added activeImplementation for debugging purposes

Author: FourierTransformer

lua-simdjson-scm-0.rockspec

@@ -5,9 +5,9 @@ source = {
    tag = "0.0.0"
 }
 description = {
-   summary = "This is a simple Lua library for packing and unpacking binary data",
+   summary = "This is a simple Lua binding for simdjson",
    detailed = [[
-      This is a simple Lua library for packing and unpacking binary data.
+      This is a c++ binding to simdjson for parsing JSON very quickly.
    ]],
    homepage = "https://github.com/FourierTransformer/lua-simdjson",
    license = "Apache-2.0"

src/luasimdjson.cpp

@@ -124,6 +124,17 @@ static int parse_file(lua_State *L)
     return 1;
 }
 
+static int active_implementation(lua_State *L)
+{
+    std::string name = simdjson::active_implementation->name();
+    std::string description = simdjson::active_implementation->description();
+    std::string implementation_name = name + " (" + description + ")";
+
+    lua_pushlstring(L, implementation_name.data(), implementation_name.size());
+
+    return 1;
+}
+
 // ParsedObject as C++ class
 #define LUA_MYOBJECT "ParsedObject"
 class ParsedObject{

src/luasimdjson.h

@@ -2,13 +2,15 @@
 extern "C" {
 	static int parse(lua_State*);
 	static int parse_file(lua_State*);
+	static int active_implementation(lua_State*);
 	static int ParsedObject_open(lua_State*);
 	static int ParsedObject_open_file(lua_State*);
 
 
 	static const struct luaL_Reg luasimdjson[] = {
 		{"parse", parse},
 		{"parseFile", parse_file},
+		{"activeImplementation", active_implementation},
 		{"open", ParsedObject_open},
 		{"openFile", ParsedObject_open_file},