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Author SHA1 Message Date
Leonardo de Moura
b08c606696 fix(library/io_state): bug in the io_state Lua bindings 
This commit also includes a new test that exposes the problem.
The options in the io_state object were being lost.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 16:39:42 -08:00
Leonardo de Moura
2648f41eaa test(tests/lean): add new test script that checks if Lean can parse the output produced by its pretty printer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 16:16:56 -08:00
Leonardo de Moura
d9e692f506 feat(frontends/lean): improve coercion manangement 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 15:45:46 -08:00
Leonardo de Moura
f43db96e1f fix(frontends/lean/pp): pretty printer for Type 
Add parenthesis around Type when it has a universe.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 15:24:45 -08:00
Leonardo de Moura
ae01d3818d fix(frontends/lean/parser): parse_type method 
The parser had a nasty ambiguity. For example,
    f Type 1
had two possible interpretations
    (f (Type) (1))
or
    (f (Type 1))

To fix this issue, whenever we want to specify a particular universe, we have to precede 'Type' with a parenthesis.
Examples:
    (Type 1)
    (Type U)
    (Type M + 1)

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 15:24:34 -08:00
Leonardo de Moura
46627289b8 fix(kernel/expr): avoid '_' as a binder name, we use '_' as a placeholder in the Lean frontend 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 14:47:53 -08:00
Leonardo de Moura
6cc83dbe2a fix(kernel/kernel_exception): incorrect pp method 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 14:46:22 -08:00
Leonardo de Moura
d3d24696f4 feat(frontends/lean): hide builtin object in the 'Show Environment' command 
The user can still display builtin objects by using

    Show Environment all

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 14:00:58 -08:00
Leonardo de Moura
ad3f771b1d feat(frontends/lean): hide 'explicit' version of objects with implicit arguments 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 13:12:39 -08:00
Leonardo de Moura
bff5a6bfb2 fix(frontends/lean/pp): make sure pp and parser are using the same precedences 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 12:46:14 -08:00
Leonardo de Moura
02bd166793 chore(library/basic_thms): fix typo in comment 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 12:22:05 -08:00
Leonardo de Moura
9b14744405 chore(examples/lean): use the same notation in the example set.lean 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 21:24:04 -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
d7886c4f5f doc(examples/lean): new example 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 21:03:16 -08:00
Leonardo de Moura
42cb5d1d3c fix(tests/lean): typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 20:11:49 -08:00
Leonardo de Moura
8cfe5cf9ed fix(frontends/lean/pp): pretty printer was ignoring notation decls in the local scope 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 18:00:37 -08:00
Leonardo de Moura
79fa6e4940 feat(frontends/lean): Scopes in the default Lean frontend 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 17:40:21 -08:00
Leonardo de Moura
97b872a05c refactor(frontends/lean): remove frontend class, it is not needed anymore 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 14:37:55 -08:00
Leonardo de Moura
2aaa9a5273 feat(frontends/lean/parser): change function application precedence 
Now, we can write

  Pi (x y : A), R x y -> R y x

instead of

  Pi (x y : A), (R x y) -> (R y x)

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 12:44:15 -08:00
Leonardo de Moura
47c7bb1bde refactor(*): uses aliases for unordered_map and unordered_set 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 12:30:45 -08:00
Leonardo de Moura
1e4fa76a47 feat(util/name_map): add template alias 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 11:34:40 -08:00
Leonardo de Moura
7b2fea3fab fix(kernel/normalizer): compilation problem with clang++ 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-18 08:46:36 -08:00
Leonardo de Moura
418623b874 feat(kernel/replace_fn): add template replace that captures commonly used pattern 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 18:31:59 -08:00
Leonardo de Moura
23e518001a feat(kernel/normalizer): avoid unnecessary creation of closures for n-ary functions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 18:10:13 -08:00
Leonardo de Moura
10f28c7bec feat(kernel/replace_fn): non-recursive replace_fn 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 16:35:39 -08:00
Leonardo de Moura
af4a6c9364 fix(kernel/normalizer): cache problems 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 14:52:14 -08:00
Leonardo de Moura
33789fad4c fix(kernel/builtin): make sure the if-then-else semantic attachment is not a simplifier 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 14:34:40 -08:00
Leonardo de Moura
c53233ea26 fix(kernel/normalizer): avoid svalue hack, use 'semantic attachments' for implementing closures, include context in the closure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 14:33:42 -08:00
Leonardo de Moura
836357c65c fix(kernel/normalizer): bug in Let normalization 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 12:35:25 -08:00
Leonardo de Moura
84bfe2a222 fix(library/elaborator): bug in process_meta_app 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 10:56:20 -08:00
Leonardo de Moura
b887a2b900 fix(examples/lean/tactic_in_lua): try to make sure the example works when using LuaJIT 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-17 08:58:06 -08:00
Leonardo de Moura
09b51a0fb7 fix(library/elaborator): missing condition 
The elaborator was missing solutions because of the missing condition at is_simple_ho_match.

This commit also adds a new test that exposes the problem.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 17:13:36 -08:00
Leonardo de Moura
f09fd0fc04 feat(kernel/printer): include de Bruijn index in the debug printer 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 16:56:46 -08:00
Leonardo de Moura
91f4ced83b feat(library/elaborator): do not create trivial constraints of the form 'ctx |- t =:= t' 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 16:41:20 -08:00
Leonardo de Moura
5b29fd8d93 test(tests/lean): add ExistsElim test 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 15:43:09 -08:00
Leonardo de Moura
7792561b20 fix(library/type_inferer): another incorrect use of scoped_map 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 15:17:19 -08:00
Leonardo de Moura
af42078205 fix(kernel): incorrect use of scoped_map 
This commit also adds a new test that exposes the problem.
The scoped_map should not be used for caching values in the normalizer and type_checker. When we extend the context, the meaning of all variables is modified (we are essentially performing a lift). So, the values stored in the cache are not correct in the new context.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 15:11:39 -08:00
Leonardo de Moura
2fee2def72 feat(library/basic_thms): simplify DoubleNegElim 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 13:19:19 -08:00
Leonardo de Moura
de53e92de8 feat(library/basic_thms): add ExistsElim theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 12:43:34 -08:00
Leonardo de Moura
8f5c2b7d9f feat(library/basic_thms): add Refute theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 12:03:31 -08:00
Leonardo de Moura
8f9405c8b3 fix(library/elaborator): tag meta_app constraints of the form 'ctx |- m?[inst:i v] t1 =:= t2' as expensive 
This commits also adds a new unit test that demonstrates non-termination due to this kind of constraint.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-16 09:39:02 -08:00
Leonardo de Moura
2972fb9d8c test(tests/lean): new elaborator tests 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-15 22:00:26 -08:00
Leonardo de Moura
61bd27ff06 fix(library/elaborator): bug in simple_ho_match 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-15 21:48:55 -08:00
Leonardo de Moura
19ad39159e feat(library/basic_thms): add ForallIntro theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-15 17:35:31 -08:00
Leonardo de Moura
82dfb553d5 feat(library/basic_thms): add ExistsIntro theorem 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-15 16:26:23 -08:00
Leonardo de Moura
2253d8079b chore(util/pdeque): remove unused template 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 23:31:44 -08:00
Leonardo de Moura
993bea8206 refactor(library/elaborator): improve elaborator state data-structure 
The "quota" hack used before this commit was inefficient, and too hackish.
This commit uses two lists of constraints: active and delayed.
The delayed constraints are only processed when there are no active constraints.
We use a simple index to quickly find which delayed constraints have assigned metavariables.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>

checkpoint

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 23:27:08 -08:00
Leonardo de Moura
5aa9264091 feat(util/list): add remove_last template 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 23:08:10 -08:00
Leonardo de Moura
1b1032eb99 feat(util/list): improved filter that reuses list cells 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 20:15:37 -08:00
Leonardo de Moura
bdbf85405a feat(library/elaborator): add extra occurs-check test 
The idea is to catch the inconsistency in constraints such as:

    ctx |- ?m[inst:0 v] == fun x, ?m a x

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-14 19:47:33 -08:00