Merge remote-tracking branch 'origin/feature/lexer_performance' into …

…feature/pure_ruby_lexer

Guardfile

@@ -3,3 +3,11 @@ guard 'rspec', :version => 2, :cli => '--format documentation' do
   watch(%r{^lib/(.+)\.rb$})     { |m| "spec/#{m[1]}_spec.rb" }
   watch('spec/spec_helper.rb')  { "spec/" }
 end
+
+guard 'shell' do
+  watch("lib/ruby_ami/lexer.rb") { `rake features benchmark` }
+end
+
+guard 'shell' do
+  watch(/benchmarks\/*/) { `rake benchmark` }
+end

Rakefile

@@ -18,6 +18,21 @@ Cucumber::Rake::Task.new(:wip) do |t|
 end
 
 task :default => [:spec, :features]
+require 'timeout'
+desc "Run benchmarks"
+task :benchmark do
+  begin
+    Timeout.timeout(120) do
+      glob = File.expand_path("../benchmarks/*.rb", __FILE__)
+      Dir[glob].each { |benchmark| load benchmark }
+    end
+  rescue Exception, Timeout::Error => ex
+    puts "ERROR: Couldn't complete benchmark: #{ex.class}: #{ex}"
+    puts "  #{ex.backtrace.join("\n  ")}"
+
+    exit 1 unless ENV['CI'] # Hax for running benchmarks on Travis
+  end
+end
 
 require 'yard'
 YARD::Rake::YardocTask.new

benchmarks/lexer.rb

@@ -0,0 +1,47 @@
+#!/usr/bin/env ruby
+
+require 'rubygems'
+require 'bundler/setup'
+require 'ruby_ami'
+require 'benchmark/ips'
+
+class LexerHost
+  def initialize
+    @lexer = RubyAMI::Lexer.new self
+  end
+
+  def receive_data(data)
+    @lexer << data
+  end
+
+  def message_received(message)
+  end
+
+  def error_received(error)
+  end
+
+  def syntax_error_encountered(ignored_chunk)
+  end
+end
+
+lexer_host = LexerHost.new
+
+event = <<-EVENT
+Event: Dial
+SubEvent: <value>
+Channel: <value>
+Destination: <value>
+CallerIDNum: <value>
+CallerIDName: <value>
+ConnectedLineNum: <value>
+ConnectedLineName: <value>
+UniqueID: <value>
+DestUniqueID: <value>
+Dialstring: <value>
+
+EVENT
+event.gsub!("\n", "\r\n")
+
+Benchmark.ips do |ips|
+  ips.report("event lexing") { lexer_host.receive_data event }
+end

ruby_ami.gemspec

@@ -28,4 +28,5 @@ Gem::Specification.new do |s|
   s.add_development_dependency %q<guard-rspec>
   s.add_development_dependency %q<guard-shell>
   s.add_development_dependency %q<ruby_gntp>
+  s.add_development_dependency %q<benchmark_suite>
 end