toml parser update + 'toml' module is built-in now

src/logic/scripting/lua/libtoml.cpp

@@ -0,0 +1,37 @@
+#include "api_lua.hpp"
+#include "lua_commons.hpp"
+#include "LuaState.hpp"
+
+#include "../../../coders/toml.hpp"
+#include "../../../data/dynamic.hpp"
+
+namespace scripting {
+    extern lua::LuaState* state;
+}
+using namespace scripting;
+
+static int l_toml_stringify(lua_State* L) {
+    auto value = state->tovalue(1);
+
+    if (auto mapptr = std::get_if<dynamic::Map_sptr>(&value)) {
+        auto string = toml::stringify(**mapptr);
+        lua_pushstring(L, string.c_str());
+        return 1;
+    } else {
+        throw std::runtime_error("table expected");
+    }
+}
+
+static int l_toml_parse(lua_State*) {
+    auto string = state->requireString(1);
+    auto element = toml::parse("<string>", string);
+    auto value = std::make_unique<dynamic::Value>(element);
+    state->pushvalue(*value);
+    return 1;
+}
+
+const luaL_Reg tomllib [] = {
+    {"serialize", lua_wrap_errors<l_toml_stringify>},
+    {"deserialize", lua_wrap_errors<l_toml_parse>},
+    {NULL, NULL}
+};