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2016-03-21Auto merge of #32253 - durka:derive-31886, r=alexcrichtonbors-1/+1
derive: assume enum repr defaults to isize derive: assume enum repr defaults to isize Fixes #31886. Spawned from #32139. r? @alexcrichton
2016-03-18Auto merge of #31977 - bluss:partial-eq-save, r=brsonbors-11/+43
derive: Avoid emitting provided PartialEq, PartialOrd methods for c-like enums derive: Avoid emitting provided PartialEq, PartialOrd method for c-like enums `ne` is completely symmetrical with the method `eq`, and we can save rust code size and compilation time here if we only emit one of them when possible. One case where it's easy to recognize is when it's a C-like enum. Most other cases can not omit ne, because any value field may have a custom PartialEq implementation.
2016-03-18derive: assume enum repr defaults to isizeAlex Burka-1/+1
It was originally intended to be i32, but it isn't. Fixes #31886.
2016-03-17Re-add double underscores in derive (fixes #32292)Manish Goregaokar-43/+43
2016-03-15Auto merge of #32251 - durka:derive-2810, r=alexcrichtonbors-114/+136
derive: clean up hygiene derive: clean up hygiene Fixes #2810. Spawned from #32139. r? @alexcrichton
2016-03-15Auto merge of #32250 - durka:derive-31574, r=alexcrichtonbors-11/+18
derive: use intrinsics::unreachable over unreachable!() derive: use intrinsics::unreachable over unreachable!() Fixes #31574. Spawned from #32139. r? @alexcrichton
2016-03-14Add `default` as contextual keyword, and parse it for impl items.Aaron Turon-0/+2
2016-03-14derive: improve hygiene for type parameters (see #2810)Alex Burka-17/+46
When deriving Hash, RustcEncodable and RustcDecodable, the syntax extension needs a type parameter to use in the inner method. They used to use __H, __S and __D respectively. If this conflicts with a type parameter already declared for the item, bad times result (see the test). There is no hygiene for type parameters, but this commit introduces a better heuristic by concatenating the names of all extant type parameters (and prepending __H).
2016-03-14derive: remove most __ strings FIXME(#2810)Alex Burka-48/+48
This changes local variable names in all derives to remove leading double-underscores. As far as I can tell, this doesn't break anything because there is no user code in these generated functions except for struct, field and type parameter names, and this doesn't cause shadowing of those. But I am still a bit nervous.
2016-03-14fix FIXME(#6449) in #[derive(PartialOrd, Ord)]Alex Burka-55/+48
This replaces some `if`s with `match`es. This was originally not possible because using a global path in a match statement caused a "non-constant path in constant expr" ICE. The issue is long since closed, though you still hit it (as an error now, not an ICE) if you try to generate match patterns using pat_lit(expr_path). But it works when constructing the patterns more carefully.
2016-03-14derive: emit intrinsics::unreachable for impls on empty enumsAlex Burka-11/+18
fixes #31574
2016-03-01derive: Emit only PartialOrd::partial_cmp for simple enumsUlrik Sverdrup-24/+35
Using the same logic as for `PartialEq`, when possible define only `partial_cmp` and leave `lt, le, gt, ge` to their default implementations. This works well for c-like enums.
2016-02-29derive: Skip PartialEq::ne for any zero-field enum or structUlrik Sverdrup-17/+15
Also detect unit structs and enums with zero field struct variants.
2016-02-29derive: Avoid emitting PartialEq::ne for c-like enumsUlrik Sverdrup-5/+28
`ne` is completely symmetrical with the method `eq`, and we can save rust code size and compilation time here if we only emit one of them when possible. One case where it's easy to recognize is when it's a C-like enum. Most other cases can not omit ne, because any value field may have a custom PartialEq implementation.
2016-02-23Some refactoring in deriving/debug.rsVadim Petrochenkov-8/+3
2016-02-22Fix #[derive] for empty structs with bracesVadim Petrochenkov-37/+49
2016-02-13Rename ast::Pat_ and its variantsVadim Petrochenkov-3/+3
2016-02-12Use more autoderef in libsyntax_extJonas Schievink-2/+2
2016-02-11Remove some unnecessary indirection from AST structuresVadim Petrochenkov-12/+12
2016-02-11[breaking-change] don't glob export ast::StrStyle variantsOliver 'ker' Schneider-3/+2
2016-02-11[breaking-change] don't glob export ast::Visibility variantsOliver 'ker' Schneider-2/+2
2016-02-11[breaking-change] don't glob export ast::Mutablity variantsOliver 'ker' Schneider-15/+18
2016-02-11[breaking-change] don't glob export ast::MetaItem_Oliver 'ker' Schneider-2/+2
2016-02-11[breaking-change] don't glob export ast::Item_ variantsOliver 'ker' Schneider-8/+8
2016-02-11[breaking-change] don't pub export ast::Stmt_ variantsOliver Schneider-1/+1
2016-02-11[breaking-change] don't pub export ast::Lit_ variantsOliver Schneider-3/+3
2016-02-11[breaking-change] don't pub export ast::Ty_ variantsOliver Schneider-3/+3
2016-02-11[breaking-change] don't glob export ast::{UintTy, IntTy} variantsOliver Schneider-11/+11
2016-02-11[breaking-change] don't glob export ast::Expr_ variantsOliver Schneider-13/+11
2016-02-11[breaking-change] don't glob export ast::ExplicitSelf_ variantsOliver Schneider-4/+4
2016-02-11[breaking-change] don't glob export ast::Decl_ variantsOliver Schneider-1/+1
2016-02-11[breaking-change] don't glob import/export syntax::abi enum variantsOliver Schneider-3/+2
2016-02-11[breaking-change] don't glob export ast::BlockCheckMode variantsOliver Schneider-2/+2
2016-02-11[breaking-change] don't glob export ast::BinOp_Oliver Schneider-18/+16
2016-02-11[breaking-change] don't glob export ast::UnOp variantsOliver Schneider-1/+1
2016-02-03remove dead #[derive(FromPrimitive)] codeAlex Burka-145/+0
2016-01-22Extended save-analysis to support generated code, alterned some spans in ↵Daniel Campbell-3/+3
format_args! and derive to maintain compatability
2015-12-21Auto merge of #30460 - Ms2ger:BindingMode, r=alexcrichtonbors-1/+1
2015-12-20Stop re-exporting the ast::BindingMode variants.Ms2ger-1/+1
2015-12-18Rollup merge of #30420 - petrochenkov:owned2, r=nrcManish Goregaokar-7/+5
Part of https://github.com/rust-lang/rust/pull/30095 not causing mysterious segfaults. r? @nrc
2015-12-18Deprecate name `OwnedSlice` and don't use itVadim Petrochenkov-7/+5
2015-12-17move error handling from libsyntax/diagnostics.rs to libsyntax/errors/*Nick Cameron-2/+2
Also split out emitters into their own module.
2015-12-15Move built-in syntax extensions to a separate crateSeo Sanghyeon-0/+3820
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