### Godot version

4.0.3

### System information

Win7

### Issue description

![image](https://github.com/godotengine/godot/assets/28286958/abec9d3c-e078-424c-9430-d9fe8897aad6)


### Steps to reproduce

1. Create shader
2. Add uint with hex, e.g. 0xffffu

### Minimal reproduction project

N/A
}
					} else if (tk.type != TK_SEMICOLON) {
						_set_expected_error(";", ".");
						return ERR_PARSE_ERROR;
					}
				} else {
					if (tk.type != TK_SEMICOLON) {
						if (current_uniform_group_name.is_empty()) {
							_set_error(RTR("Expected an uniform group identifier."));
						} else {
							_set_error(RTR("Expected an uniform group identifier or `;`."));
						}
						return ERR_PARSE_ERROR;
					} else if (current_uniform_group_name.is_empty()) {
						_set_error(RTR("Group needs to be opened before."));
						return ERR_PARSE_ERROR;
					} else {
						current_uniform_group_name = "";
						current_uniform_subgroup_name = "";
					}
				}
			} break;
			case TK_SHADER_TYPE: {
				_set_error(RTR("Shader type is already defined."));
				return ERR_PARSE_ERROR;
			} break;
			default: {
				
				bool is_constant = false;
				bool is_struct = false;