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443 commits

Author SHA1 Message Date
Leonardo de Moura
de369a0a0a feat(library/tactic/injection_tactic): improve 'injection' tactic 
see issue #500
 2015-05-01 15:49:56 -07:00
Leonardo de Moura
9ba8b284a1 fix(library/tactic/apply_tactic): add eapply, and fix issue #361 2015-05-01 15:08:00 -07:00
Leonardo de Moura
63eb155c7e feat(library/tactic): add 'injection' tactic 
see issue #500
 2015-05-01 12:45:21 -07:00
Leonardo de Moura
7e9f574ef3 fix(library/tactic/apply_tactic): use internally 'apply' instead of 'fapply' as the default "apply" tactic 
This changes improves the 'constructor' tactic
 2015-04-30 21:58:35 -07:00
Leonardo de Moura
2d9c950144 feat(library/tactic/constructor_tactic): allow 'constructor' tactic without index 
see issue #500
 2015-04-30 21:15:07 -07:00
Leonardo de Moura
15e52b06df fix(library/tactic/constructor_tactic): bug in constructor tactic 
see example (constr_tac2.lean) in comment at issue #500
 2015-04-30 20:18:24 -07:00
Leonardo de Moura
d18f9c7607 fix(library/tactic/constructor_tactic): use 1 (instead of 0) to reference the first constructor 
see comment at issue #500
 2015-04-30 20:08:00 -07:00
Leonardo de Moura
0b995c4fe3 fix(library/tactic/rewrite_tactic): relax reducibility constraints in some parts of the rewrite tactic 
fixes #567
 2015-04-30 18:22:58 -07:00
Leonardo de Moura
d152f38518 feat(library/tactic): add 'constructor', 'split', 'left', 'right' and 'existsi' tactics 
see issue #500
 2015-04-30 17:52:29 -07:00
Leonardo de Moura
1c6067bac2 feat(library/tactic): add 'exfalso' tactic 
see issue #500
 2015-04-30 15:43:07 -07:00
Leonardo de Moura
d546b019fb fix(library/tactic/rewrite_tactic): assertion violation when checking 
dependencies at rewrite tactic
 2015-04-30 15:41:57 -07:00
Leonardo de Moura
936e024128 fix(library/tactic/rewrite_tactic): bug in rewrite hypothesis in HoTT mode 2015-04-30 15:30:25 -07:00
Leonardo de Moura
9c8a63caec feat(library/tactic): add 'contradiction' tactic 
see issue #500

Remark: this tactic also applies no_confusion to take care of a contradiction
 2015-04-30 13:47:40 -07:00
Leonardo de Moura
3233008039 feat(library/tactic): allow user to name generalized term in the 'generalize' tactic 
closes #421
 2015-04-30 11:57:40 -07:00
Leonardo de Moura
3912bc24c8 feat(frontends/lean): nicer syntax for 'intros' 'reverts' and 'clears' 2015-04-30 11:00:39 -07:00
Leonardo de Moura
dce7177382 feat(library/tactic/change_tactic): improve 'change' tactic 
- Better error messages
- Try to solve unification constraints produced during is_def_eq test

addresses comment on issue #531
 2015-04-29 13:31:09 -07:00
Leonardo de Moura
d055947243 feat(library/tactic/rewrite_tactic): ignore implicit argument when matching at rewrite tactic 2015-04-29 12:51:33 -07:00
Leonardo de Moura
182a8a542e feat(library/tactic/rewrite_tactic): store exception "what" message in rewrite trace 2015-04-29 12:46:41 -07:00
Leonardo de Moura
b790ca9806 fix(library/tactic/rewrite_tactic): type check rewriting steps 
closes #550
 2015-04-29 12:16:37 -07:00
Leonardo de Moura
91abba3c3d refactor(kernel): rename method 2015-04-29 11:46:27 -07:00
Leonardo de Moura
d2c7b5c319 feat(library/tactic): add 'let' tactic 
closes #555
 2015-04-28 17:24:43 -07:00
Leonardo de Moura
ca8943f45b feat(library,hott): remove rapply tactic 2015-04-27 15:06:16 -07:00
Leonardo de Moura
9d01868361 feat(frontends/lean): use rewrite tactic to implement unfold (it has a unfold step) 
closes #502
 2015-04-24 17:23:12 -07:00
Leonardo de Moura
28404fe16d fix(library/tactic/rewrite_tactic): second problem reported at issue #548 
closes #548
 2015-04-24 16:49:32 -07:00
Leonardo de Moura
4148d6b8cc fix(library/tactic/rewrite_tactic): first two problems at issue #548 2015-04-24 16:07:00 -07:00
Leonardo de Moura
2613e7c444 fix(frontends/lean): bug when handling identifiers in tactics 
This bug was reported by Jeremy in the Lean Google group:
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/ZKJ8WPPEVJA/n05x6rPRzvMJ
 2015-04-22 16:03:22 -07:00
Leonardo de Moura
697a536d9e fix(library/tactic/inversion_tactic): type incorrect term being built by 'cases' tactic 
fixes #545
 2015-04-20 19:24:52 -07:00
Leonardo de Moura
431eade894 fix(library/tactic/inversion_tactic): incorrect use of optimization 2015-04-20 16:21:44 -07:00
Leonardo de Moura
6f6d106a10 feat(library/tactic): add "check_expr" tactic 
closes #486
 2015-04-19 19:00:05 -07:00
Leonardo de Moura
b7ca2a0ec9 fix(library/tactic/exact_tactic): exact and or_else 
fixes #543
 2015-04-19 17:23:09 -07:00
Leonardo de Moura
5d95cb0979 feat(library/tactic): add 'refine' tactic 
closes #482
 2015-04-06 18:36:56 -07:00
Leonardo de Moura
412f03b08b feat(library/tactic/exact_tactic): generate error if 'exact' tactic produces a term containing metavariables 2015-04-06 13:38:53 -07:00
Leonardo de Moura
2bc13f6bfd feat(library/tactic/exact): enforce goal type during elaboration when executing 'exact' tactic 
Remark: this was the behavior of the 'sexact' tactic.

This commit also adds the 'rexact' (relaxed exact) tactic which does not
enforce the goal type.

closes #495
 2015-04-06 13:23:38 -07:00
Leonardo de Moura
ea3407d06d fix(library/tactic): valgrind warnings for still reachable memory 2015-03-28 12:32:57 -07:00
Leonardo de Moura
b9e3c474c9 feat(library/tactic): add all_goals tactic 
closes #501
 2015-03-25 17:42:34 -07:00
Leonardo de Moura
38a63a8a58 fix(library/tactic/exact_tactic): segfault when accessing head of empty list 
closes #485
 2015-03-23 19:00:01 -07:00
Leonardo de Moura
ac30052a29 fix(library/tactic/rewrite_tactic): apply substitution before trying to rewrite 
closes #487
 2015-03-23 18:32:52 -07:00
Leonardo de Moura
5bf46d1226 fix(library/tactic/inversion_tactic): improve 'cases' tactic for HoTT mode 
closes #481
 2015-03-23 18:06:11 -07:00
Leonardo de Moura
98cc325695 refactor(library/tactic/inversion_tactic): cleanup 2015-03-23 17:15:47 -07:00
Leonardo de Moura
0814e76298 fix(library/tactic/clear_tactic): unexpected failure 
This commit also improves the error message produced by the 'clear' tactic.

fixes #488
 2015-03-23 12:08:15 -07:00
Leonardo de Moura
f6f2c499ae fix(library/tactic/rewrite_tactic): rewrite macros did not implement operator== 
This problem was affecting the cache
 2015-03-13 19:24:09 -07:00
Leonardo de Moura
aba158dbd4 feat(library/tactic/inversion_tactic): improve error message for unknown hypothesis 2015-03-13 15:19:19 -07:00
Leonardo de Moura
cda19f5aa6 feat(library/tactic/rewrite_tactic): improve rewrite tactic error messages 
closes #471
 2015-03-12 20:49:53 -07:00
Leonardo de Moura
7accd0f1e6 feat(library/tactic/rewrite_tactic): allow rewrite with terms that contains binders 
see discussion at #470
 2015-03-12 18:07:55 -07:00
Leonardo de Moura
4ea323a2b2 refactor(library/tactic): cleanup common pattern 2015-03-12 14:52:41 -07:00
Leonardo de Moura
6a78ae7b46 fix(library/tactic/class_instance_synth): enforce consistent behavior in type class resolution 
Auxiliary procedure mk_class_instance was not discarding partial solutions.
This procedure is used by the apply and inversion (aka cases) tactics
 2015-03-12 10:27:05 -07:00
Leonardo de Moura
b38c943086 fix(library/tactic/class_instance_synth): discard partial solutions even when option class.unique_instances = true is used 2015-03-12 10:13:16 -07:00
Leonardo de Moura
47a350d888 fix(library/tactic/inversion_tactic): missing condition for applying optimization 2015-03-12 09:11:36 -07:00
Leonardo de Moura
7de3d5771d feat(library/tactic/rewrite_tactic): add eta-reduction support at esimp 
closes #469
 2015-03-12 00:32:31 -07:00
Leonardo de Moura
a7af8e7c71 feat(library/tactic/inversion_tactic): remove dummy hypotheses of the form (H : a = a) 
closes #468
 2015-03-11 20:50:06 -07:00
Leonardo de Moura
b5fb7c734e feat(library/tactic/inversion_tactic): remove hypothesis being destructed 
addresses second issue in #468
 2015-03-11 20:42:50 -07:00
Leonardo de Moura
0a5340aa22 feat(library/tactic/goal): add auxiliary method 2015-03-11 20:39:41 -07:00
Leonardo de Moura
ebdda67812 fix(library/tactic/inversion_tactic.cpp): remove unnecessary hypothesis in HoTT mode 
partial solution for #468
 2015-03-11 19:30:34 -07:00
Leonardo de Moura
737faecc65 feat(library/tactic/inversion_tactic): fail if is_hset type class synthesis produced term containing meta-variables, improve error messages 
fixes #467
 2015-03-11 15:54:50 -07:00
Leonardo de Moura
4c6b0dc0e5 fix(library/tactic/expr_to_tactic): tactic_expr_to_id did not take as_atomic annotation into account 
fixes #466
 2015-03-11 08:49:59 -07:00
Leonardo de Moura
1490bdad49 feat(frontends/lean): add version of 'exact' tactic (sexact) that enforces goal type during term elaboration 2015-03-06 17:34:45 -08:00
Leonardo de Moura
368f9d347e refactor(frontends/lean): approach used to parse tactics 
The previous approach was too fragile

TODO: we should add separate parsing tables for tactics
 2015-03-05 18:11:21 -08:00
Leonardo de Moura
bd0f209659 feat(library/tactic/exact_tactic): do not force 'exact' tactic expression to be fully elaborated (i.e., metavariable free) 2015-03-05 11:12:39 -08:00
Leonardo de Moura
8295ef4e57 fix(library/tactic/class_instance_synth): constraint execution order at type class resolution 
We could not fix this problem before because we did not have the
[quasireducible] annotation.

Without this annotation, the fixed TC would loop in some HoTT files.
 2015-03-04 22:20:20 -08:00
Leonardo de Moura
abd238aef0 feat(*): add [quasireducible] attribute 2015-03-04 22:12:49 -08:00
Leonardo de Moura
51504a1872 feat(library/tactic/class_instance_synth): restrict higher-order unification even more during type class resolution 2015-03-03 20:26:49 -08:00
Leonardo de Moura
fdb169b8f3 feat(library/tactic): improve error localization when compiling tactics 2015-03-02 12:21:02 -08:00
Leonardo de Moura
ededf4fc6c feat(frontends/lean): remove unnecessary instantiate_all's that were messing with error localization 2015-03-01 14:51:44 -08:00
Leonardo de Moura
ca57b43698 feat(library/tactic): add 'change' tactic 2015-03-01 14:15:39 -08:00
Leonardo de Moura
e07c6675b3 feat(library/tactic/elaborate): better error message for tactics using elaborate_with_respect_to 2015-03-01 13:42:53 -08:00
Leonardo de Moura
cf56935b01 feat(frontends/lean): improve support for user defined tactics 2015-02-27 16:58:25 -08:00
Leonardo de Moura
96b54a8007 feat(frontends/lean/builtin_exprs): add 'have' notation in 'begin-end' blocks 
It is notation for the assert tactic.
 2015-02-25 14:04:17 -08:00
Leonardo de Moura
42289d4334 feat(library/tactic/class_instance_synth): create class instance synthesis subproblems only for arguments marked with the [] binder annotation 2015-02-24 16:12:39 -08:00
Leonardo de Moura
1cd44e894b feat(library/tactic/class_instance_synth): conservative class-instance resolution: expand only definitions marked as reducible 
closes #442
 2015-02-24 16:12:35 -08:00
Leonardo de Moura
787fed95aa fix(library/tactic/inversion_tactic): bug in simpler case (hypotheses were being lost) 2015-02-23 16:10:49 -08:00
Leonardo de Moura
7d35d18cad fix(library/tactic/rewrite_tactic): bug when matching terms that expanded into projections 2015-02-22 18:23:10 -08:00
Leonardo de Moura
af787d9b7f fix(library/constants): regenerate constants.cpp and fix affected files 2015-02-22 09:22:51 -08:00
Leonardo de Moura
7fc216183e feat(library/tactic): produce better error message when a tactic fails 
closes #348
 2015-02-16 18:42:15 -08:00
Leonardo de Moura
5cbdd77ad0 feat(library/tactic/rewrite_tactic): improve matcher in rewrite_tactic 
closes #433
 2015-02-13 12:40:55 -08:00
Leonardo de Moura
98960cbeda fix(library/tactic/rewrite_tactic): bug in HoTT mode 2015-02-13 10:09:18 -08:00
Leonardo de Moura
058377c8c6 feat(library/tactic/rewrite_tactic): treat iff.refl as trivial step in the rewrite tactic 2015-02-08 17:27:59 -08:00
Leonardo de Moura
e04250f0d8 refactor(library/tactic/rewrite_tactic): use default_converter 2015-02-07 16:44:51 -08:00
Leonardo de Moura
c2a296b1de feat(library/tactic/apply_tactic): add flag for disabling class instance resolution in the apply tactic 2015-02-06 17:27:24 -08:00
Leonardo de Moura
1557a579ed feat(library/tactic/proof_state): add report_failure flag to proof state 
tactic can use the flag to produce nice error messages
 2015-02-06 16:29:04 -08:00
Leonardo de Moura
2126b8ec9a feat(library/tactic/apply_tactic): perform class-instance resolution in the apply tactic 
closes #360
 2015-02-06 16:14:03 -08:00
Leonardo de Moura
18808d133e refactor(library/tactic/goal): move goal => local_context conversion to goal class 2015-02-06 16:09:59 -08:00
Leonardo de Moura
f10424d729 fix(library/tactic/rewrite_tactic): memory leak 2015-02-06 15:24:09 -08:00
Leonardo de Moura
aa70334f8d feat(library/tactic/rewrite_tactic): add "fold" step 2015-02-06 15:21:49 -08:00
Leonardo de Moura
47bd5e53e2 fix(library/tactic/rewrite_tactic): memory leak 2015-02-06 14:24:10 -08:00
Leonardo de Moura
7aac9f1fdb feat(library/tactic/rewrite_tactic): use expensive convertability checker at reduce_to steps and trivial goal 2015-02-06 13:53:03 -08:00
Leonardo de Moura
5b2a9dacc2 fix(library/tactic/rewrite_tactic): matcher should unfold only reducible constants 2015-02-06 13:44:04 -08:00
Leonardo de Moura
b4139627e5 feat(library/tactic/rewrite_tactic): add option to prevent any kind of constant unfolding when perfoming pattern matching in the rewrite tactic 2015-02-06 13:27:33 -08:00
Leonardo de Moura
ba9557bb94 fix(library/tactic/rewrite_tactic): incorrect assertion 2015-02-06 13:02:50 -08:00
Leonardo de Moura
2e626b29fb feat(library/tactic/rewrite_tactic): allow many constants to be provided in a single rewrite unfold step 2015-02-06 11:03:36 -08:00
Leonardo de Moura
264cedb3a6 fix(frontends/lean/rewrite_tactic): incorrect assertion 2015-02-05 20:02:49 -08:00
Leonardo de Moura
e17ba27596 fix(library/tactic/rewrite_tactic): adjust the behavior of class resolution in rewriter 
The solution is not very satisfactory. I should investigate it more.
 2015-02-05 19:08:47 -08:00
Leonardo de Moura
ffe0d1186e feat(library/tactic/rewrite_tactic): add "reduce_to" step at rewrite tactic 2015-02-05 13:59:55 -08:00
Leonardo de Moura
116c65bff5 feat(library/tactic/rewrite_tactic): add reduction step to rewrite tactic 2015-02-05 13:42:50 -08:00
Leonardo de Moura
7cdc88701d feat(library/tactic/rewrite_tactic): add "reduction" step to rewrite tactic 2015-02-05 13:16:05 -08:00
Leonardo de Moura
808521223b feat(library/tactic/rewrite_tactic): support constant unfolding in rewrite tactic 2015-02-05 12:58:30 -08:00
Leonardo de Moura
d6958be7e7 fix(library/tactic/location): replace cache must not be used when only a subset of all occurrences should be replaced at replace_occurrences 2015-02-05 10:50:40 -08:00
Leonardo de Moura
941b493835 chore(library/tactic/rewrite_tactic): modify param name 2015-02-05 10:04:03 -08:00
Leonardo de Moura
0abfa30ead fix(library/tactic/rewrite_tactic): elaboration bug in the rewrite tactic steps/elements 2015-02-05 10:01:18 -08:00
Leonardo de Moura
14c72e82f6 feat(library/tactic/rewrite_tactic): add support for rewriting hypotheses 2015-02-04 20:04:19 -08:00
Leonardo de Moura
55fb678db2 fix(library/tactic/location): clang++ 3.3 compilation problem 2015-02-04 18:48:23 -08:00