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* - Second pass on implementation of let pattern. Parse "let ' par [as x]?Gravatar msozeau2008-03-28
| | | | | | | | | | | | | | | | | | [in I] := t [return pred] in b", just as SSReflect does with let:. Change implementation: no longer a separate AST node, just add a case_style annotation on Cases to indicate it (if ML was dependently typed we could ensure that LetPatternStyle Cases have only one term to be matched and one branch, alas...). This factors out most code and we lose no functionality (win ! win !). Add LetPat.v test suite. - Slight improvement of inference of return clauses for dependent pattern matching. If matching a variable of non-dependent type under a tycon that mentions it while giving no return clause, the dependency will be automatically infered. Examples at the end of DepPat. Should get rid of most explicit returns under tycons. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10727 85f007b7-540e-0410-9357-904b9bb8a0f7
* Merged revisions ↵Gravatar msozeau2007-12-31
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 10358-10362,10365,10371-10373,10377,10383-10384,10394-10395,10398,10403-10408 via svnmerge from svn+ssh://msozeau@scm.gforge.inria.fr/svn/coq/branches/TypeClasses ........ r10358 | msozeau | 2007-12-10 15:42:53 +0100 (Mon, 10 Dec 2007) | 1 line Comment grammar error ........ r10359 | msozeau | 2007-12-10 16:04:09 +0100 (Mon, 10 Dec 2007) | 7 lines The initial Type Classes patch. This patch introduces type classes and instance definitions a la Haskell. Technically, it uses the implicit arguments mechanism which was extended a bit. The patch also introduces a notation for explicitely marking implicit, maximally inserted parameters. It includes the tactic redefinition code too (Ltac tac ::= foo redefines tac). ........ r10360 | msozeau | 2007-12-10 16:14:30 +0100 (Mon, 10 Dec 2007) | 1 line Fix interface ........ r10361 | msozeau | 2007-12-10 16:28:19 +0100 (Mon, 10 Dec 2007) | 1 line Fix more xlate code ........ r10362 | msozeau | 2007-12-11 02:00:53 +0100 (Tue, 11 Dec 2007) | 3 lines Update coqdoc for type classes, fix proof state not being displayed on Next Obligation. ........ r10365 | msozeau | 2007-12-11 14:22:35 +0100 (Tue, 11 Dec 2007) | 3 lines Bug fixes in Instance decls. ........ r10371 | msozeau | 2007-12-12 21:17:30 +0100 (Wed, 12 Dec 2007) | 3 lines Streamline typeclass context implementation, prepare for class binders in proof statements. ........ r10372 | msozeau | 2007-12-12 22:03:38 +0100 (Wed, 12 Dec 2007) | 1 line Minor cosmetic fixes: allow sorts as typeclass param instances without parens and infer more types in class definitions ........ r10373 | msozeau | 2007-12-13 00:35:09 +0100 (Thu, 13 Dec 2007) | 2 lines Better names in g_vernac, binders in Lemmas and Context [] to introduce a typeclass context. ........ r10377 | msozeau | 2007-12-13 18:34:33 +0100 (Thu, 13 Dec 2007) | 1 line Stupid bug ........ r10383 | msozeau | 2007-12-16 00:04:48 +0100 (Sun, 16 Dec 2007) | 1 line Bug fixes in name handling and implicits, new syntax for using implicit mode in typeclass constraints ........ r10384 | msozeau | 2007-12-16 15:53:24 +0100 (Sun, 16 Dec 2007) | 1 line Streamlined implementation of instances again, the produced typeclass is a typeclass constraint. Added corresponding implicit/explicit behaviors ........ r10394 | msozeau | 2007-12-18 23:42:56 +0100 (Tue, 18 Dec 2007) | 4 lines Various fixes for implicit arguments, new "Enriching" kw to just enrich existing sets of impl args. New syntax !a to force an argument, even if not dependent. New tactic clrewrite using a setoid typeclass implementation to do setoid_rewrite under compatible morphisms... very experimental. Other bugs related to naming in typeclasses fixed. ........ r10395 | msozeau | 2007-12-19 17:11:55 +0100 (Wed, 19 Dec 2007) | 3 lines Progress on setoids using type classes, recognize setoid equalities in hyps better. Streamline implementation to return more information when resolving setoids (return the results setoid). ........ r10398 | msozeau | 2007-12-20 10:18:19 +0100 (Thu, 20 Dec 2007) | 1 line Syntax change, more like Coq ........ r10403 | msozeau | 2007-12-21 22:30:35 +0100 (Fri, 21 Dec 2007) | 1 line Add right-to-left rewriting in class_setoid, fix some discharge/substitution bug, adapt test-suite to latest syntax ........ r10404 | msozeau | 2007-12-24 21:47:58 +0100 (Mon, 24 Dec 2007) | 2 lines Work on type classes based rewrite tactic. ........ r10405 | msozeau | 2007-12-27 18:51:32 +0100 (Thu, 27 Dec 2007) | 2 lines Better evar handling in pretyping, reorder theories/Program and add some tactics for dealing with subsets. ........ r10406 | msozeau | 2007-12-27 18:52:05 +0100 (Thu, 27 Dec 2007) | 1 line Forgot to add a file ........ r10407 | msozeau | 2007-12-29 17:19:54 +0100 (Sat, 29 Dec 2007) | 4 lines Generalize usage of implicit arguments in terms, up to rawconstr. Binders are decorated with binding info, either Implicit or Explicit for rawconstr. Factorizes code for typeclasses, topconstrs decorations are Default (impl|expl) or TypeClass (impl|expl) and implicit quantification is resolve at internalization time, getting rid of the arbitrary prenex restriction on contexts. ........ r10408 | msozeau | 2007-12-31 00:58:50 +0100 (Mon, 31 Dec 2007) | 4 lines Fix parsing of subset binders, bugs in subtac_cases and handling of mutual defs obligations. Add useful tactics to Program.Subsets. ........ git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10410 85f007b7-540e-0410-9357-904b9bb8a0f7
* Generalized CAMLP4USE for pp dependenciesGravatar corbinea2007-07-16
| | | | | | | | Removed parsing/lexer.ml4 special case No file depends on pa_extend_m.cmo anymore, Wierd ... git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10007 85f007b7-540e-0410-9357-904b9bb8a0f7
* Add a parameter to QuestionMark evar kind to say it can be turned into an ↵Gravatar msozeau2007-03-19
| | | | | | | | | | obligations (even an opaque one). Change cast_type to include the converted-to type or nothing in case of a Coerce cast, required much minor changes. Various little subtac changes. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9718 85f007b7-540e-0410-9357-904b9bb8a0f7
* le parsing du LETIN ne suivait pas la DTD (bug #1237)Gravatar herbelin2006-10-03
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9200 85f007b7-540e-0410-9357-904b9bb8a0f7
* Nettoyage code mortGravatar herbelin2006-07-05
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@9016 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added {measure x f} as a valid recursion order.Gravatar msozeau2006-06-22
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8969 85f007b7-540e-0410-9357-904b9bb8a0f7
* The "clean integration of subtac" patch.Gravatar msozeau2006-05-29
| | | | | | | | | | | | | Adds a new kind of casts (CastCoerce) for coercing an object to its base type (e.g. inductive). The new cast_type type subsumes usual casts ConvCasts. Much of the patch is just adding ConvCasts where needed. The Pretyping module has been adapted to this change, although it doesn't change anything yet, but this construct could have a use with current coercions also. Pretyping is also cleaned from the "Use type constraints under lambdas" patch which is not yet ready for wide use. It has been transferred to a copy of the Pretyping Functor in subtac_pretyping_F.ml. Subtac is now working as well as I demonstrated at TYPES. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8875 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Distinction explicite des parties paramètres et arguments dans le typeGravatar herbelin2006-04-27
| | | | | | | | 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
* - Utilisation d'abbréviations pour les types intervenant dans RCasesGravatar herbelin2006-04-26
| | | | | | | | | - Factorisation du procédé de transformation Cases -> RCases dans Detyping - Rebranchement de la traduction XML pour Cases (interrompue depuis suppression traducteur) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8741 85f007b7-540e-0410-9357-904b9bb8a0f7
* Si un fixpoint a plusieurs arguments, mais un seul de type inductif, Gravatar letouzey2006-04-14
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | ce patch dispense d'ecrire le { struct .. } En pratique, dans Topconstr.fixpoint_expr et Rawterm.fix_kind, l'index de l'argument inductif devient un int option au lieu d'un int. Les deux cas possibles: - Some n : les situations autorisées auparavant, a savoir {struct} explicite, ou bien un seul argument au total - None : le cas nouveau, qui redonne un entier lors du passage de rawconstr à constr si l'on trouve effectivement un unique argument ayant un type inductif, et une erreur sinon. Pour l'instant, on cherche l'inductif dans le type de manière syntaxique, mais il est jouable de rajouter un poil de reduction (au moins delta). Dans le détail, voici les coins que ce patch influence: - parsing/g_xml.ml4: continue pour l'instant a attendre un index explicite via un element xml "recIndex" - contrib/interface/xlate.ml: a priori ca marche, car il y avait déjà un cas ctv_ID_OPT_NONE correspondant à l'absence de struct. Par contre, dans le détail, le code pour un CFix utilise l'index de recurrence pour recouper au besoin le type du fixpoint en deux. Est-ce que je me gourre en supposant que si l'on a besoin de couper ainsi ce type, c'est qu'il provient non pas du parseur Coq, mais de l'impression d'un constr, et donc que l'index aura été correctement résolu ? - contrib/subtac/subtac_command.ml: - contrib/funind/indfun.ml: dans les deux cas, j'ai fait le service minimum, le struct reste obligatoire s'il y a plusieurs arguments. Mais ca ne serait pas dur à adapter pour ceux qui comprennent ces parties. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8718 85f007b7-540e-0410-9357-904b9bb8a0f7
* Update of Subtac contrib. Add {wf n R} as an alternative to {struct n}.Gravatar msozeau2006-03-13
| | | | | | | | May cause make world to fail because of dependency problems, make depend clean world should fix that (hopefully). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@8624 85f007b7-540e-0410-9357-904b9bb8a0f7
* Suppression des parseurs et printeurs v7; suppression du traducteur ↵Gravatar herbelin2005-12-26
| | | | | | (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.) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@7732 85f007b7-540e-0410-9357-904b9bb8a0f7
* Changement des named_contextGravatar gregoire2005-12-02
| | | | | | | | Ajout de cast indiquant au kernel la strategie a suivre Resolution du bug sur les coinductifs git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@7639 85f007b7-540e-0410-9357-904b9bb8a0f7
* Parseur pour la DTD XML de constr et un peu plus pour les arguments de tactiquesGravatar herbelin2005-02-04
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@6679 85f007b7-540e-0410-9357-904b9bb8a0f7