Module: IRT::Session

Extended by:
Session
Included in:
Session
Defined in:
lib/irt/session.rb

Constant Summary collapse

@@exit_all = 
false

Instance Method Summary collapse

Instance Method Details

#enter(mode, obj = nil) ⇒ Object 



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# File 'lib/irt/session.rb', line 13

def enter(mode, obj=nil)
  IRT.log.print if IRT.tail_on_irt
  ws = obj ? IRB::WorkSpace.new(obj) : IRB.CurrentContext.workspace
  new_irb = IRB::Irb.new(ws)
  IRT.session_no += 1
  main_name = mode == :inspect ?
                IRB.CurrentContext.current_line.match(/^\s*(?:irb|irt|irt_inspect)\s+(.*)$/).captures[0].strip :
                new_irb.context.workspace.main.to_s
  main_name = main_name[0..30] + '...' if main_name.size > 30
  new_irb.context.irb_name = "irt##{IRT.session_no}(#{main_name})"
  new_irb.context.irb_path = "(irt##{IRT.session_no})"
  set_binding_file_pointers(new_irb.context) if mode == :binding
  eval_input(new_irb.context, mode)
end

#eval_input(new_context, mode) ⇒ Object 



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# File 'lib/irt/session.rb', line 28

def eval_input(new_context, mode)
  new_context.parent_context = IRB.CurrentContext
  new_context.set_last_value( IRB.CurrentContext.last_value ) unless (mode == :inspect || mode == :binding)
  new_context.irt_mode = mode
  new_context.backtrace_map = IRB.CurrentContext.backtrace_map if mode == :interactive
  IRB.conf[:MAIN_CONTEXT] = new_context
  IRT.log.add_hunk
  IRT.log.status << [new_context.irb_name, mode]
  IRT.log.print_status unless mode == :file
  old_trap = trap('SIGINT'){new_context.irb.signal_handle}
  catch(:IRB_EXIT) { new_context.irb.eval_input }
  begin throw(:IRB_EXIT) ; rescue Exception ; end if @@exit_all
ensure
  IRT::Session.exit unless @@exit_all
  trap 'SIGINT', old_trap if old_trap
end

#exit ⇒ Object 



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# File 'lib/irt/session.rb', line 45

def exit
  exiting_context = IRB.conf[:MAIN_CONTEXT]
  resuming_context = exiting_context.parent_context
  return unless resuming_context
  exiting_mode = exiting_context.irt_mode
  resuming_context.set_last_value( exiting_context.last_value ) \
    unless (exiting_mode == :inspect || exiting_mode == :binding)
  IRB.conf[:MAIN_CONTEXT] = resuming_context
  IRT.log.pop_status
  IRT.log.print_status unless resuming_context.irt_mode == :file
  IRT.log.add_hunk
end

#exit_all=(bool) ⇒ Object 



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# File 'lib/irt/session.rb', line 9

def exit_all=(bool)
  @@exit_all = bool
end

#exit_all? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/irt/session.rb', line 6

def exit_all?
  @@exit_all
end

#run_file(file_path = IRT.irt_file) ⇒ Object 



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# File 'lib/irt/session.rb', line 58

def run_file(file_path=IRT.irt_file)
  raise Errno::ENOENT, "No such file or directory - #{file_path}" unless File.exist?(file_path)
  openfile = proc do
    @@exit_all = false
    IRB.conf[:AT_EXIT].pop
    IRT.init_file(file_path)
    irb = IRB::Irb.new(nil, IRT.irt_file.to_s)
    irb.context.irt_mode = :file
    irb.context.irb_path = IRT.irt_file.to_s
    irb.context.irb_name = IRT.irt_file.basename
    IRB.conf[:MAIN_CONTEXT] = irb.context
    begin
      catch(:IRB_EXIT) { irb.eval_input }
    ensure
      IRB.irb_at_exit
    end
  end
  IRB.conf[:AT_EXIT].push(openfile)
  @@exit_all = true
  throw(:IRB_EXIT)
ensure
  unless IRT.cli?
    IRB.irb_at_exit
    enter :interactive
  end
end