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7931 commits

Author SHA1 Message Date
Mark Rousskov
686de87d2f
Rollup merge of #55777 - nnethercote:less-P-in-ast, r=petrochenkov 
Use `Lit` rather than `P<Lit>` in `ast::ExprKind`.

Because it results in fewer allocations and small speedups on some
benchmarks.
 2018-11-08 18:15:19 -07:00
Nicholas Nethercote
706c2ad651 Use Lit rather than P<Lit> in ast::ExprKind. 
Because it results in fewer allocations and small speedups on some
benchmarks.
 2018-11-08 19:00:55 +11:00
kennytm
9d9146ad95
Rollup merge of #55734 - teresy:shorthand-fields, r=davidtwco 
refactor: use shorthand fields

refactor: use shorthand for single fields everywhere (excluding tests).
 2018-11-07 21:27:00 +08:00
kennytm
0708a6a717
Rollup merge of #55510 - bitshifter:repr-feature-gate-fix, r=petrochenkov 
Fix feature gate only being checked on first repr attr.

Reported in https://github.com/rust-lang/rust/issues/33158#issuecomment-412185357.
 2018-11-07 18:01:53 +08:00
teresy
eca11b99a7 refactor: use shorthand fields 2018-11-06 15:05:44 -05:00
kennytm
6091696cfd
Rollup merge of #55601 - petrochenkov:featissue, r=pnkfelix 
Fix tracking issue numbers for some unstable features

And also remove deprecated unstable `#[panic_implementation]` attribute that was superseded by stable `#[panic_handler]` and doesn't have an open tracking issue.
 2018-11-06 17:08:08 +08:00
bors
af791bb8f4 Auto merge of #55451 - estebank:arg-doc, r=pnkfelix 
Custom diagnostic when trying to doc comment argument

When writing

```
pub fn f(
    /// Comment
    id: u8,
) {}
```

Produce a targeted diagnostic

```
error: documentation comments cannot be applied to method arguments
  --> $DIR/fn-arg-doc-comment.rs:2:5
   |
LL |     /// Comment
   |     ^^^^^^^^^^^ doc comments are not allowed here
```

Fix #54801.
 2018-11-05 16:36:18 +00:00
bors
794fc062be Auto merge of #55455 - estebank:expected-descr, r=michaelwoerister 
Use token description in "expected/found" parse messages

Fix #54309.
 2018-11-04 06:56:11 +00:00
bors
6d69fe7a2f Auto merge of #54861 - rep-nop:find_main_in_doctest, r=estebank 
rustdoc: Replaces fn main search and extern crate search with proper parsing during doctests.

Fixes #21299.
Fixes #33731.

Let me know if there's any additional changes you'd like made!
 2018-11-04 01:43:40 +00:00
Alexander Regueiro
4bdc3d833a Extended elaboration for trait aliases to include arbitrary bounds. 2018-11-03 04:09:34 +00:00
Alexander Regueiro
90041d638b Added support for trait aliases as object types. 2018-11-03 04:09:34 +00:00
Alexander Regueiro
34792d9f6a Added support for trait aliases as bounds. 2018-11-03 04:09:33 +00:00
QuietMisdreavus
014c8c4c38 implement existing parser fns in terms of fallible fns 2018-11-02 17:07:28 -05:00
Vadim Petrochenkov
29d2ceae7c Remove deprecated unstable #[panic_implementation] 
It was superseded by `#[panic_handler]`
 2018-11-02 02:22:30 +03:00
Vadim Petrochenkov
89cf577c73 Fix tracking issue numbers for some unstable features 2018-11-02 02:21:55 +03:00
QuietMisdreavus
0fe6aae49a buffer errors from initial tokenization when parsing 2018-11-01 11:57:29 -05:00
Pietro Albini
15958ca9ff
Rollup merge of #55558 - nnethercote:tweak-MatcherPos-matches, r=petrochenkov 
Tweak `MatcherPos::matches`

These changes reduce instruction counts on `sentry-cli-check` incremental builds by up to 2%.
 2018-11-01 22:52:17 +08:00
Pietro Albini
133ba2d063
Rollup merge of #55542 - ljedrz:syntax_alloc_improvements, r=kennytm 
syntax: improve a few allocations

Add 2 `reserve`s and a `with_capacity` where the final vector size is known.
 2018-11-01 22:52:15 +08:00
Nicholas Nethercote
0d2abe46ca Use SmallVec for the inner vectors in MatcherPos::matches. 
This avoids some allocations.
 2018-11-01 08:45:26 +11:00
Nicholas Nethercote
c60ed5d22c Share empty Vecs more within MatcherPos::matches. 
`create_matches` creates a `Vec<Rc<Vec<NamedMatch>>>`. Even though all the
inner `Vec`s are empty, each one is created separately.

This commit changes `create_matches` so it instead creates one empty inner
`Vec`, and shares it.

The commit also changes `MatcherPos::matches` to a boxed slice, because its
length doesn't change.
 2018-11-01 08:43:40 +11:00
ljedrz
f4c03fd847 syntax: improve a few allocations 2018-10-31 16:58:51 +01:00
Matthias Krüger
f6b8876d45 use String::from() instead of format!() macro to construct Strings. 2018-10-31 00:10:10 +01:00
Cameron Hart
d22ae75c9d Fix feature gate only being checked on first repr attr. 2018-10-31 03:28:06 +11:00
David Lavati
6c9f6a1afd Rename other occs of (Code/File)Map to Source(Map/File) #51574 2018-10-29 21:26:13 +01:00
Esteban Küber
54858d5a67 Fix regression 2018-10-29 09:39:58 -07:00
Pietro Albini
97ff2d6ab1
Rollup merge of #55384 - nnethercote:better-integer_lit-float_lit, r=michaelwoerister 
Avoid unnecessary allocations in `float_lit` and `integer_lit`.

This commit avoids an allocation when parsing any float and integer
literals that don't involved underscores.

This reduces the number of allocations done for the `tuple-stress`
benchmark by 10%, reducing its instruction count by just under 1%.
 2018-10-29 09:47:45 +01:00
Esteban Küber
3e22e0c3bc Use token description in "expected/found" parse messages 2018-10-28 16:05:50 -07:00
Esteban Küber
adb96ec64b Provide specific label for patern parsing error 2018-10-28 14:38:00 -07:00
Esteban Küber
d491734b15 Point at match when a parse failure ocurrs inside of it 2018-10-28 11:41:23 -07:00
Esteban Küber
ea57134607 Produce targeted diagnostic when using doc comments on fn args 
Before parsing argument names and types, try to consume an incorrectly
included doc comment or attribute in order to recover and continue
parsing the rest of the fn definition.
 2018-10-28 11:38:50 -07:00
bors
4f5cfa611d Auto merge of #55192 - cramertj:nested-mod, r=petrochenkov 
Fix ordering of nested modules in non-mod.rs mods

Flatten relative offset into directory path before adding inline
(mod x { ... }) module names to the current directory path.

Fix #55094
 2018-10-28 13:13:55 +00:00
Zack M. Davis
dc0609c247 feature-gate lint reasons 
We take stability seriously, so we shy away from making even seemingly
"trivial" features insta-stable.
 2018-10-27 12:31:20 -07:00
bors
fa45602b71 Auto merge of #54929 - csmoe:cfg_lint, r=petrochenkov 
Suggest to remove prefix `b` in cfg attribute lint string

Closes #54926
r? @estebank
 2018-10-26 21:46:13 +00:00
kennytm
626b49666f
Rollup merge of #55358 - sinkuu:redundant_clone2, r=estebank 
Remove redundant clone (2)
 2018-10-26 23:06:49 +08:00
kennytm
e897fe711e
Rollup merge of #55301 - estebank:macro-allowed, r=petrochenkov 
List allowed tokens after macro fragments

Fix #34069.
 2018-10-26 23:06:33 +08:00
kennytm
eb74711b54
Rollup merge of #55298 - estebank:macro-def, r=pnkfelix 
Point at macro definition when no rules expect token

Fix #35150.
 2018-10-26 23:06:30 +08:00
kennytm
c6cd57dd86
Rollup merge of #55292 - estebank:macro-eof, r=pnkfelix 
Macro diagnostics tweaks

Fix #30128, fix #10951 by adding an appropriate span to the diagnostic.
Fix #26288 by suggesting adding semicolon to macro call.
 2018-10-26 23:06:28 +08:00
Nicholas Nethercote
eb637d26ba Avoid unnecessary allocations in float_lit and integer_lit. 
This commit avoids an allocation when parsing any float and integer
literals that don't involved underscores.

This reduces the number of allocations done for the `tuple-stress`
benchmark by 10%, reducing its instruction count by just under 1%.
 2018-10-26 22:08:39 +11:00
Shotaro Yamada
3878d24ef6 Remove redundant clone 2018-10-26 12:07:39 +09:00
Nick Cameron
6dd5bb18d7 more reviewer changes 2018-10-26 09:50:51 +13:00
Nick Cameron
59cb1705d7 rebasing and reviewer changes 
Primarily refactoring `(Ident, Option<NodeId>)` to `Segment`
 2018-10-26 09:50:51 +13:00
Nick Cameron
b49da276b3 Store a resolved def on hir::PathSegment 2018-10-26 09:48:44 +13:00
Nick Cameron
fc67d8fac4 Give each PathSegment a NodeId 2018-10-26 09:48:44 +13:00
Esteban Küber
2cfd790177 List allowed tokens after macro fragments 2018-10-25 11:08:58 -07:00
Pietro Albini
555df0f44f
Rollup merge of #55282 - sinkuu:redundant_clone, r=estebank 
Remove redundant clone
 2018-10-25 14:31:14 +02:00
Pietro Albini
4f14bfdc73
Rollup merge of #55269 - matthiaskrgr:typos_oct, r=zackmdavis 
fix typos in various places
 2018-10-25 14:31:13 +02:00
Pietro Albini
f81e47f85e
Rollup merge of #54977 - estebank:macro-arg-parse, r=pnkfelix 
Accept `Option<Box<$t:ty>>` in macro argument

Given the following code, compile successfuly:

```
macro_rules! test {
    (
        fn fun() -> Option<Box<$t:ty>>;
    ) => {
        fn fun(x: $t) -> Option<Box<$t>>
        { Some(Box::new(x)) }
    }
}

test! {
    fn fun() -> Option<Box<i32>>;
}
```

Fix #25274.
 2018-10-25 14:31:00 +02:00
Esteban Küber
f8818cbf8f Fix incorrect semicolon suggestion 2018-10-24 12:52:24 -07:00
Esteban Küber
1ab45ec7e3 Point to macro def span instead of whole body 2018-10-24 11:34:23 -07:00
Esteban Küber
8227a938a4 Point at macro definition when no rules expect token 2018-10-23 21:44:46 -07:00