Leonardo de Moura
a18cf94d09
perf(library/unifier): minimize the use of instantiate_metavars
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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)
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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
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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
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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 ...))
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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
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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
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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
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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
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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
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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
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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)
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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
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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
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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
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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'
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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++
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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
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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
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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
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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
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-25 16:11:31 -07:00
Leonardo de Moura
f981a4c1fe
fix(library/unifier): bug in lambda_abstract_locals auxiliary function
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-25 09:59:08 -07:00