Module: Debrew Private

Extended by:
Mutex_m, Predicable
Defined in:
Library/Homebrew/debrew.rb

Overview

This module is part of a private API. You should avoid using this module if possible, as it may be removed or be changed in the future.

Helper module for debugging formulae.

Defined Under Namespace

Modules: Formula, Raise Classes: Menu

Constant Summary collapse

Ignorable =

This constant is part of a private API. You should avoid using this constant if possible, as it may be removed or be changed in the future. 

Module.new.freeze

Class Attribute Summary collapse

Class Method Summary collapse

Methods included from Predicable

attr_predicate

Class Attribute Details

.debugged_exceptions ⇒ Object (readonly)

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/debrew.rb', line 93

def debugged_exceptions
  @debugged_exceptions
end

Class Method Details

.debrew ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/debrew.rb', line 96

def self.debrew
  @active = true
  Object.include Raise

  begin
    yield
  rescue SystemExit
    original_raise
  rescue Exception => e # rubocop:disable Lint/RescueException
    debug(e)
  ensure
    @active = false
  end
end

.debug(e) ⇒ Object

This method is part of a private API. You should avoid using this method if possible, as it may be removed or be changed in the future. 


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# File 'Library/Homebrew/debrew.rb', line 111

def self.debug(e)
  original_raise(e) unless active? &&
                           debugged_exceptions.add?(e) &&
                           try_lock

  begin
    puts e.backtrace.first.to_s
    puts Formatter.error(e, label: e.class.name)

    loop do
      Menu.choose do |menu|
        menu.prompt = "Choose an action: "

        menu.choice(:raise) { original_raise(e) }
        menu.choice(:ignore) { return :ignore } if e.is_a?(Ignorable)
        menu.choice(:backtrace) { puts e.backtrace }

        if e.is_a?(Ignorable)
          menu.choice(:irb) do
            puts "When you exit this IRB session, execution will continue."
            set_trace_func proc { |event, _, _, id, binding, klass|
              if klass == Raise && id == :raise && event == "return"
                set_trace_func(nil)
                synchronize { IRB.start_within(binding) }
              end
            }

            return :ignore
          end
        end

        menu.choice(:shell) do
          puts "When you exit this shell, you will return to the menu."
          interactive_shell
        end
      end
    end
  ensure
    unlock
  end
end