Class: Orthoses::LazyTracePoint

Inherits:
TracePoint
  • Object
show all
Defined in:
lib/orthoses/lazy_trace_point.rb

Overview

TracePoint wrapper that allows setting hooks even if the target is undefined

LazyTracePoint.new(:call) do |tp|
  ...
end.enable(target: 'Class#class_attribute') do
  require 'active_support/core_ext/class/attribute'
  ...
end

Defined Under Namespace

Modules: MethodAddedHook

Constant Summary collapse

METHOD_METHOD = 
::Kernel.instance_method(:method)
INSTANCE_METHOD_METHOD = 
::Module.instance_method(:instance_method)
UNBOUND_NAME_METHOD = 
::Module.instance_method(:name)
METHOD_ADDED_HOOKS = 
{}
SINGLETON_METHOD_ADDED_HOOKS = 
{}

Instance Method Summary collapse

Instance Method Details

#enable(target: nil, &block) ⇒ Object 



49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
 
# File 'lib/orthoses/lazy_trace_point.rb', line 49

def enable(target: nil, &block)
  return super unless target.kind_of?(String)

  case
  when target.include?('#')
    @mod_name, instance_method_id = target.split('#', 2)
    @instance_method_id = instance_method_id.to_sym
    @singleton_method_id = nil

    trace_instance_method(&block)
  when target.include?('.')
    @mod_name, singleton_method_id = target.split('.', 2)
    @singleton_method_id = singleton_method_id.to_sym
    @instance_method_id = nil

    trace_singleton_method(&block)
  else
    raise ArgumentError, "argument shuold be 'Foo#foo' or 'Foo.foo' format"
  end
end