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-rw-r--r--luaotfload-override.lua64
1 files changed, 53 insertions, 11 deletions
diff --git a/luaotfload-override.lua b/luaotfload-override.lua
index 5e642e4..caf3627 100644
--- a/luaotfload-override.lua
+++ b/luaotfload-override.lua
@@ -1,17 +1,30 @@
if not modules then modules = { } end modules ['luat-ovr'] = {
- version = 2.2,
+ version = 2.3,
comment = "companion to luatex-*.tex",
author = "Khaled Hosny, Elie Roux, Philipp Gesang",
copyright = "Luaotfload Development Team",
license = "GNU GPL v2"
}
-local module_name = "luaotfload"
+--[[doc--
+The logging system is slow in general, as we always have the function
+call overhead even if we aren’t going to output anything. On the other
+hand, the more efficient approach followed by Context isn’t an option
+because we lack a user interface to toggle per-subsystem tracing.
+--doc]]--
+
+local module_name = "luaotfload"
-local texiowrite_nl = texio.write_nl
-local stringformat = string.format
-local tableconcat = table.concat
-local type = type
+local select = select
+local stringformat = string.format
+local tableconcat = table.concat
+local texiowrite_nl = texio.write_nl
+local texiowrite = texio.write
+local type = type
+
+local texio_write_nl = texio.write_nl
+local texio_write = texio.write
+local iowrite = io.write
--[[doc--
We recreate the verbosity levels previously implemented in font-nms:
@@ -65,11 +78,40 @@ local log = function (category, fmt, ...)
texiowrite_nl(logout, tableconcat(res))
end
-local stdout = function (category, fmt, ...)
- local res = { module_name, " |" }
- if category then res[#res+1] = " " .. category end
- if fmt then res[#res+1] = ": " .. stringformat(fmt, ...) end
- texiowrite_nl(tableconcat(res))
+--- with faux db update with maximum verbosity:
+---
+--- --------- --------
+--- buffering time (s)
+--- --------- --------
+--- full 4.12
+--- line 4.20
+--- none 4.39
+--- --------- --------
+---
+
+io.stdout:setvbuf "no"
+io.stderr:setvbuf "no"
+
+local writeln
+if tex and (tex.jobname or tex.formatname) then
+ --- TeX
+ writeln = texiowrite_nl
+else
+ --- Lua interpreter
+ writeln = function (str)
+ iowrite(str)
+ iowrite "\n"
+ end
+end
+
+stdout = function (category, ...)
+ local res = { module_name, "|", category, ":" }
+ if select("#", ...) == 1 then
+ res[#res+1] = select(1, ...) -- around 30% faster than unpack()
+ else
+ res[#res+1] = stringformat(...)
+ end
+ writeln(tableconcat(res, " "))
end
--- at default (zero), we aim to be quiet