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
fc4df6a430
feat(kernel/expr): add O(1) predicates has_expr_metavar and has_univ_metavar
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-05 13:11:30 -07:00
Leonardo de Moura
e366aadad0
refactor(library/converter): expose is_opaque predicate in the converter interface
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-05 12:05:23 -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
e445515f2b
refactor(kernel): move standard and hott kernel instantiations to library
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-05 10:31:27 -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
4af474010a
fix(frontends/lean/elaborator): unintended use of local instances
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 18:49:05 -07:00
Leonardo de Moura
99fb6431a6
fix(frontends/lean/elaborator): support for local instances
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 18:38:08 -07:00
Leonardo de Moura
6ea7bb3ea4
feat(frontends/lean/builtin_exprs): add 'including' expression
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 18:37:09 -07:00
Leonardo de Moura
8ab0b5bee3
feat(frontends/lean/elaborator): use local declarations as class instances
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 18:18:25 -07:00
Leonardo de Moura
00e1a7db23
feat(frontends/lean/elaborator): add class instance elaboration
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 15:45:50 -07:00
Leonardo de Moura
079672f6f9
feat(frontends/lean): add 'class' and 'instances' infrastructure
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 14:28:09 -07:00
Leonardo de Moura
f1884ee5f9
chore(frontends/lean): remove dead code
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 13:22:32 -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
e0501104e2
feat(library/tactic): add 'fixpoint' tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-04 01:30:28 -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
ce282a549a
feat(frontends/lean): add 'prefix' notation declaration command
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 21:37:56 -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
b5f63e78ca
feat(frontends/lean/notation_cmd): reuse existing precedence to increase compatibility with existing notation
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 17:23:29 -07:00
Leonardo de Moura
fa1857e6a9
fix(frontends/lean/notation_cmd): fix default, add 'prev' action
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 16:44:44 -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
b49902807c
refactor(kernel/metavar): separate substitution from their justifications
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 14:01:22 -07:00
Leonardo de Moura
abbd054b51
feat(library/tactic): add eassumption tactic, and remove redundant 'subgoals' from apply tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 13:04:46 -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
db0ef64c04
feat(util/lazy_list_fn): handle the 'is_nil' case more efficiently
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 11:29:04 -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
0ff145e59b
feat(library/tactic): add apply tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 09:20:01 -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
e3ab0a1d10
feat(frontends/lean): improve error messages when users forget to import 'tactic'
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 08:33:29 -07:00
Leonardo de Moura
6b8b5f3dd8
feat(library/tactic): expose more builtin tactics, cleanup expr_to_tactic procedure
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-03 08:06:28 -07:00
Leonardo de Moura
a7d660f875
feat(frontends/lean): add command for customizing the behavior of proof-qed blocks: we can automatically register tactics to be automatically applied before each component
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 20:45:10 -07:00
Leonardo de Moura
5527955ba8
feat(frontends/lean): add 'proof-qed' notation
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 19:30:48 -07:00
Leonardo de Moura
138267b53a
feat(frontends/lean/elaborator) add trick for improving error messages when mixing tactics, elaboration and exact tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:58:32 -07:00
Leonardo de Moura
c3abf81382
chore(emacs): update emacs mode
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:37:53 -07:00
Leonardo de Moura
60c637fb9d
feat(library/tactic): add 'exact' tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:37:32 -07:00
Leonardo de Moura
37b5b7c4c2
feat(library/tactic): rename 'exact' to 'assumption', 'exact' is a different tactic
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:10:42 -07:00
Leonardo de Moura
04b2a620f8
fix(frontends/lean/elaborator): instantiate metavariables before displaying error message
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 18:07:11 -07:00
Leonardo de Moura
3809a3cc2c
chore(frontends/lean): code cleanup
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 17:32:13 -07:00
Leonardo de Moura
181a739a5e
feat(frontends/lean/elaborator): report unassigned metavariables as goals
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Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-07-02 16:26:06 -07:00