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Ack-by: Blaisorblade
Reviewed-by: gares
Reviewed-by: ppedrot
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Reviewed-by: ppedrot
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Reviewed-by: ppedrot
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Reviewed-by: ppedrot
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a module
Reviewed-by: ppedrot
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Reduction.whd_all does not commute with to_constr.
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This probably does not work well in general, and specifically avoids
an anomaly fixing https://github.com/coq/coq/issues/10060
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We reach the anomaly because we call check_fix on a surrounding
fixpoint from the pretyper, and the inner fix hasn't been checked.
Using whd_all isn't useful in the specific reported case but a case
where it's necessary can probably be crafted.
See also #11013
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Close #4502
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I still don't know why it produces a Not_found instead of a regular
error in coqtop but let's forget about it.
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More precisely: The equivalent in #7288 (4dab4fc) to the former call
to ltac_interp_name_env was not done anymore when interpreting
uconstr's.
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Ack-by: JasonGross
Reviewed-by: ppedrot
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Reviewed-by: ppedrot
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This lets the checker verify that we didn't produce nonsense.
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Opening up a lambda should always lift the substitution attached to it.
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AFAICT there is no reason to use interp_open_constr
I used Evd.from_ctx to keep passing evar maps around but maybe we
should be passing ustates instead?
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intropattern entry in #10239)
Reviewed-by: ppedrot
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Reviewed-by: mattam82
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#10239).
The bug was introduced in #10239 which seems to have actually remained
half-done: "wit_intropattern" and "wit_simple_intropattern" did not
share the same representation of values (val_tag) but the code was
assuming (especially the code for "fresh") that this was shared.
We fix it by sharing the internal representation (`dyn` field in
Tacarg.make0) as suggested by @ppedrot in the discussion of #10239
(this allows also to simplify Taccoerce.is_intro_pattern).
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This helps extraction by not building sigT which can lower to Prop by
template polymorphism.
Bug #10757 can probably still be triggered by using module functors to
hide that we're using Prop from Program Fixpoint but that's probably
unfixable without fixing extraction vs template polymorphism in
general.
In passing we notice that Program doesn't know how to telescope SProp
arguments, we would need a bunch of variants of sigma types to deal
with it (or use Box?) so let's figure it out some other time.
We also reuse the universe instance to avoid generating a bunch of
short-lived universes in the universe polymorphic case.
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Libraries are now handled like other modules.
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This could be Prop (for compat with usual Coq), Set (for HoTT),
or actually an arbitrary "i".
Take lower bound of universes into account in pretyping/engine
Reinstate proper elaboration of SProp <= l constraints:
replacing is_small with equality with lbound is _not_ semantics preserving!
lbound = Set
Elaborate template polymorphic inductives with lower bound Prop
This will make more constraints explicit
Check univ constraints with Prop as lower bound for template inductives
Restrict template polymorphic universes to those not bounded from below
Fixes #9294
fix suggested by Matthieu
Try second fix suggested by Matthieu
Take care of modifying elaboration for record declarations as well.
Rebase and export functions for debug
Remove exported functions used while debugging
Add a new typing flag "check_template" and option "-no-template-checl"
This parameterizes the new criterion on template polymorphic inductives
to allow bypassing it (necessary for backward compatibility).
Update checker to the new typing flags structure
Switch on the new template_check flag to allow old unsafe behavior in
indTyping.
This is the only change of code really impacting the kernel, together
with the commit implementing unbounded from below and parameterization
by the lower bound on universes.
Add deprecated option `Unset Template Check` allowing to make proof
scripts work with both 8.9 and 8.10 for a while
Fix `Template Check` option name and test it
Add `Unset Template Check` to Coq89.v
Cooking of inductives and template-check tests
Cleanup test-suite file for template check / universes(template) flags
cookind tests
Move test of `Unset Template Check` to the failure/ dir, but comment it
for now
Template test-suite test explanation
Overlays for PR 9918
Overlay for paramcoq
Add overlay for fiat_parsers (-no-template-check)
Add overlay for fiat_crypto_legacy
Update fiat-crypto legacy overlay
Now it points at the version that I plan on merging; I am hoping that doing this will guard against mistakes by adding an extra check that the target tested by Coq's CI on this branch works with the change I made.
Remove overlay that should no longer be necessary
The setting in the compat file should handle it
Remove now-merged fiat-crypto-legacy overlay
Update `Print Assumptions` to reflect the typing flag for template checking
Fix About and Print Assumptions for template poly, giving info on which
variables are actually polymorphic
Fix pretty printing to print global universe levels properly
Fix printing of template polymorphic universes
Fix pretty printing for template polymorphism on no universe
Fix interaction of template check and universes(template) flag
Fix indTyping to really check if there is any point in polymorphism: the
conclusion sort should be parameterized over at least one local universe
Indtyping fixes for template polymorphic Props
Allow explicit template polymorphism again
Adapt to new indTyping interface
Handle the case of template-polymorphic on no universes
correctly (morally Type0m univ represented as Prop).
Fix check of meaningfullness of template polymorphism in the kernel.
It is now done w.r.t the min_univ, the minimal universe inferred for the
inductive/record type, independently of the user-written annotation
which must only be larger than min_univ. This preserves compatibility
with UniMath and template-polymorphism as it has been implemented up-to
now.
Comment on identity non-template-polymorphism
Remove incorrect universes(template) attributes from ssr
simpl_fun can be meaningfully template-poly, as well as
pred_key (although the use is debatable: it could just
as well be in Prop).
Move `fun_of_simpl` coercion declaration out of section to respect
uniform inheritance
Remove incorrect uses of #[universes(template)] from the stdlib
Extraction of micromega changes due to moving an ind decl out of a section
Remove incorrect uses of #[universes(template)] from plugins
Fix test-suite files, removing incorrect #[universes(template)] attributes
Remove incorrect #[universes(template)] attributes in test-suite
Fix test-suite
Remove overlays as they have been merged upstream.
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The documentation states:
- Norm means the term is fully normalized and cannot create a redex
when substituted
- Cstr means the term is in head normal form and that it can
create a redex when substituted (i.e. constructor, fix, lambda)
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rewrite
Reviewed-by: gares
Reviewed-by: ppedrot
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Reviewed-by: SkySkimmer
Reviewed-by: Zimmi48
Ack-by: ejgallego
Ack-by: mattam82
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Fixes #10300 and #10285.
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This is deemed to be more natural as most of the uses will follow this
structure.
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The previous implementation allowed to dynamically decide whether a section
would be monomorphic or polymorphic at the first definition of a variable
or a constraint. Instead of relying on this delayed decision, we set the
universe polymorphic property directly at the time of the section definition.
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Ack-by: SkySkimmer
Ack-by: mattam82
Reviewed-by: ppedrot
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local fix/cofix (#10197)
Reviewed-by: maximedenes
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Reviewed-by: herbelin
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definitions
Ack-by: SkySkimmer
Reviewed-by: Zimmi48
Ack-by: ggonthier
Reviewed-by: herbelin
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This replaces the mismatched context error, which occurred when
Instance := {} was used with strictly more fields than declared.
Since we later check that field names match those declared for the
instance, now that we reject duplicates we know that there are no
extra fields.
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Type's argument
Reviewed-by: SkySkimmer
Reviewed-by: gares
Reviewed-by: mattam82
Reviewed-by: maximedenes
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We also slightly change the semantics of the `compat` syntax modifier to
re-express it in terms of the `deprecated` attribute, and we deprecate
it in favor of the latter.
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Reviewed-by: SkySkimmer
Ack-by: ejgallego
Ack-by: gares
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