Kernel

    # File lib/active_support/core_ext/kernel/debugger.rb, line 11
11:   def breakpoint
12:     message = "\n***** The 'breakpoint' command has been renamed 'debugger' -- please change *****\n"
13:     defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message)
14:     debugger
15:   end

    # File lib/active_support/core_ext/kernel/singleton_class.rb, line 10
10:   def class_eval(*args, &block)
11:     singleton_class.class_eval(*args, &block)
12:   end

   # File lib/active_support/core_ext/kernel/debugger.rb, line 4
4:     def debugger
5:       message = "\n***** Debugger requested, but was not available (ensure ruby-debug is listed in Gemfile/installed as gem): Start server with --debugger to enable *****\n"
6:       defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message)
7:     end

    # File lib/active_support/core_ext/kernel/reporting.rb, line 15
15:   def enable_warnings
16:     with_warnings(true) { yield }
17:   end

    # File lib/active_support/core_ext/kernel/requires.rb, line 6
 6:   def require_library_or_gem(library_name)
 7:     silence_warnings do
 8:       begin
 9:         require library_name
10:       rescue LoadError => cannot_require
11:         # 1. Requiring the module is unsuccessful, maybe it's a gem and nobody required rubygems yet. Try.
12:         begin
13:           require 'rubygems'
14:         rescue LoadError # => rubygems_not_installed
15:           raise cannot_require
16:         end
17:         # 2. Rubygems is installed and loaded. Try to load the library again
18:         begin
19:           require library_name
20:         rescue LoadError # => gem_not_installed
21:           raise cannot_require
22:         end
23:       end
24:     end
25:   end

    # File lib/active_support/core_ext/kernel/reporting.rb, line 39
39:   def silence_stream(stream)
40:     old_stream = stream.dup
41:     stream.reopen(RbConfig::CONFIG['host_os'] =~ /mswin|mingw/ ? 'NUL:' : '/dev/null')
42:     stream.sync = true
43:     yield
44:   ensure
45:     stream.reopen(old_stream)
46:   end

    # File lib/active_support/core_ext/kernel/reporting.rb, line 10
10:   def silence_warnings
11:     with_warnings(nil) { yield }
12:   end

   # File lib/active_support/core_ext/kernel/singleton_class.rb, line 3
3:   def singleton_class
4:     class << self
5:       self
6:     end
7:   end

    # File lib/active_support/core_ext/kernel/reporting.rb, line 56
56:   def suppress(*exception_classes)
57:     begin yield
58:     rescue Exception => e
59:       raise unless exception_classes.any? { |cls| e.kind_of?(cls) }
60:     end
61:   end

    # File lib/active_support/core_ext/kernel/reporting.rb, line 20
20:   def with_warnings(flag)
21:     old_verbose, $VERBOSE = $VERBOSE, flag
22:     yield
23:   ensure
24:     $VERBOSE = old_verbose
25:   end