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module("helpers", package.seeall);
-- Helper functions for debugging
local log = require "util.logger".init("util.debug");
function log_events(events, name, logger)
local f = events.fire_event;
if not f then
error("Object does not appear to be a util.events object");
end
logger = logger or log;
name = name or tostring(events);
function events.fire_event(event, ...)
logger("debug", "%s firing event: %s", name, event);
return f(event, ...);
end
events[events.fire_event] = f;
return events;
end
function revert_log_events(events)
events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :)
end
function get_upvalue(f, get_name)
local i, name, value = 0;
repeat
i = i + 1;
name, value = debug.getupvalue(f, i);
until name == get_name or name == nil;
return value;
end
return _M;
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