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126 Commits

Author SHA1 Message Date
Flavio Percoco
4b09209efe Ensure default trait impls hold 2015-02-22 02:14:25 +01:00
Flavio Percoco
a962d47ef8 look for default trait candidates 2015-02-22 02:14:24 +01:00
Niko Matsakis
931a3c4f9d Detect and store object-lifetime-defaults. 2015-02-16 10:55:36 -05:00
Niko Matsakis
3e88b5bbf9 Rote changes to fix fallout throughout the compiler from splitting the 
predicates and renaming some things.
 2015-02-12 13:29:51 -05:00
Niko Matsakis
25a27977fa Add Clone to the list of bounds for a TypeFolder. (Kill?) 2015-01-28 05:15:24 -05:00
Niko Matsakis
006f3eacae Fix a latent bug in trait dispatch where we sometimes counted associated types 
when constructing the vtable-index. Not good.
 2015-01-28 05:15:23 -05:00
Eduard Burtescu
11ef6f1349 Remove "unboxed" attribute in code referring to new closures. 2015-01-26 04:15:09 +02:00
Huon Wilson
000dc07f71 Store a method-from-trait's impl in some cases when it is known. 
This allows one to look at an `ExprMethodCall` `foo.bar()` where `bar`
is a method in some trait and (sometimes) extract the `impl` that `bar`
is defined in, e.g.

    trait Foo {
        fn bar(&self);
    }

    impl Foo for uint { // <A>
        fn bar(&self) {}
    }

    fn main() {
        1u.bar(); // impl_def_id == Some(<A>)
    }

This definitely doesn't handle all cases, but is correct when it is
known, meaning it should only be used for certain linting/heuristic
purposes; no safety analysis.
 2015-01-24 13:01:21 +11:00
Ariel Ben-Yehuda
8e1e0f0b57 Remove onceness & bounds - they don't do anything. 2015-01-20 00:50:14 +02:00
Ariel Ben-Yehuda
e0eb3ccba0 Kill TraitStore 2015-01-20 00:43:15 +02:00
Jared Roesch
6a66b32270 Refactor compare_impl_method to use all bounds 
Refactor compare_impl_method into its own file. Modify the
code to stop comparing individual parameter bounds.
Instead we now use the predicates list attached to the trait
and implementation generics. This ensures consistency even
when bounds are declared in different places (i.e on
a parameter vs. in a where clause).
 2015-01-14 13:43:17 -08:00
Niko Matsakis
47424cda1e Normalize bounds that we extract from where clauses. Fixes #20765. 2015-01-12 09:23:50 -05:00
Alex Crichton
11e265c2e0 rollup merge of #20707: nikomatsakis/issue-20582 2015-01-07 17:44:24 -08:00
Alex Crichton
bcebec5084 rollup merge of #20706: nikomatsakis/assoc-types-projections-in-structs-issue-20470 
Conflicts:
	src/librustc_trans/trans/expr.rs
 2015-01-07 17:35:00 -08:00
Niko Matsakis
4dd368b90a Normalize associated types in with_field_tys 2015-01-07 20:26:20 -05:00
Niko Matsakis
bdc1bfd8f1 Rename common::normalize to common::erase_regions 2015-01-07 14:07:58 -05:00
bors
c0216c8945 Merge pull request #20674 from jbcrail/fix-misspelled-comments 
Fix misspelled comments.

Reviewed-by: steveklabnik
 2015-01-07 15:35:30 +00:00
Joseph Crail
e3b7fedc20 Fix misspelled comments. 
I cleaned up comments prior to the 1.0 alpha release.
 2015-01-06 20:53:18 -05:00
Alex Crichton
0b3b957554 rollup merge of #20645: nikomatsakis/rustbook-ice 
Conflicts:
	src/librustc/middle/mem_categorization.rs
	src/librustc/middle/ty.rs
	src/librustc_trans/trans/base.rs
	src/librustc_trans/trans/expr.rs
	src/librustc_trans/trans/foreign.rs
	src/librustc_typeck/check/mod.rs
 2015-01-06 15:29:09 -08:00
Alex Crichton
e2f97f51ad Register new snapshots 
Conflicts:
	src/librbml/lib.rs
	src/libserialize/json_stage0.rs
	src/libserialize/serialize_stage0.rs
	src/libsyntax/ast.rs
	src/libsyntax/ext/deriving/generic/mod.rs
	src/libsyntax/parse/token.rs
 2015-01-06 15:24:24 -08:00
Niko Matsakis
2486d93e5b Fix ICE that @steveklabnik encountered in rust-ice. The problems turned out to be that were being very loose with bound regions in trans (we were basically just ignoring and flattening binders). Since binders are significant to subtyping and hence to trait selection, this can cause a lot of problems. So this patch makes us treat them more strictly -- for example, we propagate binders, and avoid skipping past the Binder by writing foo.0. 
Fixes #20644.
 2015-01-06 13:42:42 -05:00
Jorge Aparicio
5f7f2c9a05 remove ty_closure 2015-01-05 17:22:15 -05:00
Niko Matsakis
537139ee00 Convert the TODO into a FIXME. 2015-01-04 12:01:19 -05:00
Niko Matsakis
71cdf76240 Fix ICE in WF checker when we encounter bound regions in object types. 2015-01-04 12:01:19 -05:00
Jorge Aparicio
56dcbd17fd sed -i -s 's/\bmod,/self,/g' **/*.rs 2015-01-03 22:42:21 -05:00
Niko Matsakis
dabd7507b6 Ensure that, for every trait Foo, the predicate Foo : Foo holds. 2015-01-02 12:09:38 -05:00
Niko Matsakis
1b3734f8ae Fix fallout from change, adding explicit Sized annotations where necessary. 2015-01-02 12:06:59 -05:00
Niko Matsakis
1e3214ba33 Normalize the associated types in closure and closure upvar types. 2015-01-01 18:48:26 -05:00
Niko Matsakis
b7c6e317b0 Make projected types select out of the trait bounds. 2014-12-30 09:36:22 -05:00
Niko Matsakis
becbd81aaa Integrate projection bounds to ExistentialBounds but do not use them for anything. 2014-12-30 09:36:21 -05:00
Niko Matsakis
82787c2252 Convert to use Rc<TraitRef> in object types (finally!). 2014-12-30 09:36:21 -05:00
Niko Matsakis
4404592f36 Implement associated type projection and normalization. 2014-12-30 09:36:21 -05:00
Niko Matsakis
986f654f3b Rename trait_ref field to predicate, since trait_ref is really 
overly general, and the value is always *some* sort of predicate.
 2014-12-30 09:32:42 -05:00
Huon Wilson
91db254c81 More rebase fixes. 2014-12-30 00:11:30 +11:00
Huon Wilson
a33a7d20de Switch Region information from uint to u32. 
This reduces memory use for building librustc with -O from 1.88 to 1.76
GB.
 2014-12-29 23:55:24 +11:00
Huon Wilson
4f2b0f032a Store Substs in an arena in the tcx. 
This current inflates memory use more than 3 times.
 2014-12-29 23:55:24 +11:00
Flavio Percoco
fb803a8570 Require types to opt-in Sync 2014-12-26 17:26:32 +01:00
Niko Matsakis
f46099575a Make ty_bare_fn carry an optional def-id indicating whether it is the 
type of a fn item or a fn pointer, which are now differentiated.
Introduce coercion from fn item to fn pointer.
 2014-12-22 12:27:07 -05:00
Eduard Burtescu
e0d44386d3 rustc: use Ty instead of passing ty::sty around. 2014-12-20 07:04:42 +02:00
Niko Matsakis
1085012cd2 Kill some warnings about shadowed lifetimes 2014-12-19 03:29:59 -05:00
Niko Matsakis
f45c0ef51e Implement "perfect forwarding" for HR impls (#19730). 2014-12-19 03:29:31 -05:00
Niko Matsakis
c2ca1a4b62 Make all predicates higher-ranked, not just trait references. 2014-12-19 03:29:30 -05:00
Niko Matsakis
1205fd88df Centralize on using Binder to introduce new binding levels, rather than having FnSig carry an implicit binding level. This means that we be more typesafe in general, since things that instantiate bound regions can drop the Binder to reflect that. 2014-12-19 03:29:30 -05:00
Niko Matsakis
3cf0fbeee9 Create distinct types for a PolyTraitRef (with bindings) and a normal TraitRef. 2014-12-19 03:29:30 -05:00
Niko Matsakis
3efc9d2c55 Fix bug in higher-ranked code that would sometimes leak skolemized regions and/or cause incorrect results. 2014-12-19 03:29:29 -05:00
Niko Matsakis
1718cd6ee0 Remove all shadowed lifetimes. 2014-12-15 10:23:48 -05:00
Niko Matsakis
092d04a40a Rename FnStyle trait to Unsafety. 2014-12-14 11:11:55 -05:00
Jorge Aparicio
1195708f64 librustc: use unboxed closures 2014-12-13 17:03:47 -05:00
Niko Matsakis
9f492fefef Switch to using predicates to drive checking. Correct various tests -- 
in most cases, just the error message changed, but in some cases we
are reporting new errors that OUGHT to have been reported before but
we're overlooked (mostly involving the `'static` bound on `Send`).
 2014-12-12 20:25:21 -05:00
Niko Matsakis
9409bd9ff8 Introduce predicates but don't use them. 2014-12-12 20:24:34 -05:00