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* Init: some results in Type should rather be Defined than QedGravatar letouzey2011-03-21
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13920 85f007b7-540e-0410-9357-904b9bb8a0f7
* Makefile.build: states/initial.coq was wrongly done with -dont-load-proofsGravatar letouzey2011-03-21
| | | | | | This was breaking the FireSquad extraction test git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13919 85f007b7-540e-0410-9357-904b9bb8a0f7
* Makefile.build: compile the stdlib with -dont-load-proofs by defaultGravatar letouzey2011-03-18
| | | | | | | | Since library files aren't meant to contain queries like Print Assumptions nor extractions, it is safe (and quite quicker) to compile them with -dont-load-proofs git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13918 85f007b7-540e-0410-9357-904b9bb8a0f7
* A tatical "timeout <n> <tac>" that fails if <tac> hasn't finished in <n> secondsGravatar letouzey2011-03-18
| | | | | | | | | | | | | | Note: even if this new tactical can be quite handy during the development phase, (for instance to bound the time allocated to some search tactics), please be aware of its main drawback: with it, scripts are no longer machine-independant, something that works on a quick machine may fail on a slow one. The converse is even possible if you combine this "timeout" with other tactic combinators. We strongly advise to not leave any "timeout" in the final version of a development. In addition, this feature won't probably work on native win32, since Unix.alarm isn't implemented. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13917 85f007b7-540e-0410-9357-904b9bb8a0f7
* An option "Set Default Timeout n."Gravatar letouzey2011-03-17
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13916 85f007b7-540e-0410-9357-904b9bb8a0f7
* Goptions: repair Unset for int optionsGravatar letouzey2011-03-17
| | | | | | | | | Previous code was trying to do a bool write, and in case of error, a int write. But for compatibility reason, bool write error were turned into warnings, preventing Unset Foo Bar to work when Foo Bar is an int option. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13915 85f007b7-540e-0410-9357-904b9bb8a0f7
* CompareSpec: a slight generalization/reformulation of CompSpecGravatar letouzey2011-03-17
| | | | | | | | | | | | | | | | | | | CompareSpec expects 3 propositions Peq Plt Pgt instead of 2 relations eq lt and 2 points x y. For the moment, we still always use (Peq=eq x y), (Plt=lt x y) (Pgt=lt y x), but this may not be always the case, especially for Pgt. The former CompSpec is now defined in term of CompareSpec. Compatibility is preserved (except maybe a rare unfold or red to break the CompSpec definition). Typically, CompareSpec looks nicer when we have infix notations, e.g. forall x y, CompareSpec (x=y) (x<y) (y<x) (x?=x) while CompSpec is shorter when we directly refer to predicates: forall x y, CompSpec eq lt x y (compare x y) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13914 85f007b7-540e-0410-9357-904b9bb8a0f7
* Adapt printers.mllib after my last commitGravatar letouzey2011-03-16
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13913 85f007b7-540e-0410-9357-904b9bb8a0f7
* Finish branching functions handling module errors (cf. r13886)Gravatar letouzey2011-03-16
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13912 85f007b7-540e-0410-9357-904b9bb8a0f7
* Remove some weird syntax "fun ... ," that used to be accepted (cf r13876)Gravatar letouzey2011-03-16
| | | | | | Probably something related with the unicode lambda syntax... git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13911 85f007b7-540e-0410-9357-904b9bb8a0f7
* Adapt test-suite/output/Extraction_matchs_2413 to new indentation of extractionGravatar letouzey2011-03-16
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13910 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix inductive_template building ill-typed evars, and update test-suite scriptsGravatar msozeau2011-03-13
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13909 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Add modulo_delta_types flag for unification to allow fullGravatar msozeau2011-03-13
| | | | | | | | | | | | | | | | conversion when checking types of instanciations while having restricted delta reduction for unification itself. This makes auto/eauto... backward compatible. - Change semantics of [Instance foo : C a.] to _not_ search for an instance of [C a] automatically and potentially slow down interaction, except for trivial classes with no fields. Use [C a := _.] or [C a := {}] to search for an instance of the class or for every field. - Correct treatment of transparency information for classes declared in sections. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13908 85f007b7-540e-0410-9357-904b9bb8a0f7
* Keep information on which fields are subclasses in class declarations,Gravatar msozeau2011-03-11
| | | | | | | in preparation for adding forward reasoning to typeclass resolution. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13907 85f007b7-540e-0410-9357-904b9bb8a0f7
* Inference of match predicate produces ill-typed unification problem,Gravatar msozeau2011-03-11
| | | | | | | revert to manual building of the predicate. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13906 85f007b7-540e-0410-9357-904b9bb8a0f7
* Tentative to make unification check types at every instanciation of anGravatar msozeau2011-03-11
| | | | | | | | | | | | | evar, and simultaneously make type inference with universes work better. This only exports more functions from kernel/univ, to be able to work with a set of universe variables during type inference. Universe constraints are gradually added during type checking, adding information necessary e.g. to lower the level of unknown Type variables to Prop or Set. There does not seem to be a disastrous performance hit on the stdlib, but might have one on some contribs (hence the "Tentative"). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13905 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Better error messages taking unif. constraints into account.Gravatar msozeau2011-03-11
| | | | | | | - Normalize evars in typeclasses eauto also before [intro]. - Disallow use of nf_evars variants that drop unif. constraints. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13904 85f007b7-540e-0410-9357-904b9bb8a0f7
* Forgot a use of evars_reset_evd in nf_evars, add an optional argument asGravatar msozeau2011-03-10
| | | | | | | in the 8.3 patch. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13903 85f007b7-540e-0410-9357-904b9bb8a0f7
* Do not forget conv_pbs when resetting an evm: Gravatar msozeau2011-03-10
| | | | | | | | | | - In clenv, this used to forget the existing constraints, there are none in the other evar_map. - Other uses (evar_refiner, class_tactics) always reset with an enriched version of the same evar_map. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13901 85f007b7-540e-0410-9357-904b9bb8a0f7
* ZBits,ZdivEucl,ZDivFloor: a few lemmas with weaker preconditionsGravatar letouzey2011-03-10
| | | | | | Initial patch by Robbert Krebbers. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13900 85f007b7-540e-0410-9357-904b9bb8a0f7
* Solve evar instantiations in the right environment.Gravatar msozeau2011-03-08
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13899 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix declarations of [Add Setoid/Morphism...] in sections to not exportGravatar msozeau2011-03-08
| | | | | | | by default (bug introduced in r13842). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13898 85f007b7-540e-0410-9357-904b9bb8a0f7
* syntax for exponentsGravatar pottier2011-03-08
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13897 85f007b7-540e-0410-9357-904b9bb8a0f7
* adding eta in the vmGravatar bgregoir2011-03-08
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13896 85f007b7-540e-0410-9357-904b9bb8a0f7
* Reverted commit r13893 about propagation of more informativeGravatar herbelin2011-03-07
| | | | | | | unification failure messages (it is not fully usable and was not intended to be committed now, sorry for the noise). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13895 85f007b7-540e-0410-9357-904b9bb8a0f7
* Revert commit r13883: instantiating ?n by a lambda when "?n a" has toGravatar herbelin2011-03-07
| | | | | | | | be unified with a (truly) rigid term would need to be able to project non-atomic arguments of evars what is not done (consider e.g. "Check (fun m n (H:m+n=n) => ((f_equal _ H) : S (m+n) = S n))."). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13894 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added propagation of evars unification failure reasons for betterGravatar herbelin2011-03-07
| | | | | | | | error messages. The architecture of unification error handling changed, not helped by ocaml for checking that every exceptions is correctly caught. Report or fix if you find a regression. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13893 85f007b7-540e-0410-9357-904b9bb8a0f7
* CHANGES: mentionning quickly Separate ExtractionGravatar letouzey2011-03-07
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13892 85f007b7-540e-0410-9357-904b9bb8a0f7
* Extraction: a warning when an opaque constant is enterredGravatar letouzey2011-03-07
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13891 85f007b7-540e-0410-9357-904b9bb8a0f7
* Extraction: fix printing of haskell modular namesGravatar letouzey2011-03-07
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13890 85f007b7-540e-0410-9357-904b9bb8a0f7
* Extraction: avoid printing unused mutual fix components (fix #2477)Gravatar letouzey2011-03-07
| | | | | | | This happens for instance when the main component of the fixpoint block has been provided via Extract Constant git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13889 85f007b7-540e-0410-9357-904b9bb8a0f7
* A new command "Separate Extraction"Gravatar letouzey2011-03-07
| | | | | | | | | | | | | | | This is a mix of "Recursive Extraction" and "Extraction Library": - like "Extraction Library", the extracted code is splitted in separated files, one per coq source file. - unlike "Extraction Library", but similarly to "Recursive Extraction", not everything gets extracted, but only dependencies of some initially-given elements We prepare for a more clever dependency selection inside sub-modules. For the moment all needed sub-modules are still fully extracted (other we would need to fix signatures accordingly). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13888 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added a table for using reserved names for binding names to typesGravatar herbelin2011-03-05
| | | | | | (in addition of types to names) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13887 85f007b7-540e-0410-9357-904b9bb8a0f7
* Moving printing of module typing errors upwards to himsg.ml so as toGravatar herbelin2011-03-05
| | | | | | be able to call term printers. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13886 85f007b7-540e-0410-9357-904b9bb8a0f7
* Starting being more explicit on the reasons why module subtyping fails.Gravatar herbelin2011-03-05
| | | | | | | | | Note: I'm unsure about some subtyping error case apparently involving aliases of inductive types (middle of Subtyping.check_inductive); I bound it to some NotEqualInductiveAliases error, but this has to be checked. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13885 85f007b7-540e-0410-9357-904b9bb8a0f7
* A few more betaiota on environments and types of error messages. Seems toGravatar herbelin2011-03-05
| | | | | | be convenient in general. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13884 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added support for instantiation of ?n by a lambda when "?n a" has toGravatar herbelin2011-03-05
| | | | | | be unified with a (truly) rigid term. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13883 85f007b7-540e-0410-9357-904b9bb8a0f7
* Reorganized a bit evarconv.ml:Gravatar herbelin2011-03-05
| | | | | | | | | | | | | | | - Made a distinction between truly rigid constructions (Rigid) and possibly flexible constructions (match/fix/meta, now called PseudoRigid) that are currently assimilated to rigid by lack of appropriate study of their flexibility. One day, the flexibility of these pseudo-rigid constructions will have to considered seriously. - Removed useless Cast/Cast cases in Rigid/Rigid block (Cast are removed in advance and LetIn are not considered Rigid). - Moved LetIn into the MaybeFlexible class. - Moved the Lambda/Lambda case upwards to factorize the rules for eta-expansion. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13882 85f007b7-540e-0410-9357-904b9bb8a0f7
* Improved define_evar_as_lambda which was creating an unrelated new evarGravatar herbelin2011-03-05
| | | | | | for the domain instead of retrieving the known domain of the initial evar. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13881 85f007b7-540e-0410-9357-904b9bb8a0f7
* Instantiate evar by a lambda when "?n args" has to unify with ProdGravatar herbelin2011-03-05
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13880 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixed a "feature" about subtyping records: one was expected not onlyGravatar herbelin2011-03-05
| | | | | | | that the fields had the same names but that the parameters of the record had exactly the same names too. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13879 85f007b7-540e-0410-9357-904b9bb8a0f7
* Restore documentation of library String which was removed in 2007 (r10049)Gravatar herbelin2011-03-05
| | | | | | | probably inadvertantly since it is not reported in the commit log. (Thanks to Cédric who noticed it.) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13877 85f007b7-540e-0410-9357-904b9bb8a0f7
* Forgotten removal of ',' in 'fun' rule: it has to come with the lambda notationGravatar herbelin2011-03-05
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13876 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing injection bug #2493 (regression introduced by fixing injectionGravatar herbelin2011-03-05
| | | | | | bug #2255 from 8.2pl2: use of unification might support cumulativity). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13873 85f007b7-540e-0410-9357-904b9bb8a0f7
* CHANGES: update of syntax for annotations of functor applicationGravatar letouzey2011-03-04
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13871 85f007b7-540e-0410-9357-904b9bb8a0f7
* Extraction: improved indentation of extracted code (fix #2497)Gravatar letouzey2011-03-04
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | For Haskell, we still try to provide readable indentation, but we now avoid relying on this indentation for correctness. Instead, we use layout-independant syntax with { } when necessary (after "case of" and "let"). It is much safer this way, even if the syntax gets a bit more cumbersome. For people allergic to {;}, they can most of the time do a tr -d "{;}" without changing the meaning of the program. Be careful nonetheless: since "case of" is now delimited, some parenthesis that used to be mandatory are now removed. Note also that the initial "module ... where" is still without { }: even when Format goes crazy it doesn't tamper with column 0. Other modifications: - Using "Set Printing Width" now affects uniformly the extraction pretty-printers. You can set a greater value than the default 78 before extracting a program that you know to be "really deep". - In ocaml (and also a bit in Haskell), we now try to avoid abusing of 2-char-right-indentation. For instance | is now aligned with the "m" of match. This way, max_indent will be reached less frequently. - As soon as a pretty-print box contains an explicit newline, we set its virtual size to a big number, in order to prevent this box to be part of some horizontal arrangement. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13870 85f007b7-540e-0410-9357-904b9bb8a0f7
* Simplify proofs in Permutation using generalized rewriting.Gravatar msozeau2011-03-04
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13869 85f007b7-540e-0410-9357-904b9bb8a0f7
* - Allow to set a particular transparent_state for the local hintGravatar msozeau2011-03-04
| | | | | | | | database - Fix [specialize] to properly resolve typeclass constraints. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13868 85f007b7-540e-0410-9357-904b9bb8a0f7
* checker: cleanupGravatar glondu2011-03-04
| | | | | | Backport of changes introduced in r13443. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13867 85f007b7-540e-0410-9357-904b9bb8a0f7
* checker: add eta-expansionGravatar glondu2011-03-04
| | | | | | Backport of changes introduced in r13443 and r13494. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13866 85f007b7-540e-0410-9357-904b9bb8a0f7
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