lierdakil / lierdakil/alpaca-parser-generator
Partial pattern in LR builder
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- Dominant language
- Haskell
- Stars
- 5
- Forks
- 0
- PR merge metrics
- No merged PRs in 30d
Description
https://github.com/lierdakil/alpaca-parser-generator/blob/f6637d29f49d6b2d13817b989fa5957e420c9e00/lib/Parser/LR/Build.hs#L173
Consider raising an error instead.
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 at lib/Parser/LR/Build.hs around line 173 and inspect the partial pattern referenced by the issue. Determine which unmatched case currently produces the partial-pattern behavior, then make completion result in an explicit error instead; done means that case no longer relies on a partial pattern.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- haskell
- Domain
- compilers
- Issue type
- Bug
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100