Godot editor's script editor. [b]Note:[/b] This class shouldn't be instantiated directly. Instead, access the singleton using [method EditorInterface.get_script_editor]. Returns a [Script] that is currently active in editor. Returns an array with all [Script] objects which are currently open in editor. Goes to the specified line in the current script. Opens the script create dialog. The script will extend [code]base_name[/code]. The file extension can be omitted from [code]base_path[/code]. It will be added based on the selected scripting language. Emitted when user changed active script. Argument is a freshly activated [Script]. Emitted when editor is about to close the active script. Argument is a [Script] that is going to be closed.