gren-lang / gren-lang/compiler-common
The new gren-based parser cannot handle block comments in some places
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Description
As part of "gren format" testing, I created code with comments all over the place.
Some placements of block comments cannot be parsed by the new parser.
I have placed the comprehensive source file in this repo:
https://github.com/gilramir/gren-bug-reports
under 2026-05-21-comment-placement
You can view the file here: https://github.com/gilramir/gren-bug-reports/blob/main/2026-05-21-comment-placement/src/Broken.gren
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Start by inspecting 2026-05-21-comment-placement/src/Broken.gren in the gren-bug-reports repository and run it through the new gren format parser to reproduce the block-comment failures. Identify which comment placements are rejected; done means the comprehensive source file parses successfully in all of the reported placements.
Written by the indexing model from the issue text.
Assessment
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Quiet
- Clarity
- Mostly clear
- Newbie friendliness
- 52/100