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Editorial Team
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Asked: 2026-06-15T08:43:09+00:00

Here is the example. This ($type) is not recognised by ANTLR4. Number //options {

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Here is the example. This ($type) is not recognised by ANTLR4.

Number //options { backtrack=true; }
  :  IntegerLiteral { $type = IntegerLiteral; }
  |  FloatLiteral { $type = FloatLiteral; }
  | IntegerLiteral { $type = IntegerLiteral; }
  ;

What could this be replaced by?

Thank you.

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1 Answer

  1. Editorial Team

    In ANTLR v4, do:

    Number
 : IntegerLiteral {setType(IntegerLiteral);}
 | ...
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