#!/usr/bin/env ruby
require 'rubygems'
require 'optparse'
require "ostruct"
if RUBY_VERSION < "1.9"
  require 'ruby-debug-ide'
else
  require_relative '../lib/ruby-debug-ide'
end

$stdout.sync=true

options = OpenStruct.new(
  'frame_bind'  => false,
  'host'        => nil,
  'load_mode'   => false,
  'port'        => 1234,
  'stop'        => false,
  'tracing'     => false,
  'int_handler' => true,
  'dispatcher_port' => -1,
  'evaluation_timeout' => 10,
  'rm_protocol_extensions' => false
)

opts = OptionParser.new do |opts|
  opts.banner = <<EOB
Using ruby-debug-base #{Debugger::VERSION}
Usage: rdebug-ide is supposed to be called from RDT, NetBeans, RubyMine, or
       the IntelliJ IDEA Ruby plugin.  The command line interface to
       ruby-debug is rdebug.
EOB
  opts.separator ""
  opts.separator "Options:"
  opts.on("-h", "--host HOST", "Host name used for remote debugging") {|host| options.host = host}
  opts.on("-p", "--port PORT", Integer, "Port used for remote debugging") {|port| options.port = port}  
  opts.on("--dispatcher-port PORT", Integer, "Port used for multi-process debugging dispatcher") do |dp| 
    options.dispatcher_port = dp
  end
  opts.on('--evaluation-timeout TIMEOUT', Integer,'evaluation timeout in seconds (default: 10)') do |timeout|
    options.evaluation_timeout = timeout
  end
  opts.on('--stop', 'stop when the script is loaded') {options.stop = true}
  opts.on("-x", "--trace", "turn on line tracing") {options.tracing = true}
  opts.on("-l", "--load-mode", "load mode (experimental)") {options.load_mode = true}
  opts.on("-d", "--debug", "Debug self - prints information for debugging ruby-debug itself") do
    Debugger.cli_debug = true
  end
  opts.on("--xml-debug", "Debug self - sends information <message>s for debugging ruby-debug itself") do
    Debugger.xml_debug = true
  end
  opts.on("-I", "--include PATH", String, "Add PATH to $LOAD_PATH") do |path|
    $LOAD_PATH.unshift(path)
  end
  
  opts.on("--keep-frame-binding", "Keep frame bindings") {options.frame_bind = true}
  opts.on("--disable-int-handler", "Disables interrupt signal handler") {options.int_handler = false}
  opts.on("--rubymine-protocol-extensions", "Enable RubyMine-specific incompatible protocol extensions") do
    options.rm_protocol_extensions = true
  end
  opts.separator ""
  opts.separator "Common options:"
  opts.on_tail("-v", "--version", "Show version") do
    puts "Using ruby-debug-base #{Debugger::VERSION}"
    exit
  end
end

begin
  Debugger::ARGV = ARGV.clone
  rdebug_path = File.expand_path($0)
  if RUBY_PLATFORM =~ /mswin/
    rdebug_path += ".cmd" unless rdebug_path =~ /\.cmd$/i
  end
  Debugger::RDEBUG_SCRIPT = rdebug_path
  opts.parse! ARGV
rescue StandardError => e
  puts opts
  puts
  puts e.message
  exit(1)
end

if ARGV.empty?
  puts opts
  puts
  puts "Must specify a script to run"
  exit(1)
end    

# save script name
Debugger::PROG_SCRIPT = ARGV.shift

if options.dispatcher_port != -1
  ENV['IDE_PROCESS_DISPATCHER'] = options.dispatcher_port.to_s
  if RUBY_VERSION < "1.9"
    $: << File.expand_path(File.dirname(__FILE__) + "/../lib/")
    require 'ruby-debug-ide/multiprocess'
  else
    require_relative '../lib/ruby-debug-ide/multiprocess'
  end

  ENV['DEBUGGER_STORED_RUBYLIB'] = ENV['RUBYLIB'] 
  old_opts = ENV['RUBYOPT']
  ENV['RUBYOPT'] = "-r#{File.expand_path(File.dirname(__FILE__))}/../lib/ruby-debug-ide/multiprocess/starter"
  ENV['RUBYOPT'] += " #{old_opts}" if old_opts
  ENV['DEBUGGER_CLI_DEBUG'] = Debugger.cli_debug.to_s
end

if options.int_handler
  # install interruption handler
  trap('INT') { Debugger.interrupt_last }
end
  
# set options
Debugger.keep_frame_binding = options.frame_bind
Debugger.tracing = options.tracing
Debugger.evaluation_timeout = options.evaluation_timeout
Debugger.rm_protocol_extensions = options.rm_protocol_extensions

Debugger.debug_program(options)