TraceSubstitutions.inject(line) do |result, (regexp, sub)|
  22         result.gsub regexp, sub
  23       end)
  24     end
  25   end
  26
  27   def application_backtrace
  28     before_framework_frame = nil
  29     before_application_frame = true
  30
  31     trace = clean_backtrace.reject do |line|
  32       before_framework_frame ||= (line =~ FrameworkStart)
  33       non_app_frame = (line =~ FrameworkRegexp)
  34       before_application_frame = false unless non_app_frame
  35       before_framework_frame || (non_app_frame && !before_application_frame)
  36     end
  37
  38     # If we didn't find any application frames, return an empty app trace.
  39     before_application_frame ? [] : trace
  40   end
  41
  42   def framework_backtrace
  43     clean_backtrace.grep FrameworkRegexp
  44   end
  45 end