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Reviewed-by: SkySkimmer
Ack-by: ppedrot
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Not pretty, but it had to be done some day, as `Globnames` seems to be
on the way out.
I have taken the opportunity to reduce the number of `open` in the
codebase.
The qualified style would indeed allow us to use a bit nicer names
`GlobRef.Inductive` instead of `IndRef`, etc... once we have the
tooling to do large-scale refactoring that could be tried.
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The changes are large due to `Pervasives` deprecation:
- the `Pervasives` module has been deprecated in favor of `Stdlib`, we
have opted for introducing a few wrapping functions in `Util` and
just unqualified the rest of occurrences. We avoid the shims as in
the previous attempt.
- a bug regarding partial application have been fixed.
- some formatting functions have been deprecated, but previous
versions don't include a replacement, thus the warning has been
disabled.
We may want to clean up things a bit more, in particular
w.r.t. modules once we can move to OCaml 4.07 as the minimum required
version.
Note that there is a clash between 4.08.0 modules `Option` and `Int`
and Coq's ones. It is not clear if we should resolve that clash or
not, see PR #10469 for more discussion.
On the good side, OCaml 4.08.0 does provide a few interesting
functionalities, including nice new warnings useful for devs.
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Reviewed-by: ejgallego
Reviewed-by: ppedrot
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We make a few libobject constructions (Module, Module Type,
Include,...) first-class and rephrase their handling in direct style (removing
the inversion of control). This makes it easier to define iterators over
objects without hacks like inspecting the tags of dynamic objects.
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It prints a goal given its internal goal id and the Stm state id.
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Reviewed-by: SkySkimmer
Reviewed-by: gares
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This enforces more invariants statically.
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We had to move the private opaque constraints out of the constant declaration
into the opaque table. The API is not very pretty yet due to a pervasive
confusion between monomorphic global constraints and polymorphic local ones,
but once we get rid of futures in the kernel this should be magically solved.
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Conversely, Type existential variables now (explicitly) cover the Set
case.
Similarly for Prop and SProp.
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We consistently use:
- UUnknown: to mean a rigid anonymous universe
(written Type in instances and Type as a sort)
[was formerly encoded as [] in Type's argument]
- UAnonymous: to mean a flexible anonymous universe
(written _ in instances and Type@{_} as a sort)
[was formerly encoded as [None] in Type's argument]
- UNamed: to mean a named universe or universe expression
(written id or qualid in instances and Type@{id} or Type@{qualid} or more
generally Type@{id+n}, Type@{qualid+n}, Type@{max(...)} as a sort)
There is a little change of syntax: "_" in a "max" list of universes
(e.g. "Type@{max(_,id+1)}" is not anymore allowed. But it was
trivially satisfiable by unifying the flexible universe with a
neighbor of the list and the syntax is anyway not documented.
There is a little change of semantics: if I do id@{Type} for an
abbreviation "id := Type", it will consider a rigid variable rather
than a flexible variable as before.
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This feature makes it possible to tell type inference to type
applications of a global `foo` using typing information from the context
once the `n` first arguments are known.
The syntax is: `Arguments foo x y | z`.
Closes #7910
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Reviewed-by: Zimmi48
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We simply pass them as arguments, now that they are not called by the
kernel anymore.
The checker definitely needs to access the opaque proofs. In order not to
touch the API at all, I added a hook there, but it could also be provided
as an additional argument, at the cost of changing all the upwards callers.
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* use mixfix `(p1 | … | pn)` notation for nested disjunctive patterns,
rather than infix `|`, making pattern syntax consistent with term
syntax.
* disable extending `pattern` grammar with notation incompatible with
the nested disjunctive pattern syntax `(p1 | … | pn)`, such as the `(p
| q)` divisibility notation used by `Numbers`.
* emit a (disabled by default) `disj-pattern-notation` warning when such
`Notation` is attempted.
* update documentation accordingly; document incompatibilities in
`changelog`.
* comment special treatment of `(num)` in grammar.
* update file extensions in `Pcoq` header comment.
* correct the keyword declarations to reflect the contents of the
grammar files; perhaps there should be an option to disable implicit
keyword extension in a `.mlg` file, so that these lists could actually
be checked.
* parse the `|}` manifest record terminator as `|` followed by `}`,
eliminating the `|}` token which conflicts with notations that use `|`
as a terminator (such as, absolute value, norm, or cardinal in
MathComp). Since `|` is now an `operconstr` _and_ `pattern` terminator,
`bar_cbrace` rule checks for contiguous symbols, this change entails no
visible behaviour change.
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https://coq.inria.fr/distrib/current/refman/language/gallina-extensions.html#implicit-generalization
>The generalizing binders `{ } and `( ) work similarly to their
>explicit counterparts, only binding the generalized variables
>implicitly, as maximally-inserted arguments.
I guess this was meant to provide a way to get "(A:_) {B:bla A}" from
"`{B:bla A}" (where A is generalizable) but there's no syntax for it
so let's drop the ml side until such a syntax exists.
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Some of them are significant so presumably it will take a bit of
effort to fix overlays.
I left out the removal of `nf_enter` for now as MTac2 needs some
serious porting in order to avoid it.
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This is a bit more uniform.
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We make clearer which arguments are optional and which are mandatory.
Some of these representations are tricky because of small differences
between Program and Function, which share the same infrastructure.
As a side-effect of this cleanup, Program Fixpoint can now be used with
e.g. {measure (m + n) R}. Previously, parentheses were required around
R.
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I had to reorganize the code a bit. The Context command moved to
comAssumption, as it is not so related to type classes. We were able to
remove a few hooks on the way.
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Rather than integers '[0-9]+', numeral constant can now be parsed
according to the regexp '[0-9]+ ([.][0-9]+)? ([eE][+-]?[0-9]+)?'.
This can be used in one of the two following ways:
- using the function `Notation.register_rawnumeral_interpreter` in an OCaml plugin
- using `Numeral Notation` with the type `decimal` added to `Decimal.v`
See examples of each use case in the next two commits.
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Instead of just string (and empty strings for tokens without payload)
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This should make https://github.com/coq/coq/pull/9129 easier.
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Reviewed-by: Zimmi48
Reviewed-by: ejgallego
Ack-by: gares
Ack-by: jfehrle
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Kernel should be mostly correct, higher levels do random stuff at
times.
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Note currently it's impossible to define inductives in SProp because
indtypes.ml and the pretyper aren't fully plugged.
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I think the usage looks cleaner this way.
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Ack-by: JasonGross
Ack-by: SkySkimmer
Ack-by: ejgallego
Ack-by: gares
Ack-by: maximedenes
Ack-by: ppedrot
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Ack-by: herbelin
Reviewed-by: ppedrot
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This work makes it possible to take advantage of a compact
representation for integers in the entire system, as opposed to only
in some reduction machines. It is useful for heavily computational
applications, where even constructing terms is not possible without such
a representation.
Concretely, it replaces part of the retroknowledge machinery with
a primitive construction for integers in terms, and introduces a kind of
FFI which maps constants to operators (on integers). Properties of these
operators are expressed as explicit axioms, whereas they were hidden in
the retroknowledge-based approach.
This has been presented at the Coq workshop and some Coq Working Groups,
and has been used by various groups for STM trace checking,
computational analysis, etc.
Contributions by Guillaume Bertholon and Pierre Roux <Pierre.Roux@onera.fr>
Co-authored-by: Benjamin Grégoire <Benjamin.Gregoire@inria.fr>
Co-authored-by: Vincent Laporte <Vincent.Laporte@fondation-inria.fr>
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[About] still says it.
Close #9056.
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Since it returns an Id.t and not a Pp.t.
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Diff code uses the lexer to recognize tokens in the inputs, which can be
Pp.t's or strings. To add the highlights in the Pp.t, the diff code
matches characters in the input to characters in the tokens. Current
code fails for inputs containing quote marks or "(*" because the quote
marks and comments don't appear in the tokens. This commit adds a "diff
mode" to the lexer to return those characters, making the diff routine
more robust.
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You can tell which it is from the `@{}` if you really care, and seeing
`Monomorphic List (A:Type)` with no indication that `Monomorphic` is
about universes can confuse people.
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- deprecate the old 5-tuple accessor in favor of a view record,
- move `name` and `kind` proof data from `Proof_global` to `Proof`,
this will prove useful in subsequent functionalizations of the
interface, in particular this is what abstract, which lives in the
monads, needs in order no to access global state.
- Note that `Proof.t` and `Proof_global.t` are redundant anyways.
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These modules do actually belong there.
We have to slightly reorganize printers, removing a couple of
duplicated ones in the way.
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Improve debug output
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