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git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@15376 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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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.
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For instance, consider this inductive type:
Inductive Ind := A | B | C | D.
For detecting "match" on this type, one was forced earlier to write code
in Ltac using "match goal" and/or "context [...]" and long patterns such as:
match _ with A => _ | B => _ | C => _ | D => _ end
After this patch, this pattern can be shortened in many alternative ways:
match _ with A => _ | _ => _ end
match _ with B => _ | _ => _ end
match _ in Ind with _ => _ end
Indeed, if we want to detect a "match" of a given type, we can either
leave at least one branch where a constructor is explicit, or use a "in"
annotation.
Now, we can also detect any "match" regardless of its type:
match _ with _ => _ end
Note : this will even detect "match" over empty inductive types.
Compatibility should be preserved, since "match _ with end" will
continue to correspond only to empty inductive types.
Internally, the constr_pattern PCase has changed quite a lot, a few elements
are now grouped into a case_info_pattern record, while branches are now
lists of given sub-patterns.
NB: writing "match" with missing last branches in a constr pattern was actually
tolerated by Pattern.pattern_of_glob_constr earlier, since the number of
constructor per inductive is unknown there. And this was triggering an uncaught
exception in a array_fold_left_2 in Matching later. Oups. At least this patch
fixes this issue...
Btw: the code in Pattern.pattern_of_glob_constr was quadratic in the number
of branch in a match pattern. I doubt this was really a problem, but having now
linear code instead cannot harm ;-)
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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*
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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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There was a discrepancy of the notions "raw" and "globalized" between
constrs and tactics, and some confusion of the notions in
e.g. genarg.mli (see all globwit_* there). This commit is a first step
towards unification of terminology between constrs and
tactics. Changes in module names will be done separately.
In extraargs.ml4, the "ARGUMENT EXTEND raw" and related stuff, even
affected by this change, has not been touched and highlights another
confusion in "ARGUMENT EXTEND" in general that will be addressed
later.
The funind plugin doesn't respect the same naming conventions as the
rest, so leave some "raw" there for now... they will be addressed
later.
This big commit has been generated with the following command (wrapped
here, but should be on a *single* line):
perl -pi -e 's/(\W(?:|pp|pr_l)|_)raw((?:constrs?|type|vars|_binder|
_context|decl|_decompose|_compose|_make)(?:\W|_))/\1glob_\2/g;s/glo
b__/glob_/g;s/prraw/prglob/g;s/(\W)R((?:Ref|Var|Evar|PatVar|App|Lam
bda|Prod|LetIn|Cases|LetTuple|If|Rec|Sort|Hole|Cast|Dynamic)\W)/\1G
\2/g' `git ls-files|grep -v dev/doc/changes.txt`
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13743 85f007b7-540e-0410-9357-904b9bb8a0f7
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r13080 via a failure in CoRN (pattern_of_constr needs correct sigma).
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Applied it to fix mli file headers.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13176 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Instances found by matching.ml now collect the set of bound
variables they possibly depend on in the pattern (see type
Pattern.extended_patvar_map); the variables names are canonically
ordered so that non-linear matching takes actual names into account.
- Removed typing of matching constr instances in advance (in
tacinterp.ml) and did it only at use time (in pretyping.ml). Drawback
is that we may have to re-type several times the same term but it is
necessary for considering terms with locally bound variables of which
we do not keep the type (and if even we had kept the type, we would have
to adjust the indices to the actual context the term occurs).
- A bit of documentation of pattern.mli, matching.mli and pretyping.mli.
- Incidentally add env while printing idtac messages. It seems more correct
and I hope I did not break some intended existing behavior.
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13080 85f007b7-540e-0410-9357-904b9bb8a0f7
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- Many of them were broken, some of them after Pierre B's rework
of mli for ocamldoc, but not only (many bad annotation, many files
with no svn property about Id, etc)
- Useless for those of us that work with git-svn (and a fortiori
in a forthcoming git-only setting)
- Even in svn, they seem to be of little interest
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dev/ocamlweb-doc has been erased. I hope no one still use the
"new-parse" it generate.
In dev/,
make html will generate in dev/html/ "clickable version of mlis". (as
the caml standard library)
make coq.pdf will generate nearly the same awfull stuff that coq.ps was.
make {kernel,lib,parsing,..}.{dot,png} will do the dependancy graph of
the given directory.
ocamldoc comment syntax is here :
http://caml.inria.fr/pub/docs/manual-ocaml/manual029.html
The possibility to put graphs in pdf/html seems to be lost.
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- to type patterns w/o losing the information of what subterm is a hole
would need to remember where holes were in "understand", but "understand"
needs sometimes to instantiate evars to ensure the type of an evar
is not its original type but the type of its instance (what can
e.g. lower a universe level); we would need here to update evars
type at the same time we define them but this would need in turn to
check the convertibility of the actual and expected type since otherwise
type-checking constraints may disappear;
- typing pattern is apparently expensive in time; is it worth to do it
for the benefit of pattern-matching compilation and coercion insertion?
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12607 85f007b7-540e-0410-9357-904b9bb8a0f7
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des inductifs de la clause "in" du filtrage.
- Débogage et extension du parseur xml (g_xml.ml4)
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8755 85f007b7-540e-0410-9357-904b9bb8a0f7
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PCase dans le type pattern: le type pattern est utilisé
essentiellement dans ltac, il est normalement obtenu sans typage, et
ce via rawconstr (sauf cas de filtrage ltac non linéaire où il est
obtenu de constr). Le cas d'un filtrage sur un "if" doit être traité à
part car sans le type, il est impossible de savoir le nombre
d'arguments du constructeur puisque par définition du "if", ceux-ci ne
sont pas liants et ne laissent pas dans la syntaxe concrète
(résolution au passage du bug #1070, dû à un filtrage incomplet dans
le passage de pattern à rawconstr permettant l'affichage des pattern).
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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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the new module kernel/mod_subst.ml.
MOTIVATION: mod_subst is compiled after kernel/term.ml; thus it is now
possible to define substitutions that also delta-expand constants
(by associating the delta-expanded form to the constant name).
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pour eviter la confusion avec la (vraie) application
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@5114 85f007b7-540e-0410-9357-904b9bb8a0f7
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Utilisation d'ident plutôt que int pour PMeta/CPatVar
Ajout CEvar pour la saisie des Evar
Pas d'entrée utilisateur pour les Meta noyau
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@4033 85f007b7-540e-0410-9357-904b9bb8a0f7
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pour compatibilité avec les modules.
Globalisation partielle des invocations de tactiques hors définitions
(partielle car noms des Intros/Assert/Inversion/... non connus).
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- Le parsing se fait maintenant via "constr_expr" au lieu de "Coqast.t"
- "Coqast.t" reste pour l'instant pour le pretty-printing. Un deuxième
pretty-printer dans ppconstr.ml est basé sur "constr_expr".
- Nouveau répertoire "interp" qui hérite de la partie interprétation qui
se trouvait avant dans "parsing" (constrintern.ml remplace astterm.ml;
constrextern.ml est l'équivalent de termast.ml pour le nouveau
printer; topconstr.ml; contient la définition de "constr_expr";
modintern.ml remplace astmod.ml)
- Libnames.reference tend à remplacer Libnames.qualid
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- reduction du noyau (variables existentielles, fonctions auxiliaires
pour inventer des noms, etc. deplacees hors de kernel/)
- changement de noms de constructeurs des constr (suppression de "Is" et
"Mut")
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réorganisations diverses
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