1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
|
if not modules then modules = { } end modules ['trac-tra'] = {
version = 1.001,
comment = "companion to luat-lib.tex",
author = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
copyright = "PRAGMA ADE / ConTeXt Development Team",
license = "see context related readme files"
}
-- the <anonymous> tag is kind of generic and used for functions that are not
-- bound to a variable, like node.new, node.copy etc (contrary to for instance
-- node.has_attribute which is bound to a has_attribute local variable in mkiv)
debugger = debugger or { }
local counters = { }
local names = { }
local getinfo = debug.getinfo
local format, find, lower, gmatch = string.format, string.find, string.lower, string.gmatch
-- one
local function hook()
local f = getinfo(2,"f").func
local n = getinfo(2,"Sn")
-- if n.what == "C" and n.name then print (n.namewhat .. ': ' .. n.name) end
if f then
local cf = counters[f]
if cf == nil then
counters[f] = 1
names[f] = n
else
counters[f] = cf + 1
end
end
end
local function getname(func)
local n = names[func]
if n then
if n.what == "C" then
return n.name or '<anonymous>'
else
-- source short_src linedefined what name namewhat nups func
local name = n.name or n.namewhat or n.what
if not name or name == "" then name = "?" end
return format("%s : %s : %s", n.short_src or "unknown source", n.linedefined or "--", name)
end
else
return "unknown"
end
end
function debugger.showstats(printer,threshold)
printer = printer or texio.write or print
threshold = threshold or 0
local total, grandtotal, functions = 0, 0, 0
printer("\n") -- ugly but ok
-- table.sort(counters)
for func, count in pairs(counters) do
if count > threshold then
local name = getname(func)
if not name:find("for generator") then
printer(format("%8i %s", count, name))
total = total + count
end
end
grandtotal = grandtotal + count
functions = functions + 1
end
printer(format("functions: %s, total: %s, grand total: %s, threshold: %s\n", functions, total, grandtotal, threshold))
end
-- two
--~ local function hook()
--~ local n = getinfo(2)
--~ if n.what=="C" and not n.name then
--~ local f = tostring(debug.traceback())
--~ local cf = counters[f]
--~ if cf == nil then
--~ counters[f] = 1
--~ names[f] = n
--~ else
--~ counters[f] = cf + 1
--~ end
--~ end
--~ end
--~ function debugger.showstats(printer,threshold)
--~ printer = printer or texio.write or print
--~ threshold = threshold or 0
--~ local total, grandtotal, functions = 0, 0, 0
--~ printer("\n") -- ugly but ok
--~ -- table.sort(counters)
--~ for func, count in pairs(counters) do
--~ if count > threshold then
--~ printer(format("%8i %s", count, func))
--~ total = total + count
--~ end
--~ grandtotal = grandtotal + count
--~ functions = functions + 1
--~ end
--~ printer(format("functions: %s, total: %s, grand total: %s, threshold: %s\n", functions, total, grandtotal, threshold))
--~ end
-- rest
function debugger.savestats(filename,threshold)
local f = io.open(filename,'w')
if f then
debugger.showstats(function(str) f:write(str) end,threshold)
f:close()
end
end
function debugger.enable()
debug.sethook(hook,"c")
end
function debugger.disable()
debug.sethook()
--~ counters[debug.getinfo(2,"f").func] = nil
end
function debugger.tracing()
local n = tonumber(os.env['MTX.TRACE.CALLS']) or tonumber(os.env['MTX_TRACE_CALLS']) or 0
if n > 0 then
function debugger.tracing() return true end ; return true
else
function debugger.tracing() return false end ; return false
end
end
--~ debugger.enable()
--~ print(math.sin(1*.5))
--~ print(math.sin(1*.5))
--~ print(math.sin(1*.5))
--~ print(math.sin(1*.5))
--~ print(math.sin(1*.5))
--~ debugger.disable()
--~ print("")
--~ debugger.showstats()
--~ print("")
--~ debugger.showstats(print,3)
trackers = trackers or { }
local data, done = { }, { }
local function set(what,value)
for w in gmatch(lower(what),"[^, ]+") do
for d, f in next, data do
if done[d] then
-- prevent recursion due to wildcards
elseif find(d,w) then
done[d] = true
for i=1,#f do
f[i](value)
end
end
end
end
end
local function reset()
for d, f in next, data do
for i=1,#f do
f[i](false)
end
end
end
function trackers.register(what,...)
what = lower(what)
local w = data[what]
if not w then
w = { }
data[what] = w
end
for _, fnc in next, { ... } do
local typ = type(fnc)
if typ == "function" then
w[#w+1] = fnc
elseif typ == "string" then
w[#w+1] = function(value) set(fnc,value,nesting) end
end
end
end
function trackers.enable(what)
done = { }
set(what,true)
end
function trackers.disable(what)
done = { }
if not what or what == "" then
trackers.reset(what)
else
set(what,false)
end
end
function trackers.reset(what)
done = { }
reset()
end
function trackers.list() -- pattern
local list = table.sortedkeys(data)
local user, system = { }, { }
for l=1,#list do
local what = list[l]
if find(what,"^%*") then
system[#system+1] = what
else
user[#user+1] = what
end
end
return user, system
end
|
