[keel,nostalgia] Add id() function to Keel modules

src/keel/module.hpp

@@ -27,6 +27,8 @@ class Module {
 		Module &operator=(Module&&) noexcept = delete;
 		constexpr virtual ~Module() noexcept = default;
 
+		[[nodiscard]]
+		virtual ox::String id() const noexcept = 0;
 		[[nodiscard]]
 		virtual ox::Vector<TypeDescGenerator> types() const noexcept;
 		[[nodiscard]]

src/nostalgia/modules/core/src/keel/keelmodule.cpp

@@ -22,6 +22,11 @@ class KeelModule: public keel::Module {
 		TileSheetV2ToTileSheetConverter m_tileSheetV2ToTileSheetConverter;
 
 	public:
+		[[nodiscard]]
+		ox::String id() const noexcept override {
+			return "net.drinkingtea.nostalgia.core";
+		}
+
 		[[nodiscard]]
 		ox::Vector<keel::TypeDescGenerator> types() const noexcept final {
 			return {
@@ -63,7 +68,7 @@ class KeelModule: public keel::Module {
 		}
 };
 
-static KeelModule mod;
+static const KeelModule mod;
 const keel::Module *keelModule() noexcept {
 	return &mod;
 }

src/nostalgia/modules/scene/src/keel/keelmodule.cpp

@@ -15,6 +15,11 @@ class SceneModule: public keel::Module {
 		SceneDocToSceneStaticConverter m_sceneDocToSceneStaticConverter;
 
 	public:
+		[[nodiscard]]
+		ox::String id() const noexcept override {
+			return "net.drinkingtea.nostalgia.scene";
+		}
+
 		[[nodiscard]]
 		ox::Vector<keel::TypeDescGenerator> types() const noexcept override {
 			return {
@@ -39,7 +44,7 @@ class SceneModule: public keel::Module {
 
 };
 
-static SceneModule mod;
+static const SceneModule mod;
 const keel::Module *keelModule() noexcept {
 	return &mod;
 }