Add editor pseudolocalization support.

Moves localized number formatting methods from TextServer to TranslationServer.
Adds support for localized numbers pseudolocalization.
Adds editor/project manager pseudolocalization support.

SConstruct

@@ -261,6 +261,7 @@ opts.Add(BoolVariable("scu_build", "Use single compilation unit build", False))
 opts.Add("scu_limit", "Max includes per SCU file when using scu_build (determines RAM use)", "0")
 opts.Add(BoolVariable("engine_update_check", "Enable engine update checks in the Project Manager", True))
 opts.Add(BoolVariable("steamapi", "Enable minimal SteamAPI integration for usage time tracking (editor only)", False))
+opts.Add(BoolVariable("editor_pseudolocalization", "Enable editor pseudolocalization support", False))
 
 # Thirdparty libraries
 opts.Add(BoolVariable("builtin_brotli", "Use the built-in Brotli library", True))
@@ -986,6 +987,8 @@ if env["minizip"]:
     env.Append(CPPDEFINES=["MINIZIP_ENABLED"])
 if env["brotli"]:
     env.Append(CPPDEFINES=["BROTLI_ENABLED"])
+if env["editor_pseudolocalization"]:
+    env.Append(CPPDEFINES=["ENABLE_EDITOR_PSEUDOLOCALIZATION"])
 
 if not env["verbose"]:
     methods.no_verbose(env)

core/string/translation_server.compat.inc

@@ -30,9 +30,15 @@
 
 #ifndef DISABLE_DEPRECATED
 
+String TranslationServer::_get_tool_locale_bind_compat_96105() {
+	return get_tool_locale();
+}
+
 void TranslationServer::_bind_compatibility_methods() {
 	ClassDB::bind_compatibility_method(D_METHOD("translate", "message", "context"), &TranslationServer::translate, DEFVAL(""));
 	ClassDB::bind_compatibility_method(D_METHOD("translate_plural", "message", "plural_message", "n", "context"), &TranslationServer::translate_plural, DEFVAL(""));
+
+	ClassDB::bind_compatibility_method(D_METHOD("get_tool_locale"), &TranslationServer::_get_tool_locale_bind_compat_96105);
 }
 
 #endif