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2019-01-20Recover with suggestion from writing `.42` instead of `0.42`Esteban Küber-0/+26
2019-01-20Recover from parse errors in struct literal fieldsEsteban Küber-8/+39
Attempt to recover from parse errors while parsing a struct's literal fields by skipping tokens until a comma or the closing brace is found. This allows errors in other fields to be reported.
2019-01-20Auto merge of #57651 - JohnTitor:give-char-type, r=estebankbors-6/+9
Implement new literal type `Err` Fixes #57384 I removed `return Ok`, otherwise, two errors occur. Any solutions? r? @estebank
2019-01-20Revert changeYuki Okushi-3/+2
2019-01-20Mark incorrect recovered `char` literals as `TyErr` to avoid type errorsYuki Okushi-3/+2
2019-01-19Suggest usage of angle bracketsEsteban Küber-1/+1
2019-01-20[WIP] Improve error behaviorYuki Okushi-6/+8
2019-01-19Rollup merge of #57699 - euclio:applicability-ify, r=petrochenkovMazdak Farrokhzad-2/+7
add applicability to remaining suggestions Fixes #50723. I noticed that the suggestion methods on `DiagnosticBuilder` weren't actually deprecated due to #57679. This PR deprecates them properly and fixes the remaining usages. There's also a PR for clippy at rust-lang/rust-clippy#3667.
2019-01-19Rollup merge of #57486 - nnethercote:simplify-TokenStream-more, r=petrochenkovMazdak Farrokhzad-15/+14
Simplify `TokenStream` some more These commits simplify `TokenStream`, remove `ThinTokenStream`, and avoid some clones. The end result is simpler code and a slight perf win on some benchmarks. r? @petrochenkov
2019-01-18Fix suggestions given mulitple bad lifetimesDan Robertson-15/+6
When given multiple lifetimes prior to type parameters in generic parameters, do not ICE and print the correct suggestion.
2019-01-18Continue chekingYuki Okushi-1/+1
2019-01-18Change from error to invalidYuki Okushi-1/+1
2019-01-17properly deprecate suggestion methodsAndy Russell-2/+7
2019-01-16Cancel processYuki Okushi-1/+1
2019-01-16Add new literal type ErrYuki Okushi-0/+3
2019-01-14rustdoc: check code block syntax in early passAndy Russell-13/+0
2019-01-14Rollup merge of #57585 - estebank:trailing-semicolon, r=petrochenkovMazdak Farrokhzad-24/+35
Recover from item trailing semicolon CC https://github.com/rust-lang/rfcs/pull/2479 r? @petrochenkov
2019-01-14Rollup merge of #57572 - Centril:unaccept-extern-in-path, r=petrochenkovMazdak Farrokhzad-10/+3
Unaccept `extern_in_paths` Based on completed fcp-close in https://github.com/rust-lang/rust/issues/55600, this removes `extern_in_path` (e.g. `extern::foo::bar`) from the language. The changes are primarily reversing https://github.com/rust-lang/rust/commit/32db83b16e06cb5cca72d0e6a648a8008eda0fac. Closes https://github.com/rust-lang/rust/issues/55600 r? @petrochenkov
2019-01-14Rollup merge of #57540 - estebank:eval-more, r=petrochenkovMazdak Farrokhzad-31/+122
Modify some parser diagnostics to continue evaluating beyond the parser Continue evaluating further errors after parser errors on: - trailing type argument attribute - lifetime in incorrect location - incorrect binary literal - missing `for` in `impl Trait for Foo` - type argument in `where` clause - incorrect float literal - incorrect `..` in pattern - associated types - incorrect discriminator value variant error and others. All of these were found by making `continue-parse-after-error` `true` by default to identify errors that would need few changes. There are now only a handful of errors that have any change with `continue-parse-after-error` enabled. These changes make it so `rust` _won't_ stop evaluation after finishing parsing, enabling type checking errors to be displayed on the existing code without having to fix the parse errors. Each commit has an individual diagnostic change with their corresponding tests. CC #48724.
2019-01-13Recover from item trailing semicolonEsteban Küber-24/+35
2019-01-14Avoid some `TokenTree`-to-`TokenStream` conversions.Nicholas Nethercote-7/+6
This avoids some allocations.
2019-01-14Remove `ThinTokenStream`.Nicholas Nethercote-9/+9
`TokenStream` is now almost identical to `ThinTokenStream`. This commit removes the latter, replacing it with the former.
2019-01-13Rollup merge of #57004 - nnethercote:TS-change-Stream, r=petrochenkovMazdak Farrokhzad-5/+5
Make `TokenStream` less recursive. `TokenStream` is currently recursive in *two* ways: - the `TokenTree` variant contains a `ThinTokenStream`, which can contain a `TokenStream`; - the `TokenStream` variant contains a `Vec<TokenStream>`. The latter is not necessary and causes significant complexity. This commit replaces it with the simpler `Vec<(TokenTree, IsJoint)>`. This reduces complexity significantly. In particular, `StreamCursor` is eliminated, and `Cursor` becomes much simpler, consisting now of just a `TokenStream` and an index. The commit also removes the `Extend` impl for `TokenStream`, because it is only used in tests. (The commit also removes those tests.) Overall, the commit reduces the number of lines of code by almost 200.
2019-01-13remove extern_in_paths.Mazdak Farrokhzad-10/+3
2019-01-12Suggest correct location for lifetime parameters in useEsteban Küber-9/+43
2019-01-11Add label for invalid literal suffixEsteban Küber-0/+2
2019-01-11Tweak incorrect discriminator value variant errorEsteban Küber-7/+13
2019-01-11Small tweaks to parser errorsEsteban Küber-7/+20
2019-01-11Tweak type argument after assoc type errorEsteban Küber-2/+9
2019-01-11Continue evaluating after finding incorrect .. in patternEsteban Küber-3/+10
2019-01-11Continue evaluating after incorrect float literalEsteban Küber-1/+5
2019-01-11Continue evaluating after type argument in where clauseEsteban Küber-2/+6
2019-01-11Continue evaluating after missing `for` in `impl Trait for Foo`Esteban Küber-1/+7
2019-01-11Continue evaluating after parsing incorrect binary literalEsteban Küber-1/+1
2019-01-11Continue parsing after lifetime in incorrect locationEsteban Küber-2/+6
2019-01-11Continue parser after trailing type argument attributeEsteban Küber-2/+6
2019-01-11stabilize top level or-pats in if/while let.Mazdak Farrokhzad-2/+3
2019-01-08Make `TokenStream` less recursive.Nicholas Nethercote-5/+5
`TokenStream` is currently recursive in *two* ways: - the `TokenTree` variant contains a `ThinTokenStream`, which can contain a `TokenStream`; - the `TokenStream` variant contains a `Vec<TokenStream>`. The latter is not necessary and causes significant complexity. This commit replaces it with the simpler `Vec<(TokenTree, IsJoint)>`. This reduces complexity significantly. In particular, `StreamCursor` is eliminated, and `Cursor` becomes much simpler, consisting now of just a `TokenStream` and an index. The commit also removes the `Extend` impl for `TokenStream`, because it is only used in tests. (The commit also removes those tests.) Overall, the commit reduces the number of lines of code by almost 200.
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
2019-01-01Auto merge of #57209 - estebank:suggest-raw-ident, r=petrochenkovbors-0/+12
Suggest using raw identifiers in 2018 edition when using keywords
2019-01-01syntax: Fix regression in diagnostics for patterns in trait method parametersVadim Petrochenkov-1/+2
2018-12-31Do not use unicode character in diagnostic helpEsteban Küber-1/+1
2018-12-31Use structured suggestion for braceless unicode escape squenceEsteban Küber-6/+30
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-90/+0
2018-12-23Rollup merge of #56964 - nnethercote:TokenStream-IsJoint, r=petrochenkovMazdak Farrokhzad-3/+2
Remove `TokenStream::JointTree`. This is done by adding a new `IsJoint` field to `TokenStream::Tree`, which simplifies a lot of `match` statements. And likewise for `CursorKind`. The commit also adds a new method `TokenTree:stream()` which can replace a choice between `.into()` and `.joint()`.
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