a few days ago I posted this question on the ANTLR mailinglist, but didn\'t recieve any support. So I\'m hoping you guys here can help me out:
I\'m trying to write a grammar for a simple language that has left recursion, but I don\'t really understand how.
Antlr3 produces the following output to System.out, while doing everything else correctly: line 0:0 null
I took a dummy language for example: It simply accepts one or more \'!\'. its l开发者_Python百科exer and grammar rules are:
Firstly I know this grammar doesn\'t make sense but it was created to test out the ANTLR rule priority behaviour
I am using antlr 3 and Antlrworks. Here is my setup: lexer Base //contains basic tokens - like WS, number etc.
i\'m trying to get line number in an ANTLR3 tree grammar (the code generated by ANTLR3 is of the TreeParser class).
I\'ve got an antlr grammar that has a rule like so: rule: ID (COMMA ID)* ; where ID is a lexer rule for matching a typical variable name and comma is a lexer rule that matches a comma.So the rule m
I have created the following grammar: I would like some idea how to build an interpreter that returns a tree in java, which I can later use for printing in the screen, Im bit stack on how to start on
Let\'s say I\'ve something like: rule:(rule2 | rule3) {;}; //How can i get at this point rule2 or rule3 text?
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