4 files changed, 23 insertions, 0 deletions
diff --git a/core/object/script_language.cpp b/core/object/script_language.cpp
index 3b9b1f9094..d358a8d2a0 100644
--- a/core/object/script_language.cpp
+++ b/core/object/script_language.cpp
@@ -535,6 +535,13 @@ TypedArray<int> ScriptLanguage::CodeCompletionOption::get_option_cached_characte
 	return charac;
 }
 
+void ScriptLanguage::_bind_methods() {
+	BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_AUTO);
+	BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_PASCAL_CASE);
+	BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_SNAKE_CASE);
+	BIND_ENUM_CONSTANT(SCRIPT_NAME_CASING_KEBAB_CASE);
+}
+
 bool PlaceHolderScriptInstance::set(const StringName &p_name, const Variant &p_value) {
 	if (script->is_placeholder_fallback_enabled()) {
 		return false;
diff --git a/core/object/script_language.h b/core/object/script_language.h
index 4217bc9f96..95e9d2b4af 100644
--- a/core/object/script_language.h
+++ b/core/object/script_language.h
@@ -193,6 +193,10 @@ public:
 
 class ScriptLanguage : public Object {
 	GDCLASS(ScriptLanguage, Object)
+
+protected:
+	static void _bind_methods();
+
 public:
 	virtual String get_name() const = 0;
 
@@ -224,6 +228,13 @@ public:
 		TEMPLATE_PROJECT
 	};
 
+	enum ScriptNameCasing {
+		SCRIPT_NAME_CASING_AUTO,
+		SCRIPT_NAME_CASING_PASCAL_CASE,
+		SCRIPT_NAME_CASING_SNAKE_CASE,
+		SCRIPT_NAME_CASING_KEBAB_CASE,
+	};
+
 	struct ScriptTemplate {
 		String inherit = "Object";
 		String name;
@@ -260,6 +271,7 @@ public:
 	virtual bool can_make_function() const { return true; }
 	virtual Error open_in_external_editor(const Ref<Script> &p_script, int p_line, int p_col) { return ERR_UNAVAILABLE; }
 	virtual bool overrides_external_editor() { return false; }
+	virtual ScriptNameCasing preferred_file_name_casing() const { return SCRIPT_NAME_CASING_SNAKE_CASE; }
 
 	// Keep enums in sync with:
 	// scene/gui/code_edit.h - CodeEdit::CodeCompletionKind
@@ -405,6 +417,8 @@ public:
 	virtual ~ScriptLanguage() {}
 };
 
+VARIANT_ENUM_CAST(ScriptLanguage::ScriptNameCasing);
+
 extern uint8_t script_encryption_key[32];
 
 class PlaceHolderScriptInstance : public ScriptInstance {
diff --git a/core/object/script_language_extension.cpp b/core/object/script_language_extension.cpp
index 3a9b171f28..ec99c7cf4e 100644
--- a/core/object/script_language_extension.cpp
+++ b/core/object/script_language_extension.cpp
@@ -112,6 +112,7 @@ void ScriptLanguageExtension::_bind_methods() {
 	GDVIRTUAL_BIND(_can_make_function);
 	GDVIRTUAL_BIND(_open_in_external_editor, "script", "line", "column");
 	GDVIRTUAL_BIND(_overrides_external_editor);
+	GDVIRTUAL_BIND(_preferred_file_name_casing);
 
 	GDVIRTUAL_BIND(_complete_code, "code", "path", "owner");
 	GDVIRTUAL_BIND(_lookup_code, "code", "symbol", "path", "owner");
diff --git a/core/object/script_language_extension.h b/core/object/script_language_extension.h
index aa0788b8bf..18105ec8cd 100644
--- a/core/object/script_language_extension.h
+++ b/core/object/script_language_extension.h
@@ -376,6 +376,7 @@ public:
 	EXBIND0RC(bool, can_make_function)
 	EXBIND3R(Error, open_in_external_editor, const Ref<Script> &, int, int)
 	EXBIND0R(bool, overrides_external_editor)
+	EXBIND0RC(ScriptNameCasing, preferred_file_name_casing)
 
 	GDVIRTUAL3RC(Dictionary, _complete_code, const String &, const String &, Object *)