add lua and cpp versions

src/core/sys/sys.cpp

@@ -19,3 +19,16 @@ int lut_sys_tango_version(lua_State* L)
 	lua_pushstring(L, Tango::TgLibVers);
 	return 1;
 }
+
+int lut_sys_cpp_version(lua_State* L)
+{
+	   std::ostringstream cpp_ver;
+#ifdef __clang__
+	   cpp_ver << "clang++ " << __clang_major__ << "." << __clang_minor__ << "." << __clang_patchlevel__;
+#else
+	   cpp_ver << "GCC " << __GNUC__ << "." << __GNUC_MINOR__ << "." << __GNUC_PATCHLEVEL__;
+#endif
+
+	lua_pushstring(L, cpp_ver.str().c_str());
+	return 1;
+}

src/core/sys/sys.h

@@ -9,11 +9,13 @@
 void lut_lua_register_sys(lua_State* L);
 int lut_sys_version(lua_State* L);
 int lut_sys_tango_version(lua_State* L);
+int lut_sys_cpp_version(lua_State* L);
 
 static const luaL_reg lut_sys[] =
 {
 	{ "version", lut_sys_version },
 	{ "tango_version", lut_sys_tango_version },
+	{ "cpp_version", lut_sys_cpp_version },
 	{ NULL, NULL }
 };
 

src/init.lua

@@ -1,5 +1,6 @@
 local log = require "lutango.lutLog"
 local core = require "lutango.core"
+local utils = require "lutango.utils"
 local lutObject = require "lutango.lutObject"
 
 local lutango = {
@@ -10,5 +11,7 @@ local lutango = {
 	DeviceProxy = lutObject("DeviceProxy")
 }
 
+lutango.sys.lua_version = utils.lua_version
+
 log(log.level.TRACE, "luTango module ready")
 return lutango

src/utils.lua

@@ -11,5 +11,13 @@ function utils.get_file_name(path)
       return path:match("^.+[/\\](.+)$")
 end
 
+function utils.lua_version()
+	if type(jit) == "table" and jit.version then
+		-- running on LuaJIT
+		return jit.version.." (".._VERSION..")"
+	else
+		return _VERSION
+	end
+end
 
 return utils