add rudimentary verbosity switch

1 files changed, 24 insertions, 13 deletions

diff --git a/lualibs.lua b/lualibs.lua
index 4f354b5..f126fb7 100644
--- a/lualibs.lua
+++ b/lualibs.lua
@@ -11,16 +11,13 @@ local lualibs_module = {
   license       = "See ConTeXt's mreadme.pdf for the license",
 }
 
---- TODO should be set in some global config
-prefer_merged       = true ---false
-local load_extended = true ---false
+_G.config              = _G.config or { }
+_G.config.lualibs      = _G.config.lualibs or { }
+local lualibs          = _G.config.lualibs
 
-if config and config.lualibs then
-  local cl_prefer_merged = config.lualibs.prefer_merged
-  local cl_load_extended = config.lualibs.load_extended
-  if cl_prefer_merged ~= nil then prefer_merged = cl_prefer_merged end
-  if cl_load_extended ~= nil then load_extended = cl_load_extended end
-end
+if lualibs.prefer_merged == nil then lualibs.prefer_merged = true end
+if lualibs.load_extended == nil then lualibs.load_extended = true end
+lualibs.verbose = lualibs.verbose == true or false
 
 local lpeg, kpse = lpeg, kpse
 
@@ -29,11 +26,24 @@ local lpegmatch    = lpeg.match
 local stringformat = string.format
 
 local find_file, error, warn, info
-if luatexbase and luatexbase.provides_module then
-  error, warn, info = luatexbase.provides_module(lualibs_module)
-else
-  error, warn, info = texio.write_nl, texio.write_nl, texio.write_nl -- stub
+do
+  local _error, _warn, _info
+  if luatexbase and luatexbase.provides_module then
+    _error, _warn, _info = luatexbase.provides_module(lualibs_module)
+  else
+    _error, _warn, _info = texio.write_nl, texio.write_nl, texio.write_nl -- stub
+  end
+
+  -- if lualibs.verbose then 
+  if lualibs.verbose then
+    error, warn, info = _error, _warn, _info
+  else
+    local dummylogger = function ( ) end
+    error, warn, info = _error, dummylogger, dummylogger
+  end
+  lualibs.error, lualibs.warn, lualibs.info = error, warn, info
 end
+
 if luatexbase and luatexbase.find_file then
   find_file = luatexbase.find_file
 else
@@ -51,6 +61,7 @@ loadmodule = _G.loadmodule or function (name, t)
   dofile(filepath)
   return true
 end
+lualibs.loadmodule = loadmodule
 
 --[[doc--
 The separation of the “basic” from the “extended” sets coincides with