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25 commits

Author SHA1 Message Date
Leonardo de Moura
f9874cd675 feat(library/tactic): add to_tactic_ext, it allows functions that return tactics to be used where a tactic is expected 
For example, after this commit, we can write

simple_tac = REPEAT(ORELSE(imp_tactic, conj_tactic)) .. assumption_tactic

instead of

simple_tac = REPEAT(ORELSE(imp_tactic(), conj_tactic())) .. assumption_tactic()

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-29 09:40:21 -08:00
Leonardo de Moura
b3f87e2e4f feat(library/tactic): make THEN, ORELSE, APPEND, PAR and INTERLEAVE nary combinators 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-28 22:11:07 -08:00
Leonardo de Moura
b4a8418d38 feat(library/tactic): expose tactics in the Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-27 17:47:29 -08:00
Leonardo de Moura
c22f863114 refactor(library/tactic): improve solve method 
Now, it produces the following outcomes:
1- A proof
2- A counterexample
3- A list of (unsolved) final states

Remark: the solve method does not check whether the proof or counterexample is correct.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-25 13:04:12 -08:00
Leonardo de Moura
500ed7a05b refactor(library/tactic): remove dead code, make proof_state a smart pointer, cleanup 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-25 10:39:40 -08:00
Leonardo de Moura
48d7afb0e8 feat(library/tactic): add trace_state_tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-24 16:44:02 -08:00
Leonardo de Moura
9c42a05b08 feat(library/tactic): add conj_tactic and imp_tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-24 16:29:04 -08:00
Leonardo de Moura
1c607f3350 feat(library/tactic): add cond and when tacticals. 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-24 12:04:32 -08:00
Leonardo de Moura
40d612eca0 feat(library/tactic): add repeat1 and determ tacticals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-24 11:38:51 -08:00
Leonardo de Moura
cb7a5288c5 refactor(library/tactic): minimize the amount of copying in the tactic API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-24 11:27:06 -08:00
Leonardo de Moura
40a2f0a588 refactor(util/lazy_list): polish lazy_list API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-23 17:45:01 -08:00
Leonardo de Moura
d1adfd52e6 feat(library/tactic): add mk_simple_tactic template 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-23 15:53:45 -08:00
Leonardo de Moura
f19944cf09 refactor(util/lazy_list): 'lazier' lazy_lists 
In the new implementation, even the head of the lazy list is computed on demand.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-23 15:33:30 -08:00
Leonardo de Moura
18d114416f feat(library/tactic): add take and force tacticals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-22 17:05:18 -08:00
Leonardo de Moura
d258a4b7b8 feat(library/tactic): add repeat and repeat_at_most tacticals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-22 16:39:25 -08:00
Leonardo de Moura
8bece1b53d feat(library/tactic): add append, interleave and par tacticals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-22 16:15:03 -08:00
Leonardo de Moura
df96068caa fix(library/tactic): clean up try_for 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-22 15:51:17 -08:00
Leonardo de Moura
9fd594533d refactor(library/tactic): simplify tactic framework, add orelse and try_for combinators/tacticals 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-22 15:46:43 -08:00
Leonardo de Moura
796fb3c3bf refactor(library/tactic): remove justification_builder 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
41062fdf9f feat(library/tactic): add pretty printer for goal and proof_state objects, add solve method for tactics, add trivial example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
5346b67651 refactor(library/state): rename Lean state object to io_state 
The idea is to make it clear that io_state is distinguish it from proof_state, and from leanlua_state.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
680ec8abba refactor(library/tactic): reorganize tactic API, add assumption_tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
63bbf07f64 feat(library/tactic): add 'idtac' tactic and 'then' tactical 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
a03841c18b feat(tactic): refine tactic API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-21 17:29:06 -08:00
Leonardo de Moura
3a6aa2dc75 feat(library/tactic): add tactic framework APIs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-20 17:19:05 -08:00