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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)
if type(what) == "string" then
what = aux.settings_to_array(what)
end
for i=1,#what do
local w = what[i]
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
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