Inheritance diagram for rve_interface_gen.antlr3.recognizers.TokenSource:
Public Member Functions | |
| def | __iter__ |
| def | next |
| def | nextToken |
Detailed Description
@brief Abstract baseclass for token producers. A source of tokens must provide a sequence of tokens via nextToken() and also must reveal it's source of characters; CommonToken's text is computed from a CharStream; it only store indices into the char stream. Errors from the lexer are never passed to the parser. Either you want to keep going or you do not upon token recognition error. If you do not want to continue lexing then you do not want to continue parsing. Just throw an exception not under RecognitionException and Java will naturally toss you all the way out of the recognizers. If you want to continue lexing then you should not throw an exception to the parser--it has already requested a token. Keep lexing until you get a valid one. Just report errors and keep going, looking for a valid token.
Definition at line 1008 of file recognizers.py.
Member Function Documentation
The TokenSource is an interator. The iteration will not include the final EOF token, see also the note for the next() method.
Definition at line 1036 of file recognizers.py.
Return next token or raise StopIteration. Note that this will raise StopIteration when hitting the EOF token, so EOF will not be part of the iteration.
Definition at line 1047 of file recognizers.py.
Return a Token object from your input stream (usually a CharStream). Do not fail/return upon lexing error; keep chewing on the characters until you get a good one; errors are not passed through to the parser.
Reimplemented in rve_interface_gen.antlr3.recognizers.Lexer.
Definition at line 1026 of file recognizers.py.
The documentation for this class was generated from the following file: