Enable logging

Redefine the dummy |logs.report()| as wrapper for |luatextra.module_info()|

1 files changed, 27 insertions, 0 deletions

diff --git a/luaotfload.dtx b/luaotfload.dtx
index 6a8dcf2..f15f799 100644
--- a/luaotfload.dtx
+++ b/luaotfload.dtx
@@ -417,9 +417,36 @@ end
 %    Con\TeX t at all that allow other modules to be used, it provides some
 %    low-level Con\TeX t functions.
 %
+%    \texttt{luat-dum.lua} defines some dummy functions that are used in other
+%    modules but not really supported outside Con\TeX t, we redefine some of
+%    these functions below.
+%
 %    \begin{macrocode}
 
 luaotfload.loadmodule('luat-dum.lua') -- not used in context at all
+
+%    \end{macrocode}
+%
+%    We redefine the dummy \texttt{logs.report} function to be usable with
+%    \textsf{luaotfload}.
+%
+%    \begin{macrocode}
+
+function logs.report(category,fmt,...)
+    local log, name = luatextra.module_info, luaotfload.module.name
+    if fmt then
+        log(name, string.format("%s: %s", category, string.format(fmt,...)))
+    elseif category then
+        log(name, string.format("%s", category))
+    else
+        log(name, "")
+    end
+end
+
+%    \end{macrocode}
+%
+%    \begin{macrocode}
+
 luaotfload.loadmodule('data-con.lua') -- maybe some day we don't need this one
 
 %    \end{macrocode}