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77 Commits

Author SHA1 Message Date
John Kåre Alsaker
a70babed03 Use a function to access the Hir map to be able to turn it into a query later 2018-12-06 17:24:36 +01:00
Oliver Scherer
f4115765c5 Intrinsic checks are just needed for qualify_min_const_fn 2018-12-04 10:17:37 +01:00
Oliver Scherer
b77969466c Clear up some code 2018-12-04 10:17:37 +01:00
Oliver Scherer
4497ff3762 Emit feature gate suggestion 2018-12-04 10:17:36 +01:00
Oliver Scherer
e5d90652e2 Comment on the unsafety code for layout constrained fields 2018-12-04 10:17:36 +01:00
Oliver Scherer
55abc0bc90 Also prevent mutation fields directly 2018-12-04 10:17:36 +01:00
Oliver Scherer
1894a5fe2c Also make immutable references to non-freeze restricted value range types unsafe 2018-12-04 10:17:36 +01:00
Oliver Scherer
081c49783f generalize the message about the creation of layout restricted types 2018-12-04 10:17:36 +01:00
Oliver Scherer
8bdb11c4d9 Forbid the creation of mutable borrows to fields of layout constrained types 2018-12-04 10:17:36 +01:00
Oliver Scherer
693c55372e Move ref to packed struct field check into projection arm 2018-12-04 10:17:36 +01:00
Oliver Scherer
02b22323f1 Make sure the initialization of constrained int range newtypes is unsafe 2018-12-04 10:17:36 +01:00
Oliver Scherer
906a49eef2 Document unsafe rules with comments and bug! calls 2018-12-04 10:17:36 +01:00
Oliver Scherer
f2ae7b78d6 Allow calling const unsafe fn in const fn behind a feature gate 2018-12-04 10:17:36 +01:00
Matthew Jasper
b16985a354 Remove mir::StatementKind::EndRegion 
Since lexical MIR borrow check is gone, and validation no longer uses
these, they can be removed.
 2018-11-18 11:05:19 +00:00
Ralf Jung
f27cd60ae1 no more action on ref or cast, but add new MIR statement for escaping a ptr to raw 2018-11-07 16:54:31 +01:00
Ralf Jung
aafcf2c942 Emit Retag statements, kill Validate statements 
Also "rename" -Zmir-emit-validate to -Zmir-emit-retag, which is just a boolean (yes or no).
 2018-10-29 09:05:18 +01:00
David Wood
6208bd8e03
Refactor and add PlaceContext::AscribeUserTy. 
This commit refactors `PlaceContext` to split it into four different
smaller enums based on if the context represents a mutating use,
non-mutating use, maybe-mutating use or a non-use (this is based on the
recommendation from @oli-obk on Zulip[1]).

This commit then introduces a `PlaceContext::AscribeUserTy` variant.
`StatementKind::AscribeUserTy` is now correctly mapped to
`PlaceContext::AscribeUserTy` instead of `PlaceContext::Validate`.
`PlaceContext::AscribeUserTy` can also now be correctly categorized as a
non-use which fixes an issue with constant promotion in statics after a
cast introduces a `AscribeUserTy` statement.

[1]: https://rust-lang.zulipchat.com/#narrow/stream/122657-wg-nll/subject/.2355288.20cast.20fails.20to.20promote.20to.20'static/near/136536949
 2018-10-27 12:11:37 +02:00
Oliver Scherer
3c9258e604 Prefer Default::default over FxHash*::default in struct constructors 2018-10-19 14:34:44 +02:00
Oliver Scherer
ee81739dc1 Deprecate the FxHashMap() and FxHashSet() constructor function hack 2018-10-19 14:34:44 +02:00
Remy Rakic
f5e310530a Refactor 'ReadForMatch' into 'FakeRead' and add the cause of the fake read 2018-09-18 14:36:37 +02:00
Niko Matsakis
dd3cc9669a add the AscribeUserType statement kind 
Make it have the semantics of subtype.
 2018-09-10 08:22:31 -04:00
Oliver Schneider
472ca71598 Implement the min_const_fn feature gate 2018-08-31 08:39:59 +02:00
varkor
e2a1cce9c5 Rename hir::map::NodeKind to hir::Node 2018-08-27 21:46:23 +01:00
varkor
11665ca45a Remove path prefixes from NodeKind 2018-08-27 21:46:13 +01:00
varkor
befc4b1100 Rename hir::map::Node to hir::map::NodeKind 2018-08-27 21:45:46 +01:00
varkor
6f637da50c Remove Ty prefix from Ty{Adt|Array|Slice|RawPtr|Ref|FnDef|FnPtr|Dynamic|Closure|Generator|GeneratorWitness|Never|Tuple|Projection|Anon|Infer|Error} 2018-08-22 16:07:44 +01:00
Donato Sciarra
d3fe97f3d3 mv codemap() source_map() 2018-08-19 23:01:01 +02:00
ljedrz
421b2ba347 Don't format!() string literals 2018-07-28 17:58:52 +02:00
Oliver Schneider
de511438cd Promoteds are statics and statics have a place, not just a value 2018-07-23 09:51:30 +02:00
csmoe
5b0cf56f32 ItemKind 2018-07-16 15:09:17 +02:00
Ralf Jung
f68323b28a fix typo 2018-07-11 12:00:05 +02:00
Ralf Jung
f511c5ea4a improve error message shown for unsafe operations: explain why undefined behavior could arise 
Inspired by @gnzlbg at https://github.com/rust-lang/rust/issues/46043#issuecomment-381544673
 2018-07-10 11:01:44 +02:00
Without Boats
18ff7d091a Parse async fn header. 
This is gated on edition 2018 & the `async_await` feature gate.

The parser will accept `async fn` and `async unsafe fn` as fn
items. Along the same lines as `const fn`, only `async unsafe fn`
is permitted, not `unsafe async fn`.The parser will not accept
`async` functions as trait methods.

To do a little code clean up, four fields of the function type
struct have been merged into the new `FnHeader` struct: constness,
asyncness, unsafety, and ABI.

Also, a small bug in HIR printing is fixed: it previously printed
`const unsafe fn` as `unsafe const fn`, which is grammatically
incorrect.
 2018-06-21 22:29:47 -07:00
Eduard-Mihai Burtescu
5a5c7ded0d rustc: rename ty::maps to ty::query. 2018-06-14 18:05:12 +03:00
Mark Simulacrum
5c374739b6 Specify that packed types must derive, not implement, Copy 2018-06-02 07:24:34 -06:00
Eduard-Mihai Burtescu
06d88cda08 rustc: rename mir::LocalDecl's syntactic_source_info to source_info. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
3da186b67f rustc: use syntactic (instead of visibility) source info where appropriate. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
0895590c53 rustc: rename mir::LocalDecl's source_info to visibility_source_info. 2018-05-30 20:30:10 +03:00
Eduard-Mihai Burtescu
ca1ac6b6fb rustc: rename mir::SourceScopeInfo to mir::SourceScopeLocalData. 2018-05-30 20:30:09 +03:00
Eduard-Mihai Burtescu
85d44c4276 rustc: rename mir::VisibilityScope to mir::SourceScope. 2018-05-30 20:30:09 +03:00
Felix S. Klock II
24abe6f363 rust-lang/rust#27282: Add StatementKind::ReadForMatch to MIR. 
(This is just the data structure changes and some boilerplate match
code that followed from it; the actual emission of these statements
comes in a follow-up commit.)
 2018-05-29 23:01:36 +02:00
varkor
fd8e284a20 Rename param_counts to own_counts 2018-05-15 14:21:32 +01:00
varkor
7b45a892a4 Use GenericParamCount instead of FxHashMap 2018-05-15 14:21:31 +01:00
varkor
b75f421ee9 Generalise more cases of explicit iteration of specific kinds 2018-05-15 14:21:03 +01:00
varkor
e5825c29c3 Prefer iterator to vec 2018-05-15 14:20:19 +01:00
varkor
fe0c119e7d Consolidate ty::Generics 2018-05-15 14:20:19 +01:00
John Kåre Alsaker
4d52751d12 Rename InternedString to LocalInternedString and introduce a new thread-safe InternedString 2018-04-27 03:35:32 +02:00
kennytm
e2b89221f1
Rollup merge of #49194 - Zoxc:unsafe-generator, r=cramertj 
Make resuming generators unsafe instead of the creation of immovable generators

cc @withoutboats

Fixes #47787
 2018-03-25 01:26:34 +08:00
David Wood
17b285d203
Added UserAssertTy statement. 2018-03-22 21:10:59 +00:00
John Kåre Alsaker
57896abc38 Make resuming generators unsafe instead of the creation of immovable generators. Fixes #47787 2018-03-21 00:09:58 +01:00