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If we need to print the name of an inlined constant (as in "let name =",
"val name :" or "type name ="), we need its name without inlining nor
qualification.
In particular, we introduce a function pp_global_name to make it
clearer that printing a name at declaration point of a global is only
about printing the basename (formerly, Common.pp_global was correctly
printing the basename without qualification thanks to the
"top_visible_mp ()" test, but OCaml.pp_global was wrongly inlining).
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Persistent arrays expose a functional interface but are implemented
using an imperative data structure. The OCaml implementation is based on
Jean-Christophe Filliâtre's.
Co-authored-by: Benjamin Grégoire <Benjamin.Gregoire@inria.fr>
Co-authored-by: Gaëtan Gilbert <gaetan.gilbert@skyskimmer.net>
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Add headers to a few files which were missing them.
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Instead of the default extraction to OCaml's "char list" type.
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We also remove trailing whitespace.
Script used:
```bash
for i in `find . -name '*.ml' -or -name '*.mli' -or -name '*.mlg'`; do expand -i "$i" | sponge "$i"; sed -e's/[[:space:]]*$//' -i.bak "$i"; done
```
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Co-authored-by: Pierre Roux <pierre.roux@onera.fr>
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- Inline record projections by default (except for Haskell extraction).
- Extend `pp_record_proj` for record projections involving `MLmagic`.
- Remove special treatments for pretty-printing for record projections other
than `pp_record_proj`.
- `micromega.ml` had to be changed due to this change of the extraction plugin.
Acknowledgement: This work is financially supported by Peano System Inc.
on-behalf-of: @peano-system <info@peano-system.jp>
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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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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 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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We also remove flushing operations `msg_with`, now the flushing
responsibility belong to the owner of the formatter.
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No more pp_alias_spec et pp_alias_decl.
Instead, we use "include" and "module type of".
The extracted code might hence need OCaml 3.12 (quite rarely)
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Not_found)
This clarifies the execution flow
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A double call to pp_module_type inside Ocaml.pp_specif was
causing an complexity blowup when pretty-printing heavily modular
extracted code.
I wasn't able to figure out why this double call is there. It could
be the leftover of some intermediate work in 2007 before commit 350398eae
(which introduced global printing phases Pre/Impl/Intf).
Anyway I'm reasonably sure that today these two pp_module_type calls produce
the exact same pretty-printed signature (even if there's a large bunch of
imperative states around). Moreover, this duplicated signature is actually
slightly wrong: when we alias a module M with a unambiguous name like Coq__123,
the type of Coq__123 should not be an exact copy of the type of M, but rather
a "strengthened" version of it (with equality between inductive types).
So the best solution is now to use this funny feature of OCaml introduced in 3.12 :
module Coq__123 : module type of struct include M end
This "module type of struct include" is slightly awkward, but short, correct,
and trivial to produce :-). And I doubt anybody will object to the (rare) use
of some 3.12 features in extracted code of 2017...
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module)
For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
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vars by _)
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Some explicit '\n' in Pp.str were interacting badly with Format boxes
in Compcert, leading to right-flushed "sig..end" blocks in some .mli
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Instead of the original hacks (embedding implicits in string msg in MLexn !)
we now use a proper construction MLdummy (Kimplicit (r,i)) to replace the use
of the i-th argument of constant or constructor r when this argument has been
declared as implicit.
A new option Set/Unset Extraction SafeImplicits controls what happens
when some implicits still occur after an extraction : fail in safe mode,
or otherwise produce some code nonetheless. This code is probably buggish
if the implicits are actually used to do anything relevant (match, function
call, etc), but it might also be fine if the implicits are just passed along.
And anyway, this unsafe mode could help figure what's going on.
Note: the MLdummy now expected a kill_reason, just as Tdummy.
These kill_reason are now Ktype, Kprop (formerly Kother) and Kimplicit.
Some minor refactoring on the fly.
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Since name clashes are discovered by side effects, the order of traversal of
module structs cannot be changed.
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The control flow of extraction is hard to read due to exceptions. When meeting
an inlined constant extracted to custom code, they could desynchronize some
tables in charge of detecting name clashes, leading to an anomaly.
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Since type variables are local to the definition, we simply rename
them in case of unicode chars. We also get rid of any ' to avoid
Ocaml illegal 'a' type var (clash with char litteral).
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16806 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16285 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16249 85f007b7-540e-0410-9357-904b9bb8a0f7
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Ok, this is merely a matter of taste, but up to now the usage
in Coq is rather to use capital letters instead of _ in the
names of inner modules.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16221 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16097 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16072 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@16071 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15942 85f007b7-540e-0410-9357-904b9bb8a0f7
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peculiarly messy, I hope I did not introduce too many bugs.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15815 85f007b7-540e-0410-9357-904b9bb8a0f7
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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15804 85f007b7-540e-0410-9357-904b9bb8a0f7
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List module. That way, an "open Util" in the header permits using
any function of CList in the List namespace (and in particular, this
permits optimized reimplementations of the List functions, as, for
example, tail-rec implementations.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15801 85f007b7-540e-0410-9357-904b9bb8a0f7
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compiler warnings).
I was afraid that such a brutal refactoring breaks some obscure
invariant about linking order and side-effects but the standard
library still compiles.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15800 85f007b7-540e-0410-9357-904b9bb8a0f7
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