webmcp

annotate framework/env/execute/_initializers.lua @ 425:beb1e7925a52

Stack traceback for "coro" (initializers/finalizers)
author jbe
date Tue Jan 12 20:03:17 2016 +0100 (2016-01-12)
parents a2c733535b8e
children c37d4bf50a4b
rev   line source
jbe@214 1 function execute._initializers(initializer_path_element)
jbe@425 2 local yieldvalue_inner = {}
jbe@425 3 local coro = coroutine.create(function()
jbe@214 4 execute.multi_wrapped(
jbe@214 5 execute._create_sorted_execution_list(
jbe@214 6 function(add_by_path)
jbe@214 7 add_by_path(initializer_path_element)
jbe@316 8 add_by_path(WEBMCP_APP_NAME, initializer_path_element)
jbe@214 9 end,
jbe@214 10 function(full_path, relative_path)
jbe@214 11 execute.file_path{ file_path = full_path }
jbe@214 12 end
jbe@214 13 ),
jbe@214 14 function()
jbe@425 15 coroutine.yield(yieldvalue_inner)
jbe@214 16 end
jbe@214 17 )
jbe@214 18 end)
jbe@425 19 local success, yieldvalue = coroutine.resume(coro)
jbe@425 20 if not success then
jbe@425 21 error(debug.traceback(coro, "Error in initializer"))
jbe@425 22 end
jbe@425 23 if coroutine.status(coro) == "dead" then
jbe@277 24 error("Initializers failed to call execute.inner()")
jbe@425 25 elseif yieldvalue ~= yieldvalue_inner then
jbe@425 26 error("Unexpected yield in initializer")
jbe@214 27 end
jbe@277 28 execute._finalizers[#execute._finalizers+1] = function()
jbe@425 29 if not coroutine.resume(coro) then
jbe@425 30 error(debug.traceback(coro, "Error in finalizer"))
jbe@425 31 end
jbe@425 32 if coroutine.status(coro) ~= "dead" then
jbe@425 33 error("Unexpected yield in finalizer")
jbe@425 34 end
jbe@277 35 end
jbe@214 36 end

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