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comparison util/helpers.lua @ 4797:e239668aa6d2

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Merge 0.9->trunk
author Matthew Wild <mwild1@gmail.com>
date Sun, 29 Apr 2012 02:10:55 +0100
parents 447f5a94792d
children 9e7aa5b47bdf
comparison
equal deleted inserted replaced
4796:04a34287dc12 4797:e239668aa6d2
3 -- Copyright (C) 2008-2010 Waqas Hussain 3 -- Copyright (C) 2008-2010 Waqas Hussain
4 -- 4 --
5 -- This project is MIT/X11 licensed. Please see the 5 -- This project is MIT/X11 licensed. Please see the
6 -- COPYING file in the source package for more information. 6 -- COPYING file in the source package for more information.
7 -- 7 --
8
9 local debug = require "util.debug";
8 10
9 module("helpers", package.seeall); 11 module("helpers", package.seeall);
10 12
11 -- Helper functions for debugging 13 -- Helper functions for debugging
12 14
26 events[events.fire_event] = f; 28 events[events.fire_event] = f;
27 return events; 29 return events;
28 end 30 end
29 31
30 function revert_log_events(events) 32 function revert_log_events(events)
31 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :) 33 events.fire_event, events[events.fire_event] = events[events.fire_event], nil; -- :))
34 end
35
36 function show_events(events, specific_event)
37 local event_handlers = events._handlers;
38 local events_array = {};
39 local event_handler_arrays = {};
40 for event in pairs(events._event_map) do
41 local handlers = event_handlers[event];
42 if handlers and (event == specific_event or not specific_event) then
43 table.insert(events_array, event);
44 local handler_strings = {};
45 for i, handler in ipairs(handlers) do
46 local upvals = debug.string_from_var_table(debug.get_upvalues_table(handler));
47 handler_strings[i] = " "..i..": "..tostring(handler)..(upvals and ("\n "..upvals) or "");
48 end
49 event_handler_arrays[event] = handler_strings;
50 end
51 end
52 table.sort(events_array);
53 local i = 1;
54 while i <= #events_array do
55 local handlers = event_handler_arrays[events_array[i]];
56 for j=#handlers, 1, -1 do
57 table.insert(events_array, i+1, handlers[j]);
58 end
59 if i > 1 then events_array[i] = "\n"..events_array[i]; end
60 i = i + #handlers + 1
61 end
62 return table.concat(events_array, "\n");
32 end 63 end
33 64
34 function get_upvalue(f, get_name) 65 function get_upvalue(f, get_name)
35 local i, name, value = 0; 66 local i, name, value = 0;
36 repeat 67 repeat