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constr in Constr
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This shall eventually allow to use contexts of declarations in the
definition of the "Case" constructor.
Basically, this means that Constr now includes Context and that the
"t" types of Context which were specialized on constr are not defined
in Constr (unfortunately using a heavy boilerplate).
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constants
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obligations.
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Apparently it was not useful. I don't remember what I was thinking
when I added it.
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subtyping.
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Highly spaghetti code, hopefully works.
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This brings more compatibility with handling of mutual primitive records
in the kernel.
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The universe context was dropped even though it isn't added to the
global universes yet. Keep it so that it is properly defined with
the constant the expanded obligation appears in.
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When inferring [u <= v+k] I replaced the exception and instead add
[u <= v]. This is trivially sound and it doesn't seem possible to have
the one without the other (except specially for [Set <= v+k] which was
already handled).
I don't know an example where this used to fail and now succeeds (the
point was to remove an anomaly, but the example
~~~
Module Type SG. Definition DG := Type. End SG.
Module MG : SG. Definition DG := Type : Type. Fail End MG.
~~~
now fails with universe inconsistency.
Fix #7695 (soundness bug!).
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induction schemes
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reference was defined as Ident or Qualid, but the qualid type already
permits empty paths. So we had effectively two representations for
unqualified names, that were not seen as equal by eq_reference.
We remove the reference type and replace its uses by qualid.
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of submodules.
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Currently, if one of the inductives is non recursive, it defaults to a
case analysis schems taking fewer predicates and methods just for that
inductive. This irregularity prevents doing a combined scheme afterwards
to gather all eliminators into one, as combined scheme expects all the
eliminators to have the same predicates and methods. I have a use case
in building function graphs in Equations where some of the inductives
might not be recursive but I expect many other use cases could exist.
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To be removed in 8.10.
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We move the last 3 types to more adequate places.
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- move_location to proofs/logic.
- intro_pattern_naming to Namegen.
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Fix #5012.
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"rename" flag
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Most of it seems straightforward.
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AFAICT this tactic is always used on ground terms.
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The error is now:
Syntax error: [constr:binder] expected after 'Context' (in [vernac:gallina_ext]).
Close #7452.
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Previously to this patch, `Notation_term` contained information about
both parsing and notation interpretation.
We split notation grammar to a file `parsing/notation_gram` as to make
`interp/` not to depend on some parsing structures such as entries.
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Continuing the interface cleanup we place `Constrexpr` in the
internalization module, which is the one that eliminates it.
This slims down `pretyping` considerably, including removing the
`Univdecls` module which existed only due to bad dependency ordering
in the first place. Thanks to @ Skyskimmer we also remove a duplicate
`univ_decl` definition among `Misctypes` and `UState`.
This is mostly a proof of concept yet as it depends on quite a few
patches of the tree. For sure some tweaks will be necessary, but it
should be good for review now.
IMO the tree is now in a state where we can could easy eliminate more
than 10 modules without any impact, IMHO this is a net saving API-wise
and would help people to understand the structure of the code better.
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Close #7562.
[api] move hint_info ast to tactics.
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We remove most of what was deprecated in `Term`. Now, `intf` and
`kernel` are almost deprecation-free, tho I am not very convinced
about the whole `Term -> Constr` renaming but I'm afraid there is no
way back.
Inconsistencies with the constructor policy (see #6440) remain along
the code-base and I'm afraid I don't see a plan to reconcile them.
The `Sorts` deprecation is hard to finalize, opening `Sorts` is not a
good idea as someone added a `List` module inside it.
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When creating a scheme for bifinite inductive types, we do not create a
fixpoint.
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We now have only two notions of environments in the kernel: env and
safe_env.
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We make the vernacular implementation self-contained in the `vernac/`
directory. To this extent we relocate the parser, printer, and AST to
the `vernac/` directory, and move a couple of hint-related types to
`Hints`, where they do indeed belong.
IMO this makes the code easier to understand, and provides a better
modularity of the codebase as now all things under `tactics` have 0
knowledge about vernaculars.
The vernacular extension machinery has also been moved to `vernac/`,
this will help when #6171 [proof state cleanup] is completed along
with a stronger typing for vernacular interpretation that can
distinguish different types of effects vernacular commands can perform.
This PR introduces some very minor source-level incompatibilities due
to a different module layering [thus deprecating is not
possible]. Impact should be relatively minor.
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Maxime Dénès
Gaëtan Gilbert
Hugo Herbelin
Pierre-Marie Pédrot
Matthieu Sozeau
Matthieu Sozeau
Enrico Tassi
Emilio Jesus Gallego Arias
Armaël Guéneau