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Readability of lex.fsl #17817

Merged
merged 14 commits into from
Oct 10, 2024
Merged

Readability of lex.fsl #17817

merged 14 commits into from
Oct 10, 2024

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Martin521
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@Martin521 Martin521 commented Sep 30, 2024 •
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Description

I found reading and understanding lex.fsl not easy. To hopefully make it easier for future newcomers, I have tried to remove some hurdles.

This PR

  • renames some items to differentiate them from other items with the same name
  • removes the dysfunctional threading of a token through shouldStartLine
  • adds tests for the preprocessing directives (including one to guard the anywhite* "#if" ident_char+ rule of the lexer)
  • simplifies some code
  • adds a comment to explain the skip parameter
  • adds a comment to explain HASH_IDENT
  • intends not to change the lexing process and results in any way

I haven't tackled the big issues ;-)

Checklist

  • Test cases added

@Martin521 Martin521 requested a review from a team as a code owner September 30, 2024 09:17
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github-actions bot commented Sep 30, 2024 •
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⚠️ Release notes required, but author opted out

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Author opted out of release notes, check is disabled for this pull request.
cc @dotnet/fsharp-team-msft

@Martin521 Martin521 marked this pull request as draft September 30, 2024 10:09
@Martin521 Martin521 marked this pull request as ready for review September 30, 2024 18:08
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Can somebody add the NO_RELEASE_NOTES label?

@edgarfgp edgarfgp added the NO_RELEASE_NOTES Label for pull requests which signals, that user opted-out of providing release notes label Oct 2, 2024
@Martin521 Martin521 force-pushed the lexing-deobfuscation branch from 46794e5 to 905f4cc Compare October 9, 2024 13:58
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This can be merged

@abonie abonie merged commit 789b067 into dotnet:main Oct 10, 2024
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This was referenced Oct 31, 2024
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@dotnet-bot dotnet-bot mentioned this pull request Nov 19, 2024
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@T-Gro T-Gro T-Gro left review comments

@abonie abonie abonie approved these changes

@vzarytovskii vzarytovskii vzarytovskii approved these changes

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