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124 commits

Author SHA1 Message Date
Leonardo de Moura
15621610e9 refactor(library/arith): replace Nat, Int, Real with simple variable decls instead of semantic attachments 
This commit also fixes bugs in the Alias command.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-29 17:04:36 -08:00
Leonardo de Moura
a1a5fb101d feat(frontends/lean): add Alias command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-29 16:25:45 -08:00
Leonardo de Moura
b1efdac07b feat(frontends/lean/parser): universe declarations 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-29 13:15:09 -08:00
Leonardo de Moura
411ebbc3c1 refactor(library/basic_thms): move the proof of all basic theorems to a .Lean file 
This commit also adds several new theorems that are useful for implementing the simplifier.
TODO: perhaps we should remove the declarations at basic_thms.h?

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-29 03:04:49 -08:00
Leonardo de Moura
41c1010043 feat(frontends/lean/parser): make Import command use binary Lean files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-28 19:20:04 -08:00
Leonardo de Moura
aee1c6d3f3 feat(kernel): export/import (.olean) binary files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-28 17:31:35 -08:00
Leonardo de Moura
1fd81dd3a1 feat(frontends/lean/parser): disable verbose messages when importing files 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-28 12:24:13 -08:00
Leonardo de Moura
44a31dd8fb feat(frontends/lean/parser): improve Import command 
- The extension does not have to be provided.
- It can also import Lua files.
- Hierachical names can be used instead of strings.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-28 12:05:01 -08:00
Leonardo de Moura
a9ee92aa3f fix(frontends/lean/parser): macro precedence 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 19:17:43 -08:00
Leonardo de Moura
3abfad7a88 feat(frontends/lean/parser): add support for integer arguments in macros 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 18:51:37 -08:00
Leonardo de Moura
f1b97b18b4 refactor(frontends/lean/parser): tactic macros, and tactic Lua bindings 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 15:54:53 -08:00
Leonardo de Moura
ef18cc4a92 fix(frontends/lean/parser): add existing command macros when creating parser object 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 13:38:14 -08:00
Leonardo de Moura
8e4560a866 feat(frontends/lean/parser): protect imported modules from Lua definitions and macros in the file importing the module 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 13:21:36 -08:00
Leonardo de Moura
ba02132a90 feat(frontends/lean/parser): add command macros 
The idea is to allow users to define their own commands using Lua.
The builtin command Find is now written in Lua.
This commit also fixes a bug in the get_formatter() Lua API.
It also adds String arguments to macros.

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 13:00:28 -08:00
Leonardo de Moura
480781d13e feat(frontends/lean/parser): provide environment as an argument to macros, allow macros to parse tactics 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-26 11:15:45 -08:00
Leonardo de Moura
3673f2ac1d feat(frontends/lean/parser): add Find command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-25 18:31:52 -08:00
Leonardo de Moura
a3dde29f3c feat(frontends/lua/parser): allow users to specify the precedence of macros 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-25 12:27:56 -08:00
Leonardo de Moura
f418491c70 fix(frontends/lua/parser): typo 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-25 12:03:04 -08:00
Leonardo de Moura
8e45064f25 feat(library/tactic/apply_tactic): improved parametric apply_tactic 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-24 22:40:34 -08:00
Leonardo de Moura
75cf751959 feat(library/tactic/apply_tactic): allow apply_tac Lua binding to take expressions as argument 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-24 16:03:16 -08:00
Leonardo de Moura
879ab6924a tests(test/lean): remove 'Importing...' message, the tests using the Import command fail when running on a different machine 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-24 12:26:53 -08:00
Leonardo de Moura
d5dc5cb576 feat(frontends/lean/parser): use LEAN_PATH in the Import command 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-23 22:00:44 -08:00
Leonardo de Moura
8c8cefcb0c feat(frontends/lean/parser): compact definitions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-23 21:24:50 -08:00
Leonardo de Moura
5043cc75f6 fix(frontends/lean/parser): allow parenthesis in level expressions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-23 13:31:55 -08:00
Leonardo de Moura
5244ccafe8 fix(frontends/lean/parser): readline compilation problem on Fedora19 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-23 13:12:39 -08:00
Leonardo de Moura
7c05eb4695 fix(frontends/lean/parser): make sure Lean passes all tests when being compiled with the readline library 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-23 12:57:25 -08:00
Leonardo de Moura
3e32d9bef2 feat(library/tactic): add support for Pi's at to_proof_state 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-22 16:40:55 -08:00
Leonardo de Moura
21d244d880 feat(frontends/lean/parser): allow tactic to be used to fill holes in definitions 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-22 12:08:25 -08:00
Leonardo de Moura
4229e498d2 refactor(kernel/type_checker): combine type_checker and type_inferer into a single class, and avoid code duplication 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-22 11:51:38 -08:00
Leonardo de Moura
9bac91f5ef fix(frontends/lean): libreadline support 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-21 18:57:15 -08:00
Leonardo de Moura
ce84fe5d33 feat(frontends/lean): improve error messages when elaborator cannot instantiate all metavariables 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-20 22:00:50 -08:00
Leonardo de Moura
bb81311e0a feat(frontends/lean/parser): include proof state in exception for tactic failure 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-20 17:15:12 -08:00
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
96ea8b81c8 feat(frontends/lean/parser): change show-expression binder name 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-20 01:30:18 -08:00
Leonardo de Moura
c730dd7872 feat(frontends/lean/parser): propagate position information to expressions created by macro implemented in Lua 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-20 01:07:37 -08:00
Leonardo de Moura
3eb4de6760 fix(frontends/lean/parser): fix deadlock in macro parser 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 21:40:00 -08:00
Leonardo de Moura
c77464703f feat(frontends/lean): macro definition using Lua 
Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-19 19:08:10 -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
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
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
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
51aee83b70 refactor(kernel/metavar_env): use the same approach used in the class environment in the class metavar_env 
This modification was motivated by a bug exposed by tst17 at tests/kernel/type_checker.
metavar_env is now a smart point to metavar_env_cell.
ro_metavar_env is a read-only smart pointer. It is useful to make sure we are using proof_state correctly.

example showing that the approach for caching metavar_env is broken in the type_checker

Signed-off-by: Leonardo de Moura <leonardo@microsoft.com>
 2013-12-13 18:59:15 -08:00