Commit graph

59 commits

Author SHA1 Message Date
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
Leonardo de Moura
f981a4c1fe fix(library/unifier): bug in lambda_abstract_locals auxiliary function
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-25 09:59:08 -07:00
Leonardo de Moura
6db6048bf8 feat(library/error_handling): pretty print unifier exceptions
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-25 09:41:25 -07:00
Leonardo de Moura
18a883ab1b fix(library/unifier): set conflict if type mismatch during metavariable assignment
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-25 09:33:34 -07:00
Leonardo de Moura
603dafbaf7 refactor(kernel): remove 'let'-expressions
We simulate it in the following way:
1- An opaque 'let'-expressions (let x : t := v in b) is encoded as
      ((fun (x : t), b) v)
   We also use a macro (let-macro) to mark this pattern.
   Thus, the pretty-printer knows how to display it correctly.

2- Transparent 'let'-expressions are eagerly expanded by the parser.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-24 16:27:27 -07:00
Leonardo de Moura
60f230a206 doc(library/unifier): ignore flex-flex constraints
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 14:33:09 -07:00
Leonardo de Moura
7df397fe63 test(lua): add universe constraint unifier test
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 14:19:02 -07:00
Leonardo de Moura
a0e4dccdac refactor(kernel/constraint): rename choice constraint fields
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 13:52:03 -07:00
Leonardo de Moura
6d14de76f3 feat(kernel/constraint): add 'delayed' flag to choice constraints
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 12:56:06 -07:00
Leonardo de Moura
66016df0ad feat(library/unifier): add imitation step for macros
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 12:44:22 -07:00
Leonardo de Moura
2fa5b17592 feat(library/unifier): add unifier.max_steps unifier.use_exceptions options
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 12:38:57 -07:00
Leonardo de Moura
7b188ea37e feat(library/unifier): implement flex-rigid case
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
2014-06-23 11:00:35 -07:00