Is there NOT logic in ANTLR? Im basically trying to negate a rule that i have and was wondering if its possible, also is there AND logic?

During taking advantage of ANTLR 3.3, I'm changing the current grammar to support inputs without parenthesis too. Here's the first version of my grammar : grammar PropLogic; NOT : '!' ; OR : '+...

I'm trying to write a grammar to parse Media wiki's wiki syntax, and after this the Creole syntax too (unfortunately an existing Creole grammar doesn't work in Antlr 3). My issue right now is bein...

Firstly I know this grammar doesn't make sense but it was created to test out the ANTLR rule priority behaviour grammar test; options { output=AST; backtrack=true; memoize=true; } rule_list_i...

I'm having trouble getting the "@header" or any other @ rule to work in ANTLR. With a very basic grammer, like this: grammar test; options { language = CSharp2; } @header { using System.Collec...

I want to create a token from '..' in the ANTLR3 lexer which will be used to string together expressions like a..b // [1] c .. x // [2] 1..2 // [3] 3 .. 4 // [4] So, I have added, DOTDOTSEP : ...

I was having difficulty figuring out what does ^ and ! stand for in ANTLR grammar terminology.

What is a semantic predicate in ANTLR?

I need a little guidance in writing a grammar to parse the log file of the game Aion. I've decided upon using Antlr3 (because it seems to be a tool that can do the job and I figured it's good for m...

I am attempting to get a basic ECMAScript parser working, and found a complete ANTLR grammar for ECMAScript 3, which appears to compile ok and produces the appropriate Lexer/Parser/Walker Java file...

I am trying to pick out all tokens in a text and need to match all Ascii and Unicode characters, so here is how I have laid them out. fragment CHAR : ('A'..'Z') | ('a'..'z'); fragment DIGIT : ('0'...

I want to generate C code. I will not be reading from an input file, one line at a time (as, for instance, a compiler might). Rather, I will be parsing user input as it arrives, one line at a time....

I'm still on my quest for a really simple language and I know now that there are none. So I'm writing one myself using ANTLR3. I found a really great example in this answer: Exp.g: grammar Exp...