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2018-06-27Generate the `NodeId` for `existential type` in the ASTOliver Schneider-1/+1
2018-06-26inclusive range syntax lint (`...` → `..=`)Zack M. Davis-2/+2
Our implementation ends up changing the `PatKind::Range` variant in the AST to take a `Spanned<RangeEnd>` instead of just a `RangeEnd`, because the alternative would be to try to infer the span of the range operator from the spans of the start and end subexpressions, which is both hideous and nontrivial to get right (whereas getting the change to the AST right was a simple game of type tennis). This is concerning #51043.
2018-06-23hygiene: Rename `MarkKind` to `Transparency`Vadim Petrochenkov-2/+2
Move `is_builtin` for `Mark` to a separate flag
2018-06-22Update libsyntax testTaylor Cramer-4/+14
2018-06-21async await desugaring and testsTaylor Cramer-6/+18
2018-06-21Parse async fn header.Without Boats-27/+20
This is gated on edition 2018 & the `async_await` feature gate. The parser will accept `async fn` and `async unsafe fn` as fn items. Along the same lines as `const fn`, only `async unsafe fn` is permitted, not `unsafe async fn`.The parser will not accept `async` functions as trait methods. To do a little code clean up, four fields of the function type struct have been merged into the new `FnHeader` struct: constness, asyncness, unsafety, and ABI. Also, a small bug in HIR printing is fixed: it previously printed `const unsafe fn` as `unsafe const fn`, which is grammatically incorrect.
2018-06-20Make GenericBound explicitvarkor-5/+5
2018-06-20Rename ParamBound(s) to GenericBound(s)varkor-5/+5
2018-06-20Rename TraitTyParamBound to ParamBound::Traitvarkor-4/+4
2018-06-20Remove name from GenericParamKind::Lifetimevarkor-22/+15
2018-06-20Use ParamBounds in WhereRegionPredicatevarkor-17/+15
2018-06-20Lift bounds into GenericParamvarkor-9/+14
2018-06-20Rename structures in astvarkor-10/+10
2018-06-20Remove methods from ast::GenericParam and ast::Genericsvarkor-1/+1
2018-06-20Refactor ast::GenericParam as a structvarkor-19/+17
2018-06-20Rename ast::GenericParam and ast::GenericArgvarkor-10/+10
It's so confusing to have everything having the same name, at least while refactoring.
2018-06-20Make method and variable names more consistentvarkor-6/+8
2018-06-20Rename "parameter" to "arg"varkor-14/+14
2018-06-20Rename PathParameter(s) to GenericArg(s)varkor-7/+7
2018-06-20Rename *Parameter to *Paramvarkor-4/+4
2018-06-20Consolidate PathParameters and AngleBracketedParameterDatavarkor-19/+10
2018-06-14create multiple HIR items for a use statementQuietMisdreavus-1/+1
2018-05-26Auto merge of #51072 - petrochenkov:ifield, r=eddybbors-2/+2
Use `Ident`s for fields in HIR Continuation of https://github.com/rust-lang/rust/pull/49718, part of https://github.com/rust-lang/rust/issues/49300
2018-05-26Add `Ident::as_str` helperVadim Petrochenkov-2/+2
2018-05-24restore emplacement syntax (obsolete)Niko Matsakis-0/+7
2018-05-22rustc: Correctly pretty-print macro delimitersAlex Crichton-54/+50
This commit updates the `Mac_` AST structure to keep track of the delimiters that it originally had for its invocation. This allows us to faithfully pretty-print macro invocations not using parentheses (e.g. `vec![...]`). This in turn helps procedural macros due to #43081. Closes #50840
2018-05-19rustc: introduce {ast,hir}::AnonConst to consolidate so-called "embedded ↵Eduard-Mihai Burtescu-6/+6
constants".
2018-05-17Turn some functions from `token.rs` into methods on `Ident`Vadim Petrochenkov-1/+1
2018-05-16Auto merge of #50045 - est31:label_break_value, r=eddybbors-3/+12
Implement label break value (RFC 2046) Implement label-break-value (#48594).
2018-05-16label-break-value: Parsing and AST/HIR changesest31-3/+12
2018-05-15Represent lifetimes as two joint tokens in proc macrosVadim Petrochenkov-0/+1
2018-05-13Macros: Add a 'literal' fragment specifierDan Aloni-0/+1
Implements RFC 1576. See: https://github.com/rust-lang/rfcs/blob/master/text/1576-macros-literal-matcher.md Changes are mostly in libsyntax, docs, and tests. Feature gate is enabled for 1.27.0. Many thanks to Vadim Petrochenkov for following through code reviews and suggestions. Example: ````rust macro_rules! test_literal { ($l:literal) => { println!("literal: {}", $l); }; ($e:expr) => { println!("expr: {}", $e); }; } fn main() { let a = 1; test_literal!(a); test_literal!(2); test_literal!(-3); } ``` Output: ``` expr: 1 literal: 2 literal: -3 ```
2018-05-06Fix assertion message generationShotaro Yamada-1/+1
2018-05-03Auto merge of #50030 - flip1995:rfc2103, r=petrochenkovbors-16/+21
Implement tool_attributes feature (RFC 2103) cc #44690 This is currently just a rebased and compiling (hopefully) version of #47773. Let's see if travis likes this. I will add the implementation for `tool_lints` this week.
2018-05-03Auto merge of #50391 - nnethercote:escape_unicode, r=eddybbors-1/+1
Use escape_default() for strings in LitKind::token(). This avoids converting every char to \u{...} form, which bloats the resulting strings unnecessarily. It also provides consistency with the existing escape_default() calls in LitKind::token() used for raw string literals, char literals, and raw byte char literals. There are two benefits from this change. - Compilation is faster. Most of the rustc-perf benchmarks see a non-trivial speedup, particularly for incremental rebuilds, with the best speedup over 13%, and multiple others over 10%. - Generated rlibs are smaller. An extreme example is libfutures.rlib, which shrinks from 2073306 bytes to 1765927 bytes, a 15% reduction. r? @jseyfried <details><summary>Here are full numbers for all the rustc-perf runs where the improvement was > 1%.</summary> ``` regex-check avg: -11.1% min: -13.4% max: -5.5% futures-check avg: -7.6% min: -11.4% max: -3.5% futures-opt avg: -6.3% min: -10.3% max: -2.3% futures avg: -6.6% min: -10.3% max: -2.8% regex-opt avg: -4.7% min: -10.2% max: -0.4% regex avg: -5.3% min: -10.2% max: -1.2% hyper-check avg: -4.8% min: -6.6% max: -2.7% encoding-check avg: -4.1% min: -5.5% max: -2.5% issue-46449-check avg: -4.7% min: -5.2% max: -4.1% clap-rs-check avg: -2.9% min: -5.2% max: -1.1% hyper avg: -3.0% min: -5.1% max: -0.8% parser-check avg: -4.2% min: -4.9% max: -3.2% hyper-opt avg: -2.6% min: -4.9% max: -0.3% encoding-opt avg: -2.3% min: -4.6% max: -0.5% encoding avg: -2.5% min: -4.4% max: -0.6% issue-46449 avg: -2.3% min: -4.4% max: -1.8% issue-46449-opt avg: -1.7% min: -4.3% max: -0.9% clap-rs-opt avg: -1.6% min: -4.2% max: -0.2% serde-check avg: -1.4% min: -4.1% max: -0.2% clap-rs avg: -1.6% min: -3.9% max: -0.7% unify-linearly-check avg: -3.2% min: -3.7% max: -2.7% serde avg: -1.1% min: -3.5% max: -0.1% regression-31157-check avg: -2.6% min: -3.4% max: -1.6% helloworld-check avg: -2.5% min: -3.4% max: -0.6% serde-opt avg: -1.3% min: -3.3% max: -0.5% tokio-webpush-simple-check avg: -2.4% min: -3.2% max: -1.8% piston-image-check avg: -1.7% min: -3.2% max: -0.9% deeply-nested-opt avg: -1.5% min: -3.0% max: -0.6% deeply-nested-check avg: -1.9% min: -2.9% max: -0.4% deeply-nested avg: -1.9% min: -2.9% max: -1.2% syn-check avg: -1.8% min: -2.8% max: -0.6% coercions avg: -0.5% min: -2.8% max: 0.4% syn-opt avg: -0.9% min: -2.4% max: -0.1% syn avg: -1.1% min: -2.2% max: -0.3% parser-opt avg: -1.9% min: -2.1% max: -1.6% parser avg: -1.9% min: -2.1% max: -1.6% style-servo-check avg: -1.3% min: -2.0% max: -0.8% regression-31157-opt avg: -0.8% min: -2.0% max: 0.0% piston-image avg: -0.7% min: -1.8% max: -0.2% piston-image-opt avg: -0.6% min: -1.8% max: -0.0% regression-31157 avg: -1.0% min: -1.7% max: -0.3% html5ever-opt avg: -0.6% min: -1.5% max: -0.1% unify-linearly-opt avg: -1.3% min: -1.5% max: -1.1% unify-linearly avg: -1.3% min: -1.4% max: -1.2% tokio-webpush-simple-opt avg: -0.4% min: -1.2% max: -0.0% helloworld-opt avg: -1.0% min: -1.1% max: -0.6% helloworld avg: -1.0% min: -1.1% max: -0.7% inflate-opt avg: -0.3% min: -1.1% max: 0.1% html5ever-check avg: -0.6% min: -1.0% max: -0.3% inflate-check avg: -0.3% min: -1.0% max: -0.1% ``` </details>
2018-05-03Remove parse::escape_default().Nicholas Nethercote-1/+1
str::escape_default() can be used instead.
2018-05-02make it compile againflip1995-8/+8
2018-05-02Remove Option from the return type of Attribute::name()Seiichi Uchida-0/+1
2018-05-02Allow Path for name of MetaItemSeiichi Uchida-16/+20
2018-04-30Extend Printer::buf on demand.Nicholas Nethercote-7/+23
So that 55 entries (at 48 bytes each) don't need to be eagerly initialized on creation. This speeds up numerous rust-perf benchmark runs, by up to 3%.
2018-04-26rustc_target: move in syntax::abi and flip dependency.Irina Popa-1/+1
2018-04-18Auto merge of #49993 - nnethercote:shrink-Token, r=alexcrichtonbors-3/+3
Change the hashcounts in raw `Lit` variants from usize to u16. This reduces the size of `Token` from 32 bytes to 24 bytes on 64-bit platforms.
2018-04-12AST/HIR: Merge field access expressions for named and numeric fieldsVadim Petrochenkov-7/+1
2018-04-12Change the hashcounts in raw `Lit` variants from usize to u16.Nicholas Nethercote-3/+3
This reduces the size of `Token` from 32 bytes to 24 bytes on 64-bit platforms.
2018-04-07Inject the `compiler_builtins` crate whenever the `core` crate is injectedOliver Schneider-1/+1
2018-04-06Use `Ident` instead of `Name` in `MetaItem`Vadim Petrochenkov-7/+7
2018-04-06Make lifetime nonterminals closer to identifier nonterminalsVadim Petrochenkov-1/+1
2018-04-06Rename `ast::Variant_::name` into `ident` + Fix rebaseVadim Petrochenkov-2/+2
2018-04-06Get rid of `SpannedIdent`Vadim Petrochenkov-26/+26
2018-04-06Rename `PathSegment::identifier` to `ident`Vadim Petrochenkov-12/+12
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