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* Merge branch 'trunk' into located_switchGravatar Emilio Jesus Gallego Arias2017-05-24
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| * Remove some unused values and typesGravatar Gaetan Gilbert2017-04-27
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* | [location] Remove Loc.ghost.Gravatar Emilio Jesus Gallego Arias2017-04-25
| | | | | | | | Now it is a private field, locations are optional.
* | [location] Use located in misctypes.Gravatar Emilio Jesus Gallego Arias2017-04-24
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* Removing most nf_enter in tactics.Gravatar Pierre-Marie Pédrot2017-02-14
| | | | | Now they are useless because all of the primitives are (should?) be evar-insensitive.
* Namegen primitives now apply on evar constrs.Gravatar Pierre-Marie Pédrot2017-02-14
| | | | | | Incidentally, this fixes a printing bug in output/inference.v where the displayed name of an evar was the wrong one because its type was not evar-expanded enough.
* Removing various compatibility layers of tactics.Gravatar Pierre-Marie Pédrot2017-02-14
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* Ltac now uses evar-based constrs.Gravatar Pierre-Marie Pédrot2017-02-14
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* Removing compatibility layers in RetypingGravatar Pierre-Marie Pédrot2017-02-14
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* Reductionops now return EConstrs.Gravatar Pierre-Marie Pédrot2017-02-14
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* Eliminating parts of the right-hand side compatibility layerGravatar Pierre-Marie Pédrot2017-02-14
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* Rewrite API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Tactics API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Tacticals API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Clenv API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Goal API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Making judgment type generic over the type of inner constrs.Gravatar Pierre-Marie Pédrot2017-02-14
| | | | | | | | | This allows to factorize code and prevents the unnecessary use of back and forth conversions between the various types of terms. Note that functions from typing may now raise errors as PretypeError rather than TypeError, because they call the proper wrapper. I think that they were wrongly calling the kernel because of an overlook of open modules.
* Unification API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Pretyping API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Coercion API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Typing API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Retyping API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Reductionops API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Termops API using EConstr.Gravatar Pierre-Marie Pédrot2017-02-14
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* Make the user_err header an optional parameter.Gravatar Emilio Jesus Gallego Arias2016-08-19
| | | | Suggested by @ppedrot
* Remove errorlabstrm in favor of user_errGravatar Emilio Jesus Gallego Arias2016-08-19
| | | | | | | As noted by @ppedrot, the first is redundant. The patch is basically a renaming. We didn't make the component optional yet, but this could happen in a future patch.
* errors.ml renamed into cErrors.ml (avoid clash with an OCaml compiler-lib ↵Gravatar Pierre Letouzey2016-07-03
| | | | | | module) For the moment, there is an Error module in compilers-lib/ocamlbytecomp.cm(x)a
* Separate flags for fix/cofix/match reduction and clean reduction function names.Gravatar Maxime Dénès2016-07-01
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This is a reimplementation of Hugo's PR#117. We are trying to address the problem that the name of some reduction functions was not saying what they were doing (e.g. whd_betadeltaiota was doing let-in reduction). Like PR#117, we are careful that no function changed semantics without changing the names. Porting existing ML code should be a matter of renamings a few function calls. Also, we introduce more precise reduction flags fMATCH, fFIX, fCOFIX collectively denominated iota. We renamed the following functions: Closure.betadeltaiota -> Closure.all Closure.betadeltaiotanolet -> Closure.allnolet Reductionops.beta -> Closure.beta Reductionops.zeta -> Closure.zeta Reductionops.betaiota -> Closure.betaiota Reductionops.betaiotazeta -> Closure.betaiotazeta Reductionops.delta -> Closure.delta Reductionops.betalet -> Closure.betazeta Reductionops.betadelta -> Closure.betadeltazeta Reductionops.betadeltaiota -> Closure.all Reductionops.betadeltaiotanolet -> Closure.allnolet Closure.no_red -> Closure.nored Reductionops.nored -> Closure.nored Reductionops.nf_betadeltaiota -> Reductionops.nf_all Reductionops.whd_betadelta -> Reductionops.whd_betadeltazeta Reductionops.whd_betadeltaiota -> Reductionops.whd_all Reductionops.whd_betadeltaiota_nolet -> Reductionops.whd_allnolet Reductionops.whd_betadelta_stack -> Reductionops.whd_betadeltazeta_stack Reductionops.whd_betadeltaiota_stack -> Reductionops.whd_all_stack Reductionops.whd_betadeltaiota_nolet_stack -> Reductionops.whd_allnolet_stack Reductionops.whd_betadelta_state -> Reductionops.whd_betadeltazeta_state Reductionops.whd_betadeltaiota_state -> Reductionops.whd_all_state Reductionops.whd_betadeltaiota_nolet_state -> Reductionops.whd_allnolet_state Reductionops.whd_eta -> Reductionops.shrink_eta Tacmach.pf_whd_betadeltaiota -> Tacmach.pf_whd_all Tacmach.New.pf_whd_betadeltaiota -> Tacmach.New.pf_whd_all And removed the following ones: Reductionops.whd_betaetalet Reductionops.whd_betaetalet_stack Reductionops.whd_betaetalet_state Reductionops.whd_betadeltaeta_stack Reductionops.whd_betadeltaeta_state Reductionops.whd_betadeltaeta Reductionops.whd_betadeltaiotaeta_stack Reductionops.whd_betadeltaiotaeta_state Reductionops.whd_betadeltaiotaeta They were unused and having some reduction functions perform eta is confusing as whd_all and nf_all don't do it.
* Optim in Clenv: use noccurn instead of depends.Gravatar Pierre-Marie Pédrot2016-06-24
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* Merge branch 'v8.5'Gravatar Pierre-Marie Pédrot2016-06-13
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| * Another fix to #4782 (a typing error not captured when dealing with bindings).Gravatar Hugo Herbelin2016-06-12
| | | | | | | | | | | | The tentative fix in f9695eb4b (which I was afraid it might be too strong, since it was implying failing more often) indeed broke other things (see #4813).
| * Fixing #4782 (a typing error not captured when dealing with bindings).Gravatar Hugo Herbelin2016-06-11
| | | | | | | | | | | | Trying to now catch all unification errors, but without a clear view at whether some errors could be tolerated at the point of checking the type of the binding.
* | Merge branch 'v8.5'Gravatar Pierre-Marie Pédrot2016-01-21
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| * Update copyright headers.Gravatar Maxime Dénès2016-01-20
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* | Merge branch 'v8.5'Gravatar Pierre-Marie Pédrot2015-11-20
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* | Inlining the only use of Clenv.connect_clenv.Gravatar Pierre-Marie Pédrot2015-11-18
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| * Performance fix for destruct.Gravatar Pierre-Marie Pédrot2015-11-17
| | | | | | | | | | | | The clenv_fchain function was needlessly merging universes coming from two evarmaps even though one was an extension of the other. A flag was added so that the tactic just retrieves the newer universes.
* | Making Evarutil.new_evar monotonous.Gravatar Pierre-Marie Pédrot2015-10-18
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* | Removing meta_with_name from Evd.Gravatar Pierre-Marie Pédrot2015-09-27
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* | Removing uselessly duplicated function in Evd.Gravatar Pierre-Marie Pédrot2015-09-27
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* Safer typing primitives.Gravatar Pierre-Marie Pédrot2015-05-13
| | | | | | | | | | | | | | | | Some functions from pretyping/typing.ml and their derivatives were potential source of evarmap leaks, as they dropped their resulting evarmap. This commit clarifies the situation by renaming them according to a unsafe_* scheme. Their sound variant is likewise renamed to their old name. The following renamings were made. - Typing.type_of -> unsafe_type_of - Typing.e_type_of -> type_of - A new e_type_of function that matches the e_ prefix policy - Tacmach.pf_type_of -> pf_unsafe_type_of - A new safe pf_type_of function. All uses of unsafe_* functions should be eventually eliminated.
* Update headers.Gravatar Maxime Dénès2015-01-12
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* Cleaning and documenting Clenv.make_evar_clauseGravatar Pierre-Marie Pédrot2014-10-27
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* This commit introduces changes in induction and destruct.Gravatar Hugo Herbelin2014-10-25
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The main change is that selection of subterm is made similar whether the given term is fully applied or not. - The selection of subterm now works as follows depending on whether the "at" is given, of whether the subterm is fully applied or not, and whether there are incompatible subterms matching the pattern. In particular, we have: "at" given | subterm fully applied | | incompatible subterms | | | Y Y - it works like in 8.4 Y N - this was broken in 8.4 ("at" was ineffective and it was finding all subterms syntactically equal to the first one which matches) N Y Y it now finds all subterms like the first one which matches while in 8.4 it used to fail (I hope it is not a too risky in-draft for a semantics we would regret...) (e.g. "destruct (S _)" on goal "S x = S y + S x" now selects the two occurrences of "S x" while it was failing before) N Y N it works like in 8.4 N N - it works like in 8.4, selecting all subterms like the first one which matches - Note that the "historical" semantics, when looking for a subterm, to select all subterms that syntactically match the first subterm to match the pattern (looking from left to right) is now internally called "like first". - Selection of subterms can now find the type by pattern-matching (useful e.g. for "induction (nat_rect _ _ _ _)") - A version of Unification.w_unify w/o any conversion is used for finding the subterm: it could be easily replaced by an other matching algorithm. In particular, "destruct H" now works on a goal such as "H:True -> x<=y |- P y". Secondary change is in the interpretation of terms with existential variables: - When several arguments are given, interpretation is delayed at the time of execution - Because we aim at eventually accepting "edestruct c" with unresolved holes in c, we need the sigma obtained from c to be an extension of the sigma of the tactics, while before, we just type-checked c independently of the sigma of the tactic - Finishing the resolution of evars (using type classes, candidates, pending conversion problems) is made slightly cleaner: it now takes three states: a term is evaluated in state sigma, leading to state sigma' >= sigma, with evars finally solved in state sigma'' >= sigma'; we solve evars in the diff of sigma' and sigma and report the solution in sigma'' - We however renounce to give now a success semantics to "edestruct c" when "c" has unresolved holes, waiting instead for a decision on what to do in the case of a similar eapply (see mail to coqdev). An auxiliary change is that an "in" clause can be attached to each component of a "destruct t, u, v", etc. Incidentally, make_abstraction does not do evar resolution itself any longer.
* Lazily check that an argument is dependent when constructing evar clauses.Gravatar Pierre-Marie Pédrot2014-10-21
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* Adding an evar version of the make_clenv function.Gravatar Pierre-Marie Pédrot2014-10-21
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* Be more conservative and keep the use of eq_constr in pretyping/ functions.Gravatar Matthieu Sozeau2014-09-17
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* Fix bug #3593, making constr_eq and progress work up toGravatar Matthieu Sozeau2014-09-17
| | | | equality of universes, along with a few other functions in evd.
* Uniformisation of the order of arguments env and sigma.Gravatar Hugo Herbelin2014-09-12
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* Referring to evars by names. Added a parser for evars (but parsing ofGravatar Hugo Herbelin2014-09-12
| | | | | instances still to do). Using heuristics to name after the quantifier name it comes. Also added a "sigma" to almost all printing functions.