Question

Let’s say I have a grammar file with this code.

// START:members
@header {
using System.Collections.Generic;
}

@members {
public static Dictionary<string, string> memory = new Dictionary<string, string>();
}

ANTLR puts the code in Parser like this.

public partial class Eval : TreeParser
{
 ... 

    /** Map variable name to Integer object holding value */
    //HashMap memory = new HashMap();
    Dictionary<string, int> memory = new Dictionary<string, int>();

Is there way to put the code in Lexer not Parser with ANTLR?

Answer 1

@header and @members is short for @parser::header and @parser::members respectively.

To put code in the lexer, do: @lexer::header and @lexer::members.