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This file was only used during ocamldebug sessions (in the dev/db
script). It was containing a large subset of the core cma files,
up to the printing functions. There were a few notable exceptions,
for instance no kernel/vm.cmo to avoid loading dllcoqrun.so in ocamldebug.
But printers.cma was troublesome to maintain : almost each time an ML file
was added/removed/renamed in the core of Coq, dev/printers.mllib
had to be edited, in addition to the directory-specific .mllib
(kernel/kernel.mllib and co). So I propose here to kill this file,
and put instead in dev/db several "load_printer" of the core cma files.
For that to work, we need to compile kernel/kernel.cma with the right
-dllib and -dllpath options, but that shouldn't hurt (on the contrary).
We also source now the camlpX cma in dev/db, via a new generated file
dev/camlp4.dbg containing a load_printer of either gramlib.cma or
camp4lib.cma.
If one doesn't want to perform the whole "source db" at the start
of an ocamldebug session, then the former "load_printer printers.cma"
could be replaced by:
source core.dbg
load_printer top_printers.cmo
See for instance the minimal dev/base_db.
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lib/cErrors.ml)
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For the moment, there is a Closure module in compiler-libs/ocamloptcomp.cm(x)a
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module)
For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
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On the user side, coqtop and coqc take a list of warning names or categories
after -w. No prefix means activate the warning, a "-" prefix means deactivate
it, and "+" means turn the warning into an error. Special categories include
"all", and "default" which contains the warnings enabled by default.
We also provide a vernacular Set Warnings which takes the same flags as argument.
Note that coqc now prints warnings.
The name and category of a warning are printed with the warning itself.
On the developer side, Feedback.msg_warning is still accessible, but the
recommended way to print a warning is in two steps:
1) create it by:
let warn_my_warning =
CWarnings.create ~name:"my-warning" ~category:"my-category"
(fun args -> Pp.strbrk ...)
2) print it by:
warn_my_warning args
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Coqdep_boot has almost no dependencies, and hence can be compiled
very early during the build, without relying on .ml.d files.
Some code of system.ml is now in a separate file minisys.ml,
which is also included in system.ml for compatibility.
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This patch splits pretty printing representation from IO operations.
- `Pp` is kept in charge of the abstract pretty printing representation.
- The `Feedback` module provides interface for doing printing IO.
The patch continues work initiated for 8.5 and has the following effects:
- The following functions in `Pp`: `pp`, `ppnl`, `pperr`, `pperrnl`,
`pperr_flush`, `pp_flush`, `flush_all`, `msg`, `msgnl`, `msgerr`,
`msgerrnl`, `message` are removed. `Feedback.msg_*` functions must be
used instead.
- Feedback provides different backends to handle output, currently,
`stdout`, `emacs` and CoqIDE backends are provided.
- Clients cannot specify flush policy anymore, thus `pp_flush` et al are
gone.
- `Feedback.feedback` takes an `edit_or_state_id` instead of the old
mix.
Lightly tested: Test-suite passes, Proof General and CoqIDE seem to work.
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Some parts of Evarutils were related to the management of evars under constraints.
We put them in the Evardefine file.
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We just reuse the same one weird old trick in CAMLP4 to compare keywords and
identifiers as tokens. Note though that the commit 982460743 does not fix the
keyword vs. identifier issue in CAMLP4, so that the corresponding test fails.
This means that since that commit, some code compiling with CAMLP5 does not
when using CAMLP4, making it a second-class citizen.
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Fixes compilation of Coq with OCaml 4.03 beta 1.
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Function is_constructor was not properly fixed. Additionally, this fixes
a problem with the 8.5 interpretation of in-pattern (see Cases.v).
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Conflicts:
lib/cSig.mli
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CString was linked after Serialize, although the later was using CString.equal.
This had not been noticed so far because OCaml was ignoring functions marked as
external in interfaces (which is the case of CString.equal) when considering
link dependencies. This was changed on the OCaml side as part of the fix of
PR#6956, so linking was now failing in several places.
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Entries defined in the Pcoq AST of symbols must be marshallable, because they
are present in the libstack. Yet, CAMLP4/5 entries are not marshallable as
they contain functional values. This is why the Pcoq module used a pair
[string * string] to describe entries. It is obviously type-unsafe, so
we define a new abstract type in its own module. There is a little issue
though, which is that our entries and CAMLP4/5 entries must be kept
synchronized through an association table. The Pcoq module tries to
maintain this invariant.
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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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1. The Univ module now only cares about definitions about universes.
2. The UGraph module contains the algorithm responsible for aciclicity.
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When an axiom of an empty type is matched in order to inhabit
a type, do print that type (as if each use of that axiom was a
distinct foo_subproof).
E.g.
Lemma w : True.
Proof. case demon. Qed.
Lemma x y : y = 0 /\ True /\ forall w, w = y.
Proof. split. case demon. split; [ exact w | case demon ]. Qed.
Print Assumptions x.
Prints:
Axioms:
demon : False
used in x to prove: forall w : nat, w = y
used in w to prove: True
used in x to prove: y = 0
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This allows fatal_error to be used for printing anomalies at loading time.
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(Sorry, was not intended to be pushed)
This reverts commit 5268efdefb396267bfda0c17eb045fa2ed516b3c.
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In particular:
- abstracting the code using calls to Unix opendir, stat, and closedir,
- uniformly using warnings when a directory does not exist (coqtop was
ignoring silently and coqdep was exiting via handle_unix_error).
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- Registering strict implicit arguments systematically (35fc7d728168)
- Experimenting always forcing convertibility on strict implicit arguments (a1a6d7b99eef5e6)
- Fixing Coq compilation (894a3d16471)
Systematically computing strict implicit arguments can lead to big
computations, so I suspend this attempt, waiting for improved
computation of implicit arguments, or alternative heuristics going
toward having more conversion in rewrite.
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in tactic unification.
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defined and the file providing the primitives.
The datatypes are defined in [Proofview_monad], previous [Proofview_monad] is now called [Logic_monad] since it is more generic since the refactoring.
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reorganization of apply in d5fece25d8964d5d9fcd55b66164286aeef5fb9f:
using renaming also in retyping.
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into a specific new cleaned file find_subterm.ml.
This makes things clearer but also solves some dependencies problem
between Evd, Termops and Pretype_errors.
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