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2009-03-28Rewrite of Program Fixpoint to overcome the previous limitations: msozeau
- The measure can now refer to all the formal arguments - The recursive calls can make all the arguments vary as well - Generalized to any relation and measure (new syntax {measure m on R}) This relies on an automatic curryfication transformation, the real fixpoint combinator is working on a sigma type of the arguments. Reduces to the previous impl in case only one argument is involved. The patch also introduces a new flag on implicit arguments that says if the argument has to be infered (default) or can be turned into a subgoal/obligation. Comes with a test-suite file. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@12030 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-03-19coq_makefile: -c and -shared conflict; tacinterp: delay evaluation of tactic ↵barras
genargs git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11995 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-03-16Cleaning/improving the use of the "in" clause (e.g. "unfold foo in H at 4"herbelin
now works correctly, "unfold foo at 4 in H at 3" now fails correctly, etc.). The terminology for clauses (though I don't find the term "clause" very intuitive after all) is mostly preserved except for "simple_clause" which becomes a light form of "clause" instead of being an atom of clause (what played the role of "simple_clause" is now called "goal_location" - better names are welcome). Main changes are in tacticals.ml and tactics.ml. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11981 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-03-04illegal tactic application was having Ltac interpreter loopbarras
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11963 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-02-23Add support for dependent "destruct" over terms in dependent types.herbelin
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11944 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-02-06From v8.2 to trunk:herbelin
- commit 11871 (Miller's pattern detection bug) + a corresponding test - commit 11883 (.ml4 to .cmxs in coq_makefile) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11884 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-02-04Report r11631 from 8.2 and handle non-dependent goals better inmsozeau
[dependent induction]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11881 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-01-22Fixes in the documentation of [dependent induction] and test-suitemsozeau
scripts. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11839 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-01-18Backporting from v8.2 to trunk:herbelin
- Filtering of doc compilation messages (11793,11795,11796). - Fixing bug #1925 and cleaning around bug #1894 (11796, 11801). - Adding some tests. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11802 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-01-13- Standardized prefix use of "Local"/"Global" modifiers as decided inherbelin
late 2008 Coq WG. - Updated Copyright file wrt JProver. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11781 85f007b7-540e-0410-9357-904b9bb8a0f7
2009-01-07Uniformisation of some error messages + added test on setoid rewrite.herbelin
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11765 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-16Finish fix for the treatment of [inverse] in [setoid_rewrite], making amsozeau
variant of the [unify] tactic that takes a hint db as argument and does unification modulo its [transparent_state]. Add test-file for bug #1939 and another [AdvancedTypeClasses.v] that mimicks [AdvancedCanonicalStructure.v]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11685 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-16Fix for syntax changes in test-suite scripts.msozeau
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11684 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-09About "apply in":herbelin
- Added "simple apply in" (cf wish 1917) + conversion and descent under conjunction + contraction of useless beta-redex in "apply in" + support for open terms. - Did not solve the "problem" that "apply in" generates a let-in which is type-checked using a kernel conversion in the opposite side of what the proof indicated (hence leading to a potential unexpected penalty at Qed time). - When applyng a sequence of lemmas, it would have been nice to allow temporary evars as intermediate steps but this was too long to implement. Smoother API in tactics.mli for assert_by/assert_as/pose_proof. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11662 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-03improved simplbarras
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11653 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-02Add new directory for pre-compilation of files needed for further tests.herbelin
Application to the test of notation import from within a section. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11652 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-12-02fixed kernel bug (de Bruijn) + test-suitebarras
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11646 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-27added tests for hyps reorderingbarras
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11635 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-09- Correction erreur dans test output Notation.vherbelin
- Ajout test pour non-régression du bug #1968 git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11569 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-07Slight change of the semantics of user-given casts: they don't reallymsozeau
help the type _checking_ anymore (they don't become typing constraints) but they permit to coerce a subterm in a type. In particular, when using a VM cast we avoid unneeded, unexpected conversions using the default machine (oops!). Also remove the corresponding comment in pretyping and fix the wrong use of casts in toplevel/command: accept the trouble of using evars. This has the somewhat adverse effect that when typing casted object we now have no typing constraints (see e.g. examples in Cases.v)! Probably, this will be backtracked partially tomorrow as many contribs can rely on it and the change could make some unifications fail (in particular with deep coercions). Let's try anyway! git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11558 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-07Add some example uses of the new record features in Record.v:msozeau
- introduction notation with missing fields and interaction with Program. - Ability to add (currently a single) "where notation" clause to each field. - Use every information available to do type inference and internalisation. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11552 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-07Fix a bug in the specialization by unification tactic related to the problemsmsozeau
given by injection. Add the example to the test-suite for [dependent destruction]. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11551 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-11-04Adaptation to ocaml 3.11 new semantics of String.index_from (see bug #1974)herbelin
Grant wish #1988 ("fun" forces reduction in "refine" if needed) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11536 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-26Backtrack sur commit 11467 (tentative d'optimisation meta_instance quiherbelin
s'est avéré ralentir la compilation des user-contribs au final, sans compter aussi le bug 1980 apparemment introduit par ce commit). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11505 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-23Generalized implementation of generalization.msozeau
- New constr_expr construct [CGeneralization of loc * binding_kind * abstraction_kind option * constr_expr] to generalize the free vars of the [constr_expr], binding these using [binding_kind] and making a lambda or a pi (or deciding from the scope) using [abstraction_kind option] (abstraction_kind = AbsLambda | AbsPi) - Concrete syntax "`( a = 0 )" for explicit binding of [a] and "`{ ... }" for implicit bindings (both "..(" and "_(" seem much more difficult to implement). Subject to discussion! A few examples added in a test-suite file. - Also add missing syntax for implicit/explicit combinations for _binders_: "{( )}" means implicit for the generalized (outer) vars, explicit for the (inner) variable itself. Subject to discussion as well :) - Factor much typeclass instance declaration code. We now just have to force generalization of the term after the : in instance declarations. One more step to using Instance for records. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11495 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-19Retour en arrière pour raison de compatibilité sur la suppression du nf_evar herbelin
dans clos_norm_flags (cf échec dans CoRN.Transc.InvTrigonom.Tan_ilim). Ceci dit : - cela ne me parait pas moral que clos_norm_flags s'occupe de normaliser les evars, - mais comme "evar" n'est pas un flag supporté par closure.ml, on ne peut pas le donner à la demande comme argument de clos_norm_flags (question: pourrait-on faire supporter la réduction Evar par closure.ml ??). Plus généralement, il y a un problème avec la propagation des instantiations des evars à travers les buts (cf lemme eapply_evar dans test-suite/success/apply.v). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11470 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-18- Merge modifs coq_makefile.ml4 de la 8.1 vers le trunk (commit 11429)herbelin
- Makefile: typo apparente avec .ml4.preprocessed - test-suite: ajout d'un test sur eta qui trainait dans le coin git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11465 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-14test-suite: more utf8 tests, a test of ! ? and so on in rewritesletouzey
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11449 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-10-03Minor fixes related to coqdoc and --interpolate and the dependentmsozeau
induction test-suite script. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11426 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-15Report improvements in Equations to the dependent elimination tactic:msozeau
- Do not touch at the user equalities and so on by using a blocking constant. This avoids the wild autoinjections and subst tactics that were used before. Thanks to Brian Aydemir for an example were this hurt a lot. - Debug the tactic used to simplify induction hypotheses. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11415 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-13Finish debugging the unification machinery in [Equations]. Do the _compmsozeau
dance when defining a new program by default, which forces use of JMeq but makes for much more robust tactics. Everything in success/Equations works except for limitations due to JMeq or the guardness checker (one example seems to actually diverge...). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11402 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-12Add a type argument to letin_tac instead of using casts and recomputingmsozeau
when one wants a particular type. Rewrite of the unification behind [Equations], much more robust but still buggy w.r.t. inaccessible patterns. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11399 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-11Fixes in dependent induction tactic, putting things in better order formsozeau
simplifications (homogeneous equations first). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11398 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-11Some more debugging of [Equations], unification still not perfect.msozeau
git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11396 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-07More debugging of [Equations], now able to discharge even the heavilymsozeau
dependent [noConfusion] definitions in "A Few Constructions on Constructors". Now the guardness check is blocking. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11374 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-03Correct handling of implicit arguments in [Equations] definitions,msozeau
support for "where" notation declarations as well. Better checking of recursivity or not, after type-checking. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11354 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-02Add support for recursive definitions to [Equations], deciding if amsozeau
definition is recursive or not based on occurence of a rec call in the body. Examples updated, enjoy! git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11353 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-02Initial implementation of a new command to define (dependent) functions bymsozeau
equations. It is essentially an implementation of the "Eliminating Dependent Pattern-Matching" paper by Goguen, McBride and McKinna, relying on the new dependent eliminations tactics. The bulk is in contrib/subtac/equations.ml4. It implements a tree splitting on a set of clauses and the generation of a corresponding proof term along with some obligations at each splitting node. The obligations are solved by driving the dependent elimination tactic and you get a complete proof term at the end with the code given by the equations at the right spots, the rest of the cases being pruned automatically. Does not support recursion yet, a file with examples is in the test-suite. With recursion, it would be similar to Agda 2's pattern matching, except it won't reduce in Coq due to JMeq's/K. Incidentally, the simplification tactics after dependent elimination have been improved, resulting in a clearer and more space efficient implementation. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11352 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-09-02Propagating commit 11343 from branch v8.2 to trunk (wish 1934 aboutherbelin
backtracking on coercion classes when a coercion path fails). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11344 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-08-05Correction de bugs:herbelin
- 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. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11305 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-07-22Correct implementation of discharging of implicit arguments and add newmsozeau
setting "Set Manual Implicit Arguments" for manual-only implicits. Fix test-suite script. This removes the discharge_info argument of "dynamic" object's rebuild function. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11242 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-07-11Correction d'un autre bug autour de la gestion des niveaux vides deherbelin
camlp4 (faire l'initialisation dans l'ordre: les sous-niveaux vides, eux-mêmes dans l'ordre, avant de créer le niveau de la notation elle-même). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11220 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-07-07Fix implicit arguments in sections bug and check for resolution of evars whenmsozeau
defining records. Fix test-suite script because of new implicit argument setting for DefaultRelation. Fix regression in auto, changing the order of tried lemmas. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11213 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-06-29Préférence donnée aux constantes qui ne sont pas des projectionsherbelin
canoniques lors d'une unification constante/constante s'apprêtant à déplier l'une des deux constantes (suggestion des utilisateurs de structures canoniques), ceci afin de préserver des possibilités ultérieures de résolution d'evars par équipement en structure canonique. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11187 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-06-21- Implantation de la suggestion 1873 sur discriminate. Au final,herbelin
discriminate/injection/simplify_eq acceptent maintenant un terme comme argument. Les clauses "with" et les variantes "e" sont aussi acceptées. Aussi, discriminate sans argument essaie maintenant toutes les hyps quantifiées (au lieu de traiter seulement les buts t1<>t2). --This line, and those below, will be ignored-- M doc/refman/RefMan-tac.tex M CHANGES M pretyping/evd.ml M pretyping/termops.ml M pretyping/termops.mli M pretyping/clenv.ml M tactics/extratactics.ml4 M tactics/inv.ml M tactics/equality.ml M tactics/tactics.mli M tactics/equality.mli M tactics/tacticals.ml M tactics/eqdecide.ml4 M tactics/tacinterp.ml M tactics/tactics.ml M tactics/extratactics.mli M toplevel/auto_ind_decl.ml M contrib/funind/invfun.ml M test-suite/success/Discriminate.v M test-suite/success/Injection.v M proofs/clenvtac.mli M proofs/clenvtac.ml git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11159 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-06-18Propagation des révisions 11144 et 11136 de la 8.2 vers le trunkherbelin
(résolution entre autres des bugs 1882, 1883, 1884). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11145 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-06-10- Amélioration nommage dans EqdepFacts suivant remarque de Arthur C.herbelin
- Test match dépendant. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11095 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-06-08- Extension de "generalize" en "generalize c as id at occs".herbelin
- Ajout clause "in" à "remember" (et passage du code en ML). - Ajout clause "in" à "induction"/"destruct" qui, en ce cas, ajoute aussi une égalité pour se souvenir du terme sur lequel l'induction ou l'analyse de cas s'applique. - Ajout "pose t as id" en standard (Matthieu: j'ai enlevé celui de Programs qui avait la sémantique de "pose proof" tandis que le nouveau a la même sémantique que "pose (id:=t)"). - Un peu de réorganisation, uniformisation de noms dans Arith, et ajout EqNat dans Arith. - Documentation tactiques et notations de tactiques. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11072 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-05-30Improve the dependent induction tactic to automatically find themsozeau
generalized hypotheses. Also move part of the tactic to ML and improve the generated proof term in case of non-dependent induction. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@11023 85f007b7-540e-0410-9357-904b9bb8a0f7
2008-05-26Résolution bug #1850 sur notations avec niveaux inconnus deherbelin
camlp4. Petit nettoyage en passant. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@10987 85f007b7-540e-0410-9357-904b9bb8a0f7
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