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  1. JDK
  2. JDK-8048805

Request to investigate and update lexer error recovery in javac

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    • Icon: Enhancement Enhancement
    • Resolution: Fixed
    • Icon: P3 P3
    • 9
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    • tools
    • b24
    • Verified

        During the creation of golden files for negative unicode tests in langtools regression ws (JDK-8044080),
        following diagnostic messages were generated for tools/javac/unicode/TripleQuote.java

        TripleQuote.java:12:14: compiler.err.empty.char.lit
        TripleQuote.java:12:20: compiler.err.empty.char.lit
        TripleQuote.java:12:21: compiler.err.unclosed.char.lit
        TripleQuote.java:13:14: compiler.err.empty.char.lit
        TripleQuote.java:13:15: compiler.err.empty.char.lit
        TripleQuote.java:13:16: compiler.err.unclosed.char.lit
        6 errors

        As per Jon's comments, it looks like poor recovery in lexer that could be improved to make javac work better.

              jlahoda Jan Lahoda
              sogoel Sonali Goel (Inactive)
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                Created:
                Updated:
                Resolved: