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2018-12-10Remove `tokenstream::Delimited`.Nicholas Nethercote-79/+78
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-14/+14
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.
2018-12-06Rollup merge of #56500 - ljedrz:cleanup_rest_of_const_lifetimes, r=zackmdavisPietro Albini-3/+3
cleanup: remove static lifetimes from consts A follow-up to https://github.com/rust-lang/rust/pull/56497.
2018-12-06Rollup merge of #56426 - petrochenkov:syntweak, r=nikomatsakisPietro Albini-5/+5
libsyntax_pos: A few tweaks
2018-12-06Auto merge of #54517 - mcr431:53956-panic-on-include_bytes-of-own-file, ↵bors-10/+15
r=michaelwoerister 53956 panic on include bytes of own file fix #53956 When using `include_bytes!` on a source file in the project, compiler would panic on subsequent compilations because `expand_include_bytes` would overwrite files in the source_map with no source. This PR changes `expand_include_bytes` to check source_map and use the already existing src, if any.
2018-12-05Auto merge of #55466 - sinkuu:cleanup, r=petrochenkovbors-47/+32
syntax: Use iterator and pattern APIs instead of `char_at` Iterating over chars with the `char_at(str, i)` `i += ch.len_utf8()` loop seems unidiomatic.
2018-12-05Fix pretty testShotaro Yamada-1/+1
2018-12-04adds DocTest filename variant, refactors doctest_offset out of source_map, ↵Matthew Russo-5/+7
fixes remaining test failures
2018-12-04updates all Filename variants to take a fingerprintMatthew Russo-5/+8
2018-12-04cleanup: remove static lifetimes from constsljedrz-3/+3
2018-12-04Use iterator and pattern APIs instead of `char_at`Shotaro Yamada-47/+32
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 #56438 - yui-knk:remove_not_used_DotEq_token, r=petrochenkovkennytm-4/+1
Remove not used `DotEq` token Currently libproc_macro does not use `DotEq` token. https://github.com/rust-lang/rust/pull/49545 changed libproc_macro to not generate `DotEq` token.
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!
2018-12-02Remove not used `DotEq` tokenyui-knk-4/+1
Currently libproc_macro does not use `DotEq` token. https://github.com/rust-lang/rust/pull/49545 changed libproc_macro to not generate `DotEq` token.
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 #56255 - jasonl:update-old-documents, r=michaelwoeristerGuillaume Gomez-3/+2
Update outdated code comments in StringReader For the detection of newlines in the lexer, this is now done in `analyze_source_file.rs`.
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
2018-11-26Update outdated code comments in StringReaderJason Langenauer-3/+2
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
2018-11-19Auto merge of #55971 - SergioBenitez:skip-non-semantic, r=alexcrichtonbors-2/+3
Ignore non-semantic tokens for 'probably_eq' streams. Improves the situation in #43081 by skipping typically non-semantic tokens when checking for 'probably_eq'. r? @alexcrichton
2018-11-16Ignore non-semantic tokens for 'probably_eq' streams.Sergio Benitez-2/+3
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-15/+1
2018-11-12Change `Lit::short_name` to `Lit::literal_name`.Nicholas Nethercote-8/+8
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.
2018-11-08Use `Lit` rather than `P<Lit>` in `ast::ExprKind`.Nicholas Nethercote-1/+1
Because it results in fewer allocations and small speedups on some benchmarks.
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