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203 commits

Author SHA1 Message Date
Leonardo de Moura
90bfd84a07 feat(frontends/lean): Type is now (Type 1) 
In the standard library, we should use explicit universe variables for
universe polymorphic definitions.

Users that want to declare universe polymorphic definitions but do not
want to provide universe level parameters should use
  Type _
or
  Type*
 2016-09-17 14:30:54 -07:00
Leonardo de Moura
5e8f2add84 refactor(library/init): use universe variables 2016-09-17 12:25:02 -07:00
Leonardo de Moura
0b90ace9f8 feat(frontends/lean/builtin_exprs): basic support for let-expr with patterns 2016-09-11 22:21:10 -07:00
Leonardo de Moura
1afd81384f chore(library/let): delete let-macro hack 2016-09-10 13:06:07 -07:00
Leonardo de Moura
91994ff823 feat(frontends/lean/elaborator): switch to new let-decls 2016-09-10 13:00:53 -07:00
Leonardo de Moura
b12fa5c8da feat(frontends/lean): add support for 'suffices'-expression in the new elaborator 2016-09-08 17:26:27 -07:00
Leonardo de Moura
001991dbeb feat(frontends/lean): use equations_header 2016-08-30 13:45:59 -07:00
Leonardo de Moura
e99eb6d47e feat(frontends/lean): revising inaccessible terms syntax again :( 2016-08-19 13:57:12 -07:00
Leonardo de Moura
e384b5c5f9 refactor(frontends/lean): move structure_instance to separate module 2016-08-16 14:56:09 -07:00
Leonardo de Moura
fc4e304b27 refactor(library): move equations to equations_compiler 2016-08-11 10:08:30 -07:00
Leonardo de Moura
f056f0f2cb refactor(library): definitional ==> constructions 2016-08-11 10:08:22 -07:00
Leonardo de Moura
f5c35f8d76 chore(*): fix compilation warnings 2016-08-10 18:03:13 -07:00
Leonardo de Moura
f75de2e950 chore(library/definitional,frontends/lean): remove decreasing macro 2016-08-09 16:27:33 -07:00
Leonardo de Moura
371dd9d1e1 refactor(frontends/lean): move match-expr parser to different module 2016-08-08 09:05:22 -07:00
Leonardo de Moura
1e6b3614ab feat(frontends/lean): new pattern matching validation 
@Kha, we now support variable/constant shadowing in patterns.
A constant may occur in a pattern if it is a constructor or tagged with
the new [pattern] attribute. In the standard library, I have tagged
'add', 'zero', 'one', 'bit0', 'bit1' and 'rfl' with this new attribute.
BTW, arbitrary constants and variables may occur nested in type ascriptions and
inaccessible terms.

Here is an example:

     meta_definition tactic_result_to_string {A : Type} : tactic_result A → string
     | (success a s)   := to_string a
     | (exception ⌞A⌟ e s) := "Exception: " ++ to_string (e ())

I had to use the inaccessible ⌞A⌟ in the example above, otherwise, we would be shadowing the parameter
{A : Type}, and we would get a type error.

The new validation is performed at to_pattern_fn (parser.cpp).
 2016-08-07 11:31:11 -07:00
Leonardo de Moura
5eddff44ab fix(frontends/lean/builtin_exprs): better error position 2016-08-06 13:43:09 -07:00
Leonardo de Moura
b6420904f5 feat(frontends/lean): resolved quoted names 2016-08-05 17:04:36 -07:00
Leonardo de Moura
8b05fba6ef feat(frontends/lean/elaborator): propagate expected type to arguments when elaborating constructors 2016-08-04 14:07:15 -07:00
Leonardo de Moura
6a0d9dab40 feat(frontends/lean/elaborator): anonymous constructors 2016-08-04 13:03:49 -07:00
Leonardo de Moura
1ca15e9b42 chore(frontends/lean): remove obtain-expr dead code 2016-08-03 17:41:16 -07:00
Sebastian Ullrich
c4edad0372 feat(frontends/lean, library): remove attribute and metaclass scoping 
All data is now part of either a global, permanent scope or a local,
temporary one
 2016-07-29 23:44:21 -04:00
Leonardo de Moura
7ddf1e817b chore(frontends/lean): coercions are disabled by default 2016-07-29 13:03:23 -07:00
Leonardo de Moura
477a137db9 feat(frontends/lean): remove 'using' expressions 
Reason: we have include/omit commands
 2016-07-28 09:53:27 -07:00
Leonardo de Moura
01283512a6 feat(frontends/lean/elaborator): add code for deciding which function application elaboration procedure should be used 2016-07-25 12:55:28 -07:00
Leonardo de Moura
212d222047 feat(frontends/lean): quoted names 2016-07-22 19:06:57 -07:00
Leonardo de Moura
599916c352 fix(frontends/lean/builtin_exprs): position information 2016-07-22 11:22:37 -07:00
Leonardo de Moura
9721757d87 fix(frontends/lean/builtin_exprs): position information when parsing do-notation 2016-07-22 11:14:33 -07:00
Leonardo de Moura
9740515be1 chore(frontends/lean/builtin_exprs): remove '#tactic' 2016-07-02 11:15:46 +01:00
Leonardo de Moura
6cb63d5f9a feat(frontends/lean/builtin_exprs): simplify '@' and '@@' 2016-07-02 11:08:18 +01:00
Leonardo de Moura
90d920b7c9 chore(frontends/lean,library/explicit): remove dead code 2016-07-02 01:57:43 +01:00
Leonardo de Moura
97719a4c5f refactor(frontends/lean): disable '!' operator, and adjust standard library 2016-07-02 01:41:46 +01:00
Leonardo de Moura
fbec9053dc feat(frontends/lean/builtin_exprs): add 'else case' for do-match notation 2016-06-27 15:28:17 +01:00
Leonardo de Moura
c624c2d932 feat(frontends/lean): allow patterns in 'do' notation 2016-06-24 19:28:48 -07:00
Leonardo de Moura
9de819baaf chore(library/init/monad): change precedence for >>= and >> 
We are now using the same one used in Haskell.
 2016-06-21 18:29:07 -07:00
Leonardo de Moura
46cf91c969 chore(frontends/lean): remove 'assert' keyword 
In Lean3, `assert` was just an alias for `have`.
 2016-06-17 14:20:26 -07:00
Leonardo de Moura
586baa4118 feat(library,frontends/lean): support for quoted expressions in the VM, compiler and frontend 
TODO: invoke elaborator at tactic.to_expr
 2016-06-15 16:06:39 -07:00
Leonardo de Moura
3996f9db4d feat(frontends/lean): add ( token and remove token 2016-06-15 13:22:31 -07:00
Leonardo de Moura
5459e9ad8a chore(frontends/lean): remove dead code 2016-06-13 10:42:38 -07:00
Leonardo de Moura
b54203f6b3 feat(frontends/lean): parse by-expression 2016-06-13 10:25:26 -07:00
Leonardo de Moura
d16e1d85fb chore(frontends/lean): remove proof-qed expressions 2016-06-13 10:04:51 -07:00
Leonardo de Moura
0261a81eb0 feat(frontends/lean): add '()' as notation for unit.star 2016-06-08 17:26:48 -07:00
Leonardo de Moura
a61a6abba1 feat(src/frontends/lean/builtin_exprs): allow user to specify type of local decls in 'do' notation 2016-06-06 14:44:57 -07:00
Sebastian Ullrich
9561b45af1 fix(frontends/lean): uniform handling of declaration compound names 
* allow compound names in `namespace` and `structure`
* adjust error messages

Conflicts:
	src/frontends/lean/builtin_tactics.cpp
 2016-06-02 18:13:50 -07:00
Leonardo de Moura
7c97d88be5 feat(frontends/lean/builtin_exprs): add optional curly braces for do-notation 2016-05-25 15:15:39 -07:00
Leonardo de Moura
174fba9dbd feat(frontends/lean): add support for monadic 'do'-notation 2016-05-24 17:18:15 -07:00
Leonardo de Moura
54f68226f4 chore(frontends/lean): disable old tactic framework and blast 2016-04-25 16:22:15 -07:00
Leonardo de Moura
fdea718d9d chore(frontends/lean): remove all #include "library/tactic.*" from frontends/lean 2016-04-25 15:41:12 -07:00
Leonardo de Moura
d88098f38d chore(frontends/lean): remove some of the tactic support 2016-04-25 15:26:56 -07:00
Leonardo de Moura
de64750621 chore(frontends/lean): disable expressions that use tactic framework 2016-04-25 15:07:26 -07:00
Leonardo de Moura
22f3efc5be remove(frontends/lean): begin_end pre-tactics 
This was never used
 2016-03-03 10:02:09 -08:00