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ruby_modifications.rb
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ruby_modifications.rb
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require "monitor"
class Object
RUBY_ENGINE = "ruby" if not defined? RUBY_ENGINE
def class_self
self.class
end
def synchronization_monitor
@synchronization_monitor ||= Monitor.new
end
def synchronization_condition_variable
@synchronization_condition_variable ||= synchronization_monitor.new_cond
end
def wait
synchronization_condition_variable.wait
end
def notify
synchronization_condition_variable.signal
end
def notify_all
synchronization_condition_variable.broadcast
end
end
module Kernel
def non_verbose
verbose_before = $VERBOSE
begin
$VERBOSE = false
yield
ensure
$VERBOSE = verbose_before
end
end
def is_mri?
RUBY_ENGINE == "ruby"
end
def is_jruby?
RUBY_ENGINE == "jruby"
end
def is_ruby_1_8?
RUBY_VERSION =~ /^1.8/
end
def is_ruby_1_9?
RUBY_VERSION =~ /^1.9/
end
def synchronized(object)
object.synchronization_monitor.synchronize do
yield
end
end
end
if is_ruby_1_8?
class String
def intern
empty? ? :__empty_string__ : to_sym
end
def force_encoding(enc)
self
end
def ord
self[0]
end
def encoding
nil
end
alias_method :string_push_1_8, :<<
def <<(data)
string_push_1_8(data.is_a?(Integer) ? data.chr : data)
end
end
class Encoding
def self.find(name)
nil
end
end
class Symbol
alias_method :symbol_to_s, :to_s
def to_s
self == :__empty_string__ ? "" : symbol_to_s
end
def length
to_s.length
end
def =~(regexp)
to_s =~ regexp
end
end
class Module
alias_method :module_instance_methods, :instance_methods
def instance_methods(include_super = true)
module_instance_methods(include_super).map(&:to_sym)
end
end
class Integer
alias_method :chr_without_encoding, :chr
def chr(enc = nil)
chr_without_encoding
end
end
end
class Module
public :define_method
def class_self
self
end
def included_in
@included_in ||= []
end
undef_method :included
def included(mod)
included_in << mod
end
alias_method :include_orig, :include
def include(mod)
include_orig mod
included_in.each { |incl_mod| incl_mod.include mod }
end
alias_method :cmp_orig, :<=>
def <=>(other)
if other == self
0
elsif Object == self
1
elsif Object == other
-1
else
cmp_orig other
end
end
def const_attr_reader(*names)
names.each do |name|
define_method "attr_#{RJava.lower_name name.to_s}" do
class_module.expand_lazy_constant name
const_get name
end
end
end
def overload_protected
ancestor_list = ancestors
yield
ancestors.each do |ancestor|
next if ancestor_list.include?(ancestor)
ancestor.instance_methods(false).each do |name|
next if not superclass.method_defined?(name)
define_method name, superclass.instance_method(name)
end
end
end
end
class Array
class TypedArray < Array
def is_a?(cls)
(cls.ancestors.include?(TypedArray) && self.class.type.ancestors.include?(cls.type)) || super
end
end
@@typed_classes = {}
def self.typed(type)
@@typed_classes[type.__id__] ||= begin
cls = Class.new(TypedArray)
(class << cls; self; end).define_method(:type) { type }
cls
end
end
def insert_seperators(seperator)
a = []
each do |e|
a << seperator unless a.empty?
a << e
end
a
end
def is_a?(cls)
(self.class == Array && cls.ancestors.include?(TypedArray)) || super
end
end
module Tracing
@@call_level = 0
def self.call_level
@@call_level
end
def self.call_level=(value)
@@call_level = value
end
def self.trace_all(mod, &block)
mod.class_eval do
instance_methods.each do |name|
method = instance_method name
define_method name do |*method_args, &method_block|
bound_method = method.bind self
block.call(name, lambda { bound_method.call(*method_args, &method_block) })
end
end
end
end
def self.trace_call(label)
return_value = nil
start_time = Time.new.to_f
begin
puts(start_time.to_s + " " + (" " * Tracing.call_level) + "Entering: #{label}")
$stdout.flush
Tracing.call_level += 1
return_value = yield
ensure
Tracing.call_level -= 1
end_time = Time.new.to_f
duration = end_time - start_time
puts(end_time.to_s + " " + (" " * Tracing.call_level) + "Leaving: #{label} (#{duration}#{duration > 0.1 ? ' !!!' : ''})")
$stdout.flush
end
return_value
end
def self.trace_calls(mod)
trace_all(mod) { |name, block| trace_call("#{mod}.#{name}", &block) }
end
$tracing = false
def self.trace_new_objects(label = nil, condition = true)
return_value = nil
before = {}
after = {}
if $debug and condition and not $tracing
$tracing = true
GC.start
gc_disabled_before = GC.disable
before = ObjectSpace.count_objects before
start_time = Time.new.to_f
begin
return_value = yield
ensure
end_time = Time.new.to_f
after = ObjectSpace.count_objects after
unless after == before
puts
puts "#{label} (#{start_time} / #{end_time - start_time})" if label
before.each_key do |key|
puts "#{key} #{after[key] - before[key]}"
end
end
GC.enable unless gc_disabled_before
$tracing = false
end
return_value
else
yield
end
end
end