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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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Close #7562.
[api] move hint_info ast to tactics.
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In #6092, `global_reference` was moved to `kernel`. It makes sense to
go further and use the current kernel style for names.
This has a good effect on the dependency graph, as some core modules
don't depend on library anymore.
A question about providing equality for the GloRef module remains, as
there are two different notions of equality for constants. In that
sense, `KerPair` seems suspicious and at some point it should be
looked at.
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`hint_info_expr`, `hint_info_gen` do conceptually belong to the
typeclasses modules and should be able to be used without a dependency
on the concrete vernacular syntax.
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We bootstrap the circular evar_map <-> econstr dependency by moving
the internal EConstr.API module to Evd.MiniEConstr. Then we make the
Evd functions use econstr.
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Some code in typeclasses was even breaking the invariant that
use_polymorphic_flag should not be called twice, but that code was
morally dead it seems, so we remove it.
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Typeclasses.typeclass
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We fix quite a few types, and perform some cleanup wrt to the
evar_map, in particular we prefer to thread it now as otherwise
it may become trickier to check when we are using the correct one.
Thanks to @SkySkimmer for lots of comments and bug-finding.
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New module introduced in OCaml 4.05 I think, can create problems when
linking with the OCaml toplevel for `Drop`.
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There don't really bring anything, we also correct some minor nits
with the printing function.
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We do up to `Term` which is the main bulk of the changes.
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This will allow to merge back `Names` with `API.Names`
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This essentially means storing the abstract universe context in the typeclass
data, and abstracting it when necessary.
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We return the abstract context instead of an arbitrary instantiation.
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Instead of returning either an instance or the set of constraints, we rather
return the corresponding abstracted context. We also push back all uses of
abstraction-breaking calls from these functions out of the kernel.
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Also giving the proper local flag to the hint registration, even on a
Global instance, since the instance discharge manage itself the
redefinition of a hint.
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It stores both universe constraints and subtyping information for
blocks of inductive declarations.
At this stage the there is no inference or checking implemented. The
subtyping information simply encodes equality of levels for the condition of
subtyping.
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This is the continuation of #244, we now deprecate `CErrors.error`,
the single entry point in Coq is `user_err`.
The rationale is to allow for easier grepping, and to ease a future
cleanup of error messages. In particular, we would like to
systematically classify all error messages raised by Coq and be sure
they are properly documented.
We restore the two functions removed in #244 to improve compatibility,
but mark them deprecated.
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Inspired by https://coq.inria.fr/bugs/show_bug.cgi?id=5229 , which
this PR solves, I propose to remove support for non-synchronous
options.
It seems the few uses of `optsync = false` we legacy and shouldn't
have any impact.
Moreover, non synchronous options may create particularly tricky
situations as for instance, they won't be propagated to workers.
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The transition has been done a bit brutally. I think we can still save a
lot of useless normalizations here and there by providing the right API
in EConstr. Nonetheless, this is a first step.
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This removes quite a few unsafe casts. Unluckily, I had to reintroduce
the old non-module based names for these data structures, because I could
not reproduce easily the same hierarchy in EConstr.
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This allows the decoupling of the notions of context containing kernel
terms and context containing tactic-level terms.
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In addition to a priority, cleanup the interfaces for passing this
information as well. The pattern, if given, takes priority over the
inferred one.
We only allow Existing Instances gr ... gr | pri. for now, without
pattern, as before.
Make the API compatible to 8.5 as well.
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This legacy function is still used by destruct, and is a hotspot in various
examples from the wild. We hijack the check from Typeclass and perform a
double check at once not to mark unresolvable evars in vain a lot.
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"Context.Named.{to,of}_rel_decl"
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