feat: Add fixpoints#30
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@@ Coverage Diff @@
## main #30 +/- ##
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- Coverage 45.74% 41.97% -3.77%
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Files 13 13
Lines 811 910 +99
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+ Hits 371 382 +11
- Misses 440 528 +88
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TDiazT
reviewed
Dec 23, 2022
| { fix_id : Name.t | ||
| ; fix_body : term | ||
| ; fix_type : term | ||
| ; fix_rarg : int (* index of the recursive argument *) |
Collaborator
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Let's link the example in metacoq?
| | Ok (HInductive i), Ok (HInductive j) -> i = j | ||
| | _, _ -> assert false | ||
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| let rec is_fix_neutral (t : term) : bool = |
Collaborator
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Maybe a small explanation as well?
| | Universe _ | Unknown (Universe _) | Err (Universe _) | Inductive _ -> true | ||
| | _ -> is_neutral term | ||
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| let is_fix_canonical term : bool = |
| term, KCast_term (source, target) :: cont | ||
| | term, KCast_term (source, target) :: cont when is_canonical term -> | ||
| Cast { source; target; term }, cont | ||
| | term, KFix_app (fi, args) :: cont when is_canonical term -> |
Collaborator
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Maybe we can add some explanation, we didn't remember it lol
| | Match { ind; discr; z; pred; f; branches }, _ -> | ||
| discr, KMatch_discr (ind, z, pred, f, branches) :: cont | ||
| | Fixpoint fi, cont -> | ||
| let rec get_args acc n cont = |
| type i = (term, errors) result | ||
| type c = (unit, errors) result | ||
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| let fix_guard _term = Ok () |
Collaborator
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Maybe leave this one for the next PR?
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