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Author SHA1 Message Date
Leonardo de Moura
cf44c80ffb fix(library/inductive_unifier_plugin): do not try to solve type incorrect constraints 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 16:00:38 -07:00
Leonardo de Moura
7b84503133 fix(library/unifier): do not let a unification plugin to 'prioritize' a flex-flex constraint, and add missing case 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 15:03:57 -07:00
Leonardo de Moura
1c191c1ec7 fix(frontends/lean/elaborator): instantiate assigned metavariables before collecting unassigned ones 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 15:02:33 -07:00
Leonardo de Moura
0f12e5a35b fix(library/inductive_unifier_plugin): unification problem failure on problems with inductive datatypes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 13:49:45 -07:00
Leonardo de Moura
abe1dbd7e0 refactor(library/standard): cleanup notation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:36:28 -07:00
Leonardo de Moura
a450ad5a95 feat(frontends/lean/inductive_cmd): improve notation for declaring 'empty' inductive datatypes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:24:01 -07:00
Leonardo de Moura
a5b9a7b296 fix(frontends/lean/decl_cmds): support for section declarations with implicit parameters, they must be tagged with '@' when creating aliases 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:10:45 -07:00
Leonardo de Moura
811f46e97b feat(frontends/lean/pp): add option for displaying internal names associated with private declarations 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 11:03:54 -07:00
Leonardo de Moura
0c668a31fe fix(frontends/lean/pp): display private 'internal' names in a human readable way 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 10:58:13 -07:00
Leonardo de Moura
cd522ff670 feat(emacs): improve font highlighting in emacs mode 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 10:54:06 -07:00
Leonardo de Moura
a59eec39b8 feat(frontends/lean): improve 'type mismatch' error position, and annotate 'have'-expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 09:44:40 -07:00
Leonardo de Moura
022a151cf7 feat(kernel): add general purpose 'annotations', they are just a generalization of the 'let'-annotations 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 09:33:31 -07:00
Leonardo de Moura
21176c61fe fix(tests/lean): move crash.lean to different directory 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 08:48:35 -07:00
Leonardo de Moura
736b219e65 fix(frontends/lean/elaborator): pretty print placeholders as '_' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 08:46:03 -07:00
Leonardo de Moura
e7c7d5718a fix(frontends/lean/pp): fix bug in the pretty printer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 08:30:30 -07:00
Leonardo de Moura
15c1e39f88 feat(frontends/lean/elaborator): distribute application over choice, this feature improves the support for overloaded aliases 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 23:43:40 -07:00
Leonardo de Moura
905a1095f9 fix(tests/lean/run/tactic14): remove not_intro, it is not needed anymore 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 23:41:23 -07:00
Leonardo de Moura
62483b793f feat(library/standard): add notation for symm, trans and subst 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 22:49:12 -07:00
Leonardo de Moura
ebf34f2fe9 refactor(library/standard): mark 'not' as transparent 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 22:14:15 -07:00
Leonardo de Moura
d84a4bea5f chore(library/standard): port (an older version of) Floris's nat library to Lean 0.2 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 20:31:28 -07:00
Leonardo de Moura
48b902dc37 feat(library/unifier): solve constraints of the form '(max l1 l2) =?= 0' and '(imax l1 l2) =?= 0' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 20:30:51 -07:00
Leonardo de Moura
fd0deb4555 feat(library/standard): add basic properties of binary functions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 17:48:30 -07:00
Leonardo de Moura
a533bf29da fix(library/unifier): broken optimization was missing solution 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 17:41:22 -07:00
Leonardo de Moura
bfdf187ce7 refactor(library/standard): rename rec to rec_on 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 17:01:51 -07:00
Leonardo de Moura
5529ef1056 feat(library/standard): add function 'helper' module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 16:29:39 -07:00
Leonardo de Moura
5296275c41 feat(library/standard/logic): add imp_or theorems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 12:29:23 -07:00
Leonardo de Moura
77c0456be4 fix(kernel/metavar): make sure instantiate_metavars_fn does not loop on 'fake' recursive dependencies, we say they are fake because they disappear after applying beta-reduction 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 12:04:33 -07:00
Leonardo de Moura
08174f904b feat(library/standard/logic): mark 'not equal' as an abbreviation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 12:01:09 -07:00
Leonardo de Moura
2eb84c5f74 fix(library/unifier): make sure we do not miss dependency 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 11:38:43 -07:00
Leonardo de Moura
2fae6ebc3a feat(emacs): add missing keywords 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-24 08:50:18 -07:00
Leonardo de Moura
1f2099e298 perf(kernel/for_each_fn): use cache stack trick at for_each_fn 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 19:32:11 -07:00
Leonardo de Moura
7d25158254 fix(kernel/replace_fn): bug in the cache 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 18:33:15 -07:00
Leonardo de Moura
61df118339 refactor(kernel/for_each_fn): simplify module interface 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 18:16:41 -07:00
Leonardo de Moura
42867d6fcd refactor(kernel/find_fn): simplify find_fn module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 18:09:58 -07:00
Leonardo de Moura
314c0822de fix(library/unifier): bugs exposed by recent changes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 17:31:07 -07:00
Leonardo de Moura
71afb83fcd feat(shell/lean): rename multi-threading option to -j 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 14:35:02 -07:00
Leonardo de Moura
13fe28dd1c perf(library/unifier): delay the instantiation of metavariables occurring in the types of local constants 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 14:31:30 -07:00
Leonardo de Moura
69d9c8b95d fix(tests): to reflect recent changes 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 13:20:24 -07:00
Leonardo de Moura
adddf06e44 perf(kernel/metavar): avoid destructive update in occurs method 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 13:12:29 -07:00
Leonardo de Moura
4286f5dd36 perf(kernel/justification): make sure depends_on doesn't get 'lost' in justification objects with a lot of shared objects 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 11:56:17 -07:00
Leonardo de Moura
35481cb045 fix(library/unifier): potentially changing flag from l_false ==> l_undef 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 10:59:53 -07:00
Leonardo de Moura
301c395e59 perf(kernel/metavar): performance problem with occurs method 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 10:35:27 -07:00
Leonardo de Moura
61661478ad refactor(kernel/metavar): simplify substitution class, and remove dead code 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 10:03:03 -07:00
Leonardo de Moura
caf3e5a449 fix(kernel/metavar): missing justification bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 08:41:09 -07:00
Leonardo de Moura
d998bf9300 test(tests/lean/run): add some 'lost' tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-23 08:22:53 -07:00
Leonardo de Moura
75005765d6 perf(library/unifier): add small performance improvement 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 17:58:40 -07:00
Leonardo de Moura
90189f8eb6 chore(frontends/lean/elaborator): fix outdated comment 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 17:50:13 -07:00
Leonardo de Moura
35e7302d8a perf(frontends/lean/elaborator): fix performance bottleneck 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 17:45:45 -07:00
Leonardo de Moura
697bcf4b4f perf(library/unifier): improve performance of instantiate_meta method 
It provides a significant performance boost in some files.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 16:24:07 -07:00
Leonardo de Moura
5ad6d5cbc4 feat(kernel/converter): add eta-expansion to converter, this is important when terms contains metavariables 
For example, consider the unification constrains

    fun (x : A), f (?m x)  =?=  f

Eta-reduction is not applicable since (?m x) is not a variable.
However, if we eta-expand the left-hand-side, we get

   fun (x : A), f (?m x)  =?=  fun (x : A), f x

which is reduced to

      (?m x) =?= x

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-22 16:24:02 -07:00