Phan fails to warn about undeclared classes in template arguments
Open
Nobody has claimed this yet.
enhancement
- Dominant language
- PHP
- Stars
- 5.6k
- Forks
- 365
- Avg merge
- 1h 25m
- Merged PRs (30d)
- 6
Description
Observed: No warning
Expected: should emit PhanUndeclaredTypeReturnType
<?php
/** @return Generator<Missing> */
function test(object $x) {
yield $x;
}
Contributor guide
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 with the provided PHP reproducer and trace how Phan analyzes generic template arguments and emits PhanUndeclaredTypeReturnType. Done means the example reports the missing class as an undeclared type warning without introducing unrelated warnings.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- php
- Domain
- devtools
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100