diff options
Diffstat (limited to 'activesupport/lib/active_support')
11 files changed, 131 insertions, 207 deletions
diff --git a/activesupport/lib/active_support/cache.rb b/activesupport/lib/active_support/cache.rb index ff67a6828c..dddd1e136e 100644 --- a/activesupport/lib/active_support/cache.rb +++ b/activesupport/lib/active_support/cache.rb @@ -615,14 +615,12 @@ module ActiveSupport end def value - convert_version_4beta1_entry! if defined?(@v) compressed? ? uncompress(@value) : @value end # Check if the entry is expired. The +expires_in+ parameter can override # the value set when the entry was created. def expired? - convert_version_4beta1_entry! if defined?(@value) @expires_in && @created_at + @expires_in <= Time.now.to_f end @@ -658,8 +656,6 @@ module ActiveSupport # Duplicate the value in a class. This is used by cache implementations that don't natively # serialize entries to protect against accidental cache modifications. def dup_value! - convert_version_4beta1_entry! if defined?(@v) - if @value && !compressed? && !(@value.is_a?(Numeric) || @value == true || @value == false) if @value.is_a?(String) @value = @value.dup @@ -692,26 +688,6 @@ module ActiveSupport def uncompress(value) Marshal.load(Zlib::Inflate.inflate(value)) end - - # The internals of this method changed between Rails 3.x and 4.0. This method provides the glue - # to ensure that cache entries created under the old version still work with the new class definition. - def convert_version_4beta1_entry! - if defined?(@v) - @value = @v - remove_instance_variable(:@v) - end - - if defined?(@c) - @compressed = @c - remove_instance_variable(:@c) - end - - if defined?(@x) && @x - @created_at ||= Time.now.to_f - @expires_in = @x - @created_at - remove_instance_variable(:@x) - end - end end end end diff --git a/activesupport/lib/active_support/callbacks.rb b/activesupport/lib/active_support/callbacks.rb index 95dbc9a0cb..d2911a254c 100644 --- a/activesupport/lib/active_support/callbacks.rb +++ b/activesupport/lib/active_support/callbacks.rb @@ -121,22 +121,22 @@ module ActiveSupport ENDING = End.new class Before - def self.build(next_callback, user_callback, user_conditions, chain_config, filter) + def self.build(callback_sequence, user_callback, user_conditions, chain_config, filter) halted_lambda = chain_config[:terminator] if chain_config.key?(:terminator) && user_conditions.any? - halting_and_conditional(next_callback, user_callback, user_conditions, halted_lambda, filter) + halting_and_conditional(callback_sequence, user_callback, user_conditions, halted_lambda, filter) elsif chain_config.key? :terminator - halting(next_callback, user_callback, halted_lambda, filter) + halting(callback_sequence, user_callback, halted_lambda, filter) elsif user_conditions.any? - conditional(next_callback, user_callback, user_conditions) + conditional(callback_sequence, user_callback, user_conditions) else - simple next_callback, user_callback + simple callback_sequence, user_callback end end - def self.halting_and_conditional(next_callback, user_callback, user_conditions, halted_lambda, filter) - lambda { |env| + def self.halting_and_conditional(callback_sequence, user_callback, user_conditions, halted_lambda, filter) + callback_sequence.before do |env| target = env.target value = env.value halted = env.halted @@ -148,13 +148,14 @@ module ActiveSupport target.send :halted_callback_hook, filter end end - next_callback.call env - } + + env + end end private_class_method :halting_and_conditional - def self.halting(next_callback, user_callback, halted_lambda, filter) - lambda { |env| + def self.halting(callback_sequence, user_callback, halted_lambda, filter) + callback_sequence.before do |env| target = env.target value = env.value halted = env.halted @@ -166,57 +167,59 @@ module ActiveSupport target.send :halted_callback_hook, filter end end - next_callback.call env - } + + env + end end private_class_method :halting - def self.conditional(next_callback, user_callback, user_conditions) - lambda { |env| + def self.conditional(callback_sequence, user_callback, user_conditions) + callback_sequence.before do |env| target = env.target value = env.value if user_conditions.all? { |c| c.call(target, value) } user_callback.call target, value end - next_callback.call env - } + + env + end end private_class_method :conditional - def self.simple(next_callback, user_callback) - lambda { |env| + def self.simple(callback_sequence, user_callback) + callback_sequence.before do |env| user_callback.call env.target, env.value - next_callback.call env - } + + env + end end private_class_method :simple end class After - def self.build(next_callback, user_callback, user_conditions, chain_config) + def self.build(callback_sequence, user_callback, user_conditions, chain_config) if chain_config[:skip_after_callbacks_if_terminated] if chain_config.key?(:terminator) && user_conditions.any? - halting_and_conditional(next_callback, user_callback, user_conditions) + halting_and_conditional(callback_sequence, user_callback, user_conditions) elsif chain_config.key?(:terminator) - halting(next_callback, user_callback) + halting(callback_sequence, user_callback) elsif user_conditions.any? - conditional next_callback, user_callback, user_conditions + conditional callback_sequence, user_callback, user_conditions else - simple next_callback, user_callback + simple callback_sequence, user_callback end else if user_conditions.any? - conditional next_callback, user_callback, user_conditions + conditional callback_sequence, user_callback, user_conditions else - simple next_callback, user_callback + simple callback_sequence, user_callback end end end - def self.halting_and_conditional(next_callback, user_callback, user_conditions) - lambda { |env| - env = next_callback.call env + def self.halting_and_conditional(callback_sequence, user_callback, user_conditions) + callback_sequence.after do |env| target = env.target value = env.value halted = env.halted @@ -224,122 +227,124 @@ module ActiveSupport if !halted && user_conditions.all? { |c| c.call(target, value) } user_callback.call target, value end + env - } + end end private_class_method :halting_and_conditional - def self.halting(next_callback, user_callback) - lambda { |env| - env = next_callback.call env + def self.halting(callback_sequence, user_callback) + callback_sequence.after do |env| unless env.halted user_callback.call env.target, env.value end + env - } + end end private_class_method :halting - def self.conditional(next_callback, user_callback, user_conditions) - lambda { |env| - env = next_callback.call env + def self.conditional(callback_sequence, user_callback, user_conditions) + callback_sequence.after do |env| target = env.target value = env.value if user_conditions.all? { |c| c.call(target, value) } user_callback.call target, value end + env - } + end end private_class_method :conditional - def self.simple(next_callback, user_callback) - lambda { |env| - env = next_callback.call env + def self.simple(callback_sequence, user_callback) + callback_sequence.after do |env| user_callback.call env.target, env.value + env - } + end end private_class_method :simple end class Around - def self.build(next_callback, user_callback, user_conditions, chain_config) + def self.build(callback_sequence, user_callback, user_conditions, chain_config) if chain_config.key?(:terminator) && user_conditions.any? - halting_and_conditional(next_callback, user_callback, user_conditions) + halting_and_conditional(callback_sequence, user_callback, user_conditions) elsif chain_config.key? :terminator - halting(next_callback, user_callback) + halting(callback_sequence, user_callback) elsif user_conditions.any? - conditional(next_callback, user_callback, user_conditions) + conditional(callback_sequence, user_callback, user_conditions) else - simple(next_callback, user_callback) + simple(callback_sequence, user_callback) end end - def self.halting_and_conditional(next_callback, user_callback, user_conditions) - lambda { |env| + def self.halting_and_conditional(callback_sequence, user_callback, user_conditions) + callback_sequence.around do |env, &run| target = env.target value = env.value halted = env.halted if !halted && user_conditions.all? { |c| c.call(target, value) } user_callback.call(target, value) { - env = next_callback.call env + env = run.call env env.value } + env else - next_callback.call env + run.call env end - } + end end private_class_method :halting_and_conditional - def self.halting(next_callback, user_callback) - lambda { |env| + def self.halting(callback_sequence, user_callback) + callback_sequence.around do |env, &run| target = env.target value = env.value if env.halted - next_callback.call env + run.call env else user_callback.call(target, value) { - env = next_callback.call env + env = run.call env env.value } env end - } + end end private_class_method :halting - def self.conditional(next_callback, user_callback, user_conditions) - lambda { |env| + def self.conditional(callback_sequence, user_callback, user_conditions) + callback_sequence.around do |env, &run| target = env.target value = env.value if user_conditions.all? { |c| c.call(target, value) } user_callback.call(target, value) { - env = next_callback.call env + env = run.call env env.value } env else - next_callback.call env + run.call env end - } + end end private_class_method :conditional - def self.simple(next_callback, user_callback) - lambda { |env| + def self.simple(callback_sequence, user_callback) + callback_sequence.around do |env, &run| user_callback.call(env.target, env.value) { - env = next_callback.call env + env = run.call env env.value } env - } + end end private_class_method :simple end @@ -392,17 +397,17 @@ module ActiveSupport end # Wraps code with filter - def apply(next_callback) + def apply(callback_sequence) user_conditions = conditions_lambdas user_callback = make_lambda @filter case kind when :before - Filters::Before.build(next_callback, user_callback, user_conditions, chain_config, @filter) + Filters::Before.build(callback_sequence, user_callback, user_conditions, chain_config, @filter) when :after - Filters::After.build(next_callback, user_callback, user_conditions, chain_config) + Filters::After.build(callback_sequence, user_callback, user_conditions, chain_config) when :around - Filters::Around.build(next_callback, user_callback, user_conditions, chain_config) + Filters::Around.build(callback_sequence, user_callback, user_conditions, chain_config) end end @@ -467,6 +472,42 @@ module ActiveSupport end end + # Execute before and after filters in a sequence instead of + # chaining them with nested lambda calls, see: + # https://github.com/rails/rails/issues/18011 + class CallbackSequence + def initialize(&call) + @call = call + @before = [] + @after = [] + end + + def before(&before) + @before.unshift(before) + self + end + + def after(&after) + @after.push(after) + self + end + + def around(&around) + CallbackSequence.new do |*args| + around.call(*args) { + self.call(*args) + } + end + end + + def call(*args) + @before.each { |b| b.call(*args) } + value = @call.call(*args) + @after.each { |a| a.call(*args) } + value + end + end + # An Array with a compile method. class CallbackChain #:nodoc:# include Enumerable @@ -511,8 +552,9 @@ module ActiveSupport def compile @callbacks || @mutex.synchronize do - @callbacks ||= @chain.reverse.inject(Filters::ENDING) do |chain, callback| - callback.apply chain + final_sequence = CallbackSequence.new { |env| Filters::ENDING.call(env) } + @callbacks ||= @chain.reverse.inject(final_sequence) do |callback_sequence, callback| + callback.apply callback_sequence end end end diff --git a/activesupport/lib/active_support/core_ext/kernel/debugger.rb b/activesupport/lib/active_support/core_ext/kernel/debugger.rb index 2073cac98d..ddf66b2022 100644 --- a/activesupport/lib/active_support/core_ext/kernel/debugger.rb +++ b/activesupport/lib/active_support/core_ext/kernel/debugger.rb @@ -1,9 +1,9 @@ module Kernel unless respond_to?(:debugger) - # Starts a debugging session if the +debugger+ gem has been loaded (call rails server --debugger to do load it). + # Starts a debugging session if the +debugger+ gem has been loaded (call rails server --debugger to load it). def debugger message = "\n***** Debugger requested, but was not available (ensure the debugger gem is listed in Gemfile/installed as gem): Start server with --debugger to enable *****\n" - defined?(Rails) ? Rails.logger.info(message) : $stderr.puts(message) + defined?(Rails.logger) ? Rails.logger.info(message) : $stderr.puts(message) end alias breakpoint debugger unless respond_to?(:breakpoint) end diff --git a/activesupport/lib/active_support/core_ext/load_error.rb b/activesupport/lib/active_support/core_ext/load_error.rb index 768b980f21..d9fb392752 100644 --- a/activesupport/lib/active_support/core_ext/load_error.rb +++ b/activesupport/lib/active_support/core_ext/load_error.rb @@ -1,3 +1,5 @@ +require 'active_support/deprecation/proxy_wrappers' + class LoadError REGEXPS = [ /^no such file to load -- (.+)$/i, @@ -25,4 +27,4 @@ class LoadError end end -MissingSourceFile = LoadError +MissingSourceFile = ActiveSupport::Deprecation::DeprecatedConstantProxy.new('MissingSourceFile', 'LoadError') diff --git a/activesupport/lib/active_support/core_ext/object.rb b/activesupport/lib/active_support/core_ext/object.rb index f1106cca9b..f4f9152d6a 100644 --- a/activesupport/lib/active_support/core_ext/object.rb +++ b/activesupport/lib/active_support/core_ext/object.rb @@ -2,7 +2,6 @@ require 'active_support/core_ext/object/acts_like' require 'active_support/core_ext/object/blank' require 'active_support/core_ext/object/duplicable' require 'active_support/core_ext/object/deep_dup' -require 'active_support/core_ext/object/itself' require 'active_support/core_ext/object/try' require 'active_support/core_ext/object/inclusion' diff --git a/activesupport/lib/active_support/core_ext/object/itself.rb b/activesupport/lib/active_support/core_ext/object/itself.rb deleted file mode 100644 index d71cea6674..0000000000 --- a/activesupport/lib/active_support/core_ext/object/itself.rb +++ /dev/null @@ -1,15 +0,0 @@ -class Object - # TODO: Remove this file when we drop support for Ruby < 2.2 - unless respond_to?(:itself) - # Returns the object itself. - # - # Useful for chaining methods, such as Active Record scopes: - # - # Event.public_send(state.presence_in([ :trashed, :drafted ]) || :itself).order(:created_at) - # - # @return Object - def itself - self - end - end -end diff --git a/activesupport/lib/active_support/core_ext/string/output_safety.rb b/activesupport/lib/active_support/core_ext/string/output_safety.rb index ba92afd5f4..231eaedbba 100644 --- a/activesupport/lib/active_support/core_ext/string/output_safety.rb +++ b/activesupport/lib/active_support/core_ext/string/output_safety.rb @@ -150,7 +150,11 @@ module ActiveSupport #:nodoc: else if html_safe? new_safe_buffer = super - new_safe_buffer.instance_variable_set :@html_safe, true + + if new_safe_buffer + new_safe_buffer.instance_variable_set :@html_safe, true + end + new_safe_buffer else to_str[*args] diff --git a/activesupport/lib/active_support/core_ext/thread.rb b/activesupport/lib/active_support/core_ext/thread.rb deleted file mode 100644 index 9637178f53..0000000000 --- a/activesupport/lib/active_support/core_ext/thread.rb +++ /dev/null @@ -1,86 +0,0 @@ -class Thread - LOCK = Mutex.new # :nodoc: - - # Returns the value of a thread local variable that has been set. Note that - # these are different than fiber local values. - # - # Thread local values are carried along with threads, and do not respect - # fibers. For example: - # - # Thread.new { - # Thread.current.thread_variable_set("foo", "bar") # set a thread local - # Thread.current["foo"] = "bar" # set a fiber local - # - # Fiber.new { - # Fiber.yield [ - # Thread.current.thread_variable_get("foo"), # get the thread local - # Thread.current["foo"], # get the fiber local - # ] - # }.resume - # }.join.value # => ['bar', nil] - # - # The value <tt>"bar"</tt> is returned for the thread local, where +nil+ is returned - # for the fiber local. The fiber is executed in the same thread, so the - # thread local values are available. - def thread_variable_get(key) - _locals[key.to_sym] - end - - # Sets a thread local with +key+ to +value+. Note that these are local to - # threads, and not to fibers. Please see Thread#thread_variable_get for - # more information. - def thread_variable_set(key, value) - _locals[key.to_sym] = value - end - - # Returns an array of the names of the thread-local variables (as Symbols). - # - # thr = Thread.new do - # Thread.current.thread_variable_set(:cat, 'meow') - # Thread.current.thread_variable_set("dog", 'woof') - # end - # thr.join # => #<Thread:0x401b3f10 dead> - # thr.thread_variables # => [:dog, :cat] - # - # Note that these are not fiber local variables. Please see Thread#thread_variable_get - # for more details. - def thread_variables - _locals.keys - end - - # Returns <tt>true</tt> if the given string (or symbol) exists as a - # thread-local variable. - # - # me = Thread.current - # me.thread_variable_set(:oliver, "a") - # me.thread_variable?(:oliver) # => true - # me.thread_variable?(:stanley) # => false - # - # Note that these are not fiber local variables. Please see Thread#thread_variable_get - # for more details. - def thread_variable?(key) - _locals.has_key?(key.to_sym) - end - - # Freezes the thread so that thread local variables cannot be set via - # Thread#thread_variable_set, nor can fiber local variables be set. - # - # me = Thread.current - # me.freeze - # me.thread_variable_set(:oliver, "a") # => RuntimeError: can't modify frozen thread locals - # me[:oliver] = "a" # => RuntimeError: can't modify frozen thread locals - def freeze - _locals.freeze - super - end - - private - - def _locals - if defined?(@_locals) - @_locals - else - LOCK.synchronize { @_locals ||= {} } - end - end -end unless Thread.instance_methods.include?(:thread_variable_set) diff --git a/activesupport/lib/active_support/deprecation/behaviors.rb b/activesupport/lib/active_support/deprecation/behaviors.rb index 328b8c320a..9f9dca8453 100644 --- a/activesupport/lib/active_support/deprecation/behaviors.rb +++ b/activesupport/lib/active_support/deprecation/behaviors.rb @@ -20,7 +20,7 @@ module ActiveSupport log: ->(message, callstack) { logger = - if defined?(Rails) && Rails.logger + if defined?(Rails.logger) && Rails.logger Rails.logger else require 'active_support/logger' diff --git a/activesupport/lib/active_support/duration.rb b/activesupport/lib/active_support/duration.rb index 0de1d2c7df..bcb415f6d3 100644 --- a/activesupport/lib/active_support/duration.rb +++ b/activesupport/lib/active_support/duration.rb @@ -98,7 +98,7 @@ module ActiveSupport to_i end - def respond_to_missing?(method, include_private=false) #:nodoc + def respond_to_missing?(method, include_private=false) #:nodoc: @value.respond_to?(method, include_private) end diff --git a/activesupport/lib/active_support/tagged_logging.rb b/activesupport/lib/active_support/tagged_logging.rb index d5c2222d2e..9086a959aa 100644 --- a/activesupport/lib/active_support/tagged_logging.rb +++ b/activesupport/lib/active_support/tagged_logging.rb @@ -43,7 +43,9 @@ module ActiveSupport end def current_tags - Thread.current[:activesupport_tagged_logging_tags] ||= [] + # We use our object ID here to void conflicting with other instances + thread_key = @thread_key ||= "activesupport_tagged_logging_tags:#{object_id}".freeze + Thread.current[thread_key] ||= [] end private |