Contents

# -*- Ruby -*-
# Copyright (C) 2010 Rocky Bernstein <[e-mail]>
# We use this as the default startup file for irb inside trepan
# Down the line we will have a way for folks to add/override this
# with their own file.
IRB.conf[:PROMPT_MODE] = :SIMPLE
IRB.conf[:PROMPT][:SIMPLE] = 
    {:PROMPT_C=>"trepan ?> ",
     :PROMPT_I=>"trepan >> ",
     :PROMPT_N=>"trepan >> ",
     :PROMPT_S=>nil,
     :RETURN=>"=> %s\n"}

# Using dbgr to issue a debugger statement inside irb:
#  dbgr %w(info program)
#  dbgr 'info program'  # also works
# But...
#  dbgr info program    # wrong!
# 
puts "You are in a trepan session. You should have access to program scope."
puts "'dbgr', 'step', 'ne', 'q', 'cont' commands have been added."

if defined?($trepan) && $trepan
   puts 'You should have access to debugger state via global variable $trepan'
end
if defined?($trepan_frame) && $trepan_frame
   puts 'You should have access to the program frame via global variable $trepan_frame'
end
if defined?($trepan_cmdproc) && $trepan_cmdproc
   puts 'You should have access to the command processor via global variable $trepan_cmdproc'
end

# Monkeypatch to save the current IRB statement to be run and make the instruction sequence
# "filename" unique. Possibly not needed.
class IRB::Context
  def evaluate(line, line_no)
    $trepan_irb_statements = line
    @line_no = line_no
    @eval_counter ||= 0
    container = 
      if irb_path =~ /\((.+)\)/
        # Note we originally had a colon below. This causes IRB to think
        # tracebacks are IRB bugs since the regexp matching it uses here
        # is now messed up. (irb:5): in ... vs (irb): in ...
        "(#{$1}[#{@eval_counter}])" 
      else
        irb_path
      end
    set_last_value(@workspace.evaluate(self, line, container, line_no))
#    @workspace.evaluate("_ = IRB.conf[:MAIN_CONTEXT]._")
#    @_ = @workspace.evaluate(line, irb_path, line_no)
    @eval_counter += 1
  end
end

Version data entries

1 entries across 1 versions & 1 rubygems

Version	Path
trepanning-0.0.6	data/irbrc