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Module: IRB::IrbLoader

Relationships & Source Files
Extension / Inclusion / Inheritance Descendants
Included In:
IRB::ExtendCommand::Load, IRB::ExtendCommand::Require, IRB::ExtendCommand::Source
Defined in: lib/irb/ext/loader.rb

Overview

Provides a few commands for loading files within an irb session.

See ExtendCommandBundle for more information.

Instance Method Summary

Instance Method Details

#irb_load(fn, priv = nil)

Loads the given file similarly to Kernel.load

Raises:

  • (LoadError)
[ GitHub ]

  
# File 'lib/irb/ext/loader.rb', line 27

def irb_load(fn, priv = nil)
  path = search_file_from_ruby_path(fn)
  raise LoadError, "No such file to load -- #{fn}" unless path

  load_file(path, priv)
end

#load_file(path, priv = nil)

Loads the given file in the current session's context and evaluates it.

See Irb#suspend_input_method for more information.

[ GitHub ]

  
# File 'lib/irb/ext/loader.rb', line 73

def load_file(path, priv = nil)
  irb.suspend_name(path, File.basename(path)) do

    if priv
      ws = WorkSpace.new(Module.new)
    else
      ws = WorkSpace.new
    end
    irb.suspend_workspace(ws) do
      irb.suspend_input_method(FileInputMethod.new(path)) do
        |back_io|
        irb.signal_status(:IN_LOAD) do
          if back_io.kind_of?(FileInputMethod)
            irb.eval_input
          else
            begin
              irb.eval_input
            rescue LoadAbort
              print "load abort!!\n"
            end
          end
        end
      end
    end
  end
end

#ruby_load

[ GitHub ]

  
# File 'lib/irb/ext/loader.rb', line 23

alias ruby_load load

#ruby_require

[ GitHub ]

  
# File 'lib/irb/ext/loader.rb', line 24

alias ruby_require require

#source_file(path)

Loads a given file in the current session and displays the source lines

See Irb#suspend_input_method for more information.

[ GitHub ]

  
# File 'lib/irb/ext/loader.rb', line 51

def source_file(path)
  irb.suspend_name(path, File.basename(path)) do
    irb.suspend_input_method(FileInputMethod.new(path)) do
      |back_io|
      irb.signal_status(:IN_LOAD) do
        if back_io.kind_of?(FileInputMethod)
          irb.eval_input
        else
          begin
            irb.eval_input
          rescue LoadAbort
            print "load abort!!\n"
          end
        end
      end
    end
  end
end