Class: Jscon::Repl

Inherits:
Object
  • Object
show all
Includes:
EasyRepl::Repl
Defined in:
lib/jscon/repl.rb

Defined Under Namespace

Classes: NoServer

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ Repl

Returns a new instance of Repl.



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# File 'lib/jscon/repl.rb', line 8

def initialize(options)
  @options = options
  @asset_server = NoServer
  commands << Jscon::Commands::MultiLine
end

Instance Method Details

#after_input ⇒ Object 



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# File 'lib/jscon/repl.rb', line 50

def after_input
  @asset_server.close
  @asset_server = NoServer
end

#before_input ⇒ Object 



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# File 'lib/jscon/repl.rb', line 25

def before_input
  @asset_server = Jscon::AssetServer.start if @asset_server == NoServer
end

#compile(input) ⇒ Object 



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# File 'lib/jscon/repl.rb', line 38

def compile(input)
  input = input.gsub('\n', ?\n)
  begin
    input = CoffeeScript.compile(input, bare: true) if @options.coffee?
  rescue ExecJS::RuntimeError => runtime_error
    repl_write runtime_error.message
    throw :skip_process_input
  end
  repl_write input if @options.showjs?
  return input
end

#process_input(input) ⇒ Object 



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# File 'lib/jscon/repl.rb', line 29

def process_input(input)
  File.open(@pipe_in, "w+") do |pipe|
    input = compile(input)
    pipe.write(input)
    pipe.flush
  end
  repl_write IO.read(@pipe_out)
end

#repl_write(value) ⇒ Object 



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# File 'lib/jscon/repl.rb', line 14

def repl_write(value); puts value; end

#setup ⇒ Object 



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# File 'lib/jscon/repl.rb', line 16

def setup
  @pipe_in, @pipe_out = Jscon::Pipes.create_set("js_repl")
  repl_write "loading"
  @asset_server = Jscon::AssetServer.start
  phantom_options = ""
  phantom_options = "application" if @asset_server.is_started?
  @phantom_pid = Jscon::Phantom.run_exec(Jscon::Dir.path, phantom_options)
end

#teardown ⇒ Object 



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# File 'lib/jscon/repl.rb', line 55

def teardown
  Process.kill(term=15, @phantom_pid)
end