https://bugs.llvm.org/show_bug.cgi?id=41787
Bug ID: 41787
Summary: clang-cl and lld-link: Come up with a way to make typo
correction work for '/' style flags
Product: clang
Version: unspecified
Hardware: PC
OS: All
Status: NEW
Severity: enhancement
Priority: P
Component: Driver
Assignee: unassignedclangb...@nondot.org
Reporter: nicolaswe...@gmx.de
CC: llvm-bugs@lists.llvm.org, neeil...@live.com,
richard-l...@metafoo.co.uk
clang-cl and lld-link accept /foo flags in addition to -foo flags.
Since /foo is also a valid path name on non-win, the logic goes like so:
1. If /foo is a known flag, treat it as flag (use -- to treat it as file name)
2. If it isn't, treat it as a file name
So if a /foo flag has a typo, we treat it as a filename, hence don't show typo
suggestions for it, and then show a "file not found" diagnostic.
We should find a way to make typo suggestions work for /foo style flags.
Ideas:
- Have typo suggestions for filenames as well, and have a unified candidate
list for both (idea from ruiu on issue 37006)
- Add "3. If file of this name doesn't exist, consider it as a possible typo of
a flag"
The former is a nicer user experience since it also gives us spelling
suggestions for typos in file names, but it requires getting a list of files
off disk (only in error cases though) and is more work to implement.
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