diff options
Diffstat (limited to 'tex/context/base/mkiv/util-lua.lua')
| -rw-r--r-- | tex/context/base/mkiv/util-lua.lua | 51 |
1 files changed, 45 insertions, 6 deletions
diff --git a/tex/context/base/mkiv/util-lua.lua b/tex/context/base/mkiv/util-lua.lua index b3346006c..bd74d0843 100644 --- a/tex/context/base/mkiv/util-lua.lua +++ b/tex/context/base/mkiv/util-lua.lua @@ -10,16 +10,17 @@ if not modules then modules = { } end modules ['util-lua'] = { -- we will remove the 5.1 code some day soon local rep, sub, byte, dump, format = string.rep, string.sub, string.byte, string.dump, string.format -local load, loadfile, type = load, loadfile, type +local load, loadfile, type, collectgarbage = load, loadfile, type, collectgarbage utilities = utilities or {} utilities.lua = utilities.lua or { } local luautilities = utilities.lua local report_lua = logs.reporter("system","lua") +local report_mem = logs.reporter("system","lua memory") local tracestripping = false -local forcestupidcompile = true -- use internal bytecode compiler +local tracememory = false luautilities.stripcode = true -- support stripping when asked for luautilities.alwaysstripcode = false -- saves 1 meg on 7 meg compressed format file (2012.08.12) luautilities.nofstrippedchunks = 0 @@ -71,12 +72,21 @@ end -- quite subtle ... doing this wrong incidentally can give more bytes -function luautilities.loadedluacode(fullname,forcestrip,name) +function luautilities.loadedluacode(fullname,forcestrip,name,macros) -- quite subtle ... doing this wrong incidentally can give more bytes name = name or fullname local code, message - if environment.loadpreprocessedfile then - code, message = environment.loadpreprocessedfile(fullname) + if macros then + macros = lua.macros + end + if macros and macros.enabled then + -- local c = io.loaddata(fullname) -- not yet available + local f = io.open(fullname,"rb") local c = f:read("*a") f:close() + local n = c and macros.resolvestring("--[["..fullname.."]] "..c) + if n and #n ~= #c then + report_lua("preprocessed file %a: %i => %i bytes",fullname,#c,#n) + end + code, message = load(n or c) else code, message = loadfile(fullname) end @@ -103,7 +113,7 @@ function luautilities.loadedluacode(fullname,forcestrip,name) end end -function luautilities.strippedloadstring(code,forcestrip,name) -- not executed +function luautilities.strippedloadstring(code,name,forcestrip) -- not executed local code, message = load(code) if not code then report_lua("loading of file %a failed:\n\t%s",name,message or "no message") @@ -116,6 +126,14 @@ function luautilities.strippedloadstring(code,forcestrip,name) -- not executed end end +function luautilities.loadstring(code,name) -- not executed + local code, message = load(code) + if not code then + report_lua("loading of file %a failed:\n\t%s",name,message or "no message") + end + return code, 0 +end + function luautilities.compile(luafile,lucfile,cleanup,strip,fallback) -- defaults: cleanup=false strip=true report_lua("compiling %a into %a",luafile,lucfile) os.remove(lucfile) @@ -176,3 +194,24 @@ setmetatable(finalizers, { function luautilities.registerfinalizer(f) finalizers[#finalizers+1] = f end + +function luautilities.checkmemory(previous,threshold,trace) -- threshold in MB + local current = collectgarbage("count") + if previous then + local checked = (threshold or 64)*1024 + local delta = current - previous + if current - previous > checked then + collectgarbage("collect") + local afterwards = collectgarbage("count") + if trace or tracememory then + report_mem("previous %i MB, current %i MB, delta %i MB, threshold %i MB, afterwards %i MB", + previous/1024,current/1024,delta/1024,threshold,afterwards) + end + return afterwards + elseif trace or tracememory then + report_mem("previous %i MB, current %i MB, delta %i MB, threshold %i MB", + previous/1024,current/1024,delta/1024,threshold) + end + end + return current +end |