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2018-11-13Rollup merge of #55870 - waywardmonkeys:typo-fixes, r=wesleywiserkennytm-2/+2
Fix typos.
2018-11-12Make `MatcherPos::stack` a `SmallVec`.Niko Matsakis-34/+57
This avoids some allocations.
2018-11-11Fix typos.Bruce Mitchener-2/+2
2018-11-05Auto merge of #55451 - estebank:arg-doc, r=pnkfelixbors-1/+1
Custom diagnostic when trying to doc comment argument When writing ``` pub fn f( /// Comment id: u8, ) {} ``` Produce a targeted diagnostic ``` error: documentation comments cannot be applied to method arguments --> $DIR/fn-arg-doc-comment.rs:2:5 | LL | /// Comment | ^^^^^^^^^^^ doc comments are not allowed here ``` Fix #54801.
2018-11-01Use `SmallVec` for the inner vectors in `MatcherPos::matches`.Nicholas Nethercote-5/+7
This avoids some allocations.
2018-11-01Share empty `Vec`s more within `MatcherPos::matches`.Nicholas Nethercote-4/+9
`create_matches` creates a `Vec<Rc<Vec<NamedMatch>>>`. Even though all the inner `Vec`s are empty, each one is created separately. This commit changes `create_matches` so it instead creates one empty inner `Vec`, and shares it. The commit also changes `MatcherPos::matches` to a boxed slice, because its length doesn't change.
2018-10-28Provide specific label for patern parsing errorEsteban Küber-1/+1
2018-10-26Auto merge of #54929 - csmoe:cfg_lint, r=petrochenkovbors-1/+1
Suggest to remove prefix `b` in cfg attribute lint string Closes #54926 r? @estebank
2018-10-26Rollup merge of #55358 - sinkuu:redundant_clone2, r=estebankkennytm-4/+3
Remove redundant clone (2)
2018-10-26Rollup merge of #55301 - estebank:macro-allowed, r=petrochenkovkennytm-44/+94
List allowed tokens after macro fragments Fix #34069.
2018-10-26Rollup merge of #55298 - estebank:macro-def, r=pnkfelixkennytm-7/+18
Point at macro definition when no rules expect token Fix #35150.
2018-10-26Rollup merge of #55292 - estebank:macro-eof, r=pnkfelixkennytm-1/+6
Macro diagnostics tweaks Fix #30128, fix #10951 by adding an appropriate span to the diagnostic. Fix #26288 by suggesting adding semicolon to macro call.
2018-10-26Remove redundant cloneShotaro Yamada-4/+3
2018-10-25List allowed tokens after macro fragmentsEsteban Küber-44/+94
2018-10-25Rollup merge of #54977 - estebank:macro-arg-parse, r=pnkfelixPietro Albini-1/+2
Accept `Option<Box<$t:ty>>` in macro argument Given the following code, compile successfuly: ``` macro_rules! test { ( fn fun() -> Option<Box<$t:ty>>; ) => { fn fun(x: $t) -> Option<Box<$t>> { Some(Box::new(x)) } } } test! { fn fun() -> Option<Box<i32>>; } ``` Fix #25274.
2018-10-24Point to macro def span instead of whole bodyEsteban Küber-1/+1
2018-10-23Point at macro definition when no rules expect tokenEsteban Küber-7/+18
2018-10-23Add macro call span when lacking any other span in diagnosticEsteban Küber-1/+6
2018-10-20handle errors based on parse_sesscsmoe-1/+1
2018-10-12Add missing lifetime fragment specifier to error message.Eric Huss-5/+6
A very minor issue, `lifetime` was missing from the error list. I left `literal` in the list, even though it is unstable. It looks like it may stabilize soon anyways.
2018-10-10Accept `Option<Box<$t:ty>>` in macro argumentEsteban Küber-1/+2
Given the following code, compile successfuly: ``` macro_rules! test { ( fn fun() -> Option<Box<$t:ty>>; ) => { fn fun(x: $t) -> Option<Box<$t>> { Some(Box::new(x)) } } } test! { fn fun() -> Option<Box<i32>>; } ```
2018-09-26Remove OneVectorljedrz-8/+8
2018-09-17Whitespace fix again.Vitaly _Vi Shukela-4/+4
2018-09-17Fill in suggestions Applicability according to @estebankVitaly _Vi Shukela-4/+4
Also fix some formatting along the way.
2018-09-16Remove usages of span_suggestion without ApplicabilityVitaly _Vi Shukela-1/+3
Use Applicability::Unspecified for all of them instead.
2018-09-08Rename sp_lo to sp_openDavid Tolnay-10/+10
2018-09-08Track distinct spans for open and close delimiterDavid Tolnay-37/+38
2018-08-28Use FxHash{Map,Set} instead of the default Hash{Map,Set} everywhere in rustc.Eduard-Mihai Burtescu-14/+14
2018-08-23Use optimized SmallVec implementationIgor Gutorov-2/+2
2018-08-21Rollup merge of #53496 - matthiaskrgr:codespell_08_2018, r=varkorkennytm-3/+3
Fix typos found by codespell.
2018-08-19Stabilize macro_vis_matcherJakub Kozlowski-13/+1
2018-08-19Fix typos found by codespell.Matthias Krüger-3/+3
2018-08-18Use the new Entry::or_default method where possible.Eduard-Mihai Burtescu-2/+1
2018-08-13Move SmallVec and ThinVec out of libsyntaxljedrz-9/+9
2018-08-07Suggest comma when missing in macro callEsteban Küber-2/+2
When missing a comma in a macro call, suggest it, regardless of position. When a macro call doesn't match any of the patterns, check if the call's token stream could be missing a comma between two idents, and if so, create a new token stream containing the comma and try to match against the macro patterns. If successful, emit the suggestion.
2018-08-06Suggest comma when writing `println!("{}" a);`Esteban Küber-1/+26
2018-07-23make it a migration lintmark-3/+32
2018-07-23Fix test and errorsmark-266/+183
2018-07-23Implement 2015 vs 2018 `?` kleene op + testmark-249/+476
2018-07-17Auto merge of #52145 - ExpHP:drop-it-like-its-eof, r=nikomatsakisbors-1/+6
Fix macro parser quadratic complexity in small repeating groups Observed in #51754, and more easily demonstrated with the following: ```rust macro_rules! stress { ($($t:tt)+) => { }; } fn main() { stress!{ a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a // ... 65536 copies of "a" total ... a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a } } ``` which takes 50 seconds to compile prior to the fix and <1s after. I hope this has a visible impact on the compile times for real code. (I think it is most likely to affect incremental TT munchers that deal with large inputs, though it depends on how they are written) For a fuller description of the performance issue: https://github.com/rust-lang/rust/issues/51754#issuecomment-403242159 --- There is no test (yet) because I'm not sure how easily to measure this for regressions.
2018-07-16cleanup unnecessary elseMichael Lamparski-6/+4
2018-07-14Remove most of `Hash` impls from AST and HIR structuresVadim Petrochenkov-3/+3
2018-07-14Remove most of `PartialEq` impls from AST and HIR structuresVadim Petrochenkov-4/+4
2018-07-10Deny bare trait objects in in src/libsyntaxljedrz-2/+2
2018-07-07fix perf issue in macro parserMichael Lamparski-1/+8
For a fuller description of the performance issue fixed by this: https://github.com/rust-lang/rust/issues/51754#issuecomment-403242159
2018-06-30Fortify dummy span checkingVadim Petrochenkov-5/+5
2018-06-30hygiene: Implement transparent marksVadim Petrochenkov-0/+3
2018-06-30expansion: Give names to some fields of `SyntaxExtension`Vadim Petrochenkov-1/+5
2018-06-27Implement `#[macro_export(local_inner_macros)]`Vadim Petrochenkov-0/+7
2018-06-23expansion: Rename `Expansion` to `AstFragment`Vadim Petrochenkov-5/+5
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