aarongough

framework 'cocoa'

class Application

  def applicationDidFinishLaunching(notification)
    frame = NSRect.new(NSPoint.new(100, 100), NSSize.new(300, 300))
    @main_window = NSWindow.alloc.initWithContentRect( 
      frame, 
      :styleMask => (NSTitledWindowMask | NSClosableWindowMask),
      :backing => NSBackingStoreBuffered,

aarongough

unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable @__instance__ not initialized
unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable @inheritable_attributes not initialized
unknown: warning: instance variable __attached__ not initialized
unknown: warning: instance variable __attached__ not initialized
unknown: warning: instance variable __attached__ not initialized

aarongough

require 'benchmark'

require 'sexpistol'
require 'sxp'

class Lexer 
  def initialize(str)
    @str = str
    @p = 0 
  end

aarongough

require 'benchmark'

require 'sexpistol'
require 'sxp'

class Lexer 
  def initialize(str)
    @str = str
    @p = 0 
  end

aarongough

require 'benchmark'

require 'sexpistol'
require 'sxp'

example_sexp = <<-EOD
((display "This is a test string!")

(define test (lambda () (begin
  (display (== 1 1))

aarongough

def extract_string_literals( string )
  string_literal_pattern = /"([^"\\]|\\.)*"/
  string_replacement_token = "___+++STRING_LITERAL+++___"
  # Find and extract all the string literals
  string_literals = []
  string.gsub(string_literal_pattern) {|x| string_literals << x}
  # Replace all the string literals with our special placeholder token
  string = string.gsub(string_literal_pattern, string_replacement_token)
  # Return the modified string and the array of string literals
  return [string, string_literals]

aarongough

# Benchmark this system's performance from a developer's perspective.
# 
# * Configure and compile Ruby
# * Run the test suite of several medium sized Ruby applications
# * Run the database-heavy test-suite of a Rails application
# * Test the launch times of several common applications

class DeveloperBenchmark

  require 'fileutils'

aarongough

run_lexer("test = -100")
#=> [{:value=>"test", :name=>:identifier}, {:value=>"=", :name=>:assignment_operator}, {:value=>"-100", :name=>:integer_literal}]

aarongough

=begin
%%{

  machine simple_lexer;
  
  integer     = ('+'|'-')?[0-9]+;
  float       = ('+'|'-')?[0-9]+'.'[0-9]+;
  assignment  = '=';
  identifier  = [a-zA-Z][a-zA-Z_]+; 
  

aarongough

%%{

  machine simple_lexer;
  
  integer     = ('+'|'-')?[0-9]+;
  float       = ('+'|'-')?[0-9]+'.'[0-9]+;
  assignment  = '=';
  identifier  = [a-zA-Z][a-zA-Z_]+; 
  
  main := |*