diff options
Diffstat (limited to 'Master/texmf-dist/tex/context/base/trac-tra.lua')
-rw-r--r-- | Master/texmf-dist/tex/context/base/trac-tra.lua | 225 |
1 files changed, 225 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/trac-tra.lua b/Master/texmf-dist/tex/context/base/trac-tra.lua new file mode 100644 index 00000000000..aa18c3d98e9 --- /dev/null +++ b/Master/texmf-dist/tex/context/base/trac-tra.lua @@ -0,0 +1,225 @@ +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 |