Exception: Exception

Defined in:
lib/active_support/dependencies.rb,
lib/active_support/core_ext/exception.rb

Overview

:nodoc:

Direct Known Subclasses

NameError

Constant Summary collapse

TraceSubstitutions =
[]
FrameworkRegexp =
/generated|vendor|dispatch|ruby|script\/\w+/

Instance Method Summary collapse

Instance Method Details

#application_backtraceObject


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# File 'lib/active_support/core_ext/exception.rb', line 25

def application_backtrace
  before_application_frame = true
  
  trace = clean_backtrace.reject do |line|
    non_app_frame = (line =~ FrameworkRegexp)
    before_application_frame = false unless non_app_frame
    non_app_frame && ! before_application_frame
  end
  
  # If we didn't find any application frames, return an empty app trace.
  before_application_frame ? [] : trace
end

#blame_file!(file) ⇒ Object


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# File 'lib/active_support/dependencies.rb', line 535

def blame_file!(file)
  (@blamed_files ||= []).unshift file
end

#blamed_filesObject


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# File 'lib/active_support/dependencies.rb', line 539

def blamed_files
  @blamed_files ||= []
end

#clean_backtraceObject


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# File 'lib/active_support/core_ext/exception.rb', line 17

def clean_backtrace
  backtrace.collect do |line|
    Pathname.clean_within(TraceSubstitutions.inject(line) do |result, (regexp, sub)|
      result.gsub regexp, sub
    end)
  end
end

#clean_messageObject


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# File 'lib/active_support/core_ext/exception.rb', line 10

def clean_message
  Pathname.clean_within message
end

#copy_blame!(exc) ⇒ Object


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# File 'lib/active_support/dependencies.rb', line 548

def copy_blame!(exc)
  @blamed_files = exc.blamed_files.clone
  self
end

#describe_blameObject


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# File 'lib/active_support/dependencies.rb', line 543

def describe_blame
  return nil if blamed_files.empty?
  "This error occurred while loading the following files:\n   #{blamed_files.join "\n   "}"
end

#framework_backtraceObject


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# File 'lib/active_support/core_ext/exception.rb', line 38

def framework_backtrace
  clean_backtrace.grep FrameworkRegexp
end