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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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Note currently it's impossible to define inductives in SProp because
indtypes.ml and the pretyper aren't fully plugged.
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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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This is a pre-requisite to use automated formatting tools such as
`ocamlformat`, also, there were quite a few places where the comments
had basically no effect, thus it was confusing for the developer.
p.s: Reading some comments was a lot of fun :)
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Fixes #6764: Printing Notation regressed compared to 8.7
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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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- move_location to proofs/logic.
- intro_pattern_naming to Namegen.
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We move syntax for universes from `Misctypes` to `Glob_term`. There is
basically no reason that this type is there instead of the proper
file, as witnessed by the diff.
Unfortunately the change is not compatible due to moving a type to a
higher level in the hierarchy, but we expect few problems.
This change plus the related PR (#6515) moving universe declaration to
their proper place make `Misctypes` into basically an empty file save
for introduction patterns.
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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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In a component-based source code organization of Coq `intf` doesn't
fit very well, as it sits in bit of "limbo" between different
components, and indeed, encourages developers to place types in
sometimes random places wrt the hierarchy. For example, lower parts of
the system reference `Vernacexpr`, which morally lives in a pretty
higher part of the system.
We move all the files in `intf` to the lowest place their dependencies
can accommodate:
- `Misctypes`: is used by Declaremod, thus it has to go in `library`
or below. Ideally, this file would disappear.
- `Evar_kinds`: it is used by files in `engine`, so that seems its
proper placement.
- `Decl_kinds`: used in `library`, seems like the right place. [could
also be merged.
- `Glob_term`: belongs to pretyping, where it is placed.
- `Locus`: ditto.
- `Pattern`: ditto.
- `Genredexpr`: depended by a few modules in `pretyping`, seems like
the righ place.
- `Constrexpr`: used in `pretyping`, the use is a bit unfortunate and
could be fixed, as this module should be declared in `interp` which
is the one eliminating it.
- `Vernacexpr`: same problem than `Constrexpr`; this one can be fixed
as it contains stuff it shouldn't. The right place should be `parsing`.
- `Extend`: Is placed in `pretyping` due to being used by `Vernacexpr`.
- `Notation_term`: First place used is `interp`, seems like the right place.
Additionally, for some files it could be worth to merge files of the
form `Foo` with `Foo_ops` in the medium term, as to create proper ADT
modules as done in the kernel with `Name`, etc...
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Stuff about reductions now in genredexpr.mli, operations in redops.ml
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15374 85f007b7-540e-0410-9357-904b9bb8a0f7
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Corresponding operations in locusops.ml and miscops.ml
The type of occurrences is now a clear algebraic one instead of
a bool*list hard to understand.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15372 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15371 85f007b7-540e-0410-9357-904b9bb8a0f7
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Detyping is wrong about it and as far as I understand no one but Constrextern uses
it. Constrextern has now the same machinery for all patterns.
Revert if I miss something.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15022 85f007b7-540e-0410-9357-904b9bb8a0f7
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Util only depends on Ocaml stdlib and Utf8 tables.
Generic pretty printing and loc functions are in Pp.
Generic errors are in Errors.
+ Training white-spaces, useless open, prlist copies random erasure.
Too many "open Errors" on the contrary.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15020 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14950 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14621 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14018 85f007b7-540e-0410-9357-904b9bb8a0f7
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perl -pi -e 's/(\W|_)raw((?:sort|_prop|terms?|_branch|_red_flag|pat
tern|_constr_of|_of_pat)(?:\W|_))/\1glob_\2/g;s/glob__/glob_/g;s/(\
W)R((?:Prop|Type|Fix|CoFix|StructRec|WfRec|MeasureRec)\W)/\1G\2/g;s
/glob_terms?/glob_constr/g' **/*.ml*
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13756 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13744 85f007b7-540e-0410-9357-904b9bb8a0f7
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