Can Antlr ignore some of the keyword?

I’m new to Antlr but I’m trying to change some of the Grammar from my existing project. The example of the grammar looks like this … factor : ava | NOT^ factor | (LPAREN! expr RPAREN!) ; …

How to instruct the grammar to NOT generate certain methods in the ANTLR listener?

I have this grammar: foo : bar EOF; bar : ‘hello’; The listener interface, which ANTLR generates, contains these four methods: public void enterFoo(final FooParser.LicenseContext ctx); public void …

Hierarchical Visitor Pattern and State Management

I am trying to find a good way to manage state with the hierarchical visitor pattern and ANTLRs autogenerated base visitor class. While the example below is something silly I made up, I believe it …

ANTLR Visitor Implementation For ArrayInitVisitorImpl

I am trying to build a visitor implementation that will convert a string array to unicode. I am using the following grammar: grammar ArrayInit; init : ‘{‘ value (‘,’ value)* ‘}’ ; value : init …

antlr4 – get left and right sibling of rule context

An easy question, on which I cannot find something useful in the API docs: is there a way to get the left and right sibling of a ParserRuleContext? Say I have in my .g4: identifiers : identifier (‘,’…