require 'byebug/byebug'
require 'byebug/version'
require 'byebug/context'
require 'byebug/breakpoint'
require 'byebug/interface'
require 'byebug/processor'
require 'byebug/setting'
require 'byebug/remote'

require 'stringio'
require 'tracer'
require 'linecache19'

module Byebug
  #
  # List of files byebug will ignore while debugging
  #
  IGNORED_FILES = Dir.glob(File.expand_path('../**/*.rb', __FILE__))

  #
  # Configuration file used for startup commands. Default value is .byebugrc
  #
  INIT_FILE = '.byebugrc' unless defined?(INIT_FILE)

  class << self
    attr_accessor :handler, :debugged_program

    extend Forwardable
    def_delegators :handler, :errmsg, :puts
  end

  Byebug.handler = CommandProcessor.new

  def self.source_reload
    hsh = 'SCRIPT_LINES__'
    Object.send(:remove_const, hsh) if Object.const_defined?(hsh)
    Object.const_set(hsh, {})
  end

  #
  # Byebug's interface is its handler's interface
  #
  def self.interface=(value)
    handler.interface = value
  end

  #
  # Runs normal byebug initialization scripts.
  #
  # Reads and executes the commands from init file (if any) in the current
  # working directory.  This is only done if the current directory is
  # different from your home directory.  Thus, you can have more than one init
  # file, one generic in your home directory, and another, specific to the
  # program you are debugging, in the directory where you invoke byebug.
  #
  def self.run_init_script(out = handler.interface)
    cwd_script  = File.expand_path(File.join('.', INIT_FILE))
    run_script(cwd_script, out, true) if File.exist?(cwd_script)

    home_script = File.expand_path(File.join(ENV['HOME'].to_s, INIT_FILE))
    if File.exist?(home_script) && cwd_script != home_script
      run_script(home_script, out, true)
    end
  end

  #
  # Runs a script file
  #
  def self.run_script(file, out = handler.interface, verbose = false)
    interface = ScriptInterface.new(File.expand_path(file), out)
    processor = ControlCommandProcessor.new(interface)
    processor.process_commands(verbose)
  end
end

#
# Extends the extension class to be able to pass information about the
# debugging environment from the c-extension to the user.
#
class Exception
  attr_reader :__bb_file, :__bb_line, :__bb_binding, :__bb_context
end