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2016-08-29Future proof the AST for `union`.Jeffrey Seyfried-1/+4
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-2/+17
Implement RFC#1559: allow all literals in attributes Implemented rust-lang/rfcs#1559, tracked by #34981.
2016-08-28Rollup merge of #35480 - KiChjang:e0379-bonus, r=nikomatsakisJeffrey Seyfried-2/+2
Move E0379 check from typeck to ast validation Part of #35233. Extension of #35338, #35364. Fixes #35404.
2016-08-28Rollup merge of #35618 - jseyfried:ast_view_path_refactor, r=eddybJeffrey Seyfried-19/+6
Refactor `PathListItem`s This refactors away variant `Mod` of `ast::PathListItemKind` and refactors the remaining variant `Ident` to a struct `ast::PathListItem_`.
2016-08-27Change Constness to Spanned<Constness>Keith Yeung-2/+2
2016-08-25Refactor away `AttrMetaMethods`.Jeffrey Seyfried-1/+0
2016-08-25Refactor away `AttributeMethods`.Jeffrey Seyfried-1/+1
2016-08-25Implement RFC#1559: allow all literals in attributes.Sergio Benitez-2/+17
2016-08-21Refactor away variant `ast::PathListItemKind::Mod`Jeffrey Seyfried-19/+6
and refactor `ast::PathListItemKind::Ident` -> `ast::PathListItem_`.
2016-08-18Add Span field for Generics structsGuillaume Gomez-0/+2
2016-08-13Minor fixups based on feedbackAndrew Cann-1/+1
2016-08-13Rename empty/bang to neverAndrew Cann-1/+1
Split Ty::is_empty method into is_never and is_uninhabited
2016-08-13Remove obsolete divergence related stuffAndrew Cann-6/+0
Replace FnOutput with Ty Replace FnConverging(ty) with ty Purge FnDiverging, FunctionRetTy::NoReturn and FunctionRetTy::None
2016-08-13Start implementation of RFC 1216 (make ! a type)Andrew Cann-0/+3
Add `TyKind::Empty` and fix resulting build errors.
2016-08-12syntax: add anonymized type syntax, i.e. impl TraitA+TraitB.Eduard Burtescu-0/+3
2016-07-19Introduced `NoDelim` and modified the compiler to support it.cgswords-0/+4
2016-07-13Fix bug in the pretty printer.Jeffrey Seyfried-3/+2
2016-07-03prefer `if let` to match with `None => {}` arm in some placesZack M. Davis-12/+6
This is a spiritual succesor to #34268/8531d581, in which we replaced a number of matches of None to the unit value with `if let` conditionals where it was judged that this made for clearer/simpler code (as would be recommended by Manishearth/rust-clippy's `single_match` lint). The same rationale applies to matches of None to the empty block.
2016-06-29Fix pretty-printing of lifetime boundSeo Sanghyeon-22/+17
2016-06-26Rollup merge of #34436 - jseyfried:no_block_expr, r=eddybJeffrey Seyfried-21/+21
To allow these braced macro invocation, this PR removes the optional expression from `ast::Block` and instead uses a `StmtKind::Expr` at the end of the statement list. Currently, braced macro invocations in blocks can expand into statements (and items) except when they are last in a block, in which case they can only expand into expressions. For example, ```rust macro_rules! make_stmt { () => { let x = 0; } } fn f() { make_stmt! {} //< This is OK... let x = 0; //< ... unless this line is commented out. } ``` Fixes #34418.
2016-06-26Rollup merge of #34339 - jseyfried:thin_vec, r=petrochenkov,ManishearthJeffrey Seyfried-7/+4
Generalize and abstract `ThinAttributes` to `ThinVec<Attribute>`.
2016-06-26Rollup merge of #34316 - jseyfried:refactor_ast_stmt, r=eddybJeffrey Seyfried-29/+21
Refactor away `ast::Decl`, refactor `ast::Stmt`, and rename `ast::ExprKind::Again` to `ast::ExprKind::Continue`.
2016-06-26Rollup merge of #34385 - cgswords:tstream, r=nrcJeffrey Seyfried-7/+8
syntax-[breaking-change] cc #31645 (Only breaking because ast::TokenTree is now tokenstream::TokenTree.) This pull request refactors TokenTrees into their own file as src/libsyntax/tokenstream.rs, moving them out of src/libsyntax/ast.rs, in order to prepare for an accompanying TokenStream implementation (per RFC 1566).
2016-06-25Rollup merge of #34403 - jonathandturner:move_liberror, r=alexcrichtonJeffrey Seyfried-11/+13
This PR refactors the 'errors' part of libsyntax into its own crate (librustc_errors). This is the first part of a few refactorings to simplify error reporting and potentially support more output formats (like a standardized JSON output and possibly an --explain mode that can work with the user's code), though this PR stands on its own and doesn't assume further changes. As part of separating out the errors crate, I have also refactored the code position portion of codemap into its own crate (libsyntax_pos). While it's helpful to have the common code positions in a separate crate for the new errors crate, this may also enable further simplifications in the future.
2016-06-25Rollup merge of #34368 - petrochenkov:astqpath, r=ManishearthJeffrey Seyfried-2/+2
The AST part of https://github.com/rust-lang/rust/pull/34365 plugin-[breaking-change] cc https://github.com/rust-lang/rust/issues/31645
2016-06-25Rollup merge of #34213 - josephDunne:trait_item_macros, r=jseyfriedJeffrey Seyfried-0/+11
**syntax-[breaking-change]** cc #31645 New `TraitItemKind::Macro` variant This change adds support for macro expansion inside trait items by adding the new `TraitItemKind::Macro` and associated parsing code.
2016-06-24Add `ecx.stmt_semi()` and fix issues with the pretty-printerJeffrey Seyfried-2/+13
2016-06-23Remove field `expr` of `ast::Block`Jeffrey Seyfried-20/+9
2016-06-23Address more travis errorsJonathan Turner-1/+2
2016-06-23Move errors from libsyntax to its own crateJonathan Turner-11/+12
2016-06-21Refactored tokentrees into their own files in preparation for tokenstreams. ↵cgswords-7/+8
Modified tests to point to the new file now.
2016-06-20Merge PatKind::QPath into PatKind::Path in ASTVadim Petrochenkov-2/+2
2016-06-19Generalize and abstract `ThinAttributes`Jeffrey Seyfried-7/+4
2016-06-18Auto merge of #34310 - erickt:tuple-struct-attrs, r=nrcbors-1/+2
Pretty-print attributes on tuple structs and add tests This adds support to the pretty printer to print attributes added to tuple struct elements. Furthermore, it adds a test that makes sure we will print attributes on all variant data types.
2016-06-17Fix panic when using debugGuillaume Gomez-1/+1
2016-06-17Pretty-print attributes on tuple structs and add testsErick Tryzelaar-1/+2
This adds support to the pretty printer to print attributes added to tuple struct elements. Furthermore, it adds a test that makes sure we will print attributes on all variant data types.
2016-06-17Rename `ast::ExprKind::Again` -> `ast::ExprKind::Continue`Jeffrey Seyfried-1/+1
2016-06-17Fix falloutJeffrey Seyfried-28/+20
2016-06-16Revert using ? for try! in the libsyntax pretty printerErick Tryzelaar-859/+859
The use of ...?instead of try!(...) in libsyntax makes extracting libsyntax into syntex quite painful since it's not stable yet. This makes backports take a much longer time and causes a lot of problems for the syntex dependencies. Even if it was, it'd take a few release cycles until syntex would be able to use it. Since it's not stable and that this feature is just syntax sugar, it would be most helpful if we could remove it. cc #34311
2016-06-15prefer `if let` to match with `None => ()` arm in some placesZack M. Davis-19/+15
Casual grepping revealed some places in the codebase (some of which antedated `if let`'s December 2014 stabilization in c200ae5a) where we were using a match with a `None => ()` arm where (in the present author's opinion) an `if let` conditional would be more readable. (Other places where matching to the unit value did seem to better express the intent were left alone.) It's likely that we don't care about making such trivial, non-functional, sheerly æsthetic changes. But if we do, this is a patch.
2016-06-13Add support for macro expansion inside trait itemsJoseph Dunne-0/+11
2016-05-29Auto merge of #33934 - Byron:libsyntex-ring-buffer-size, r=pnkfelixbors-2/+2
Prevent overflows by increasing ring buffer size Please note that this change is just done to prevent issues as currently seen by syntex_syntax in future. See https://github.com/serde-rs/syntex/pull/47 for details. As shown in https://github.com/serde-rs/syntex/issues/33, complex code can easily overflow the ring-buffer and cause an assertion error.
2016-05-28Prevent overflows by increasing ring buffer sizeSebastian Thiel-2/+2
Please note that this change is just done to prevent issues as currently seen by syntex_syntax in future. See https://github.com/serde-rs/syntex/pull/47 for details. As shown in https://github.com/serde-rs/syntex/issues/33, complex code can easily overflow the ring-buffer and cause an assertion error.
2016-05-27Rollup merge of #33644 - petrochenkov:selfast, r=nrcManish Goregaokar-52/+29
The AST part of https://github.com/rust-lang/rust/pull/33505. https://github.com/rust-lang/rust/pull/33505 isn't landed yet, so this PR is based on top of it. r? @nrc plugin-[breaking-change] cc #31645 @Manishearth
2016-05-27Rollup merge of #33639 - petrochenkov:dotdot, r=nmatsakisManish Goregaokar-14/+30
cc https://github.com/rust-lang/rust/issues/33627 r? @nikomatsakis plugin-[breaking-change] cc https://github.com/rust-lang/rust/issues/31645 @Manishearth
2016-05-26Implement `..` in tuple (struct) patternsVadim Petrochenkov-14/+30
2016-05-25Add a new AST-only type variant `ImplicitSelf`Vadim Petrochenkov-0/+3
2016-05-25Remove ExplicitSelf from ASTVadim Petrochenkov-52/+26
2016-05-24syntax/hir: give loop labels a spanGeorg Brandl-4/+4
This makes the "shadowing labels" warning *not* print the entire loop as a span, but only the lifetime. Also makes #31719 go away, but does not fix its root cause (the span of the expanded loop is still wonky, but not used anymore).
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