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2017-03-12Rollup merge of #40369 - petrochenkov:segspan, r=eddybCorey Farwell-18/+29
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
2017-03-12Auto merge of #40340 - petrochenkov:restricted, r=nikomatsakisbors-32/+40
Update syntax for `pub(restricted)` Update the syntax before stabilization. cc https://github.com/rust-lang/rust/issues/32409 r? @nikomatsakis
2017-03-11Temporarily prefix catch block with do keywordTaylor Cramer-13/+6
2017-03-11Add catch expr to AST and disallow catch as a struct nameTaylor Cramer-0/+35
2017-03-10Give spans to individual path segments in ASTVadim Petrochenkov-18/+29
2017-03-10Update syntax for `pub(restricted)`Vadim Petrochenkov-32/+40
2017-03-10Avoid using `Mark` and `Invocation` for macro defs.Jeffrey Seyfried-2/+1
2017-03-10Refactor out `ast::ItemKind::MacroDef`.Jeffrey Seyfried-3/+43
2017-03-04Inline function to avoid naming confusion.Mark Simulacrum-8/+6
2017-03-03Fix fallout in unit tests.Jeffrey Seyfried-29/+29
2017-03-03Fix `token::Eof` spans.Jeffrey Seyfried-2/+6
2017-03-03Integrate `TokenStream`.Jeffrey Seyfried-49/+46
2017-03-03Introduce `syntax::parse::parser::TokenCursor`.Jeffrey Seyfried-47/+127
2017-03-03Remove lifetime parameter from `syntax::tokenstream::Cursor`.Jeffrey Seyfried-1/+1
2017-02-28Add warning cycle.Jeffrey Seyfried-0/+4
2017-02-28Refactor out `parser.expect_delimited_token_tree()`.Jeffrey Seyfried-36/+13
2017-02-28Remove `Token::MatchNt`.Jeffrey Seyfried-3/+0
2017-02-28Add `syntax::ext::tt::quoted::{TokenTree, ..}` and remove ↵Jeffrey Seyfried-155/+16
`tokenstream::TokenTree::Sequence`.
2017-02-28Avoid `Token::{OpenDelim, CloseDelim}`.Jeffrey Seyfried-1/+1
2017-02-28Clean up `ext::tt::transcribe::TtFrame`, rename to `Frame`.Jeffrey Seyfried-2/+2
2017-02-28rustc_save_analysis: don't pollute the codemap with fake files.Eduard Burtescu-8/+38
2017-02-21Add long error explanationsGuillaume Gomez-17/+17
2017-02-20Add error codes for errors in libsyntaxGuillaume Gomez-40/+82
2017-02-10Fix ICE on certain sequence repetitions.Jeffrey Seyfried-5/+14
2017-02-09Fix ICE when parsing token trees after an error.Jeffrey Seyfried-3/+10
2017-02-05Rollup merge of #39453 - nrc:save-path, r=nikomatsakisCorey Farwell-0/+1
save-analysis: be more paranoid about generated paths fixes https://github.com/rust-lang-nursery/rls/issues/160
2017-02-03Bump version, upgrade bootstrapAlex Crichton-4/+0
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.
2017-02-02save-analysis: be more paranoid about generated pathsNick Cameron-0/+1
fixes https://github.com/rust-lang-nursery/rls/issues/160
2017-01-31use suggestions instead of helps with code in themOliver Schneider-4/+23
2017-01-27Rollup merge of #39335 - cramertj:cramertj/can_begin_expr_fix, r=petrochenkovAlex Crichton-1/+23
Fix can_begin_expr keyword behavior Partial fix for #28784.
2017-01-26Fix can_begin_expr keyword behaviorTaylor Cramer-1/+23
2017-01-27Auto merge of #39158 - petrochenkov:bounds, r=nikomatsakisbors-433/+300
Bounds parsing refactoring 2 See https://github.com/rust-lang/rust/pull/37511 for previous discussion. cc @matklad Relaxed parsing rules: - zero bounds after `:` are allowed in all contexts. - zero predicates are allowed after `where`. - trailing separator `,` is allowed after predicates in `where` clauses not followed by `{`. Other parsing rules: - trailing separator `+` is still allowed in all bound lists. Code is also cleaned up and tests added. I haven't touched parsing of trait object types yet, I'll do it later.
2017-01-26Better comments for FIXMEsVadim Petrochenkov-2/+2
2017-01-25Auto merge of #35712 - oli-obk:exclusive_range_patterns, r=nikomatsakisbors-12/+31
exclusive range patterns adds `..` patterns to the language under a feature gate (`exclusive_range_pattern`). This allows turning ``` rust match i { 0...9 => {}, 10...19 => {}, 20...29 => {}, _ => {} } ``` into ``` rust match i { 0..10 => {}, 10..20 => {}, 20..30 => {}, _ => {} } ```
2017-01-24parser: Permit trailing +'s in bound listsVadim Petrochenkov-11/+3
2017-01-24Improve some expected/found error messages from parserVadim Petrochenkov-12/+49
2017-01-24Refactor parsing of generic arguments/parameters and where clausesVadim Petrochenkov-433/+271
2017-01-24Auto merge of #39173 - jseyfried:tokenstream, r=nrcbors-19/+10
Refactor `TokenStream` r? @nrc
2017-01-24Add an option to the parser so cfg'ed out modules can still be parsedNick Cameron-1/+5
2017-01-23Remove `open_span` and `close_span` from `Delimited`.Jeffrey Seyfried-18/+9
2017-01-22Refactor `TokenStream`.Jeffrey Seyfried-1/+1
2017-01-20Rollup merge of #39179 - petrochenkov:objparen, r=eddybAlex Crichton-2/+9
Fix regression in parsing of trait object types Fixes https://github.com/rust-lang/rust/issues/39169 Accepting parens in this position is a regression itself, introduced in Rust 1.6 by https://github.com/rust-lang/rust/pull/29870, so I hope to revert this in my next bounds refactoring patch (possibly with a warning, crater run, etc). r? @eddyb
2017-01-20Rollup merge of #39118 - jseyfried:token_tree_based_parser, r=nrcAlex Crichton-308/+276
Refactor the parser to consume token trees This is groundwork for efficiently parsing attribute proc macro invocations, bang macro invocations, and `TokenStream`-based attributes and fragment matchers. This improves parsing performance by 8-15% and expansion performance by 0-5% on a sampling of the compiler's crates. r? @nrc
2017-01-19Fix regression in parsing of trait object typesVadim Petrochenkov-2/+9
2017-01-19add exclusive range patterns under a feature gateOliver Schneider-12/+31
2017-01-17Fix fallout in `rustdoc`.Jeffrey Seyfried-3/+3
2017-01-17Remove the lookahead buffer.Jeffrey Seyfried-37/+14
2017-01-17Auto merge of #39110 - petrochenkov:sum, r=eddybbors-58/+110
Merge ObjectSum and PolyTraitRef in AST/HIR + some other refactoring `ObjectSum` and `PolyTraitRef` are the same thing (list of bounds), they exist separately only due to parser quirks. The second commit merges them. The first commit replaces `Path` with `Ty` in (not yet supported) equality predicates. They are parsed as types anyway and arbitrary types can always be disguised as paths using aliases, so this doesn't add any new functionality. The third commit uses `Vec` instead of `P<[T]>` in AST. AST is not immutable like HIR and `Vec`s are more convenient for it, unnecessary conversions are also avoided. The last commit renames `parse_ty_sum` (which is used for parsing types in general) into `parse_ty`, and renames `parse_ty` (which is used restricted contexts where `+` is not permitted due to operator priorities or other reasons) into `parse_ty_no_plus`. This is the first part of https://github.com/rust-lang/rust/issues/39085#issuecomment-272743755 and https://github.com/rust-lang/rust/issues/39080 focused on data changes and mechanical renaming, I'll submit a PR with parser changes a bit later. r? @eddyb
2017-01-17Avoid interpolated token trees.Jeffrey Seyfried-20/+6
2017-01-17Refactor the parser to consume token trees.Jeffrey Seyfried-174/+20
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