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- Deactivation of short names registration and printing for
abbreviations to identical names, what avoids printing uselessly
qualified names binding where the short name is in fact equivalent.
- New treatment of abbreviations to names: don't insert any maximally
inserted implicit arguments at all at the time of the abbreviation
and use the regular internalization strategy to have them inserted
at use time.
- The previous modifications altogether make redirections of
qualified names easier and avoid the semantic change of r12349 and
hence allows to keep "Notation b := @a" as it was before, i.e. as a
notation for the deactivation of the implicit arguments of a.
- Took benefit of these changes and updated nil/cons/list/app
redefinition in "List.v".
- Fixed parsing/printing notation bugs (loop on partially applied
abreviations for constructors in constrintern.ml + bad reverting of
notations with holes that captured non anonymous variables in
match_cases_pattern).
- Add support for parsing/printing abbreviations to @-like constructors
and for reverting printing for abbreviations to constructors applied
to parameters only (function extern_symbol_pattern).
- Minor error messages fixes and minor APIs cleaning.
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- Cleaning and uniformisation in command.ml:
- For better modularity and better visibility, two files got isolated
out of command.ml:
- lemmas.ml is about starting and saving a proof
- indschemes.ml is about declaring inductive schemes
- Decomposition of the functions of command.ml into a functional part
and the imperative part
- Inductive schemes:
- New architecture in ind_tables.ml for registering scheme builders,
and for sharing and generating on demand inductive schemes
- Adding new automatically generated equality schemes (file eqschemes.ml)
- "_congr" for equality types (completing here commit 12273)
- "_rew_forward" (similar to vernac-level eq_rect_r), "_rew_forward_dep",
"_rew_backward" (similar to eq_rect), "_rew_backward_dep" for
rewriting schemes (warning, rew_forward_dep cannot be stated following
the standard Coq pattern for inductive types: "t=u" cannot be the
last argument of the scheme)
- "_case", "_case_nodep", "_case_dep" for case analysis schemes
- Preliminary step towards discriminate and injection working on any
equality-like type (e.g. eq_true)
- Restating JMeq_congr under the canonical form of congruence schemes
- Renamed "Set Equality Scheme" into "Set Equality Schemes"
- Added "Set Rewriting Schemes", "Set Case Analysis Schemes"
- Activation of the automatic generation of boolean equality lemmas
- Partial debug and error messages improvements for the generation of
boolean equality and decidable equality
- Added schemes for making dependent rewrite working (unfortunately with
not a fully satisfactory design - see file eqschemes.ml)
- Some names of ML function made more regular (see dev/doc/changes.txt)
- Incidentally, added a flush to obsolete Local/Global syntax warning
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1- Management of the name-space in a modular development / sharing of non-logical objects.
2- Performance of atomic module operations (adding a module to the environment, subtyping ...).
1-
There are 3 module constructions which derive equalities on fields from a module to another:
Let P be a module path and foo a field of P
Module M := P.
Module M.
Include P.
...
End M.
Declare Module K : S with Module M := P.
In this 3 cases we don't want to be bothered by the duplication of names.
Of course, M.foo delta reduce to P.foo but many non-logical features of coq
do not work modulo conversion (they use eq_constr or constr_pat object).
To engender a transparent name-space (ie using P.foo or M.foo is the same thing)
we quotient the name-space by the equivalence relation on names induced by the
3 constructions above.
To implement this, the types constant and mutual_inductive are now couples of
kernel_names. The first projection correspond to the name used by the user and the second
projection to the canonical name, for example the internal name of M.foo is
(M.foo,P.foo).
So:
*************************************************************************************
* Use the eq_(con,mind,constructor,gr,egr...) function and not = on names values *
*************************************************************************************
Map and Set indexed on names are ordered on user name for the kernel side
and on canonical name outside. Thus we have sharing of notation, hints... for free
(also for a posteriori declaration of them, ex: a notation on M.foo will be
avaible on P.foo). If you want to use this, use the appropriate compare function
defined in name.ml or libnames.ml.
2-
No more time explosion (i hoppe) when using modules i have re-implemented atomic
module operations so that they are all linear in the size of the module. We also
have no more unique identifier (internal module names) for modules, it is now based
on a section_path like mechanism => we have less substitutions to perform at require,
module closing and subtyping but we pre-compute more information hence if we instanciate
several functors then we have bigger vo.
Last thing, the checker will not work well on vo(s) that contains one of the 3 constructions
above, i will work on it soon...
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- Tried an extension of the lexer that supports keywords starting with
a letter w/o being an ident (e.g. 'U+').
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string in most commands expecting a global name (e.g. 'Print "+"' for
an infix notation or 'Print "{ _ } + { _ }"' for a misfix notation,
possibly surrounded by a scope delimiter). Support for such smart
globals in VERNAC EXTEND to do.
Added a file smartlocate.ml for high-level globalization functions.
Mini-nettoyage metasyntax.ml.
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(uniformisation of function names, classification). One of the most
visible change is the renaming of section_path into full_path (the
use of name section was obsolete due to the module system, but I
don't know if the new name is the best chosen one - especially it
remains some "sp" here and there).
- Simplification of the interface of classify_object (first argument dropped).
- Simplification of the code for vernac keyword "End".
- Other small cleaning or dead code removal.
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- Added support for list of intropattern in Tactic Notation.
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reorganization of code) and documentation (in pcoq.mli) of the code
for parsing extensions (TACTIC/VERNAC/ARGUMENT EXTEND, Tactic
Notation, Notation); merged the two copies of interp_entry_name to
avoid they diverge.
- Added support in Tactic Notation for ne_..._list_sep in general and
for (ne_)ident_list(_sep) in particular.
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- Adding test file related to commit 12080 (bug #2091).
- Cleaning old parsing stuff from 8.0.
- Support for camlp5 in base_include.
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- Adding ability to use "_" in syntax for binders (as in "exists _:nat, True").
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(anomaly while parsing $ not followed by an ident).
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- Correction test des scopes pour les notations récursives (suite commit 11489)
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- Prise en compte des notations applicatives
- Remplacement du codage des arguments liste des notations récursives
sous forme de terme par une représentation directe (permet notamment
de résoudre un problème de stack overflow de la fonction d'affichage)
+ Correction bug affichage Lemma dans ppvernac.ml
+ Divers util.ml
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- Extension du test de réversibilité acyclique des notations dures aux
notations de type abbréviation (du genre inhabited A := A).
- Ajout options Local/Global à Transparent/Opaque.
- Retour au comportement 8.1 pour "move" (dependant par défaut et mot-clé
dependent retiré).
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11472 85f007b7-540e-0410-9357-904b9bb8a0f7
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- evarconv: mauvaise idée d'utiliser la conversion sur la tête d'un
terme applicatif au moment de tester f u1 .. un = g v1 .. vn au
premier ordre : on revient sur l'algo tel qu'il était avant le
commit 11187.
- Bug #1887 (format récursif cassé à cause de la vérification des idents).
- Nouveau choix de formattage du message "Tactic Failure".
- Nettoyage vocabulaire "match context" -> "match goal" au passage.
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majuscule - si pas un ident ou un terme - et se terminent par un point).
Restent quelques utilisations de "error" qui sont liées à des usages internes,
ne faudrait-il pas utiliser des exceptions plus spécifiques à la place ?
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restriction du contexte était attendue) + suppression warning +
amélioration affichage en cas de clause "at" incorrecte + report
commit 11121 (correction bug 1367) de la 8.2 vers le trunk.
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Example: "Notation reflexive R := (forall x, R x x)."
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devient Flags.
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lib/option.ml(i) . J'en profite pour rajouter des primitives de lifting
des fonctions (à un ou deux arguments tous ou partie de type option).
Il reste quelques opérations dans Util à propos desquelles je ne suis
pas trop sûr, ou simplement que j'ai oublié, mais qui attendront demain
car il est tard (comme some_in qui devrait devenir Option.make je
suppose) . Elles s'expriment souvent facilement en fonction des
autres, par exemple "option_compare x y" est égal à "Option.lift2 compare x y"
. Le option_cons devrait faire son chemin dans le module parce qu'il est
assez primitif et qu'il n'y a pas de fonction "cons" dans OCaml.
J'en ai profité aussi pour remplacer les trop nombreux "failwith" par
des erreurs locales au module, donc plus robustes.
J'ai trouvé aussi une fonction qui était définie deux fois, et une
définie dans un module particulier.
Mon seul bémol (mais facile à traiter) c'est la proximité entre le
nom de module Option et l'ancien Options. J'ai pas de meilleure idée de
nom à l'heure qu'il est, ni pour l'un, ni pour l'autre.
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the patch by S. Mimram)
* for detecting architecture, also look for /bin/uname
* restore the compatibility of kernel/byterun/coq_interp.c with
ocaml 3.07 (caml_modify vs. modify). There is still an issue
with this 3.07 and 64-bits architecture (see coqdev and a future
bug report).
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le parser
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légère restructuration + correction nécessité redéclarer syntaxe '{ _ }' dans le cas nouvelle notation basée sur '{ _ }' en -nois + suite nettoyage
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toplevel/metasyntax.ml) sur les formats de notations récursives + ajout de cassure par défaut en cas de notation récursive sans séparateurs
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(mécanismes de renommage des noms de constantes, de module, de ltac et de certaines variables liées de lemmes et de tactiques, mécanisme d'ajout d'arguments implicites, etc.)
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nouveaux warnings de ocaml 3.09 avaient révélé
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metasyntax.ml
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ocaml 3.09
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aux niveaux syntaxiques des tacticielles
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1. when applying a functor F(X) := B to a module M, the obtained module
is no longer B{X.t := M.t for all t}, but B{X.t := b where b is the
body of t in M}. In principle it is now easy to fine tune the behaviour
to choose whether b or M.t must be used. This change implies modifications
both inside and outside the kernel.
2. for each object in the library it is now necessary to define the behaviour
w.r.t. the substitution {X.t := b}. Notice that in many many cases the
pre-existing behaviour w.r.t. the substitution {X.t := M.t} was broken
(in the sense that it used to break several invariants). This commit
fixes the behaviours for most of the objects, excluded
a) coercions: a future commit should allow any term to be declared
as a coercion; moreover the invariant that just a coercion path
exists between two classes will be broken by the instantiation.
b) global references when used as arguments of a few tactics/commands
In all the other cases the behaviour implemented is the one that looks
to me as the one expected by the user (if possible):
[ terminology: not expanded (X.t := M.t) vs expanded (X.t := b) ]
a) argument scopes: not expanded
b) SYNTAXCONSTANT: expanded
c) implicit arguments: not expanded
d) coercions: expansion to be done (for now not expanded)
e) concrete syntax tree for patterns: expanded
f) concrete syntax tree for raw terms: expanded
g) evaluable references (used by unfold, delta expansion, etc.): not
expanded
h) auto's hints: expanded when possible (i.e. when the expansion of the
head of the pattern is rigid)
i) realizers (for program extraction): nothing is done since the actual
code does not look for the realizer of definitions with a body;
however this solution is fragile.
l) syntax and notation: expanded
m) structures and canonical structures: an invariant says that no
parameter can happear in them ==> the substitution always yelds the
original term
n) stuff related to V7 syntax: since this part of the code is doomed
to disappear, I have made no effort to fix a reasonable semantics;
not expanded is the default one applied
o) RefArgTypes: to be understood. For now a warning is issued whether
expanded != not expanded, and the not expanded solution is chosen.
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printers dans ocamldebug
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notations au moment de la déclaration d'interprétation car la règle de parsing peut être dans un autre fichier qui n'est pas importé
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MOVITATION: in a forthcoming commit the application of a substitution to a
constant will return a constr and not a constant. The application of a
substitution to a kernel_name will return a kernel_name. Thus "constant"
should be use as a kernel name for references that can be delta-expanded.
KNOWN PROBLEMS: the only problem faced is in pretyping/recordops.ml (the code
that implements "Canonical Structure"s). The ADT is violated once in this
ocaml module. My feeling is that the implementation of "Canonical Structure"s
should be rewritten to avoid this situation.
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