Reject proof harnesses with arguments #2132
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- Change `#[kani::proof]` expansion so it doesn't include `#[no_mangle]` but includes `[allow(dead_code)]`. Fixes model-checking#661 and fixes model-checking#689. - Add a check for harnesses with arguments and merge the checks into one function. Fixes model-checking#1919
tedinski
approved these changes
Jan 17, 2023
Contributor
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One other thing: Can we change the PR title? Want to ensure that whoever write the release notes will notice that this is a possible "breaking" change. Maybe:
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zhassan-aws
reviewed
Jan 17, 2023
| let (proof_attributes, _) = partition_kanitool_attributes(all_attributes); | ||
| /// Check that if an item is tagged with a proof_attribute, it is a valid harness. | ||
| fn check_proof_attribute(&self, def_id: DefId, proof_attributes: Vec<&Attribute>) { | ||
| if !proof_attributes.is_empty() { |
Contributor
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This condition is also checked by the callers. Should we remove it and turn it into an assert?
Co-authored-by: Zyad Hassan <[email protected]>
I had forgotten to add the tests before. Sorry!
zhassan-aws
approved these changes
Jan 18, 2023
celinval
changed the title
#[kani::proof] handling
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Description of changes:
Change
#[kani::proof]expansion so it doesn't include#[no_mangle]but includes[allow(dead_code)]. (RMC should use fully qualified name for harness selection and it should not rely onno_mangleattribute #661 and Introduce rmctool attribute validation #689).Add a check for harnesses with arguments and merge the checks into one function (Inconsistent behavior when functions with parameters are used as harnesses #1919).
Resolved issues:
Fixes #661
Fixes #689
Fixes #1919
Related RFC:
Call-outs:
Testing:
How is this change tested? New test
Is this a refactor change?
Checklist
By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 and MIT licenses.