8000 Poor error message when a keyword is used as an identifier in a library name · Issue #35511 · dart-lang/sdk · GitHub
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Poor error message when a keyword is used as an identifier in a library name #35511

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paulyoung opened this issue Dec 28, 2018 · 5 comments
Open

Poor error message when a keyword is used as an identifier in a library name #35511

paulyoung opened this issue Dec 28, 2018 · 5 comments
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legacy-area-front-end Legacy: Use area-dart-model instead. model-error-recovery Error recovery in analyzer/CFE. P3 A lower priority bug or feature request type-enhancement A request for a change that isn't a bug

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@paulyoung
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I created a library with the following name:

library data.void;

I got these errors from dartanalyzer:

Analyzing my-project...
  error • Expected an identifier at lib/src/data/void.dart:1:14 • missing_identifier
  error • Expected to find ';' at lib/src/data/void.dart:1:14 • expected_token
  error • Expected an identifier at lib/src/data/void.dart:1:18 • missing_identifier
3 errors found.

I get no errors if I rename the library:

library data.void_;

I'm using dart 2.1.0 (stable) on macOS High Sierra 10.13.6 (17G3025)
@natebosch
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The CFE complains too - I think void might be a reserved word and this is not allowed.

@bwilkerson
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Yes, void is a reserved word, and reserved words cannot be used as identifiers. This is working as intended.

@paulyoung
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Perhaps the error message could be improved?

@bwilkerson
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Yes, it could definitely be better.

@bwilkerson bwilkerson reopened this Dec 29, 2018
@bwilkerson bwilkerson changed the title dartanalyzer complains if "void" is used in a library name Poor error message when a keyword is used as an identifier in a library name Dec 29, 2018
@bwilkerson bwilkerson added legacy-area-analyzer Use area-devexp instead. devexp-ux type-enhancement A request for a change that isn't a bug labels Dec 29, 2018
@stereotype441 stereotype441 added the P2 A bug or feature request we're likely to work on label Jan 2, 2019
@srawlins
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This still reports 3 errors.

@srawlins srawlins added legacy-area-front-end Legacy: Use area-dart-model instead. front-end-fasta-recovery and removed devexp-ux legacy-area-analyzer Use area-devexp instead. labels Jun 15, 2020
@jensjoha jensjoha added P3 A lower priority bug or feature request and removed P2 A bug or feature request we're likely to work on labels Jun 15, 2021
@johnniwinther johnniwinther added model-error-recovery Error recovery in analyzer/CFE. and removed front-end-fasta-recovery labels Apr 1, 2025
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legacy-area-front-end Legacy: Use area-dart-model instead. model-error-recovery Error recovery in analyzer/CFE. P3 A lower priority bug or feature request type-enhancement A request for a change that isn't a bug
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@paulyoung @srawlins @stereotype441 @bwilkerson @natebosch @johnniwinther @jensjoha
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