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2019-10-30Reduce ammount of errors given unclosed delimiterEsteban Küber-2/+9
When in a file with a non-terminated item, catch the error and consume the block instead of trying to recover it more granularly in order to reduce the amount of unrelated errors that would be fixed after adding the missing closing brace. Also point out the possible location of the missing closing brace.
2019-10-25move Attribute::with_desugared_doc to librustdocMazdak Farrokhzad-2/+3
2019-10-18Rollup merge of #65364 - XiangQingW:master, r=estebankTyler Mandry-2/+19
Collect occurrences of empty blocks for mismatched braces diagnostic Fix #63904
2019-10-15Collect occurrences of for mismatched braces diagnosticwangxiangqing-1/+1
Change-Id: I20ba0b62308370ee961141fa1aefc4b9c9f0cb3a
2019-10-15syntax::parse::sess -> syntax::sessMazdak Farrokhzad-1/+1
2019-10-13Collect occurrences of for mismatched braces diagnosticwangxiangqing-1/+4
Change-Id: I20ba0b62308370ee961141fa1aefc4b9c9f0cb3a
2019-10-13Collect occurrences of for mismatched braces diagnosticwangxiangqing-2/+16
Change-Id: I20ba0b62308370ee961141fa1aefc4b9c9f0cb3a
2019-09-30Added backticks for one diagnostic message.Alexander Regueiro-1/+1
2019-09-17Replace DiagnosticBuilder with Diagnostic when emitting errorMark Rousskov-0/+1
2019-09-07Apply suggestions from code reviewAlexander Regueiro-1/+1
2019-09-07Aggregation of cosmetic changes made during work on REPL PRs: libsyntaxAlexander Regueiro-8/+9
2019-08-21fix rebaseEsteban Küber-1/+1
2019-08-21FormattingEsteban Küber-24/+45
2019-08-21Add terminal_width debugging flagEsteban Küber-1/+8
2019-08-19glue tokens when building token streamAleksey Kladov-8/+32
2019-08-19remove composite tokens support from the lexerAleksey Kladov-37/+20
2019-08-18Auto merge of #62948 - matklad:failable-file-loading, r=petrochenkovbors-66/+15
Normalize newlines when loading files Fixes #62865
2019-08-15syntax_pos: Remove the duplicate global editionVadim Petrochenkov-28/+4
It was introduced to avoid going through `hygiene_data`, but now it's read only once, when `ParseSess` is created, so going through a lock is ok.
2019-08-15syntax_pos: `NO_EXPANSION`/`SyntaxContext::empty()` -> `SyntaxContext::root()`Vadim Petrochenkov-9/+8
For consistency with `ExpnId::root`. Also introduce a helper `Span::with_root_ctxt` for creating spans with `SyntaxContext::root()` context
2019-08-14remove special handling of \r\n from the lexerAleksey Kladov-66/+15
2019-08-05add unknown tokenAleksey Kladov-2/+2
2019-08-05remove special code path for unknown tokensAleksey Kladov-60/+13
2019-08-02libsyntax: Unconfigure tests during normal buildVadim Petrochenkov-310/+308
2019-07-31cleanup StringReader fieldsAleksey Kladov-12/+11
2019-07-27syntax_ext: `proc_macro_decls` -> `proc_macro_harness`Vadim Petrochenkov-1/+2
Few other minor renamings for consistency. Remove one unused dependency from `rustc_passes`. Fix libsyntax tests. Fix rebase.
2019-07-25review comments: add FIXME comments and formattingEsteban Küber-8/+21
2019-07-24Allow lexer to recover from some homoglyphsEsteban Küber-33/+37
2019-07-23Rollup merge of #62851 - matklad:unescape, r=petrochenkovMark Rousskov-1/+1
move unescape module to rustc_lexer It makes sense to keep the definition of escape sequences closer to the lexer itself, and it is also a bit of code that I would like to share with rust-analyzer. r? @petrochenkov
2019-07-22Rollup merge of #62870 - matklad:issue-62863, r=petrochenkovMazdak Farrokhzad-1/+1
fix lexing of comments with many \r closes #62863
2019-07-22fix lexing of comments with many \rAleksey Kladov-1/+1
closes #62863
2019-07-21Fix typo in Unicode character nameAndrew Dassonville-1/+1
2019-07-21move unescape module to rustc_lexerAleksey Kladov-1/+1
2019-07-20Introduce rustc_lexerAleksey Kladov-1247/+531
The idea here is to make a reusable library out of the existing rust-lexer, by separating out pure lexing and rustc-specific concerns, like spans, error reporting an interning. So, rustc_lexer operates directly on `&str`, produces simple tokens which are a pair of type-tag and a bit of original text, and does not report errors, instead storing them as flags on the token.
2019-07-16normalize use of backticks in compiler messages for libsyntax/parseSamy Kacimi-1/+1
https://github.com/rust-lang/rust/issues/60532
2019-07-10Replace src: &mut dyn Read with StringMark Rousskov-4/+1
2019-07-07syntax: Pre-intern names of all built-in macrosVadim Petrochenkov-1/+1
They always end up interned anyway
2019-07-06Rollup merge of #62329 - matklad:no-peeking, r=petrochenkovMazdak Farrokhzad-156/+93
Remove support for 1-token lookahead from the lexer `StringReader` maintained `peek_token` and `peek_span_src_raw` for look ahead. `peek_token` was used only by rustdoc syntax coloring. After moving peeking logic into highlighter, I was able to remove `peek_token` from the lexer. I tried to use `iter::Peekable`, but that wasn't as pretty as I hoped, due to buffered fatal errors. So I went with hand-rolled peeking. After that I've noticed that the only peeking behavior left was for raw tokens to test tt jointness. I've rewritten it in terms of trivia tokens, and not just spans. After that it became possible to simplify the awkward constructor of the lexer, which could return `Err` if the first peeked token contained error.
2019-07-05Rollup merge of #62292 - Centril:split-async-closures, r=cramertjMazdak Farrokhzad-0/+1
Move `async || ...` closures into `#![feature(async_closure)]` The `async || expr` syntax is moved out from `#![feature(async_await)]` into its own gate `#![feature(async_closure)]`. New tracking issue: https://github.com/rust-lang/rust/issues/62290 Closes https://github.com/rust-lang/rust/issues/62214. cc https://github.com/rust-lang/rust/issues/62149 r? @varkor
2019-07-04make unwrap_or_abort non-generic againAleksey Kladov-1/+1
2019-07-04remove unused mk_sp_and_rawAleksey Kladov-10/+3
2019-07-04don't rely on spans when checking tokens for jointnessAleksey Kladov-47/+29
2019-07-04slightly comment lexer APIAleksey Kladov-11/+18
2019-07-04move constructors to topAleksey Kladov-51/+51
2019-07-04cleanup lexer constructorsAleksey Kladov-14/+6
2019-07-04remove peek_span_src_raw from StringReaderAleksey Kladov-68/+45
2019-07-04remove peek_token from StringReaderAleksey Kladov-18/+8
2019-07-04remove StringReader::peekAleksey Kladov-4/+0
The reader itself doesn't need ability to peek tokens, so it's better if clients implement this functionality. This hopefully becomes especially easy once we use iterator interface for lexer, but this is not too easy at the moment, because of buffered errors.
2019-07-04Rollup merge of #62297 - matklad:peek-delimited, r=petrochenkovMazdak Farrokhzad-67/+72
refactor check_for_substitution No behavior change, just flatter and simpler code. r? @petrochenkov
2019-07-03Add separate 'async_closure' feature gate.Mazdak Farrokhzad-0/+1
2019-07-02refactor check_for_substitutionAleksey Kladov-67/+72
No behavior change, just flatter and simpler code
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