### Godot version

4.0.2

### System information

Ubuntu 22.04.1 LTS

### Issue description

So far I've found these ones:

![Screenshot from 2023-05-10 17-56-42](https://github.com/godotengine/godot/assets/85438892/b161b14a-cb7d-46fe-8398-816bf354a929)
![Screenshot from 2023-05-10 18-01-02](https://github.com/godotengine/godot/assets/85438892/b0fefcfb-4246-4ebb-ae7b-dd798d7a1d63)

But there are likely more like them. They are invalid, at least in the context I encountered them here (at the beginning of a regular line of script)

### Steps to reproduce

Type `Anchor` in the code editor.

### Minimal reproduction project

N/A
}
							List<MethodInfo> signals;
							scr->get_script_signal_list(&signals);
							for (const MethodInfo &E : signals) {
								int location = p_recursion_depth + _get_signal_location(scr->get_class_name(), E.name);
								ScriptLanguage::CodeCompletionOption option(E.name, ScriptLanguage::CODE_COMPLETION_KIND_SIGNAL, location);
								r_result.insert(option.display, option);
							}
						}
						HashMap<StringName, Variant> constants;
						scr->get_constants(&constants);
						for (const KeyValue<StringName, Variant> &E : constants) {
							int location = p_recursion_depth + _get_constant_location(scr->get_class_name(), E.key);
							ScriptLanguage::CodeCompletionOption option(E.key.operator String(), ScriptLanguage::CODE_COMPLETION_KIND_CONSTANT, location);
							r_result.insert(option.display, option);
						}
					}
					List<MethodInfo> methods;
					scr->get_script_method_list(&methods);
					for (const MethodInfo &E : methods) {
						if (E.name.begins_with("@")) {
							continue;
						}
						int location = p_recursion_depth + _get_method_location(scr->get_class_name(), E.name);
						ScriptLanguage::CodeCompletionOption option(E.name, ScriptLanguage::CODE_COMPLETION_KIND_FUNCTION, location);
						if (E.arguments.size()) {
							option.insert_text += "(";
						} else {
							option.insert_text += "()";
						}