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Syntax highlighting issue when @ appears as first character after line continuation when indexing is present

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Assessment

Difficulty
3/5
Estimated time
1-2 days
Newbie friendliness
35/100
Issue type
Bug
Clarity
Mostly clear
Activity status
Stale
Tech stack
javascript, python
Domain
tooling

Research direction

Reproduce the reported Python snippet in a supported editor, comparing highlighting when the line continuation appears before versus after @ and an indexed expression follows. Trace the syntax-highlighting grammar entry point for line continuations and @ expressions; done means both equivalent forms receive the same highlighting.

Written by the indexing model from the issue text.

Description

  • Editor name and version: VS Code 1.71

  • Platform: Any

  • Color scheme: NA

  • MagicPython version:

  • A sreenshot:
    I would expect syntax highlighting to be the same irrespective of whether the line is broken before or after the @ operator.
    image

  • 5-10 lines of surrounding code:

# Define variables so pylance doesn't complain.
long_variable_name = other_long_variable_name = 1

long_variable_name \
    @ other_long_variable_name['some_index']

long_variable_name @ \
    other_long_variable_name['some_index']

Originally from @tillahoffmann in https://github.com/microsoft/vscode/issues/161435

Dominant language
JavaScript
Stars
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Forks
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PR merge metrics
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