[fontloader] sync with Context as of 2014-12-29

9 files changed, 185 insertions, 161 deletions

diff --git a/src/fontloader/misc/fontloader-font-afm.lua b/src/fontloader/misc/fontloader-font-afm.lua
index ca5616a..a96c668 100644
--- a/src/fontloader/misc/fontloader-font-afm.lua
+++ b/src/fontloader/misc/fontloader-font-afm.lua
@@ -48,6 +48,11 @@ local definers           = fonts.definers
 local readers            = fonts.readers
 local constructors       = fonts.constructors
 
+local fontloader         = fontloader
+local font_to_table      = fontloader.to_table
+local open_font          = fontloader.open
+local close_font         = fontloader.close
+
 local afm                = constructors.newhandler("afm")
 local pfb                = constructors.newhandler("pfb")
 
@@ -222,10 +227,10 @@ end
 
 local function get_indexes(data,pfbname)
     data.resources.filename = resolvers.unresolve(pfbname) -- no shortcut
-    local pfbblob = fontloader.open(pfbname)
+    local pfbblob = open_font(pfbname)
     if pfbblob then
         local characters = data.characters
-        local pfbdata = fontloader.to_table(pfbblob)
+        local pfbdata = font_to_table(pfbblob)
         if pfbdata then
             local glyphs = pfbdata.glyphs
             if glyphs then
@@ -251,7 +256,7 @@ local function get_indexes(data,pfbname)
         elseif trace_loading then
             report_afm("no data in pfb file %a",pfbname)
         end
-        fontloader.close(pfbblob)
+        close_font(pfbblob)
     elseif trace_loading then
         report_afm("invalid pfb file %a",pfbname)
     end
diff --git a/src/fontloader/misc/fontloader-font-ini.lua b/src/fontloader/misc/fontloader-font-ini.lua
index 884b224..c547f89 100644
--- a/src/fontloader/misc/fontloader-font-ini.lua
+++ b/src/fontloader/misc/fontloader-font-ini.lua
@@ -29,4 +29,4 @@ fonts.readers       = { }
 fonts.definers      = { methods = { } }
 fonts.loggers       = { register = function() end }
 
-fontloader.totable  = fontloader.to_table
+fontloader.totable  = fontloader.to_table -- not used
diff --git a/src/fontloader/misc/fontloader-font-otf.lua b/src/fontloader/misc/fontloader-font-otf.lua
index 1bb608f..44ad893 100644
--- a/src/fontloader/misc/fontloader-font-otf.lua
+++ b/src/fontloader/misc/fontloader-font-otf.lua
@@ -56,13 +56,14 @@ otf.glists               = { "gsub", "gpos" }
 otf.version              = 2.802 -- beware: also sync font-mis.lua
 otf.cache                = containers.define("fonts", "otf", otf.version, true)
 
-local fontdata           = fonts.hashes.identifiers
-local chardata           = characters and characters.data -- not used
-
+local hashes             = fonts.hashes
 local definers           = fonts.definers
 local readers            = fonts.readers
 local constructors       = fonts.constructors
 
+local fontdata           = hashes     and hashes.identifiers
+local chardata           = characters and characters.data -- not used
+
 local otffeatures        = constructors.newfeatures("otf")
 local registerotffeature = otffeatures.register
 
@@ -84,7 +85,12 @@ local applyruntimefixes  = fonts.treatments and fonts.treatments.applyfixes
 local wildcard           = "*"
 local default            = "dflt"
 
-local fontloaderfields   = fontloader.fields
+local fontloader         = fontloader
+local open_font          = fontloader.open
+local close_font         = fontloader.close
+local font_fields        = fontloader.fields
+local apply_featurefile  = fontloader.apply_featurefile
+
 local mainfields         = nil
 local glyphfields        = nil -- not used yet
 
@@ -137,7 +143,7 @@ local function load_featurefile(raw,featurefile)
         if trace_loading then
             report_otf("using featurefile %a", featurefile)
         end
-        fontloader.apply_featurefile(raw, featurefile)
+        apply_featurefile(raw, featurefile)
     end
 end
 
@@ -437,12 +443,12 @@ function otf.load(filename,sub,featurefile) -- second argument (format) is gone
         report_otf("loading %a, hash %a",filename,hash)
         local fontdata, messages
         if sub then
-            fontdata, messages = fontloader.open(filename,sub)
+            fontdata, messages = open_font(filename,sub)
         else
-            fontdata, messages = fontloader.open(filename)
+            fontdata, messages = open_font(filename)
         end
         if fontdata then
-            mainfields = mainfields or (fontloaderfields and fontloaderfields(fontdata))
+            mainfields = mainfields or (font_fields and font_fields(fontdata))
         end
         if trace_loading and messages and #messages > 0 then
             if type(messages) == "string" then
@@ -526,7 +532,7 @@ function otf.load(filename,sub,featurefile) -- second argument (format) is gone
                 report_otf("preprocessing and caching time %s, packtime %s",
                     elapsedtime(data),packdata and elapsedtime(packtime) or 0)
             end
-            fontloader.close(fontdata) -- free memory
+            close_font(fontdata) -- free memory
             if cleanup > 3 then
                 collectgarbage("collect")
             end
diff --git a/src/fontloader/misc/fontloader-l-file.lua b/src/fontloader/misc/fontloader-l-file.lua
index 2742e99..2c471d7 100644
--- a/src/fontloader/misc/fontloader-l-file.lua
+++ b/src/fontloader/misc/fontloader-l-file.lua
@@ -15,51 +15,53 @@ if not lfs then
     lfs = optionalrequire("lfs")
 end
 
-if not lfs then
-
-    lfs = {
-        getcurrentdir = function()
-            return "."
-        end,
-        attributes = function()
-            return nil
-        end,
-        isfile = function(name)
-            local f = io.open(name,'rb')
-            if f then
-                f:close()
-                return true
-            end
-        end,
-        isdir = function(name)
-            print("you need to load lfs")
-            return false
-        end
-    }
-
-elseif not lfs.isfile then
-
-    local attributes = lfs.attributes
-
-    function lfs.isdir(name)
-        return attributes(name,"mode") == "directory"
-    end
-
-    function lfs.isfile(name)
-        return attributes(name,"mode") == "file"
-    end
-
- -- function lfs.isdir(name)
- --     local a = attributes(name)
- --     return a and a.mode == "directory"
- -- end
-
- -- function lfs.isfile(name)
- --     local a = attributes(name)
- --     return a and a.mode == "file"
- -- end
-
-end
+-- -- see later
+--
+-- if not lfs then
+--
+--     lfs = {
+--         getcurrentdir = function()
+--             return "."
+--         end,
+--         attributes = function()
+--             return nil
+--         end,
+--         isfile = function(name)
+--             local f = io.open(name,'rb')
+--             if f then
+--                 f:close()
+--                 return true
+--             end
+--         end,
+--         isdir = function(name)
+--             print("you need to load lfs")
+--             return false
+--         end
+--     }
+--
+-- elseif not lfs.isfile then
+--
+--     local attributes = lfs.attributes
+--
+--     function lfs.isdir(name)
+--         return attributes(name,"mode") == "directory"
+--     end
+--
+--     function lfs.isfile(name)
+--         return attributes(name,"mode") == "file"
+--     end
+--
+--  -- function lfs.isdir(name)
+--  --     local a = attributes(name)
+--  --     return a and a.mode == "directory"
+--  -- end
+--
+--  -- function lfs.isfile(name)
+--  --     local a = attributes(name)
+--  --     return a and a.mode == "file"
+--  -- end
+--
+-- end
 
 local insert, concat = table.insert, table.concat
 local match, find, gmatch = string.match, string.find, string.gmatch
@@ -72,6 +74,28 @@ local checkedsplit = string.checkedsplit
 
 local P, R, S, C, Cs, Cp, Cc, Ct = lpeg.P, lpeg.R, lpeg.S, lpeg.C, lpeg.Cs, lpeg.Cp, lpeg.Cc, lpeg.Ct
 
+-- better this way:
+
+local tricky     = S("/\\") * P(-1)
+local attributes = lfs.attributes
+
+if sandbox then
+    sandbox.redefine(lfs.isfile,"lfs.isfile")
+    sandbox.redefine(lfs.isdir, "lfs.isdir")
+end
+
+function lfs.isdir(name)
+    if lpegmatch(tricky,name) then
+        return attributes(name,"mode") == "directory"
+    else
+        return attributes(name.."/.","mode") == "directory"
+    end
+end
+
+function lfs.isfile(name)
+    return attributes(name,"mode") == "file"
+end
+
 local colon     = P(":")
 local period    = P(".")
 local periods   = P("..")
@@ -554,23 +578,6 @@ function file.collapsepath(str,anchor) -- anchor: false|nil, true, "."
     end
 end
 
--- better this way:
-
-local tricky     = S("/\\") * P(-1)
-local attributes = lfs.attributes
-
-function lfs.isdir(name)
-    if lpegmatch(tricky,name) then
-        return attributes(name,"mode") == "directory"
-    else
-        return attributes(name.."/.","mode") == "directory"
-    end
-end
-
-function lfs.isfile(name)
-    return attributes(name,"mode") == "file"
-end
-
 -- local function test(str,...)
 --    print(string.format("%-20s %-15s %-30s %-20s",str,file.collapsepath(str),file.collapsepath(str,true),file.collapsepath(str,".")))
 -- end
diff --git a/src/fontloader/misc/fontloader-l-io.lua b/src/fontloader/misc/fontloader-l-io.lua
index 020e811..a91d44d 100644
--- a/src/fontloader/misc/fontloader-l-io.lua
+++ b/src/fontloader/misc/fontloader-l-io.lua
@@ -339,11 +339,6 @@ function io.readstring(f,n,m)
     return str
 end
 
---
-
-if not io.i_limiter then function io.i_limiter() end end -- dummy so we can test safely
-if not io.o_limiter then function io.o_limiter() end end -- dummy so we can test safely
-
 -- This works quite ok:
 --
 -- function io.piped(command,writer)
diff --git a/src/fontloader/misc/fontloader-l-lua.lua b/src/fontloader/misc/fontloader-l-lua.lua
index 9565f48..1a2a987 100644
--- a/src/fontloader/misc/fontloader-l-lua.lua
+++ b/src/fontloader/misc/fontloader-l-lua.lua
@@ -165,3 +165,14 @@ end
 if lua then
     lua.mask = load([[τεχ = 1]]) and "utf" or "ascii"
 end
+
+local flush   = io.flush
+
+if flush then
+
+    local execute = os.execute if execute then function os.execute(...) flush() return execute(...) end end
+    local exec    = os.exec    if exec    then function os.exec   (...) flush() return exec   (...) end end
+    local spawn   = os.spawn   if spawn   then function os.spawn  (...) flush() return spawn  (...) end end
+    local popen   = io.popen   if popen   then function io.popen  (...) flush() return popen  (...) end end
+
+end
diff --git a/src/fontloader/misc/fontloader-l-table.lua b/src/fontloader/misc/fontloader-l-table.lua
index 3eb8b85..97e0441 100644
--- a/src/fontloader/misc/fontloader-l-table.lua
+++ b/src/fontloader/misc/fontloader-l-table.lua
@@ -49,9 +49,19 @@ function table.keys(t)
     end
 end
 
+-- local function compare(a,b)
+--     local ta, tb = type(a), type(b) -- needed, else 11 < 2
+--     if ta == tb then
+--         return a < b
+--     else
+--         return tostring(a) < tostring(b) -- not that efficient
+--     end
+-- end
+
 local function compare(a,b)
-    local ta, tb = type(a), type(b) -- needed, else 11 < 2
-    if ta == tb then
+    local ta = type(a) -- needed, else 11 < 2
+    local tb = type(b) -- needed, else 11 < 2
+    if ta == tb and ta == "number" then
         return a < b
     else
         return tostring(a) < tostring(b) -- not that efficient
@@ -469,7 +479,7 @@ local function do_serialize(root,name,depth,level,indexed)
         end
     end
     -- we could check for k (index) being number (cardinal)
-    if root and next(root) then
+    if root and next(root) ~= nil then
      -- local first, last = nil, 0 -- #root cannot be trusted here (will be ok in 5.2 when ipairs is gone)
      -- if compact then
      --     -- NOT: for k=1,#root do (we need to quit at nil)
@@ -513,7 +523,7 @@ local function do_serialize(root,name,depth,level,indexed)
                         handle(format("%s %q,",depth,v))
                     end
                 elseif tv == "table" then
-                    if not next(v) then
+                    if next(v) == nil then
                         handle(format("%s {},",depth))
                     elseif inline then -- and #t > 0
                         local st = simple_table(v)
@@ -597,7 +607,7 @@ local function do_serialize(root,name,depth,level,indexed)
                     end
                 end
             elseif tv == "table" then
-                if not next(v) then
+                if next(v) == nil then
                     if tk == "number" then
                         if hexify then
                             handle(format("%s [0x%X]={},",depth,k))
@@ -683,7 +693,7 @@ local function do_serialize(root,name,depth,level,indexed)
             --~ end
         end
     end
-   if level > 0 then
+    if level > 0 then
         handle(format("%s},",depth))
     end
 end
@@ -748,7 +758,7 @@ local function serialize(_handle,root,name,specification) -- handle wins
             root._w_h_a_t_e_v_e_r_ = nil
         end
         -- Let's forget about empty tables.
-        if next(root) then
+        if next(root) ~= nil then
             do_serialize(root,name,"",0)
         end
     end
@@ -928,7 +938,7 @@ local function sparse(old,nest,keeptables)
         if not (v == "" or v == false) then
             if nest and type(v) == "table" then
                 v = sparse(v,nest)
-                if keeptables or next(v) then
+                if keeptables or next(v) ~= nil then
                     new[k] = v
                 end
             else
@@ -1066,11 +1076,11 @@ end
 -- slower than #t on indexed tables (#t only returns the size of the numerically indexed slice)
 
 function table.is_empty(t)
-    return not t or not next(t)
+    return not t or next(t) == nil
 end
 
 function table.has_one_entry(t)
-    return t and not next(t,next(t))
+    return t and next(t,next(t)) == nil
 end
 
 -- new
@@ -1157,7 +1167,7 @@ function table.filtered(t,pattern,sort,cmp)
         else
             local n = next(t)
             local function iterator()
-                while n do
+                while n ~= nil do
                     local k = n
                     n = next(t,k)
                     if find(k,pattern) then
diff --git a/src/fontloader/misc/fontloader-util-str.lua b/src/fontloader/misc/fontloader-util-str.lua
index a040b01..a677a82 100644
--- a/src/fontloader/misc/fontloader-util-str.lua
+++ b/src/fontloader/misc/fontloader-util-str.lua
@@ -361,10 +361,10 @@ strings.tracers    = tracedchars
 function string.tracedchar(b)
     -- todo: table
     if type(b) == "number" then
-        return tracedchars[b] or (utfchar(b) .. " (U+" .. format('%05X',b) .. ")")
+        return tracedchars[b] or (utfchar(b) .. " (U+" .. format("%05X",b) .. ")")
     else
         local c = utfbyte(b)
-        return tracedchars[c] or (b .. " (U+" .. format('%05X',c) .. ")")
+        return tracedchars[c] or (b .. " (U+" .. (c and format("%05X",c) or "?????") .. ")")
     end
 end
 
diff --git a/src/fontloader/runtime/fontloader-fontloader.lua b/src/fontloader/runtime/fontloader-fontloader.lua
index 96a7dd3..83f1376 100644
--- a/src/fontloader/runtime/fontloader-fontloader.lua
+++ b/src/fontloader/runtime/fontloader-fontloader.lua
@@ -1,6 +1,6 @@
 -- merged file : luatex-fonts-merged.lua
 -- parent file : luatex-fonts.lua
--- merge date  : 12/21/14 22:25:48
+-- merge date  : 12/29/14 10:01:59
 
 do -- begin closure to overcome local limits and interference
 
@@ -85,6 +85,13 @@ end
 if lua then
   lua.mask=load([[τεχ = 1]]) and "utf" or "ascii"
 end
+local flush=io.flush
+if flush then
+  local execute=os.execute if execute then function os.execute(...) flush() return execute(...) end end
+  local exec=os.exec  if exec  then function os.exec  (...) flush() return exec  (...) end end
+  local spawn=os.spawn  if spawn  then function os.spawn (...) flush() return spawn (...) end end
+  local popen=io.popen  if popen  then function io.popen (...) flush() return popen (...) end end
+end
 
 end -- closure
 
@@ -964,8 +971,9 @@ function table.keys(t)
   end
 end
 local function compare(a,b)
-  local ta,tb=type(a),type(b) 
-  if ta==tb then
+  local ta=type(a) 
+  local tb=type(b) 
+  if ta==tb and ta=="number" then
     return a<b
   else
     return tostring(a)<tostring(b) 
@@ -1288,7 +1296,7 @@ local function do_serialize(root,name,depth,level,indexed)
       end
     end
   end
-  if root and next(root) then
+  if root and next(root)~=nil then
     local first,last=nil,0
     if compact then
       last=#root
@@ -1321,7 +1329,7 @@ local function do_serialize(root,name,depth,level,indexed)
             handle(format("%s %q,",depth,v))
           end
         elseif tv=="table" then
-          if not next(v) then
+          if next(v)==nil then
             handle(format("%s {},",depth))
           elseif inline then 
             local st=simple_table(v)
@@ -1405,7 +1413,7 @@ local function do_serialize(root,name,depth,level,indexed)
           end
         end
       elseif tv=="table" then
-        if not next(v) then
+        if next(v)==nil then
           if tk=="number" then
             if hexify then
               handle(format("%s [0x%X]={},",depth,k))
@@ -1547,7 +1555,7 @@ local function serialize(_handle,root,name,specification)
       local dummy=root._w_h_a_t_e_v_e_r_
       root._w_h_a_t_e_v_e_r_=nil
     end
-    if next(root) then
+    if next(root)~=nil then
       do_serialize(root,name,"",0)
     end
   end
@@ -1682,7 +1690,7 @@ local function sparse(old,nest,keeptables)
     if not (v=="" or v==false) then
       if nest and type(v)=="table" then
         v=sparse(v,nest)
-        if keeptables or next(v) then
+        if keeptables or next(v)~=nil then
           new[k]=v
         end
       else
@@ -1799,10 +1807,10 @@ function table.sub(t,i,j)
   return { unpack(t,i,j) }
 end
 function table.is_empty(t)
-  return not t or not next(t)
+  return not t or next(t)==nil
 end
 function table.has_one_entry(t)
-  return t and not next(t,next(t))
+  return t and next(t,next(t))==nil
 end
 function table.loweredkeys(t) 
   local l={}
@@ -1871,7 +1879,7 @@ function table.filtered(t,pattern,sort,cmp)
     else
       local n=next(t)
       local function iterator()
-        while n do
+        while n~=nil do
           local k=n
           n=next(t,k)
           if find(k,pattern) then
@@ -2195,8 +2203,6 @@ function io.readstring(f,n,m)
   local str=gsub(f:read(n),"\000","")
   return str
 end
-if not io.i_limiter then function io.i_limiter() end end 
-if not io.o_limiter then function io.o_limiter() end end
 
 end -- closure
 
@@ -2214,41 +2220,28 @@ local file=file
 if not lfs then
   lfs=optionalrequire("lfs")
 end
-if not lfs then
-  lfs={
-    getcurrentdir=function()
-      return "."
-    end,
-    attributes=function()
-      return nil
-    end,
-    isfile=function(name)
-      local f=io.open(name,'rb')
-      if f then
-        f:close()
-        return true
-      end
-    end,
-    isdir=function(name)
-      print("you need to load lfs")
-      return false
-    end
-  }
-elseif not lfs.isfile then
-  local attributes=lfs.attributes
-  function lfs.isdir(name)
-    return attributes(name,"mode")=="directory"
-  end
-  function lfs.isfile(name)
-    return attributes(name,"mode")=="file"
-  end
-end
 local insert,concat=table.insert,table.concat
 local match,find,gmatch=string.match,string.find,string.gmatch
 local lpegmatch=lpeg.match
 local getcurrentdir,attributes=lfs.currentdir,lfs.attributes
 local checkedsplit=string.checkedsplit
 local P,R,S,C,Cs,Cp,Cc,Ct=lpeg.P,lpeg.R,lpeg.S,lpeg.C,lpeg.Cs,lpeg.Cp,lpeg.Cc,lpeg.Ct
+local tricky=S("/\\")*P(-1)
+local attributes=lfs.attributes
+if sandbox then
+  sandbox.redefine(lfs.isfile,"lfs.isfile")
+  sandbox.redefine(lfs.isdir,"lfs.isdir")
+end
+function lfs.isdir(name)
+  if lpegmatch(tricky,name) then
+    return attributes(name,"mode")=="directory"
+  else
+    return attributes(name.."/.","mode")=="directory"
+  end
+end
+function lfs.isfile(name)
+  return attributes(name,"mode")=="file"
+end
 local colon=P(":")
 local period=P(".")
 local periods=P("..")
@@ -2535,18 +2528,6 @@ function file.collapsepath(str,anchor)
     end
   end
 end
-local tricky=S("/\\")*P(-1)
-local attributes=lfs.attributes
-function lfs.isdir(name)
-  if lpegmatch(tricky,name) then
-    return attributes(name,"mode")=="directory"
-  else
-    return attributes(name.."/.","mode")=="directory"
-  end
-end
-function lfs.isfile(name)
-  return attributes(name,"mode")=="file"
-end
 local validchars=R("az","09","AZ","--","..")
 local pattern_a=lpeg.replacer(1-validchars)
 local pattern_a=Cs((validchars+P(1)/"-")^1)
@@ -2874,10 +2855,10 @@ string.tracedchars=tracedchars
 strings.tracers=tracedchars
 function string.tracedchar(b)
   if type(b)=="number" then
-    return tracedchars[b] or (utfchar(b).." (U+"..format('%05X',b)..")")
+    return tracedchars[b] or (utfchar(b).." (U+"..format("%05X",b)..")")
   else
     local c=utfbyte(b)
-    return tracedchars[c] or (b.." (U+"..format('%05X',c)..")")
+    return tracedchars[c] or (b.." (U+"..(c and format("%05X",c) or "?????")..")")
   end
 end
 function number.signed(i)
@@ -3981,7 +3962,7 @@ fonts.analyzers={}
 fonts.readers={}
 fonts.definers={ methods={} }
 fonts.loggers={ register=function() end }
-fontloader.totable=fontloader.to_table
+fontloader.totable=fontloader.to_table 
 
 end -- closure
 
@@ -5915,6 +5896,10 @@ local findbinfile=resolvers.findbinfile
 local definers=fonts.definers
 local readers=fonts.readers
 local constructors=fonts.constructors
+local fontloader=fontloader
+local font_to_table=fontloader.to_table
+local open_font=fontloader.open
+local close_font=fontloader.close
 local afm=constructors.newhandler("afm")
 local pfb=constructors.newhandler("pfb")
 local afmfeatures=constructors.newfeatures("afm")
@@ -6030,10 +6015,10 @@ local function get_variables(data,fontmetrics)
 end
 local function get_indexes(data,pfbname)
   data.resources.filename=resolvers.unresolve(pfbname) 
-  local pfbblob=fontloader.open(pfbname)
+  local pfbblob=open_font(pfbname)
   if pfbblob then
     local characters=data.characters
-    local pfbdata=fontloader.to_table(pfbblob)
+    local pfbdata=font_to_table(pfbblob)
     if pfbdata then
       local glyphs=pfbdata.glyphs
       if glyphs then
@@ -6058,7 +6043,7 @@ local function get_indexes(data,pfbname)
     elseif trace_loading then
       report_afm("no data in pfb file %a",pfbname)
     end
-    fontloader.close(pfbblob)
+    close_font(pfbblob)
   elseif trace_loading then
     report_afm("invalid pfb file %a",pfbname)
   end
@@ -7074,11 +7059,12 @@ local otf=fonts.handlers.otf
 otf.glists={ "gsub","gpos" }
 otf.version=2.802 
 otf.cache=containers.define("fonts","otf",otf.version,true)
-local fontdata=fonts.hashes.identifiers
-local chardata=characters and characters.data 
+local hashes=fonts.hashes
 local definers=fonts.definers
 local readers=fonts.readers
 local constructors=fonts.constructors
+local fontdata=hashes   and hashes.identifiers
+local chardata=characters and characters.data 
 local otffeatures=constructors.newfeatures("otf")
 local registerotffeature=otffeatures.register
 local enhancers=allocate()
@@ -7095,7 +7081,11 @@ local overloadkerns=false
 local applyruntimefixes=fonts.treatments and fonts.treatments.applyfixes
 local wildcard="*"
 local default="dflt"
-local fontloaderfields=fontloader.fields
+local fontloader=fontloader
+local open_font=fontloader.open
+local close_font=fontloader.close
+local font_fields=fontloader.fields
+local apply_featurefile=fontloader.apply_featurefile
 local mainfields=nil
 local glyphfields=nil 
 local formats=fonts.formats
@@ -7136,7 +7126,7 @@ local function load_featurefile(raw,featurefile)
     if trace_loading then
       report_otf("using featurefile %a",featurefile)
     end
-    fontloader.apply_featurefile(raw,featurefile)
+    apply_featurefile(raw,featurefile)
   end
 end
 local function showfeatureorder(rawdata,filename)
@@ -7387,12 +7377,12 @@ function otf.load(filename,sub,featurefile)
     report_otf("loading %a, hash %a",filename,hash)
     local fontdata,messages
     if sub then
-      fontdata,messages=fontloader.open(filename,sub)
+      fontdata,messages=open_font(filename,sub)
     else
-      fontdata,messages=fontloader.open(filename)
+      fontdata,messages=open_font(filename)
     end
     if fontdata then
-      mainfields=mainfields or (fontloaderfields and fontloaderfields(fontdata))
+      mainfields=mainfields or (font_fields and font_fields(fontdata))
     end
     if trace_loading and messages and #messages>0 then
       if type(messages)=="string" then
@@ -7466,7 +7456,7 @@ function otf.load(filename,sub,featurefile)
         report_otf("preprocessing and caching time %s, packtime %s",
           elapsedtime(data),packdata and elapsedtime(packtime) or 0)
       end
-      fontloader.close(fontdata) 
+      close_font(fontdata) 
       if cleanup>3 then
         collectgarbage("collect")
       end