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Author SHA1 Message Date
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
Leonardo de Moura
b94ce412ae fix(library/unifier): non-termination 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-04 10:32:01 -07:00
Leonardo de Moura
7fb2b0f6d8 feat(kernel): add method 'may_reduce_later' to normalizer_extension, and improve unifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 22:31:05 -07:00
Leonardo de Moura
110b622b83 feat(library/unifier): add support for unification constraints of the form "(elim ... (?m ...)) =?= t", where elim is an eliminator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 20:41:51 -07:00
Leonardo de Moura
c854ad3d65 refactor(library/unifier): add is_def_eq alias 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 18:01:59 -07:00
Leonardo de Moura
aba4534acb feat(library/unifier): 'forget' justifications after finding a solution, the justifications are only needed inside the unifier (for implementing nonchronological backtracking) 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 14:14:07 -07:00
Leonardo de Moura
a009225435 feat(kernel/metavar): expose destructive assign 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 14:07:47 -07:00
Leonardo de Moura
079592c446 feat(library/unifier): eagerly apply substitution to improve quick failure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 12:58:30 -07:00
Leonardo de Moura
c9cfb844f1 feat(library/unifier): add 'quick' failure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 11:28:21 -07:00
Leonardo de Moura
dd96bb151b refactor(library/unifier): reduce the number unify procedure 'flavors' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 11:15:43 -07:00
Leonardo de Moura
d63ccbcf94 fix(library/unifier): missing case 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 10:51:59 -07:00
Leonardo de Moura
c9994ca00c feat(library/unifier): when projecting give preference to most recent locals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-03 09:01:29 -07:00
Leonardo de Moura
0f27856e4a feat(library/tactic): new apply tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-07-02 13:14:50 -07:00
Leonardo de Moura
ad12abcdb4 fix(library/unifier): bug in process_eq_constraint 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-30 18:22:05 -07:00
Leonardo de Moura
cb000eda13 refactor(kernel): store binder_infor in local constants 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-30 11:37:46 -07:00
Leonardo de Moura
360e9b9486 feat(library/tactic): add apply tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-29 18:33:53 -07:00
Leonardo de Moura
ec18bd93f9 feat(frontends/lean): send tactic hint table to elaborator 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-29 07:03:25 -07:00
Leonardo de Moura
193ce35419 refactor(frontends/lean/inductive_cmd): redesign inductive datatype elaboration, use the new elaborator, and use simpler algorithm to infer the resulting universe 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-28 15:33:56 -07:00
Leonardo de Moura
0e015974ca fix(library/unifier): bug in process_flex_rigid, also cleanup the code and break it into different cases 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-28 11:19:56 -07:00
Leonardo de Moura
e55b4bf86d fix(library/unifier): bug in flex_rigid case: binding imitation 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 20:43:49 -07:00
Leonardo de Moura
50e21586b0 feat(library/unifier): do not create a case-split for choice constraints that produce only one alternative 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 18:52:13 -07:00
Leonardo de Moura
e769121c2a fix(frontends/lean/elaborator): memory leaks that only occur when compiling with clang++ 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 16:02:54 -07:00
Leonardo de Moura
150d285b39 fix (library/unifier): occurs_context_check 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 14:45:36 -07:00
Leonardo de Moura
16bdc51fc4 refactor(kernel/type_checker): simplify type checker API, and remove add_cnstr_fn 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 13:36:31 -07:00
Leonardo de Moura
e735a8e5ff fix(library/unifier): bug in conflict resolution 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-26 08:42:40 -07:00
Leonardo de Moura
a42a80407a fix(library/unifier): when imitating (f a), abstract local constants occurring in f 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2014-06-25 16:11:31 -07:00