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1406 commits

Author SHA1 Message Date
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
969d17fd12 fix(frontends/lean/elaborator): class inference in tactic mode with trunc 
closes #477
 2015-04-05 17:47:14 -07:00
Leonardo de Moura
d731a4ab13 feat(library/normalize): add '[unfold-f]' hint 
closes #497
 2015-04-05 03:00:13 -07:00
Leonardo de Moura
4ec0e1b07c feat(frontends/lean): improve calc mode 
Now, it automatically supports transitivity of the form
    (R a b) -> (b = c) -> R a c
    (a = b) -> (R b c) -> R a c

closes #507
 2015-04-04 08:58:35 -07:00
Leonardo de Moura
b960e123b1 feat(kernel): add experimental support for quotient types 2015-03-31 22:04:16 -07:00
Leonardo de Moura
26c914173c feat(frontends/lean): add --profile option 2015-03-31 11:53:55 -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
1b15036dba feat(library/definitional): automatically add attribute [unfold-c] to cases_on, brec_on and rec_on 
see #496
 2015-03-27 19:12:17 -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
49bc56ec07 feat(frontends/lean/pp): improve pretty printer for prefix and postfix notation 
closes #491
 2015-03-25 16:45:58 -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
cfeb426cd7 fix(frontends/lean): pretty print numeral notation from algebra 2015-03-13 18:58:34 -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
9fe2d5c74c refactor(library/unifier): use new assign method in the unifier 2015-03-12 15:01:40 -07:00
Leonardo de Moura
4ea323a2b2 refactor(library/tactic): cleanup common pattern 2015-03-12 14:52:41 -07:00
Leonardo de Moura
8f004671a2 fix(library/unifier): typo 2015-03-12 13:15:23 -07:00
Leonardo de Moura
3e4d849a4a refactor(kernel/metavar.h): simplify API 2015-03-12 12:50:53 -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
a9fa0fead9 feat(library/match): match modulo eta 2015-03-12 00:30:44 -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
1244f01518 chore(library/unifier): remove dead code 2015-03-09 14:07:14 -07:00
Leonardo de Moura
9a6c675908 feat(library/unifier): add option to disable nonchronological backtracking 2015-03-09 12:08:58 -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
4edd7b9099 fix(library/definitional/equations): allow a function to be the result of a match-with term or recursive definition 2015-03-06 15:08:52 -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
039afb4578 feat(frontends/lean): treat "proof t qed" as alias for "by exact t" 2015-03-05 11:12:39 -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
7db6ed7c14 refactor(library/unifier): move m_pattern configuration option to unifier_config 2015-03-03 20:24:18 -08:00
Leonardo de Moura
341a9a2010 refactor(library/unifier): remove dead code 2015-03-03 20:14:17 -08:00
Leonardo de Moura
fa79b214b8 fix(frontends/lean): allow 'attribute <id> [priority ...]' 2015-03-03 16:17:32 -08:00