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-rw-r--r--Master/texmf-dist/tex/context/base/util-lua.lua48
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")))