1 files changed, 48 insertions, 0 deletions
diff --git a/Master/texmf-dist/tex/context/base/util-lua.lua b/Master/texmf-dist/tex/context/base/util-lua.lua
new file mode 100644
index 00000000000..54c2468baf6
--- /dev/null
+++ b/Master/texmf-dist/tex/context/base/util-lua.lua
@@ -0,0 +1,48 @@
+if not modules then modules = { } end modules ['util-lua'] = {
+    version   = 1.001,
+    comment   = "companion to luat-lib.mkiv",
+    author    = "Hans Hagen, PRAGMA-ADE, Hasselt NL",
+    copyright = "PRAGMA ADE / ConTeXt Development Team",
+    license   = "see context related readme files"
+}
+
+utilities        = utilities or {}
+utilities.lua    = utilities.lua or { }
+utilities.report = logs and logs.reporter("system") or print
+
+function utilities.lua.compile(luafile,lucfile,cleanup,strip) -- defaults: cleanup=false strip=true
+    utilities.report("lua: compiling %s into %s",luafile,lucfile)
+    os.remove(lucfile)
+    local command = "-o " .. string.quoted(lucfile) .. " " .. string.quoted(luafile)
+    if strip ~= false then
+        command = "-s " .. command
+    end
+    local done = os.spawn("texluac " .. command) == 0 or os.spawn("luac " .. command) == 0
+    if done and cleanup == true and lfs.isfile(lucfile) and lfs.isfile(luafile) then
+        utilities.report("lua: removing %s",luafile)
+        os.remove(luafile)
+    end
+    return done
+end
+
+--~ local getmetatable, type = getmetatable, type
+
+--~ local types = { }
+
+--~ function utilities.lua.registerdatatype(d,name)
+--~     types[getmetatable(d)] = name
+--~ end
+
+--~ function utilities.lua.datatype(d)
+--~     local t = type(d)
+--~     if t == "userdata" then
+--~         local m = getmetatable(d)
+--~         return m and types[m] or "userdata"
+--~     else
+--~         return t
+--~     end
+--~ end
+
+--~ utilities.lua.registerdatatype(lpeg.P("!"),"lpeg")
+
+--~ print(utilities.lua.datatype(lpeg.P("oeps")))