bors [Thu, 18 May 2017 09:32:28 +0000 (09:32 +0000)]
Auto merge of #42055 - michaelwoerister:reenable-incremental-cc, r=nikomatsakis
Enable cross-crate incremental compilation by default.
Now that direct metadata hashing has been implemented for a while and we haven't seen any problems with it over at [rust-icci](https://travis-ci.org/rust-icci/), let's re-enable cross crate support for incremental compilation again.
bors [Wed, 17 May 2017 21:44:08 +0000 (21:44 +0000)]
Auto merge of #41911 - michaelwoerister:querify_trait_def, r=nikomatsakis
Remove interior mutability from TraitDef by turning fields into queries
This PR gets rid of anything `std::cell` in `TraitDef` by
- moving the global list of trait impls from `TraitDef` into a query,
- moving the list of trait impls relevent for some self-type from `TraitDef` into a query
- moving the specialization graph of trait impls into a query, and
- moving `TraitDef::object_safety` into a query.
I really like how querifying things not only helps with incremental compilation and on-demand, but also just plain makes the code cleaner `:)`
There are also some smaller fixes in the PR. Commits can be reviewed separately.
bors [Wed, 17 May 2017 08:14:55 +0000 (08:14 +0000)]
Auto merge of #41961 - kennytm:fix-35829, r=petrochenkov
Fix #35829 (`quote!()` does not handle `br#"…"#`)
Fix issue #35829 (syntax extension's `quote_expr!()` does not handle `b"…"` and proc_macro's `quote!()` does not handle `r#"…"#`)
* Handles `b"…"`, `br#"…"#` and `...` for `quote_expr!()`.
* Refactored the match statement to allow it to complain loudly on any unhandled token.
* Similarly, proc_macro's `quote!()` did not handle `br#"…"#` or `r#"…"#`, so this PR fixes it too.
bors [Wed, 17 May 2017 04:21:06 +0000 (04:21 +0000)]
Auto merge of #41476 - abonander:book_proc_macro, r=nrc
Document the `proc_macro` feature in the Unstable Book
Discusses the `proc_macro` feature flag and the features it enables:
* Implicit enable of `extern_use_macros` feature and how to import proc macros
* Error handling in proc macros (using panic messages)
* Function-like proc macros using `#[proc_macro]` and a usage example for creating and invoking
* Attribute-like proc macros using `#[proc_macro_attribute]` and a usage example for creating and invoking
Mark Simulacrum [Tue, 16 May 2017 23:31:51 +0000 (17:31 -0600)]
Rollup merge of #42039 - alexcrichton:update-cargo, r=aturon
Update cargo submodule
This pulls in a fix for #41797 to the master branch, I'll send a separate PR for
the beta branch. Note that the Cargo PR in question to pull in is https://github.com/rust-lang/cargo/pull/4046
Mark Simulacrum [Tue, 16 May 2017 23:31:50 +0000 (17:31 -0600)]
Rollup merge of #42017 - nikomatsakis:issue-41677, r=arielb1
avoid cycles in mir-dump, take 2
This fixes #41697, for real this time, but I'm not sure how best to add a regression test. I was considering maybe adding some flag so that the MIR dumping doesn't actually get written to files (e.g., overloading the directory flag so you can specify nil or something).
Mark Simulacrum [Tue, 16 May 2017 23:31:49 +0000 (17:31 -0600)]
Rollup merge of #41937 - nikomatsakis:issue-41936-variance-coerce-unsized-cycle, r=eddyb
use equality in the coerce-unsized check
This seems both to be a safe, conservative choice, and it sidesteps the cycle in #41849. Note that, before I converted variance into proper queries, we were using a hybrid of subtyping and equality, due to the presence of a flag that forced invariance if variance had not yet been computed. (Also, Coerce Unsized is unstable.)
bors [Tue, 16 May 2017 23:27:36 +0000 (23:27 +0000)]
Auto merge of #41907 - est31:macro_unused, r=jseyfried
Add lint for unused macros
Addresses parts of #34938, to add a lint for unused macros.
We now output warnings by default when we encounter a macro that we didn't use for expansion.
Issues to be resolved before this PR is ready for merge:
- [x] fix the NodeId issue described above
- [x] remove all unused macros from rustc and the libraries or set `#[allow(unused_macros)]` next to them if they should be kept for some reason. This is needed for successful boostrap and bors to accept the PR. -> #41934
- [x] ~~implement the full extent of #34938, that means the macro match arm checking as well.~~ *let's not do this for now*
bors [Tue, 16 May 2017 17:18:23 +0000 (17:18 +0000)]
Auto merge of #41853 - Keruspe:install, r=alexcrichton
rustbuild: add support for --bindir and --sysconfdir
This depends on https://github.com/rust-lang/rust-installer/pull/59 and we'll need to udpate the rust-installer submodule once it gets merged for it to work
Mark Simulacrum [Tue, 16 May 2017 14:18:35 +0000 (08:18 -0600)]
Rollup merge of #42011 - rap2hpoutre:patch-5, r=GuillaumeGomez
improve collapse toggle render (css)
The `[-]` toggle for functions in docs _seems_ too big. It's just an impression, but it's something I noticed long time ago (maybe I have bad taste). I never thought to fix it, but, today I think: "Ok, why not suggest it.". Feel free to close without explanation!
Preview changes below:
From this:
<img width="1003" alt="capture d ecran 2017-05-15 a 17 14 45" src="https://cloud.githubusercontent.com/assets/1575946/26064816/5c84de86-3992-11e7-976b-41c625cace0f.png">
To this:
<img width="996" alt="capture d ecran 2017-05-15 a 17 15 02" src="https://cloud.githubusercontent.com/assets/1575946/26064854/78325dac-3992-11e7-88f6-2c43db43421c.png">
Mark Simulacrum [Tue, 16 May 2017 14:18:30 +0000 (08:18 -0600)]
Rollup merge of #41994 - gamazeps:thread-builder, r=GuillaumeGomez
[Doc] Implrove `thread::Builder`'s doc.
Part of #29378 .
- Explains *why* we would use the builder instead ofthe free function.
- Changes the parent-child explanation for a spawned-caller in `thread::Builder::spawn`
- Adds a link to `io::Result` in `thread::Builder`
- Corrects the return type doc in `thread::Builder::spawn`
Mark Simulacrum [Tue, 16 May 2017 14:18:28 +0000 (08:18 -0600)]
Rollup merge of #41489 - estebank:trait-bounds-diagnosstic, r=arielb1
Make unsatisfied trait bounds note multiline
Make diagnostic note for existing method with unsatisfied trait bounds
multiline for cleaner output.
```
= note: the method `count` exists but the following trait bounds were not satisfied:
`[closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53] : std::ops::FnMut<(&_,)>`
`std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>> [closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53]> : std::iter::Iterator`
```
Before:
```
= note: the method `count` exists but the following trait bounds were not satisfied: `[closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53] : std::ops::FnMut<(&_,)>`, `std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>>, [closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53]> : std::iter::Iterator`
```
bors [Tue, 16 May 2017 05:41:11 +0000 (05:41 +0000)]
Auto merge of #41565 - rkruppe:llvm-sys, r=eddyb
Make only rustc_trans depend on rustc_llvm
With these changes, only rustc_trans depends directly on rustc_llvm (and no crate gained a new dependency on trans). This means changing LLVM doesn't rebuild librustc or rustc_metadata, only rustc_trans, rustc_driver and the rustc executable
Also, rustc_driver technically doesn't know about LLVM any more (of course, it still handles a ton of options that conceptually refer to LLVM, but it delegates their implementation to trans).
What I *didn't* implement was merging most or all of rustc_llvm into rustc_trans. I ran into a nasty bug, which was probably just a silly typo somewhere but I probably won't have the time to figure it out in the next week or two. I opened #41699 for that step.
bors [Mon, 15 May 2017 21:55:14 +0000 (21:55 +0000)]
Auto merge of #41843 - cuviper:oxidized-installer, r=alexcrichton
Update to the Rusty rust-installer
This updates the rust-installer submodule to the new version written in Rust (rust-lang/rust-installer#62), now moved to `src/tools/rust-installer` and invoked in `dist.rs` as a cargo-based tool command. All of the former shell-script invocations now invoke the tool, otherwise keeping the same arguments as before.
As a small bonus, `rustc-src` now also uses the same tarball generator, so it gains a smaller `.tar.xz` too.
bors [Mon, 15 May 2017 12:59:31 +0000 (12:59 +0000)]
Auto merge of #41992 - ollie27:linkchecker_base, r=alexcrichton
linkchecker: Add support for <base> tag
Add support for the HTML <base> tag as used by mdBook so The Unstable
Book can be checked.
Also cleanup a few things:
* Stop checking the name attribute. It should never have been used and
mdBook has since been fixed not to use it.
* Make sure we only check html files.
* Remove a few unnecessary allocations.
Finally, dead links in The Unstable Book have been fixed.
Robin Kruppe [Sun, 30 Apr 2017 18:33:25 +0000 (20:33 +0200)]
Remove (direct) rustc_llvm dependency from rustc_driver
This does not actually improve build times, since it still depends
on rustc_trans, but is better layering and fits the multi-backend
future slightly better.
Robin Kruppe [Sun, 30 Apr 2017 18:04:35 +0000 (20:04 +0200)]
Remove rustc_llvm dependency from librustc
Consequently, session creation can no longer initialize LLVM.
The few places that use the compiler without going through
rustc_driver/CompilerCalls thus need to be careful to manually
initialize LLVM (via rustc_trans!) immediately after session
creation.
This means librustc is not rebuilt when LLVM changes.
bors [Mon, 15 May 2017 08:42:10 +0000 (08:42 +0000)]
Auto merge of #41859 - froydnj:align-float-parts, r=sfackler
fix confusion about parts required for float formatting
The documentation for flt2dec doesn't match up with the actual
implementation, so fix the documentation to align with reality.
Presumably due to the mismatch, the formatting code for floats in
std::fmt can use correspondingly shorter arrays in some places, so fix
those places up as well.
Josh Stone [Wed, 10 May 2017 19:20:00 +0000 (12:20 -0700)]
Don't use sanitize_sh with rust-installer
There's no shell interpreting the file paths under the new Rusty
rust-installer, so we don't need to use `sanitize_sh` for it. Plus,
the drive-letter transformation is actually harmful for the now-native
Windows rust-installer to understand those paths.
Make diagnostic note for existing method with unsatisfied trait bounds
multiline for cleaner output.
```
= note: the method `count` exists but the following trait bounds were not satisfied:
`[closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53] : std::ops::FnMut<(&_,)>`
`std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>> [closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53]> : std::iter::Iterator`
Before:
```
= note: the method `count` exists but the following trait bounds were not satisfied: `[closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53] : std::ops::FnMut<(&_,)>`, `std::iter::Filter<std::iter::Fuse<std::iter::Once<&str>>, [closure@../../src/test/compile-fail/issue-36053-2.rs:17:39: 17:53]> : std::iter::Iterator`
```
Robin Kruppe [Wed, 26 Apr 2017 21:22:45 +0000 (23:22 +0200)]
Remove rustc_llvm dependency from rustc_metadata
Move the code for loading metadata from rlibs and dylibs from
rustc_metadata into rustc_trans, and introduce a trait to avoid
introducing a direct dependency on rustc_trans.
This means rustc_metadata is no longer rebuilt when LLVM changes.
Felix Raimundo [Sun, 14 May 2017 17:35:36 +0000 (19:35 +0200)]
Improve `thread::Builder` documentation.
Part of #29378 .
- In particular explains *why* we would use the builder instead of
the free function.
- Changes the parent-child explanation for a spawned-caller.
- Add link to `io::Result` in `thread::Builder`
- Corrects the `thread::Builder::spawn` documentation.
Oliver Middleton [Sun, 14 May 2017 16:57:59 +0000 (17:57 +0100)]
linkchecker: Add support for <base> tag
Add support for the HTML <base> tag as used by mdBook so The Unstable
Book can be checked.
Also cleanup a few things:
* Stop checking the name attribute. It should never have been used and
mdBook has since been fixed not to use it.
* Make sure we only check html files.
* Remove a few unnecessary allocations.
Finally, dead links in The Unstable Book have been fixed.
bors [Sun, 14 May 2017 05:57:38 +0000 (05:57 +0000)]
Auto merge of #41969 - Enet4:update-rls-313, r=Mark-Simulacrum
Update RLS to solve serious crash
As a follow-up to rust-lang-nursery/rls#312, this PR contains the fix to the latest experienced RLS crashes, which should hopefully reach the nightly release as soon as possible.
Mark Simulacrum [Sun, 14 May 2017 02:55:11 +0000 (20:55 -0600)]
Rollup merge of #41946 - qnighy:disallow-dot-underscore-in-float, r=petrochenkov
Disallow ._ in float literal.
This patch makes lexer stop parsing number literals before `._`, as well as before `.a`. Underscore itself is still allowed like in `4_000_000.000_000_`.
Mark Simulacrum [Sun, 14 May 2017 02:55:10 +0000 (20:55 -0600)]
Rollup merge of #41939 - eddyb:trait-assoc-const-default, r=petrochenkov
rustc_resolve: don't deny outer type parameters in embedded constants.
This solves a problem noted at https://github.com/rust-lang/rust/issues/29646#issuecomment-300929548, where an associated const default in a trait couldn't refer to `Self` or type parameters, due to inaccuracies in lexical scoping.
I've also allowed "embedded expressions" (`[T; expr]`, `[x; expr]`, `typeof expr`) to refer to type parameters in scope. *However*, the typesystem still doesn't handle #34344.
Fully resolving that issue requires breaking cycles more aggressively (e.g. lazy evaluation), *even* in when the expression doesn't depend on type parameters, to type-check it at all, and then also type-level "constant projections" (in the vein of `{expr}` from const generics).
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