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Author SHA1 Message Date
Esteban Küber
dedb7bbbbf Merge branch 'master' into issue-32540 2017-04-04 08:13:27 -07:00
bors
474f7a91ee Auto merge of #40620 - laumann:slash-in-diagnostics-path, r=BurntSushi 
Replace hardcoded forward slash with path::MAIN_SEPARATOR

Fixes #40149
 2017-03-31 03:22:39 +00:00
Niko Matsakis
56847af916 port the match code to use CoerceMany 
`match { }` now (correctly?) indicates divergence, which results in more
unreachable warnings. We also avoid fallback to `!` if there is just one
arm (see new test: `match-unresolved-one-arm.rs`).
 2017-03-30 07:55:29 -04:00
Thomas Jespersen
b376386228 Replace hardcoded forward slash with path::MAIN_SEPARATOR 
Fixes #40149
 2017-03-30 13:51:16 +02:00
Jeffrey Seyfried
8fde04b4a2 Improve Path spans. 2017-03-30 05:44:56 +00:00
Jeffrey Seyfried
f08d5ad4c5 Refactor how spans are combined in the parser. 2017-03-29 11:17:59 +00:00
Jeffrey Seyfried
ec7c0aece1 Merge ExpnId and SyntaxContext. 2017-03-29 00:41:10 +00:00
Esteban Küber
b477682dca Fix unittests 2017-03-27 19:13:03 -07:00
Oliver Schneider
eb447f4ef4
Fix various useless derefs and slicings 2017-03-27 08:58:00 +02:00
Esteban Küber
78ae8feebb Improve wording and spans for unexpected token 
* Point at where the token was expected instead of the last token
  successfuly parsed.
* Only show `unexpected token` if the next char and the unexpected token
  don't have the same span.
* Change some cfail and pfail tests to ui test.
* Don't show all possible tokens in span label if they are more than 6.
 2017-03-25 15:36:59 -07:00
Esteban Küber
03eca71381 Point at last valid token on failed expect_one_of 
```rust
error: expected one of `.`, `;`, `?`, `}`, or an operator, found `)`
  --> $DIR/token-error-correct-3.rs:29:9
   |
25 |         foo()
   |             - expected one of `.`, `;`, `?`, `}`, or an operator after this
...
29 |     } else {
   |     ^ unexpected token
```
 2017-03-24 23:37:25 -07:00
Esteban Küber
769b95dc9f Add diagnostic for incorrect pub (restriction) 
Given the following statement

```rust
pub (a) fn afn() {}
```

Provide the following diagnostic:

```rust
error: incorrect restriction in `pub`
  --> file.rs:15:1
   |
15 | pub (a) fn afn() {}
   | ^^^^^^^
   |
   = help: some valid visibility restrictions are:
           `pub(crate)`: visible only on the current crate
           `pub(super)`: visible only in the current module's parent
           `pub(in path::to::module)`: visible only on the specified path
help: to make this visible only to module `a`, add `in` before the path:
   | pub (in a) fn afn() {}
```

Remove cruft from old `pub(path)` syntax.
 2017-03-22 22:51:45 -07:00
Vadim Petrochenkov
b5e889791a Refactor parsing of trait object types 2017-03-21 23:01:53 +03:00
Corey Farwell
f2290dab9a Rollup merge of #40589 - topecongiro:floating-point-literal, r=nagisa 
Parse 0e+10 as a valid floating-point literal

Fixes issue #40408.
 2017-03-19 10:18:18 -04:00
bors
9c15de4fd5 Auto merge of #40346 - jseyfried:path_and_tokenstream_attr, r=nrc 
`TokenStream`-based attributes, paths in attribute and derive macro invocations

This PR
 - refactors `Attribute` to use  `Path` and `TokenStream` instead of `MetaItem`.
 - supports macro invocation paths for attribute procedural macros.
   - e.g. `#[::foo::attr_macro] struct S;`, `#[cfg_attr(all(), foo::attr_macro)] struct S;`
 - supports macro invocation paths for derive procedural macros.
   - e.g. `#[derive(foo::Bar, super::Baz)] struct S;`
 - supports arbitrary tokens as arguments to attribute procedural macros.
   - e.g. `#[foo::attr_macro arbitrary + tokens] struct S;`
 - supports using arbitrary tokens in "inert attributes" with derive procedural macros.
   - e.g. `#[derive(Foo)] struct S(#[inert arbitrary + tokens] i32);`
where `#[proc_macro_derive(Foo, attributes(inert))]`

r? @nrc
 2017-03-19 10:56:08 +00:00
topecongiro
8eaac0843e Parse 0e+10 as a valid floating-point literal 
Fixes issue #40408.
 2017-03-18 21:16:16 +09:00
Esteban Küber
e3b8550a60 Point out correct turbofish usage on Foo<Bar<Baz>> 
Whenever we parse a chain of binary operations, as long as the first
operation is `<` and the subsequent operations are either `>` or `<`,
present the following diagnostic help:

    use `::<...>` instead of `<...>` if you meant to specify type arguments

This will lead to spurious recommendations on situations like
`2 < 3 < 4` but should be clear from context that the help doesn't apply
in that case.
 2017-03-14 12:09:21 -07:00
bors
6f10e2f63d Auto merge of #39921 - cramertj:add-catch-to-ast, r=nikomatsakis 
Add catch {} to AST

Part of #39849. Builds on #39864.
 2017-03-14 10:40:09 +00:00
Jeffrey Seyfried
839c2860cc Liberalize attributes. 2017-03-14 04:39:21 +00:00
Jeffrey Seyfried
68c1cc68b4 Refactor Attribute to use Path and TokenStream instead of MetaItem. 2017-03-14 04:03:43 +00:00
Jeffrey Seyfried
460bf55f8a Cleanup. 2017-03-14 03:35:16 +00:00
Corey Farwell
8d1c5700f0 Rollup merge of #40369 - petrochenkov:segspan, r=eddyb 
Give spans to individual path segments in AST

And use these spans in path resolution diagnostics.

The spans are spans of identifiers in segments, not whole segments. I'm not sure what spans are more useful in general, but identifier spans are a better fit for resolve errors.

HIR still doesn't have spans.

Fixes https://github.com/rust-lang/rust/pull/38927#discussion_r95336667 https://github.com/rust-lang/rust/pull/38890#issuecomment-271731008

r? @nrc @eddyb
 2017-03-12 12:48:46 -04:00
bors
f88b24b34c Auto merge of #40340 - petrochenkov:restricted, r=nikomatsakis 
Update syntax for `pub(restricted)`

Update the syntax before stabilization.

cc https://github.com/rust-lang/rust/issues/32409
r? @nikomatsakis
 2017-03-12 11:08:44 +00:00
Taylor Cramer
ea4e8b0a81 Temporarily prefix catch block with do keyword 2017-03-11 22:26:57 -08:00
Taylor Cramer
d95c543722 Add catch expr to AST and disallow catch as a struct name 2017-03-11 22:26:52 -08:00
Vadim Petrochenkov
32575a0487 Give spans to individual path segments in AST 2017-03-10 08:21:45 -08:00
Vadim Petrochenkov
880262a2bc Update syntax for pub(restricted) 2017-03-10 08:19:20 -08:00
Jeffrey Seyfried
8c98996934 Avoid using Mark and Invocation for macro defs. 2017-03-10 08:08:32 -08:00
Jeffrey Seyfried
212b6c2550 Refactor out ast::ItemKind::MacroDef. 2017-03-10 08:08:32 -08:00
Mark Simulacrum
69899b7f27 Inline function to avoid naming confusion. 2017-03-04 18:02:04 -07:00
Jeffrey Seyfried
0d554139ad Fix fallout in unit tests. 2017-03-03 02:15:39 +00:00
Jeffrey Seyfried
a02c18aa52 Fix token::Eof spans. 2017-03-03 02:15:39 +00:00
Jeffrey Seyfried
f6eaaf350e Integrate TokenStream. 2017-03-03 02:15:37 +00:00
Jeffrey Seyfried
8cd0c0885f Introduce syntax::parse::parser::TokenCursor. 2017-03-03 02:05:57 +00:00
Jeffrey Seyfried
0143774cb5 Remove lifetime parameter from syntax::tokenstream::Cursor. 2017-03-03 01:52:48 +00:00
Jeffrey Seyfried
61a9a14d29 Add warning cycle. 2017-02-28 22:15:12 +00:00
Jeffrey Seyfried
7f822c800d Refactor out parser.expect_delimited_token_tree(). 2017-02-28 22:15:11 +00:00
Jeffrey Seyfried
0cc7053efa Remove Token::MatchNt. 2017-02-28 22:15:09 +00:00
Jeffrey Seyfried
d8b34e9a74 Add syntax::ext::tt::quoted::{TokenTree, ..} and remove tokenstream::TokenTree::Sequence. 2017-02-28 22:14:29 +00:00
Jeffrey Seyfried
2471888033 Avoid Token::{OpenDelim, CloseDelim}. 2017-02-28 22:13:39 +00:00
Jeffrey Seyfried
abdc68973e Clean up ext::tt::transcribe::TtFrame, rename to Frame. 2017-02-28 22:13:37 +00:00
Eduard Burtescu
f702b20dfd rustc_save_analysis: don't pollute the codemap with fake files. 2017-02-28 08:30:07 +02:00
Guillaume Gomez
b6818be41d Add long error explanations 2017-02-21 15:52:14 +01:00
Guillaume Gomez
ea2a684099 Add error codes for errors in libsyntax 2017-02-20 17:47:44 +01:00
Jeffrey Seyfried
b3d73995da Fix ICE on certain sequence repetitions. 2017-02-10 23:58:18 +00:00
Jeffrey Seyfried
66bd8eede5 Fix ICE when parsing token trees after an error. 2017-02-09 03:01:54 +00:00
Corey Farwell
ece9240824 Rollup merge of #39453 - nrc:save-path, r=nikomatsakis 
save-analysis: be more paranoid about generated paths

fixes https://github.com/rust-lang-nursery/rls/issues/160
 2017-02-05 09:14:49 -05:00
Alex Crichton
626e754473 Bump version, upgrade bootstrap 
This commit updates the version number to 1.17.0 as we're not on that version of
the nightly compiler, and at the same time this updates src/stage0.txt to
bootstrap from freshly minted beta compiler and beta Cargo.
 2017-02-03 13:25:46 -08:00
Nick Cameron
395f23c9f7 save-analysis: be more paranoid about generated paths 
fixes https://github.com/rust-lang-nursery/rls/issues/160
 2017-02-02 16:23:27 +13:00
Oliver Schneider
d73e84d2e7 use suggestions instead of helps with code in them 2017-01-31 14:45:08 +01:00