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2017-08-09Merge remote-tracking branch 'origin/master' into genAlex Crichton-17/+150
2017-08-07Hint correct extern constant syntaxKornel-1/+3
2017-08-06Fix typo in unicode_chars.rsMalo Jaffré-1/+1
2017-08-06Update the list of confusable charactersMalo Jaffré-19/+125
Also reorder and space the list to make it clearer for futures updates and to come closer to the original list. Thanks @est31 for the instructions. Fixes #43629. r? @est31
2017-07-30default binding modes: add pat_binding_modesTobias Schottdorf-7/+8
This PR kicks off the implementation of the [default binding modes RFC][1] by introducing the `pat_binding_modes` typeck table mentioned in the [mentoring instructions][2]. `pat_binding_modes` is populated in `librustc_typeck/check/_match.rs` and used wherever the HIR would be scraped prior to this PR. Unfortunately, one blemish, namely a two callers to `contains_explicit_ref_binding`, remains. This will likely have to be removed when the second part of [1], the `pat_adjustments` table, is tackled. Appropriate comments have been added. See #42640. [1]: https://github.com/rust-lang/rfcs/pull/2005 [2]: https://github.com/rust-lang/rust/issues/42640#issuecomment-313535089
2017-07-30Auto merge of #43551 - Mark-Simulacrum:rollup, r=Mark-Simulacrumbors-0/+5
Rollup of 8 pull requests - Successful merges: #43409, #43501, #43509, #43512, #43513, #43536, #43544, #43549 - Failed merges:
2017-07-29Rollup merge of #43501 - topecongiro:span-to-whereclause, r=nrcMark Simulacrum-0/+5
Add Span to ast::WhereClause This PR adds `Span` field to `ast::WhereClause`. The motivation here is to make rustfmt's life easier when recovering comments before and after where clause. r? @nrc
2017-07-29Auto merge of #43009 - GuillaumeGomez:unused-doc-comments, r=nrcbors-5/+4
Throw errors when doc comments are added where they're unused #42617
2017-07-28syntax: Capture a `TokenStream` when parsing itemsAlex Crichton-6/+133
This is then later used by `proc_macro` to generate a new `proc_macro::TokenTree` which preserves span information. Unfortunately this isn't a bullet-proof approach as it doesn't handle the case when there's still other attributes on the item, especially inner attributes. Despite this the intention here is to solve the primary use case for procedural attributes, attached to functions as outer attributes, likely bare. In this situation we should be able to now yield a lossless stream of tokens to preserve span information.
2017-07-29Add Span to ast::WhereClausetopecongiro-0/+5
2017-07-28syntax: Add `tokens: Option<TokenStream>` to ItemAlex Crichton-0/+1
This commit adds a new field to the `Item` AST node in libsyntax to optionally contain the original token stream that the item itself was parsed from. This is currently `None` everywhere but is intended for use later with procedural macros.
2017-07-28Remove support for `gen arg`Alex Crichton-13/+1
2017-07-28Fix tidy warningsAlex Crichton-1/+1
2017-07-28Generator literal supportJohn Kåre Alsaker-1/+22
2017-07-27Give span to angle bracketed generic argumentsVadim Petrochenkov-3/+3
2017-07-27Simplify parsing of pathsVadim Petrochenkov-249/+124
2017-07-27Make a lint insteadGuillaume Gomez-32/+0
2017-07-27Throw errors when doc comments are added where they're unusedGuillaume Gomez-5/+36
2017-07-27Auto merge of #43489 - petrochenkov:mutref, r=GuillaumeGomezbors-2/+12
Better diagnostics and recovery for `mut ref` in patterns Fixes https://github.com/rust-lang/rust/issues/43286 Supersedes https://github.com/rust-lang/rust/pull/43451 r? @GuillaumeGomez
2017-07-26Better diagnostics and recovery for `mut ref` in patternsVadim Petrochenkov-2/+12
2017-07-25Fix the spans of catch blocks to include the `do`Nick Cameron-1/+1
2017-07-23Auto merge of #43096 - estebank:ascription-help, r=nikomatsakisbors-1/+16
Point at `:` when using it instead of `;` When triggering type ascription in such a way that we can infer a statement end was intended, add a suggestion for the change. Always point out the reason for the expectation of a type is due to type ascription. Fix #42057, #41928.
2017-07-23Auto merge of #43386 - oli-obk:suggestions, r=nikomatsakisbors-1/+1
Adjust new suggestions to the suggestion guidelines Addresses https://github.com/rust-lang/rust/pull/42033#discussion_r127694915 guidelines are https://github.com/rust-lang/rust/blob/master//src/librustc_errors/diagnostic.rs#L212-L224
2017-07-23Lambda expressions honor no struct literal restrictionAleksey Kladov-1/+4
2017-07-21Adjust new suggestions to the suggestion guidelinesOliver Schneider-1/+1
2017-07-20Use the macro structure spans instead of the invocationEsteban Küber-5/+3
2017-07-18Catch expression does not require semicolon to be a statementAleksey Kladov-1/+2
2017-07-18Unify rules about commas in match arms and semicolons in expressionsAleksey Kladov-10/+2
2017-07-17Add flag to hide code on inline suggestionsEsteban Küber-3/+3
Now there's a way to add suggestions that hide the suggested code when presented inline, to avoid weird wording when short code snippets are added at the end.
2017-07-17Change some helps to suggestionsOliver Schneider-2/+2
2017-07-16Point at `:` when using it instead of `;`Esteban Küber-1/+16
When triggering type ascription in such a way that we can infer a statement end was intended, add a suggestion for the change. Always point out the reason for the expectation of a type is due to type ascription.
2017-07-11Refactor methods onto Printer struct.Mark Simulacrum-6/+4
No (intentional) changes to behavior. This is intended to avoid the anti-pattern of having to import individual methods throughout code.
2017-07-10Store all generic arguments for method calls in ASTVadim Petrochenkov-33/+15
2017-07-07syntax: Apply recovery for casts to type ascriptionVadim Petrochenkov-46/+53
Fix spans, add some comments
2017-07-07Fix spans for binary operator expression with interpolated identifiersVadim Petrochenkov-5/+12
2017-07-06Add extra whitespace for suggestionsEsteban Küber-4/+4
2017-07-05Merge remote-tracking branch 'origin/master' into proc_macro_apiAlex Crichton-44/+38
2017-06-29Change some terminology around keywords and reserved identifierspetrochenkov-42/+33
2017-06-29Make `$crate` a keywordVadim Petrochenkov-1/+2
2017-06-27syntax: allow negative integer literal expression to be interpolated as patternAlex Burka-1/+3
2017-06-26Update and fix a few testsAlex Crichton-1/+1
2017-06-26Address review comments.Jeffrey Seyfried-13/+33
2017-06-26Add `LazyTokenStream`.Jeffrey Seyfried-13/+54
2017-06-26Implement `quote!` and other `proc_macro` API.Jeffrey Seyfried-6/+73
2017-06-26Simplify `hygiene::Mark` application, andJeffrey Seyfried-29/+34
remove variant `Token::SubstNt` in favor of `quoted::TokenTree::MetaVar`.
2017-06-23Removed as many "```ignore" as possible.kennytm-1/+1
Replaced by adding extra imports, adding hidden code (`# ...`), modifying examples to be runnable (sorry Homura), specifying non-Rust code, and converting to should_panic, no_run, or compile_fail. Remaining "```ignore"s received an explanation why they are being ignored.
2017-06-16Auto merge of #42578 - estebank:recover-binop, r=nikomatsakisbors-9/+91
Learn to parse `a as usize < b` Parsing `a as usize > b` always works, but `a as usize < b` was a parsing error because the parser would think the `<` started a generic type argument for `usize`. The parser now attempts to parse as before, and if a DiagnosticError is returned, try to parse again as a type with no generic arguments. If this fails, return the original `DiagnosticError`. Fix #22644.
2017-06-15Review commentsEsteban Küber-99/+71
- generate error instead of warning - remove `RewindPoint` and just keep a copy of `Parser` to rewind state. - `dont_parse_generics: bool` -> `parse_generics: bool` - remove `eat_lt` - move error handling code to separate method
2017-06-12Change `<` interpreted as generic arg start warningEsteban Küber-23/+33
``` warning: `<` is interpreted as a start of generic arguments for `usize`, not a comparison --> $DIR/issue-22644.rs:16:33 | 16 | println!("{}", a as usize < b); | - ^ interpreted as generic argument | | | not interpreted as comparison | help: if you want to compare the casted value then write: | println!("{}", (a as usize) < b); ```
2017-06-12Fix affected testsEsteban Küber-1/+2
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