Module: Girb::ExceptionCapture

Defined in:
lib/girb/exception_capture.rb

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.last_exception ⇒ Object (readonly)

Returns the value of attribute last_exception.



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# File 'lib/girb/exception_capture.rb', line 10

def last_exception
  @last_exception
end

.last_exception_binding ⇒ Object (readonly)

Returns the value of attribute last_exception_binding.



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# File 'lib/girb/exception_capture.rb', line 10

def last_exception_binding
  @last_exception_binding
end

Class Method Details

.capture(exception, binding = nil) ⇒ Object 



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# File 'lib/girb/exception_capture.rb', line 12

def capture(exception, binding = nil)
  @last_exception = {
    class: exception.class.name,
    message: exception.message,
    backtrace: exception.backtrace&.first(10),
    time: Time.now
  }
  @last_exception_binding = binding
end

.clear ⇒ Object 



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# File 'lib/girb/exception_capture.rb', line 22

def clear
  @last_exception = nil
  @last_exception_binding = nil
end

.install ⇒ Object 



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# File 'lib/girb/exception_capture.rb', line 27

def install
  return if @trace_point

  @trace_point = TracePoint.new(:raise) do |tp|
    # IRB内部・Ruby内部の例外は除外
    next if tp.path&.include?("irb")
    next if tp.path&.include?("error_highlight")
    next if tp.path&.include?("reline")
    next if tp.path&.include?("readline")
    next if tp.path&.include?("rdoc")
    next if tp.path&.include?("/ri/")
    # forwardableは内部でSyntaxErrorを意図的に発生させてrescueする
    next if tp.path&.include?("forwardable")
    # rubygemsのrequireは最初にLoadErrorを発生させてからgemをアクティベートする
    next if tp.path&.include?("rubygems")
    next if tp.raised_exception.is_a?(SystemExit)
    next if tp.raised_exception.is_a?(Interrupt)
    # ErrorHighlight内部の例外を除外
    next if tp.raised_exception.class.name&.start_with?("ErrorHighlight::")

    capture(tp.raised_exception, tp.binding)
  end
  @trace_point.enable
end

.uninstall ⇒ Object 



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# File 'lib/girb/exception_capture.rb', line 52

def uninstall
  @trace_point&.disable
  @trace_point = nil
end