Commit graph

28 commits

Author SHA1 Message Date
Leonardo de Moura
e635d9be9f refactor(kernel): rename get_weight to get_height at declaration
Motivation:
- It is the standard name for the concept: declaration height
- Avoid confusion with the expression weight
2015-06-30 12:59:10 -07:00
Leonardo de Moura
1e6550eda6 feat(kernel/default_converter): take into account the 'theorem' annotations in the converability checker
The idea is that we should seldon need to unfold theorems.
The convertability checker should use that.
When the convertability checker was implemented, theorems were opaque in
Lean. So, this hint was not needed.

This modification is another workaround for the performance problem with
the migrate command at library/data/real/division.lean.
This solution is better than applying proof irrelevance eagerly because
it also addresses similar problems in the HoTT library which does not
support proof irrelevance.

This commit also enables the conv_opt for all theorems.
2015-06-30 10:42:26 -07:00
Leonardo de Moura
acc0832928 feat(kernel/default_converter): add "eager" proof irrelevance optimization 2015-06-29 19:10:39 -07:00
Leonardo de Moura
a2389fb664 refactor(kernel/default_converter): move delay_check code to postpone_is_def_eq method 2015-06-22 13:59:32 -07:00
Leonardo de Moura
76477aedd1 refactor(kernel): move is_stuck predicate to converter 2015-06-22 11:37:14 -07:00
Leonardo de Moura
54496709a2 refactor(kernel/default_converter): add virtual method reduce_def_eq
The idea is to allow us to customize the default converter outside of
the kernel.
2015-06-22 10:04:19 -07:00
Leonardo de Moura
a518a45239 refactor(kernel/default_converter): separate lazy_delta_reduction procedure 2015-06-22 08:45:05 -07:00
Leonardo de Moura
d8620ef4c9 fix(kernel,library,frontends/lean): improve error messages
see #669
2015-06-14 19:44:00 -07:00
Leonardo de Moura
8b062b4448 feat(kernel/default_converter): add support for stuck terms at try_eta_expansion_core 2015-06-10 15:19:39 -07:00
Leonardo de Moura
496189feed feat(kernel/default_converter): cache failures for (f t =?= f s) heuristic
See item 4 at
https://groups.google.com/forum/?utm_medium=email&utm_source=footer#!msg/lean-discuss/oJXwW5wT2Ds/d1Dgr8B-pE0J

See also
https://github.com/leanprover/lean/pull/659
2015-06-08 10:41:30 -07:00
Leonardo de Moura
bd28396be0 feat(kernel): transparent theorems
closes #576
2015-05-09 11:42:29 -07:00
Leonardo de Moura
cf7e60e5a6 refactor(kernel): remove "opaque" field from kernel declarations
see issue #576
2015-05-08 16:06:16 -07:00
Leonardo de Moura
57ea660963 refactor(*): start process for eliminating of opaque definitions from the kernel
see issue #576
2015-05-08 16:06:04 -07:00
Leonardo de Moura
45c8cdc626 fix(kernel/default_converter): discard constraints when optimization fails 2015-05-07 15:02:29 -07:00
Leonardo de Moura
16b7bc3922 fix(kernel/default_converter): broken optimization
we must also check the universe levels when applying the optimization for
constraints of the form:

            f.{l_1 ... l_k} a_1 ... a_n  =?= f.{l_1' ... l_k'} b_1 ... b_n

The optimization tries to avoid unfolding f if we can establish that
a_i is definitionally equal to b_i for each i in [1, n]

closes #581
2015-05-06 18:32:41 -07:00
Leonardo de Moura
dcc94dde82 refactor(kernel): rename may_reduce_later to is_stuck, and make is_stuck more precise
It now reflects the definition used in the elaboration paper.
2015-04-27 11:20:15 -07:00
Leonardo de Moura
f33ad9d6f4 feat(kernel): add equivalence manager for speeding up is_def_eq 2015-03-27 10:34:54 -07:00
Leonardo de Moura
a8554b6ed9 fix(kernel/default_converter): avoid assertion violation when normalizing type incorrect expressions 2015-02-22 16:17:43 -08:00
Leonardo de Moura
fcd67649ed refactor(kernel): expose may_reduce_later method 2015-02-07 20:36:26 -08:00
Leonardo de Moura
b57f93bad5 refactor(kernel): remove unnecessary procedures 2015-02-07 20:14:19 -08:00
Leonardo de Moura
4c2277fccf feat(kernel/converter): more cleanup 2015-02-07 19:19:01 -08:00
Leonardo de Moura
73acaca21e refactor(kernel/default_converter): remove extra_opaque_pred 2015-02-07 19:05:46 -08:00
Leonardo de Moura
7823905fc1 fix(kernel/default_converter): use is_opaque at is_delta 2015-02-07 17:30:36 -08:00
Leonardo de Moura
e04250f0d8 refactor(library/tactic/rewrite_tactic): use default_converter 2015-02-07 16:44:51 -08:00
Leonardo de Moura
c04c0e8381 refactor(*): remove transparent_scope hack, replace [strict] with [all-transparent] annotation 2015-02-07 15:19:41 -08:00
Leonardo de Moura
12d320fa19 refactor(kernel/default_converter): avoid carrying type_checker and delayed_justification around in the default_converter 2015-02-07 14:10:56 -08:00
Leonardo de Moura
71b9215a70 refactor(kernel/default_converter): cleanup 2015-02-07 13:49:42 -08:00
Leonardo de Moura
3f06f7b6fd refactor(kernel): move default_converter to its own module 2015-02-07 11:33:37 -08:00