Sha256: b387c2d91c2e6448667b4f4a44ae07ff02a9018eeed4ba0c3c1d1e4a027fdcc4
Contents?: true
Size: 1.74 KB
Versions: 28
Compression:
Stored size: 1.74 KB
Contents
module Parenting
module ClassMethods
end
module InstanceMethods
def context_stack
$context_stack ||= []
end
def initialize(o, &block)
run_in_context do
instance_eval(&block) if block
super(&block)
end
end
def run_in_context(&block)
@parent = parent
context_stack.push self
instance_eval(&block) if block
context_stack.pop
head
end
def head
context_stack.first
end
def this_context
# @this_context ||= context_stack.last
context_stack.last
end
def parent
@parent ||= current_context[-1] == self ? current_context[-2] : current_context[-1]
end
def current_context
@current_context ||= context_stack[0..depth]
end
def depth
@depth ||= context_stack.size
end
def this
@this ||= self
end
def method_missing(m,*args,&block)
if block
if args.empty?
super
else
inst = args[0]
context_stack.push self
inst.instance_eval(&block)
context_stack.pop
end
else
# if this_context.respond_to?(m)
# this_context.send(m,*args,&block)
begin
parent.send(m,*args, &block)
rescue Exception => e
dputs [:parenting_exception, m, context_stack.map {|a| a.class }, current_context.map {|a| a.class }, parent.inspect]
super
end
# if parent.respond_to?(m)
# parent.send(m,*args,&block)
# else
# p [:parent, parent.class, m]
# super
# end
end
end
end
def self.included(receiver)
receiver.extend ClassMethods
receiver.send :include, InstanceMethods
end
end
Version data entries
28 entries across 28 versions & 3 rubygems