refactor: 'lua' namespace expansion

src/logic/scripting/lua/libjson.cpp

@@ -1,23 +1,15 @@
 #include "api_lua.hpp"
-#include "lua_util.hpp"
-#include "lua_commons.hpp"
-#include "LuaState.hpp"
 
 #include "../../../coders/json.hpp"
 #include "../../../data/dynamic.hpp"
 
-namespace scripting {
-    extern lua::LuaState* state;
-}
-
 static int l_json_stringify(lua_State* L) {
     auto value = lua::tovalue(L, 1);
 
     if (auto mapptr = std::get_if<dynamic::Map_sptr>(&value)) {
-        bool nice = lua_toboolean(L, 2);
+        bool nice = lua::toboolean(L, 2);
         auto string = json::stringify(mapptr->get(), nice, "  ");
-        lua_pushstring(L, string.c_str());
-        return 1;
+        return lua::pushstring(L, string.c_str());
     } else {
         throw std::runtime_error("table expected");
     }
@@ -26,12 +18,11 @@ static int l_json_stringify(lua_State* L) {
 static int l_json_parse(lua_State* L) {
     auto string = lua::require_string(L, 1);
     auto element = json::parse("<string>", string);
-    lua::pushvalue(L, element);
-    return 1;
+    return lua::pushvalue(L, element);
 }
 
 const luaL_Reg jsonlib [] = {
-    {"tostring", lua_wrap_errors<l_json_stringify>},
-    {"parse", lua_wrap_errors<l_json_parse>},
+    {"tostring", lua::wrap<l_json_stringify>},
+    {"parse", lua::wrap<l_json_parse>},
     {NULL, NULL}
 };