Added more LuaJIT compatibility; core/compat.lua

1 files changed, 22 insertions, 7 deletions

diff --git a/core/compat.lua b/core/compat.lua
index 953e06b4..c5248204 100644
--- a/core/compat.lua
+++ b/core/compat.lua
@@ -3,13 +3,6 @@
 -- When using LuaJIT try to retain backwards compatibility (Lua 5.1).
 -- LuaJIT is compiled with LUAJIT_ENABLE_LUA52COMPAT for some Lua 5.2 features.
 
--- In Lua 5.1, `xpcall` did not accept function arguments.
-local xpcall51 = xpcall
-function xpcall(f, error, ...)
-  local args = {...}
-  return xpcall51(function() return f(unpack(args)) end, error)
-end
-
 -- In Lua 5.1, `load` did not take mode and environment parameters.
 local load51 = load
 function load(ld, source, mode, env)
@@ -26,9 +19,31 @@ function loadfile(filename, mode, env)
   return f, err
 end
 
+-- In Lua 5.1, `xpcall` did not accept function arguments.
+local xpcall51 = xpcall
+function xpcall(f, error, ...)
+  local args = {...}
+  return xpcall51(function() return f(unpack(args)) end, error)
+end
+
+-- In Lua 5.1, `module` exists.
+module = nil
+
+-- In Lua 5.1, `package.loaders` is `package.searchers`
+package.searchers = package.loaders
+
+-- TODO: table.pack
+-- In Lua 5.1, `table.pack` did not exist.
+
 -- TODO: string.rep
 -- In Lua 5.1, `string.rep` did not take separation string parameter.
 
+-- TODO: math.log, math.log10
+-- In Lua 5.1, `math.log` does not take base parameter and `math.log10` existed.
+
+-- In LuaJIT, `bit` is used instead of `bit32`
+bit32 = bit
+
 -- In Lua 5.1, `os.execute` returned an integer depending on shell availability.
 -- It also returned just a status code.
 local os_execute51 = os.execute