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9eaa608b04
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594 Commits

Author SHA1 Message Date
Jed Davis
9eaa608b04 Get rid of the Unit enum representation. 
The only thing we really lose is that C-like enums with one variant and a
non-zero discriminant now take up space, but I do not think this is a
common usage.  As previously noted, that was mostly there for
transitional compatibility with the pre-adt.rs codebase.
 2013-03-11 00:01:04 -07:00
Jed Davis
e6b5e00ea2 Simplify struct representation. 
Out goes the extra layer of struct wrapping; the destructedness flag is
added to the end of the struct.  This means that, if the struct
previously had alignment padding at the end, the flag will live there
instead of increasing the struct size.
 2013-03-10 23:57:38 -07:00
Niko Matsakis
62aa8d7de9 Simplify the interface to check_fn by pulling some of the madness out to its callers 2013-03-10 15:05:22 -04:00
Niko Matsakis
7cbd4b20ee Remove @ast::Region and replace with @ast::Lifetime. 
Modify pretty-printer to emit lifetimes and fix a few minor
parser bugs that this uncovered.
 2013-03-09 19:43:59 -05:00
Ben Striegel
fdf69dd7b0 Finish de-implicit-selfing everything but the test suite 2013-03-08 19:34:39 -05:00
Alex Crichton
2c87920f52 test: Removing dvec uses 2013-03-08 09:54:41 -05:00
Alex Crichton
2a72099063 rustc: Remove uses of DVec 2013-03-08 09:54:20 -05:00
Patrick Walton
d661711cc2 test: Fix tests. 2013-03-07 22:37:58 -08:00
Patrick Walton
9a17ef9b52 librustc: Stop parsing assert. 2013-03-07 22:37:57 -08:00
Patrick Walton
d7e74b5e91 librustc: Convert all uses of assert over to fail_unless! 2013-03-07 22:37:57 -08:00
Patrick Walton
0ea031bcb8 librustc: Remove record patterns from the compiler 2013-03-07 22:37:03 -08:00
Patrick Walton
954ae9c975 libsyntax: Remove struct literal expressions from the compiler 2013-03-07 22:32:55 -08:00
Patrick Walton
4e3dbfe052 librustc: Remove structural record types from the compiler 2013-03-07 22:32:54 -08:00
Patrick Walton
239e64242c libsyntax: Stop parsing structural record types 2013-03-07 22:32:52 -08:00
Josh Matthews
27668fbfab Allow casting integers to unsafe pointers in constant expressions. 2013-03-07 15:36:55 -05:00
Josh Matthews
7bb03345cf Inline constants across crates. 2013-03-07 15:34:52 -05:00
Josh Matthews
50277ec555 Permit casting region pointers to unsafe ones. 2013-03-07 14:48:28 -05:00
Jed Davis
a69ec175f8 GC now-unused imports 2013-03-06 20:41:58 -08:00
Jed Davis
1f9bc64bae adt.rs renaming: "field" rather than "element"; set_discr -> start_init. 
This way "field" refers to the abstraction and "element" (as in get_elt,
"get element pointer", etc.) refers to the low-level LLVM operations.
 2013-03-06 20:41:58 -08:00
Jed Davis
e13111fc5a Even more comments for ADT-related interfaces 2013-03-06 20:41:58 -08:00
Jed Davis
6840b48074 trans_cast_to_int is hard to explain; make it trans_get_discr instead. 2013-03-06 20:41:58 -08:00
Jed Davis
8dca7be1df A little more cosmetic cleanup 2013-03-06 20:41:58 -08:00
Jed Davis
d6acb96c9c Add lots of comments to adt.rs, and some minor cleanup. 2013-03-06 20:41:58 -08:00
Jed Davis
a9026c7f19 Memoize trans::adt::represent_type 2013-03-06 20:41:58 -08:00
Jed Davis
a8237a46f1 Bonus Fix: typarams are no longer inhabited 2013-03-06 20:41:58 -08:00
Jed Davis
8105da8067 GC the now-unused old layout helpers 2013-03-06 20:41:58 -08:00
Jed Davis
b6bcf1a81f Finish removing struct layout dependencies from glue. 2013-03-06 20:41:58 -08:00
Jed Davis
71b6e945c1 glue::trans_struct_drop -> adt 2013-03-06 20:41:58 -08:00
Jed Davis
5ca4fdfc98 Convert trans_tuple_struct to trans::adt. 
Surely this cannot be the best way to get the type.
 2013-03-06 20:41:57 -08:00
Jed Davis
29d0430c56 Convert iter_structural_ty to trans::adt 2013-03-06 20:41:57 -08:00
Jed Davis
c0f6909f7e base::iter_structural_ty: structs and records 2013-03-06 20:41:57 -08:00
Jed Davis
68b3f0d8a4 base::iter_structural_ty: tuples 2013-03-06 20:41:57 -08:00
Jed Davis
ca450e345f Move trans_enum_variant to trans::adt. 
As a result, trans_enum_variant no longer cares what kind of enum it's
dealing with, so the "degen" parameter goes away in a bunch of places.
 2013-03-06 20:41:57 -08:00
Jed Davis
6bb6baba2c Renovate cast-to-int 2013-03-06 20:41:57 -08:00
Jed Davis
075affa50d Convert const field extraction to trans::adt 2013-03-06 20:41:57 -08:00
Jed Davis
59daf76a8d Make functional-update struct consts not an ICE 2013-03-06 20:41:57 -08:00
Jed Davis
bb689c09f5 Convert const ADT construction to trans::adt. 
Also converts const cast-from-enum, because it used the same routine to
get the discriminant as what's renovated to construct the enums.

Also fixes ICE on struct-like variants as consts, and provides a slightly
less bad ICE for functional-update-like struct expressions in consts.
 2013-03-06 20:41:57 -08:00
Jed Davis
2a028c5ab8 Convert newtype "dereference" to trans::adt. 
Note that in the ByValue case (which can't happen? yet?) we're still
effectively bitcasting, I think.  So this change adds a way to assert
that that's safe.

Note also, for future reference, that LLVM's instcombine pass will turn
a bitcast into a GEP(0, 0, ...) if possible.
 2013-03-06 20:41:57 -08:00
Jed Davis
c7325c4172 Convert the rest of the adt GEPi's in _match 2013-03-06 20:41:57 -08:00
Jed Davis
3a4714d92e Renovate field projection expressions 2013-03-06 20:41:57 -08:00
Jed Davis
40313fb6b0 Renovate nullary variant construction 2013-03-06 20:41:57 -08:00
Jed Davis
fdd28451f6 Convert expr_struct to use adt, and try to share code with tuples. 2013-03-06 20:41:57 -08:00
Jed Davis
5cbc2571c1 Renovate expr_tup translation 2013-03-06 20:41:57 -08:00
Jed Davis
b673b26f03 Factor out discriminant loading more, for use in casts. 2013-03-06 20:41:57 -08:00
Jed Davis
a5030e7615 Wrap const structs in as many LLVM structs as the non-const case. 
This, like the previous change for unit-like enums, is only necessary
until everything is fully converted to use trans::adt.
 2013-03-06 20:40:42 -08:00
Jed Davis
e09a843973 Handle unit-like types specially. 
This change remains separate from the addition of adt.rs, even though
it's necessary for compatibility with pre-trans::adt representation,
to serve as an example of a change to the representation logic.
 2013-03-06 20:37:59 -08:00
Jed Davis
7b2b4faba8 Add a test for enum discriminant range overflow. 
It causes an LLVM assertion for every host/target word-size combination
on incoming at the time of this writing.
 2013-03-06 20:37:28 -08:00
Jed Davis
04ecab909a Re-add discriminant range annotations 2013-03-06 20:37:28 -08:00
Jed Davis
8a1706610b Avoid unnecessary casts in struct_GEP 2013-03-06 20:37:28 -08:00
Jed Davis
5e2302a56f Convert type_of to use trans::adt. 2013-03-06 20:37:28 -08:00