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Versions: 12
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Contents
module Skylight
module Helpers
module ClassMethods
def method_added(name)
super
if opts = @__sk_instrument_next_method
@__sk_instrument_next_method = nil
title = "#{to_s}##{name}"
__sk_instrument_method_on(self, name, title, opts)
end
end
def singleton_method_added(name)
super
if opts = @__sk_instrument_next_method
@__sk_instrument_next_method = nil
title = "#{to_s}.#{name}"
__sk_instrument_method_on(__sk_singleton_class, name, title, opts)
end
end
def instrument_method(*args)
opts = args.pop if Hash === args.last
if name = args.pop
title = "#{to_s}##{name}"
__sk_instrument_method_on(self, name, title, opts || {})
else
@__sk_instrument_next_method = opts || {}
end
end
private
def __sk_instrument_method_on(klass, name, title, opts)
category = (opts[:category] || "app.method").to_s
title = (opts[:title] || title).to_s
desc = opts[:description].to_s if opts[:description]
klass.class_eval <<-RUBY, __FILE__, __LINE__ + 1
alias_method :"#{name}_before_instrument", :"#{name}"
def #{name}(*args, &blk)
span = Skylight.instrument(
category: :"#{category}",
title: #{title.inspect},
description: #{desc.inspect})
begin
#{name}_before_instrument(*args, &blk)
ensure
Skylight.done(span) if span
end
end
RUBY
end
if respond_to?(:singleton_class)
alias :__sk_singleton_class :singleton_class
else
def __sk_singleton_class
class << self; self; end
end
end
end
def self.included(base)
base.class_eval do
@__sk_instrument_next_method = nil
extend ClassMethods
end
end
end
end
Version data entries
12 entries across 12 versions & 1 rubygems