Wrong tail arrow drawn with duplicated identifier
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check-syntax
- Dominant language
- Racket
- Stars
- 516
- Forks
- 103
- PR merge metrics
- No merged PRs in 30d
Description
In the following program, check-syntax draws a tail arrow from the y to the let inside the macro definition.
#lang racket
(define-syntax-rule (foo x)
(begin
(define x
(let ([x 1])
x))))
(foo y)
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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 running check-syntax on the program in the issue and inspect how the tail arrow is produced for the duplicated identifier inside the macro definition. Done means the example no longer draws the tail arrow from y to the let binding; the issue does not name a source file or test to inspect.
Written by the indexing model from the issue text.
Assessment
- Domain
- tooling
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Needs clarification
- Newbie friendliness
- 25/100