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2019-01-11stabilize top level or-pats in if/while let.Mazdak Farrokhzad-2/+3
2019-01-02Auto merge of #57251 - petrochenkov:reregr, r=varkorbors-1/+2
syntax: Fix regression in diagnostics for patterns in trait method parameters Fixes https://github.com/rust-lang/rust/issues/55036
2019-01-01syntax: Fix regression in diagnostics for patterns in trait method parametersVadim Petrochenkov-1/+2
2018-12-31Address review commentsEsteban Küber-12/+13
- Suggest raw ident escaping in all editions - Keep primary label in all cases
2018-12-31Suggest using raw identifiers in 2018 edition when using keywordsEsteban Küber-1/+12
2018-12-27Address review comments and CI failuresVadim Petrochenkov-0/+1
2018-12-27Fix `trace_macros` and `log_syntax`Vadim Petrochenkov-1/+1
2018-12-27Get rid of `Block::recovered`Vadim Petrochenkov-6/+6
2018-12-25Remove licensesMark Rousskov-10/+0
2018-12-19Rollup merge of #56820 - ljedrz:format_tweaks, r=alexcrichtonPietro Albini-0/+3
format-related tweaks - remove an unreachable condition - inline one-liners related to `parse_expr` (called in succession) - refactor `report_invalid_references` - refactor `verify_arg_type` - minor stylistic improvements
2018-12-17Auto merge of #56737 - nnethercote:TokenStream-improvements, r=petrochenkovbors-2/+2
`TokenStream` improvements Some `TokenStream` improvements: shrinking `TokenStream` and some other types, and some other code clean-ups.
2018-12-15Auto merge of #56584 - davidtwco:issue-53990, r=nikomatsakisbors-4/+15
2018 edition - confusing error message when declaring unnamed parameters Fixes #53990. This PR adds a note providing context for the change to argument names being required in the 2018 edition for trait methods and a suggestion for the fix.
2018-12-14format: inline one-liners related to parse_exprljedrz-0/+3
2018-12-12Rename `TokenStream::concat` and remove `TokenStream::concat_rc_vec`.Nicholas Nethercote-2/+2
`TokenStream::new` is a better name for the former, and the latter is now just equivalent to `TokenStream::Stream`.
2018-12-10Remove `tokenstream::Delimited`.Nicholas Nethercote-38/+42
Because it's an extra type layer that doesn't really help; in a couple of places it actively gets in the way, and overall removing it makes the code nicer. It does, however, move `tokenstream::TokenTree` further away from the `TokenTree` in `quote.rs`. More importantly, this change reduces the size of `TokenStream` from 48 bytes to 40 bytes on x86-64, which is enough to slightly reduce instruction counts on numerous benchmarks, the best by 1.5%. Note that `open_tt` and `close_tt` have gone from being methods on `Delimited` to associated methods of `TokenTree`.
2018-12-08Rollup merge of #56248 - estebank:suggest-bare-pub, r=petrochenkovMazdak Farrokhzad-20/+48
Suggest an appropriate token when encountering `pub Ident<'a>` Fix #55403. Follow up to #45997.
2018-12-07Various minor/cosmetic improvements to codeAlexander Regueiro-12/+12
2018-12-07Add suggestion for underscore binding fix.David Wood-0/+9
This commit emits a suggestion for adding an underscore binding to arguments in trait methods that previously did not have a argument name specified.
2018-12-07Add context for RFC 1685 change in 2018 edition.David Wood-4/+6
This commit adds a note providing context for the change to argument names being required in the 2018 edition for trait methods.
2018-12-06Auto merge of #56392 - petrochenkov:regensym, r=oli-obkbors-14/+13
Delay gensym creation for "underscore items" (`use foo as _`/`const _`) until name resolution So they cannot be cloned by macros. See https://github.com/rust-lang/rust/pull/56303 for the discussion. Mostly fix cross-crate use of underscore items by inverting the "gensyms are lost in metadata" bug as described in https://github.com/rust-lang/rust/pull/56303#issuecomment-442464695. Fix unused import warnings for single-segment imports (first commit) and `use crate_name as _` imports (as specified in https://github.com/rust-lang/rust/pull/56303#issuecomment-442274118). Prohibit accidentally implemented `static _: TYPE = EXPR;` (cc https://github.com/rust-lang/rust/pull/55983). Add more tests for `use foo as _` imports.
2018-12-04Address review commentsVadim Petrochenkov-2/+2
2018-12-04syntax: Rename some keywordsVadim Petrochenkov-3/+3
`CrateRoot` -> `PathRoot`, `::` doesn't necessarily mean crate root now `SelfValue` -> `SelfLower`, `SelfType` -> `SelfUpper`, both `self` and `Self` can be used in type and value namespaces now
2018-12-03Rollup merge of #56433 - yui-knk:update_comment_of_parse_visibility, ↵kennytm-3/+4
r=petrochenkov Add description about `crate` for parse_visibility's comment This rule was introduced by https://github.com/rust-lang/rust/pull/45401.
2018-12-03Rollup merge of #56419 - mark-i-m:remove-try, r=Centrilkennytm-4/+2
Remove some uses of try!
2018-12-02Delay gensym creation for "underscore items" until name resolutionVadim Petrochenkov-14/+13
Prohibit `static _` Fis unused import warnings for `use foo as _` Add more tests for `use foo as _`
2018-12-02Fix "line longer than 100 chars"yui-knk-3/+4
2018-12-02Add description about `crate` for parse_visibility's commentyui-knk-1/+1
This rule was introduced by https://github.com/rust-lang/rust/pull/45401.
2018-12-01remove some uses of try!Mark Mansi-4/+2
2018-12-01resolve: Support aliasing local crate root in extern preludeVadim Petrochenkov-1/+5
2018-11-30Use appropriate terminology based on heuristicEsteban Küber-13/+24
2018-11-30Suggest an appropriate token when encountering `pub Ident<'a>`Esteban Küber-11/+28
2018-12-01Rollup merge of #56336 - nnethercote:clean-up-pp, r=nikomatsakiskennytm-1/+1
Clean up and streamline the pretty-printer Some minor improvements.
2018-11-29Rollup merge of #56330 - estebank:cleanup-span, r=zackmdavisGuillaume Gomez-2/+2
Clean up span in non-trailing `..` suggestion
2018-11-29Rollup merge of #56220 - estebank:suggest-lifetime-move, r=nikomatsakisGuillaume Gomez-8/+45
Suggest appropriate place for lifetime when declared after type arguments
2018-11-29Use `Cow` in `Token::String`.Nicholas Nethercote-1/+1
`Printer::word` takes a `&str` and converts it into a `String`, which causes an allocation. But that allocation is rarely necessary, because `&str` is almost always a `&'static str` or a `String` that won't be used again. This commit changes `Token::String` so it holds a `Cow<'static, str>` instead of a `String`, which avoids a lot of allocations.
2018-11-28Clean up span in non-trailing `..` suggestionEsteban Küber-2/+2
2018-11-26Specify suggestion applicabilityEsteban Küber-1/+2
2018-11-27resolve: Implement edition hygiene for imports and absolute pathsVadim Petrochenkov-16/+13
Use per-span hygiene in a few other places in resolve Prefer `rust_2015`/`rust_2018` helpers to comparing editions
2018-11-26Emit one diagnostic for multiple misplaced lifetimesEsteban Küber-12/+19
2018-11-25Move lifetimes before the *first* type argumentEsteban Küber-1/+3
2018-11-25Suggest appropriate place for lifetime when declared after type argumentsEsteban Küber-8/+35
2018-11-22Rollup merge of #56002 - Axary:master, r=estebankGuillaume Gomez-2/+13
fix #55972: Erroneous self arguments on bare functions emit subpar compilation error #55972 r? @estebank
2018-11-20improve error noteAxary-1/+1
2018-11-16fix tidy (remove whitespace)Axary-1/+1
2018-11-16improve error when self is used as not the first argumentAxary-8/+9
2018-11-16add a note to the error messageAxary-1/+4
2018-11-16eat CloseDelimAxary-2/+9
2018-11-14Clean up some non-mod-rs stuff.Eric Huss-10/+1
2018-11-12Change `Lit::short_name` to `Lit::literal_name`.Nicholas Nethercote-1/+1
This avoids a moderately hot allocation in `parse_lit_token`.
2018-11-08Rollup merge of #55777 - nnethercote:less-P-in-ast, r=petrochenkovMark Rousskov-1/+1
Use `Lit` rather than `P<Lit>` in `ast::ExprKind`. Because it results in fewer allocations and small speedups on some benchmarks.
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