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* Extend the computation of dependencies in pattern-matching compilationGravatar herbelin2011-11-21
| | | | | | | | | | | | | | | | | | | to the dependencies in the real arguments (a.k.a. indices) of the terms to match. This allows in particular to make the example from bug report #2404 work. TODO: move the computation of dependencies in compile_branch at the time of splitting a branch (where the computation is done now, it does not allow to support dependent matching on the second argument of a constructor of type "forall b, (if b then Vector.t n else nat) -> Vector.t n -> foo"). TODO: take dependencies in Var's into account and take dependencies within non-Rel arguments also into account (as in "match v (f t) with ... end" where v is a Var and the type of (f t) depends on it). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14711 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug #2640 and variants of it (inconsistency between when andGravatar herbelin2011-11-17
| | | | | | | | | | | how the names of an ltac expression are globalized - allowing the expression to be a constr and in some initial context - and when and how this ltac expression is interpreted - now expecting a pure tactic in a different context). This incidentally found a Ltac bug in Ncring_polynom! git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14676 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug #1834 (de Bruijn indices bug in pattern-matching compilation).Gravatar herbelin2011-11-16
| | | | | | | | | | | (technically, since the signature "tomatch" of terms to match and of terms to generalize is typed in a context that does not consider terms to match as binders while the return predicate do consider them as binders, the adjusment of the context of the "tomatch" to the context of the predicate needs lifting in each missing part of the "tomatch" context, what was not done) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14664 85f007b7-540e-0410-9357-904b9bb8a0f7
* Regression tests for bugs #2613 and #2616.Gravatar herbelin2011-10-25
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14604 85f007b7-540e-0410-9357-904b9bb8a0f7
* New strategy to infer return predicate of match construct whenGravatar herbelin2011-10-25
| | | | | | | | | | | | | | | | | | | | external type has evars. We now create a new ad hoc evar instead of having evars as arguments of evars and use filters to resolved them as was done since about r10124. In particular, this completes the resolution of bug 2615. Evar filters for occurrences might be obsolete as a consequence of this commit. Also, abstract_tycon, evar_define, second_order_matching which all implement some form of second_order_matching should eventually be merged (abstract_tycon looks for subterms up to delta while second_order_matching currently looks for syntactic equal subterms, evar_define doesn't consider the possible dependencies in non-variables-nor-constructors subterms but has a better handling of aliases, ...). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14592 85f007b7-540e-0410-9357-904b9bb8a0f7
* Mod_subst: Attempt to fix #2608Gravatar letouzey2011-10-24
| | | | | | | | | In presence of inlining, it seems that no alias is propagated on the canonical kernel_name. We modify [subst_con0] to enforce this semantics. It seems to work well, but my understanding of this code is still limited... git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14587 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #2473 due to wrong folding of the evar environmentGravatar msozeau2011-10-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14573 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix inductive coercion code in Program (bug #2378)Gravatar msozeau2011-10-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14571 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #2586 and enhance clsubst* as well as a side effectGravatar msozeau2011-10-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14570 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #2456 and wrong unfolding of lets in the goal due to [unfold] doing ↵Gravatar msozeau2011-10-17
| | | | | | zeta reductions. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14564 85f007b7-540e-0410-9357-904b9bb8a0f7
* test-suite: non-regression test for bug #2603Gravatar letouzey2011-10-12
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14556 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added test for bug #2615Gravatar herbelin2011-10-11
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14555 85f007b7-540e-0410-9357-904b9bb8a0f7
* fsetdec : non-atomic elements are now transformed as variables first (fix #2464)Gravatar letouzey2011-10-07
| | | | | | Btw, we also get rid of equalities on something else than elements or sets git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14525 85f007b7-540e-0410-9357-904b9bb8a0f7
* Improved handling of element equalities in fsetdec (fix #2467)Gravatar letouzey2011-10-07
| | | | | | | | | | | - We now handle things like (H : E.eq x x -> ...) by rewriting E.eq x x into True. - There was also a confusion between E.t and its various equivalent (but syntactically different) forms. This should be solved by preventing inlining during an inner functor application. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14520 85f007b7-540e-0410-9357-904b9bb8a0f7
* Omega aware of Z.pred (fix #1912)Gravatar letouzey2011-09-15
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14472 85f007b7-540e-0410-9357-904b9bb8a0f7
* Re-allowing assumptions during proofs seems safe now (fix #2411)Gravatar letouzey2011-09-15
| | | | | | | | | | | | | This restriction was introduce to solve #808, whose underlying issue (causing a anomaly) doesn't seem active anymore. Semantic: - Axiom in the middle of a proof : immediatly usable (just as a Definition) - Hypothesis or Variable : not visible in current proof, only usable in the next ones. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14470 85f007b7-540e-0410-9357-904b9bb8a0f7
* Relaxed the constraint introduced in r14190 that froze the existingGravatar herbelin2011-06-18
| | | | | | | | | | | evars when rewriting. Use it for autorewrite and subst. Accept evars instantiation in multi_rewrite so that rewrite alone remains compatible (it is used in contribs, e.g. Godel, in places where it does not seem absurd to allow it), but there are no good reason for it. Comments welcome. + addition of some tests for rewriting (one being related to commit 14217) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14222 85f007b7-540e-0410-9357-904b9bb8a0f7
* r14204 and 14218 continued: completely removing test for bug #2490,Gravatar herbelin2011-06-18
| | | | | | | leaving the decision of what to do with it to Matthieu; sorry for the confusion. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14219 85f007b7-540e-0410-9357-904b9bb8a0f7
* Partial backtrack on wrong r14204: bug #2490 still open.Gravatar herbelin2011-06-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14218 85f007b7-540e-0410-9357-904b9bb8a0f7
* Regression files for bugs #2304 and #2490.Gravatar herbelin2011-06-14
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14204 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug #2181 (Class mechanism can create dependencies over unnamedGravatar herbelin2011-06-14
| | | | | | fields of records). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14201 85f007b7-540e-0410-9357-904b9bb8a0f7
* Test for bug 462 and 2342 fixed by Matthieu's 13990 (or so).Gravatar herbelin2011-05-15
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14124 85f007b7-540e-0410-9357-904b9bb8a0f7
* Merge branch 'subclasses' into coq-trunkGravatar msozeau2011-05-05
| | | | | | | | | Stop using hnf_constr in unify_type, which might unfold constants that are marked opaque for unification. Conflicts: pretyping/unification.ml git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@14092 85f007b7-540e-0410-9357-904b9bb8a0f7
* Some fixes of the test-suite scriptsGravatar letouzey2011-02-21
| | | | | | | | In particular, the Fail meta-command cannot for the moment catch a Syntax Error, which is raised by Vernac.parse_sentence, before we even now that the line starts by a Fail... git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13847 85f007b7-540e-0410-9357-904b9bb8a0f7
* Correct handling of existential variables when multiple differentGravatar msozeau2011-02-08
| | | | | | | | | instances of the lemma are rewritten at once. Cleanup dead code and put the problematic cases in the test-suite. Also fix some test-suite scripts. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13813 85f007b7-540e-0410-9357-904b9bb8a0f7
* Adding test-case for bug #2362, which uses HO unification duringGravatar msozeau2010-10-12
| | | | | | | typeclass resolution. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13533 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #2393: allow let-ins inside telescopes (only fails when there'sGravatar msozeau2010-10-12
| | | | | | | no undefined variables in the context now). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13532 85f007b7-540e-0410-9357-904b9bb8a0f7
* Backporting r13521 from branch 8.3 to trunk (fixing bug #2406, loopingGravatar herbelin2010-10-11
| | | | | | | on unsupported unicode character) + forbidding unsupported unicode in Notation declarations too. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13526 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixed test of bug #2360 (use of Fail to check a regular error insteadGravatar herbelin2010-09-20
| | | | | | of an anomaly). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13442 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug #2360 (descend_in_conjunctions built ill-typed terms). Shouldn't weGravatar herbelin2010-09-19
| | | | | | revert the catch of anomalies in reductionops.ml now (commit 13353)? git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13439 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bugs #2347 (part 2) and #2388: error message printing was doneGravatar herbelin2010-09-18
| | | | | | | | | | | | | | | | | too late, in a global environment which was no longer the correct one, leading to the failure of error printing (hence an anomaly) in case the command modified the state in several steps. Now, errors raised by vernac commands are processed in the same (intermediate) state they were raised from, just before rolling back to the original state. that modify the state in several Now, errors raised by vernac commands that modify the state in several steps (say S1, S2, ..., Sn) are processed in the state they were produced in (S1, S2, ... Sn-1), git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13431 85f007b7-540e-0410-9357-904b9bb8a0f7
* fixed bug #2375 (congruence)Gravatar corbinea2010-09-02
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13399 85f007b7-540e-0410-9357-904b9bb8a0f7
* Updated test on Nsatz after Loïc moved NsatzR to Nsatz.Gravatar herbelin2010-07-30
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13361 85f007b7-540e-0410-9357-904b9bb8a0f7
* test-case for bug #2105Gravatar barras2010-07-29
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13352 85f007b7-540e-0410-9357-904b9bb8a0f7
* fixed bug #2139: compiled cofix loops, missing offset to evaluate cofix bodiesGravatar barras2010-07-28
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13337 85f007b7-540e-0410-9357-904b9bb8a0f7
* Backporting fix to bug #2353 (fixpoint with recursively non-uniformGravatar herbelin2010-07-21
| | | | | | parameters) to branch 8.2. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13302 85f007b7-540e-0410-9357-904b9bb8a0f7
* Quick fix for bug #2350 (ensuring enough "red" when refine calls fix tactic).Gravatar herbelin2010-07-21
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13301 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix (part of) bug #2347, de Bruijn bug in Program's pretyper.Gravatar msozeau2010-06-30
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13225 85f007b7-540e-0410-9357-904b9bb8a0f7
* Backporting modifications to nsatz (doc + fix of bug #2328) from trunk to v8.3.Gravatar herbelin2010-06-26
| | | | | | Fixing tests 2145.v about Nsatz. Adding nsatz target in Makefile. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13203 85f007b7-540e-0410-9357-904b9bb8a0f7
* Test script for bug #1962 (that is apparently solved in 8.3+trunk :-)Gravatar letouzey2010-06-20
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13172 85f007b7-540e-0410-9357-904b9bb8a0f7
* add in test-suite the scripts about fsetdec bugsGravatar letouzey2010-06-18
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13165 85f007b7-540e-0410-9357-904b9bb8a0f7
* test for bug #2141 (include + extraction)Gravatar letouzey2010-06-16
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13160 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug 2295 (omission of option "as" in return clause of "match" was notGravatar herbelin2010-06-13
| | | | | | working with section/goal variables). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13131 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixing bug 2300 (ltac pattern-matching returning terms with concrete universes).Gravatar herbelin2010-06-13
| | | | | | | | By the way, there is an open problem of which conversion to use (conv, evarconv, with or w/o universes levels) when trying to unify multiple instances of the same variable in ltac pattern-matching. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13130 85f007b7-540e-0410-9357-904b9bb8a0f7
* Addressed bug #2320 in v8.2 and v8.3 branches ("refine" problem withGravatar herbelin2010-06-13
| | | | | | | | metas in return predicate of "match"); propagated protection for #2310 ("refine" problem with dependent metas of higher-order type) in v8.3 to v8.2. Everything goes well in trunk thanks for the new proof engine. git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13129 85f007b7-540e-0410-9357-904b9bb8a0f7
* Addressed bug #2310 and replaced anomaly "unknown meta" raised by "refine"Gravatar herbelin2010-06-13
| | | | | | | | | | | | by a regular error in v8.3. Example behaves better in trunk thanks to new proof engine. In fact, there are two distinct solutions to a unification problem: should "refine" commit to one of them or leave the problem open? For trunk, improved the unification error message by enforcing nf_evar (but at some time, nf_evar in error messages should move to himsg because it is costly when errors are used for backtracking). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13127 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixed bug #2135 (second-order unification was raising cryptic message)Gravatar herbelin2010-06-12
| | | | | | | | | | | - made the example work (a call to whd_meta was missing) - replaced the internal error messages of w_unify_to_subterm_list into user-understandable messages - incidentally fixed the meaning of whd_meta (which now takes an evd) and meta_name (which now does what it means and do not treat differently the instantiated metas) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13122 85f007b7-540e-0410-9357-904b9bb8a0f7
* Added regression tests for bugs + miscellaneous improvementsGravatar herbelin2010-06-12
| | | | | | | | | - #2095 (not fixed in v8.2 but fixed in v8.3 and trunk) - #2108 (fixed in v8.2, v8.3, trunk) - #2102 (moved warning to msg_warning to ensure flushing, but still open enhancement) git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13121 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fixed bug # 2303 in r 13087.Gravatar msozeau2010-06-09
| | | | git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13104 85f007b7-540e-0410-9357-904b9bb8a0f7
* Fix bug #2262: bad implicit argument number by avoiding countingGravatar msozeau2010-06-09
| | | | | | | | products as implicit if they're part of a term and not a type (issue a warning instead). git-svn-id: svn+ssh://scm.gforge.inria.fr/svn/coq/trunk@13101 85f007b7-540e-0410-9357-904b9bb8a0f7
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