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Author SHA1 Message Date
Leonardo de Moura
de05c041c7 feat(library/unifier): add flag for enabling/disabling expensive extensions in the unifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-31 16:46:16 -07:00
Leonardo de Moura
f57fc33442 fix(library/unifier): bug that was making unifier miss solutions, and add a new case-split that tries to solve flex_rigid constraints by putting the rhs into whnf 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-31 16:46:16 -07:00
Leonardo de Moura
1a8a2b0811 refactor(library/unifier): process_flex_rigid method before adding yet another case split 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-31 12:25:35 -07:00
Leonardo de Moura
450131692a fix(library/converter): missing constraint on eta expansion 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-30 10:43:47 -07:00
Leonardo de Moura
936bb2744b fix(library/unifier): add a flag to sign that a choice constraint owns a metavariable ?m, that is, it has the right to assign ?m, and the unifier should postpone any other constraint that tries to assign ?m 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-29 17:32:55 -07:00
Leonardo de Moura
d1fe1286c0 fix(library/unifier): bug introduced today in consume_tc_cnstrs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 17:16:30 -07:00
Leonardo de Moura
faee08591f fix(*): make sure elaborator and type_checker use the same "rules" for treating opaque definitions 
This is a big change because we have to store in constraints whether we can use the "relaxed" rules or not.
The "relaxed" case says that when type checking the value of an opaque definition we can treat other opaque definitions in the same module as transparent.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-27 12:12:54 -07:00
Leonardo de Moura
23af5ab217 fix(library/unifier): eager whnf application 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-26 10:37:02 -07:00
Leonardo de Moura
556861c8d6 fix(library/unifier): remove incorrect assertion 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-26 07:52:10 -07:00
Leonardo de Moura
70c887a0bd fix(library/unifier): fix cryptic error message 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 21:10:32 -07:00
Leonardo de Moura
01cec1e1f1 fix(library/unifier): more bugs in the unifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-25 20:05:37 -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
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
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
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
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
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
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
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
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
438a42d010 feat(library/unifier): improve error message when metavar assignment is type incorrect 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-20 00:19:32 +01:00
Leonardo de Moura
a78fb8f013 perf(library/unifier): minimize the number of constraints generated in the flex_rigid 'imitation' step 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-17 06:32:21 +01:00
Leonardo de Moura
6ddba9c276 fix(library/unifier): bug in process_delta 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-16 04:55:09 +01:00
Leonardo de Moura
c8849d42e9 fix(library/unifier): tolerate exceptions in the type_checker::infer method. This can happen since when we try projections we don't check whether they are type correct 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-16 03:05:19 +01:00
Leonardo de Moura
a18cf94d09 perf(library/unifier): minimize the use of instantiate_metavars 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-15 03:55:27 +01:00
Leonardo de Moura
29c7eeaa99 refactor(library/unifier): improve occurs_context_check 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-15 02:08:16 +01:00
Leonardo de Moura
614d8a768b fix(library/unifier): flex_rigid case (?M ...) =?= (f ...), where f is not a constant nor a local 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-13 02:46:04 +01:00
Leonardo de Moura
391e5e2bc2 perf(library/unifier): use d_instantiate_metavars 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 05:12:09 +01:00
Leonardo de Moura
9517f31a71 refactor(kernel/metavar): remove unnecessary functionality 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 04:45:50 +01:00
Leonardo de Moura
50f76fd138 perf(library/unifier): improve m_mvar_occs management 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-12 04:23:02 +01:00
Leonardo de Moura
c3e8e83e50 perf(library/unifier): simple optimization 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-11 20:21:41 +01:00
Leonardo de Moura
1230e942aa feat(library/unifier): handle 'first-order' flex-flex constraints 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-11 04:51:28 +01:00
Leonardo de Moura
405e57eb2d refactor(kernel/formatter): add formatter_factory, and simplify formatter interface 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-10 18:32:00 +01:00
Leonardo de Moura
b956ce68d2 feat(frontends/lean/elaborator): keep postponing delayed coercions until the type can be inferred 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-07 12:50:43 -07:00
Leonardo de Moura
fe448d47be feat(library/unifier): improve failure report 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-07 12:03:37 -07:00
Leonardo de Moura
48b28ad75c fix(library/unifier): missing test in flex_rigid 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-06 21:36:23 -07:00
Leonardo de Moura
dcf7cf00ff fix(*): bugs in the type checker, inductive datatypes, and unifier 
The bugs were indentified when performing the tiny change in the file
tests/lean/run/group.lean
 2014-07-06 18:44:56 -07:00
Leonardo de Moura
55894f01e3 feat(frontends/lean): add 'opaque_hint' command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 18:58:20 -07:00
Leonardo de Moura
59755289e4 feat(library/unifier): case split on constraints of the form (f ...) =?= (f ...), where f can be unfolded, and there are metavariables in the arguments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 15:52:40 -07:00
Leonardo de Moura
8aa217ea76 chore(library/unifier): update comments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 11:06:13 -07:00
Leonardo de Moura
72bce91c18 refactor(library/unifier): move inductive datatype support to inductive_unifier_plugin 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 11:00:35 -07:00
Leonardo de Moura
ab929d7201 refactor(library/unifier): store the unifier_plugin in the environment 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 10:25:58 -07:00
Leonardo de Moura
a52c9f4e2b feat(library/unifier): add option 'unifier.unfold_opaque', remove option 'unifier.use_exceptions' (the user should not be able to change this) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 09:43:16 -07:00
Leonardo de Moura
efabd2280c feat(library/unifier): allow unifier to unfold opaque definitions of the current module 
It is not clear whether this is a good idea or not. In some cases, it seems to do more harm than good.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 00:46:03 -07:00
Leonardo de Moura
ac1585fd1a feat(library/unifier): divide constraints in clear groups 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-05 00:04:38 -07:00
Leonardo de Moura
f242971b55 feat(library/unifier): delay constraints where the lhs or rhs are of the form (?m ... (intro ...)) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 23:36:31 -07:00
Leonardo de Moura
1e40525a0c fix(library/unifier): simple bug 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 21:15:32 -07:00
Leonardo de Moura
d7cb1952ae feat(kernel): simplify choice_fn, and make its interface closer to the unifier_plugin interface 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 12:47:33 -07:00