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How can I make the lexer exit upon first lexical error?

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How can I make the lexer exit upon first lexical error?

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v3.1 required (but change state to “this” and should be ok in 3.0.1) You need to override the default behavior which tries to recover and keep lexing. There are two approaches depending upon if you care about the lexer throwing a proper RecognitionException or not. If not, just override …

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