| Commit message (Collapse) | Author | Age |
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We follow the suggestions in #402 and turn uses of `Loc.located` in
`vernac` into `CAst.t`. The impact should be low as this change mostly
affects top-level vernaculars.
With this change, we are even closer to automatically map a text
document to its AST in a programmatic way.
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In the test we do [let X : Type@{i} := Set in ...] with Set
abstracted. The constraint [Set < i] was lost in the abstract.
Universes of a monomorphic reference [c] are considered to appear in
the term [c].
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They are now bound at the library + module level and can be qualified
and shadowed according to the usual rules of qualified names.
Parsing and printing of universes "u+n" done as well.
In sections, global universes are discharged as well, checking that
they can be defined globally when they are introduced
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This reduces conversions between ContextSet/UContext and encodes
whether we are polymorphic by which constructor we use rather than
using some boolean.
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We can enforce properties through check_univ_decl, or get an arbitrary
ordered context with UState.context / Evd.to_universe_context (the
later being a new wrapper of the former).
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Before sometimes there were lists and strings.
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The universes of the obligations should all be non-algebraic as they
might appear in instances of other obligations and instances only take
non-algebraic universes as arguments.
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We do up to `Term` which is the main bulk of the changes.
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We dont care about the order of the binder map ([map] in the code) so
no need to do tricky things with it.
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evd: Move constrain_variables to an operation on UState
Necessary to check universe declarations correctly for deferred proofs
in particular.
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Introduce a "+" modifier for universe and constraint declarations to
indicate that these can be extended in the final definition/proof. By
default [Definition f] is equivalent to [Definition f@{+|+}], i.e
universes can be introduced and constraints as well. For [f@{}] or
[f@{i j}], the constraints can be extended, no universe introduced, to
maintain compatibility with existing developments. Use [f@{i j | }] to
indicate that no constraint (nor universe) can be introduced. These
kind of definitions could benefit from asynchronous processing.
Declarations of universe binders and constraints also works for
monomorphic definitions.
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Use an explicit label ~algebraic for make_flexible_variable as well.
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Using dummy comment to @raise to please ocamldoc. Please change MS or
PMP, if needed.
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longer stable w.r.t. equality constraints as the universe graph will
choose different canonical levels depending on the equalities given to
it (l = r vs r = l).
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This allows to remove a lot of independent code from Evd which was put
into the UState module. The API is not perfect yet, but this is a first
pass. Names of data structures should be thought about too because they
are way too similar.
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Théo Zimmermann
Emilio Jesus Gallego Arias
Maxime Dénès
Gaëtan Gilbert
Matthieu Sozeau
Matthieu Sozeau
Matej Košík
Pierre-Marie Pédrot
Hugo Herbelin