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88 commits

Author SHA1 Message Date
Leonardo de Moura
7772c16033 refactor(kernel): add unfold_opaque flag to normalizer, modify how type checker uses the opaque flag, remove hidden_defs, and mark most builtin definitions as opaque 
After this commit, in the type checker, when checking convertability, we first compute a normal form without expanding opaque terms.
If the terms are convertible, then we are done, and saved a lot of time by not expanding unnecessary definitions.
If they are not, instead of throwing an error, we try again expanding the opaque terms.
This seems to be the best of both worlds.
The opaque flag is a hint for the type checker, but it would never prevent us from type checking  a valid term.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-20 12:47:47 -08:00
Leonardo de Moura
dd72269b13 feat(frontends/lean): rename command Set to SetOption 
It is not nice to have Set as a reserved keyword. See example examples/lean/set.lean

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 21:18:48 -08:00
Leonardo de Moura
0eaa98221b fix(shell/lean): Lua repl missing, incorrect exit code in interactive mode, missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-09 12:25:19 -08:00
Leonardo de Moura
3ea09daf44 fix(frontends/lean/frontend): is_coercion for environment objects that have parents 
Bug was exposed by tests/lua/coercion_bug1.lua

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-08 17:47:00 -08:00
Leonardo de Moura
2a80807fef refactor(frontends/lean/pp): replace weak_ref with a strong reference, add new function (lean_formatter) for creating a Lean object formatter in the Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-08 17:33:18 -08:00
Leonardo de Moura
04b67f8b14 refactor(kernel/object): remove 'null' object, and operator bool for kernel objects 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-08 14:37:38 -08:00
Leonardo de Moura
3e1fd06903 refactor(kernel/expr): remove 'null' expression, and operator bool for expression 
After this commit, a value of type 'expr' cannot be a reference to nullptr.
This commit also fixes several bugs due to the use of 'null' expressions.

TODO: do the same for kernel objects, sexprs, etc.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-07 23:21:10 -08:00
Leonardo de Moura
0c059a9917 feat(library/tactic): use _tac suffix instead of _tactic like Isabelle 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-05 20:06:32 -08:00
Leonardo de Moura
8e53643b61 feat(library/fo_unify): first order unification 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-03 12:21:21 -08:00
Leonardo de Moura
70e06f8e86 feat(library/hidden_defs): hidden definitions are just hints for tactics and solvers 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-01 10:27:27 -08:00
Leonardo de Moura
7ed78815e0 fix(tests/lua): incorrect assertion 
The assertion got violated after a bug was fixed in the to_goal procedure.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-28 21:53:57 -08:00
Leonardo de Moura
662fb71d59 chore(tests/lua/threads): fix type in file name 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-28 13:12:54 -08:00
Leonardo de Moura
ce674d2d43 feat(library/tactic): execute Lua tactics using coroutines 
This is very important when several Lua tactics are implemented in the
same Lua State object.  In this case, even if we use the par
combinator, a Lua tactic will block the other Lua tactics running in
the same Lua State object.

With this commit, a Lua tactic can use yield to allow other tactics
in the same State object to execute.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-28 13:09:33 -08:00
Leonardo de Moura
09bc7ddf91 feat(library/tactic): add support for migratic tactic framework object between Lua states 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-28 08:03:05 -08:00
Leonardo de Moura
3dc7a856f0 refactor(library/tactic): use unprotect/protect idiom for callbacks in the tactic API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-27 18:11:46 -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
0934d7b2f4 fix(frontends/lua): make sure Lua 'sleep' function support interruption 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-27 13:25:06 -08:00
Leonardo de Moura
99a811a586 feat(bindings/lua): expose io_state object in the Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-26 12:54:47 -08:00
Leonardo de Moura
861be072d8 feat(bindings/lua): add proof_state to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-26 11:34:58 -08:00
Leonardo de Moura
fd3b9e39f6 feat(bindings/lua): add cex_builder to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-26 09:17:57 -08:00
Leonardo de Moura
4d9075bdfd feat(bindings/lua): add proof_map, assignment and proof_builder to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-26 08:37:37 -08:00
Leonardo de Moura
3ebc099ec5 feat(bindings/lua/options): improve options Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-25 21:05:05 -08:00
Leonardo de Moura
feeb6d9105 feat(bindings/lua): add goal object to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-25 20:51:47 -08:00
Leonardo de Moura
7b8bd97699 feat(lua/expr): add method for extracting semantic attachment data 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-19 19:06:47 -08:00
Leonardo de Moura
a98fdd9be6 refactor(shell): combine lean and leanlua executables in a single executable 
The main motivation is to allow users to configure/extend Lean using .lua files before loading the actual .lean files.
Example:
        ./lean extension1.lua extension2.lua file.lean

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-19 16:48:21 -08:00
Leonardo de Moura
87775cbc07 chore(build): include incorrect output in the logs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-18 15:39:55 -08:00
Soonho Kong
20756c382c test(*): split leantests, leanslowtests, leanluatests, leanluadocs into singletons 2013-11-18 18:27:11 -05:00
Leonardo de Moura
b2d1acd0b7 test(lua/environment): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-18 09:27:46 -08:00
Leonardo de Moura
1315378ebb test(*): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-18 09:13:34 -08:00
Leonardo de Moura
7976937e4c test(lua/metavar_env): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 19:18:47 -08:00
Leonardo de Moura
69be5f6c94 feat(kernel/environment): track which modules were already imported 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 18:15:44 -08:00
Leonardo de Moura
5f651d46e6 tests(lua/frontend_lean): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 13:48:29 -08:00
Leonardo de Moura
df94e44806 test(lua/expr): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 11:46:24 -08:00
Leonardo de Moura
e693c2de01 test(lua/name): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 11:25:21 -08:00
Leonardo de Moura
8a13df3ce1 test(lua/type_inferer): add missing tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 11:17:32 -08:00
Leonardo de Moura
f586e58ac3 test(lua/justification): add more tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 11:13:10 -08:00
Leonardo de Moura
d0bac61e74 fix(lua/numerics): bug in bindings, add more tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-17 11:02:44 -08:00
Leonardo de Moura
926ed0a02d feat(lua): add type_inferer object to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-16 19:18:15 -08:00
Leonardo de Moura
8525e8534b feat(lua): expose parse_expr and parse_commands from frontends/lean in the Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-15 16:11:26 -08:00
Leonardo de Moura
a74412963a chore(build): only execute lua multi-threading tests when on cygwin or linux, and using g++ 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-15 09:27:58 -08:00
Leonardo de Moura
5e170ce5fe chore(tests/lua): move examples that use threads to tests/lua/threads 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-15 09:11:58 -08:00
Leonardo de Moura
b5dcb93550 feat(lua): communication channels for threads 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 21:10:46 -08:00
Leonardo de Moura
3a924a5fb1 perf(lua/name): improve to_name_ext performance 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 18:06:09 -08:00
Leonardo de Moura
abe93dfec0 fix(lua/splay_tree): for_each method was crashing if the map was updated during for_each 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 13:48:23 -08:00
Leonardo de Moura
64cce595a5 feat(lua): add splay_maps to the Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 13:35:36 -08:00
Leonardo de Moura
9e445d1917 feat(lua): interrupt and sleep Lua APIs 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 10:04:32 -08:00
Leonardo de Moura
691893258d feat(kernel/expr): add hash code based on allocation time 
The new hash code has the property that given expr_cell * c1 and expr_cell * c2,
if c1 != c2 then there is a high propbability that c1->hash_alloc() != c2->hash_alloc().

The structural hash code hash() does not have this property because we may have
c1 != c2, but c1 and c2 are structurally equal.

The new hash code is only compatible with pointer equality.
By compatible we mean, if c1 == c2, then c1->hash_alloc() == c2->hash_alloc().
This property is obvious because hash_alloc() does not have side-effects.

The test tests/lua/big.lua exposes the problem fixed by this commit.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-14 02:43:11 -08:00
Leonardo de Moura
ae7ea99b56 fix(lua): copy_values and add tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-13 21:31:27 -08:00
Leonardo de Moura
351ef867d2 feat(lua): add abstract, instantiate, has_free_vars, lift/lower free_vars to Lua API 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-13 17:02:49 -08:00
Leonardo de Moura
1bf6051866 test(lua): expr LUA API test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-11-13 15:29:31 -08:00