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Asked: 2026-06-04T17:54:54+00:00

Let’s suppose I have two grammars (and that there is a Lexer defined somewhere),

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Let’s suppose I have two grammars (and that there is a Lexer defined somewhere), ParserA and ParserB.

In ParserA I have the following code:

parser grammar ParserA;

classDeclaration
scope {
    ST mList;
}
...

ParserB is something like:

parser grammar ParserB;

import ParserA;

methodDeclaration : something something { $classDeclaration::mList.add(...) };

The code in the action will fail to compile (by javac) since classDeclaration is in a different class (and file). Any tips on how to fix it?

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1 Answer

  1. Editorial Team

    Any tips on how to fix it?

    No, there’s (AFAIK) no ANTLR shortcut here: there’s no communication possible between imported grammars (either by using scopes or by providing parameters to imported grammar rules).

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