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2018-03-22Use FunctionRetTy::Default rather than an explicit TyKind::Infer for ↵varkor-1/+1
lambda-building This prevents explicit `-> _` return type annotations for closures generated by `lambda`.
2018-03-17Rename `Span::empty` to `Span::shrink_to_lo`, add `Span::shrink_to_hi`Vadim Petrochenkov-2/+2
2018-02-18Replace dummy spans with empty spansSeiichi Uchida-2/+2
2018-02-18Change ast::Visibility to Spanned typeSeiichi Uchida-2/+2
2018-01-29rustc: replace "lvalue" terminology with "place" in the code.Eduard-Mihai Burtescu-2/+2
2018-01-16Implement repr(transparent)Robin Kruppe-1/+3
2018-01-07Rename ReprExtern to ReprC, and similarily rename a few other fields and ↵Robin Kruppe-1/+1
locals that mentioned "extern repr"
2018-01-04rustc: use {U,I}size instead of {U,I}s shorthands.Eduard-Mihai Burtescu-2/+2
2017-12-21Add GenericParam, refactor Generics in ast, hir, rustdocJonas Platte-86/+115
The Generics now contain one Vec of an enum for the generic parameters, rather than two separate Vec's for lifetime and type parameters. Additionally, places that previously used Vec<LifetimeDef> now use Vec<GenericParam> instead.
2017-12-09Use hygiene to access the injected crate (`core` or `std`) from builtin macros.Jeffrey Seyfried-10/+28
2017-11-26limit packed copy-out to non-generic Copy structsAriel Ben-Yehuda-7/+19
2017-11-26fix #[derive] implementation for repr(packed) structsAriel Ben-Yehuda-16/+64
Fix the derive implementation for repr(packed) structs to move the fields out instead of calling functions on references to each subfield. That's it, `#[derive(PartialEq)]` on a packed struct now does: ```Rust fn eq(&self, other: &Self) { let field_0 = self.0; let other_field_0 = other.0; &field_0 == &other_field_0 } ``` Instead of ```Rust fn eq(&self, other: &Self) { let ref field_0 = self.0; let ref other_field_0 = other.0; &*field_0 == &*other_field_0 } ``` Taking (unaligned) references to each subfield is undefined, unsound and is an error with MIR effectck, so it had to be prevented. This causes a borrowck error when a `repr(packed)` struct has a non-Copy field (and therefore is a [breaking-change]), but I don't see a sound way to avoid that error.
2017-10-17Lifting Generics from MethodSig to TraitItem and ImplItem since we want to ↵Sunjay Varma-1/+2
support generics in each variant of TraitItem and ImplItem
2017-09-21only set non-ADT derive error once per attribute, not per traitZack M. Davis-4/+7
A slight eccentricity of this change is that now non-ADT-derive errors prevent derive-macro-not-found errors from surfacing (see changes to the gating-of-derive compile-fail tests). Resolves #43927.
2017-08-30Make fields of `Span` privateVadim Petrochenkov-6/+6
2017-08-17Rollup merge of #43891 - Fourchaux:master, r=steveklabnikCorey Farwell-1/+1
Fix typos & us spellings Fixing some typos and non en-US spellings. (Update of PR https://github.com/rust-lang/rust/pull/42812 )
2017-08-15use field init shorthand EVERYWHEREZack M. Davis-27/+27
Like #43008 (f668999), but _much more aggressive_.
2017-08-15Fix typos & us spellingsFourchaux-1/+1
2017-07-29Rollup merge of #43501 - topecongiro:span-to-whereclause, r=nrcMark Simulacrum-0/+1
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
2017-07-28syntax: Capture a `TokenStream` when parsing itemsAlex Crichton-0/+2
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/+1
2017-06-28Auto merge of #42709 - stepancheg:discriminant-hash, r=jseyfriedbors-4/+5
deriv(Hash) for single-variant enum should not hash discriminant Fixes #39137
2017-06-23Removed as many "```ignore" as possible.kennytm-5/+7
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.
2017-06-16deriv(Hash) for single-variant enum should not hash discriminantStepan Koltsov-4/+5
Fixes #39137
2017-05-25Hygienize lifetimes.Jeffrey Seyfried-6/+6
2017-04-24support `default impl` for specializationGianni Ciccarelli-0/+1
this commit implements the first step of the `default impl` feature: all items in a `default impl` are (implicitly) `default` and hence specializable. In order to test this feature I've copied all the tests provided for the `default` method implementation (in run-pass/specialization and compile-fail/specialization directories) and moved the `default` keyword from the item to the impl. See referenced issue for further info
2017-04-21Implementation of repr struct alignment RFC 1358.Cameron Hart-1/+1
The main changes around rustc::ty::Layout::struct and rustc_trans:adt: * Added primitive_align field which stores alignment before repr align * Always emit field padding when generating the LLVM struct fields * Added methods for adjusting field indexes from the layout index to the LLVM struct field index The main user of this information is rustc_trans::adt::struct_llfields which determines the LLVM fields to be used by LLVM, including padding fields.
2017-03-29Merge `ExpnId` and `SyntaxContext`.Jeffrey Seyfried-6/+6
2017-03-14Refactor `Attribute` to use `Path` and `TokenStream` instead of `MetaItem`.Jeffrey Seyfried-1/+1
2017-02-25rustc_typeck: hook up collect and item/body check to on-demand.Eduard-Mihai Burtescu-1/+1
2017-01-17Use resizable Vec instead of P<[T]> in ASTVadim Petrochenkov-6/+5
2017-01-16AST/HIR: Replace Path with Type in WhereEqPredicateVadim Petrochenkov-2/+2
2017-01-11syntax: struct field attributes and cfgBenjamin Saunders-0/+1
2016-12-30Fix rebase falloutSimonas Kazlauskas-0/+1
This commit includes manual merge conflict resolution changes from a rebase by @est31.
2016-12-30Such large. Very 128. Much bits.Simonas Kazlauskas-1/+2
This commit introduces 128-bit integers. Stage 2 builds and produces a working compiler which understands and supports 128-bit integers throughout. The general strategy used is to have rustc_i128 module which provides aliases for iu128, equal to iu64 in stage9 and iu128 later. Since nowhere in rustc we rely on large numbers being supported, this strategy is good enough to get past the first bootstrap stages to end up with a fully working 128-bit capable compiler. In order for this strategy to work, number of locations had to be changed to use associated max_value/min_value instead of MAX/MIN constants as well as the min_value (or was it max_value?) had to be changed to use xor instead of shift so both 64-bit and 128-bit based consteval works (former not necessarily producing the right results in stage1). This commit includes manual merge conflict resolution changes from a rebase by @est31.
2016-12-22Refactor how global paths are represented (for both ast and hir).Jeffrey Seyfried-7/+4
2016-12-06annotate stricter lifetimes on LateLintPass methods to allow them to forward ↵Oliver Schneider-2/+2
to a Visitor
2016-11-20Move `syntax::util::interner` -> `syntax::symbol`, cleanup.Jeffrey Seyfried-4/+4
2016-11-20Refactor `MetaItemKind` to use `Name`s instead of `InternedString`s.Jeffrey Seyfried-8/+8
2016-10-29Fix more spans in deriving::genericNick Cameron-2/+3
2016-10-28Give variant spans used in derives the correct expansion idNick Cameron-1/+2
This fixes a problem in save-analysis where it mistakes a path to a variant as the variant itself.
2016-09-23Add attribute support to generic lifetime and type parameters.Felix S. Klock II-4/+5
I am using `ThinAttributes` rather than a vector for attributes attached to generics, since I expect almost all lifetime and types parameters to not carry any attributes.
2016-09-20rustc_metadata: go only through rustc_serialize in astencode.Eduard Burtescu-11/+11
2016-09-10Improve shallow `Clone` derivingVadim Petrochenkov-7/+20
2016-09-04Replace `_, _` with `..`Vadim Petrochenkov-4/+4
2016-09-03Support deriving some traits for unionsVadim Petrochenkov-1/+10
2016-08-30Future proof `libsyntax_ext` for `union`.Jeffrey Seyfried-0/+3
2016-08-28Rollup merge of #35917 - jseyfried:remove_attr_ext_traits, r=nrcJeffrey Seyfried-1/+0
syntax: Remove traits `AttrMetaMethods`, `AttributeMethods`, and `AttrNestedMetaItemMethods`
2016-08-28Rollup merge of #35850 - SergioBenitez:master, r=nrcJeffrey Seyfried-1/+1
Implement RFC#1559: allow all literals in attributes Implemented rust-lang/rfcs#1559, tracked by #34981.
2016-08-28Rollup merge of #35728 - petrochenkov:empderive, r=manishearthJeffrey Seyfried-23/+29
Fix #[derive] for empty tuple structs/variants This was missing from https://github.com/rust-lang/rust/pull/35138
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