Base Syntax highlighter resource for the [ScriptEditor]. Base syntax highlighter resource all editor syntax highlighters extend from, it is used in the [ScriptEditor]. Add a syntax highlighter to an individual script by calling [method ScriptEditorBase.add_syntax_highlighter]. To apply to all scripts on open, call [method ScriptEditor.register_syntax_highlighter] Virtual method which can be overridden to return the syntax highlighter name. Virtual method which can be overridden to return the supported file extensions. Virtual method which can be overridden to return the supported language names.