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Contents
require 'continuation' if RUBY_VERSION >= '1.9.0'
module ExtendIt
module Caller
# http://rubychallenger.blogspot.ru/2011/07/caller-binding.html
refine Object do
def caller_binding
cc, count = nil, 0
set_trace_func(lambda { |event, file, lineno, id, binding, klass|
if count == 2
set_trace_func nil
cc.call(binding)
elsif event == 'return'
count += 1
end
})
return callcc { |cont| cc = cont }
end
def caller_eval(str)
cc, ok = nil, false
set_trace_func(lambda { |event, file, lineno, id, binding, klass|
if ok
set_trace_func nil
cc.call(binding)
else
ok = event == "return"
end
})
return unless bb = callcc { |c| cc = c; nil }
eval(str, bb)
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems