| Class | Description | 
                            | AntlrASTProcessSnippets | Process to decorate antlr AST with ending line/col info, and if
 possible the snippet of source from the start/end line/col for each node. | 
                            | AntlrParserPlugin | A parser plugin which adapts the JSR Antlr Parser to the Groovy runtime. | 
                            | AntlrParserPluginFactory |  | 
                            | EnumHelper |  | 
                            | GroovySourceAST | We have an AST subclass so we can track source information. | 
                            | GroovySourceToken | This is a Token sub class to track line information | 
                            | LexerFrame | Swing application to graphically display the tokens produced by the lexer. | 
                            | LineColumn | An object representing a line and column position | 
                            | SourceBuffer | A simple buffer that provides line/col access to chunks of source code
 held within itself. | 
                            | UnicodeEscapingReader | Translates GLS-defined unicode escapes into characters. | 
                            | UnicodeLexerSharedInputState | GRECLIPSE-805 Support for unicode escape sequences |