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Author SHA1 Message Date
Jorge Aparicio
210dd611aa implement the ? operator 
The `?` postfix operator is sugar equivalent to the try! macro, but is more amenable to chaining:
`File::open("foo")?.metadata()?.is_dir()`.

`?` is accepted on any *expression* that can return a `Result`, e.g. `x()?`, `y!()?`, `{z}?`,
`(w)?`, etc. And binds more tightly than unary operators, e.g. `!x?` is parsed as `!(x?)`.

cc #31436
 2016-03-07 14:39:39 -05:00
Alex Burka
5daf13cae3 libsyntax: parse inclusive ranges 2016-02-27 02:01:41 -05:00
Vadim Petrochenkov
9f414a44a7 Split ast::PatKind::Enum into tuple struct and path patterns 2016-02-13 15:51:27 +03:00
Vadim Petrochenkov
14adc9bb63 Rename ast::Pat_ and its variants 2016-02-13 13:49:24 +03:00
Jonas Schievink
c877d61b15 Use more autoderef in libsyntax 2016-02-12 19:28:42 +01:00
Vadim Petrochenkov
77cc5764b9 Remove some unnecessary indirection from AST structures 2016-02-11 23:33:09 +03:00
Oliver 'ker' Schneider
2b816b0d6a [breaking-change] don't glob export ast::PathListItem_ variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
d844bfb196 [breaking-change] don't glob export ast::Visibility variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
dfe35da6b8 [breaking-change] don't glob export ast::TraitItemKind variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
14e09ad468 [breaking-change] don't glob export ast::MetaItem_ 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
019614f03d [breaking-change] don't glob export ast::Item_ variants 2016-02-11 12:34:48 +01:00
Oliver 'ker' Schneider
0d6ddd1903 [breaking-change] don't glob export ast::ForeignItem_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
8290c950a8 [breaking-change] don't pub export ast::Stmt_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
05d4cefd63 [breaking-change] don't pub export ast::Ty_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
80bf9ae18a [breaking-change] don't glob export ast::Expr_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
1c4d437158 [breaking-change] don't glob export ast::ExplicitSelf_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
79fa657abc [breaking-change] don't glob export ast::Decl_ variants 2016-02-11 12:34:48 +01:00
Oliver Schneider
3b57d40fe5 [breaking-change] don't glob import ast::FunctionRetTy variants 2016-02-11 12:34:48 +01:00
Ms2ger
2359ab0dc9 Stop re-exporting PathParameters's variants. 2015-12-22 17:12:33 +01:00
bors
440ef8b154 Auto merge of #30184 - petrochenkov:ascr, r=nikomatsakis 
This PR is a rebase of the original PR by @eddyb https://github.com/rust-lang/rust/pull/21836 with some unrebasable parts manually reapplied, feature gate added + type equality restriction added as described below.

This implementation is partial because the type equality restriction is applied to all type ascription expressions and not only those in lvalue contexts. Thus, all difficulties with detection of these contexts and translation of coercions having effect in runtime are avoided.
So, you can't write things with coercions like `let slice = &[1, 2, 3]: &[u8];`. It obviously makes type ascription less useful than it should be, but it's still much more useful than not having type ascription at all.
In particular, things like `let v = something.iter().collect(): Vec<_>;` and `let u = t.into(): U;` work as expected and I'm pretty happy with these improvements alone.

Part of https://github.com/rust-lang/rust/issues/23416
 2015-12-19 02:45:15 +00:00
Vadim Petrochenkov
0d298f9904 Deprecate name OwnedSlice and don't use it 2015-12-18 00:52:56 +03:00
Eduard Burtescu
b8157cc67f Implement type ascription. 2015-12-16 17:12:35 +03:00
Manish Goregaokar
b0b9a556df Rollup merge of #30388 - DanielJCampbell:macro-ident-spans, r=nrc 
r? @nrc
 2015-12-16 17:46:29 +05:30
Daniel Campbell
2dcd791d46 Generated code spans now point to callsite parameters (where applicable) 2015-12-15 17:41:03 +13:00
Amanieu d'Antras
65707dfc00 Use a struct instead of a tuple for inline asm output operands 2015-12-05 10:11:20 +00:00
Amanieu d'Antras
9d7b113b44 Add proper support for indirect output constraints in inline asm 2015-12-05 08:18:30 +00:00
Marvin Löbel
c56b47ab8c Some TLC for the MoveMap trait 2015-11-26 21:46:12 +01:00
Marvin Löbel
0608b1d414 Fixed macro expander not folding attributes (though I'm not sure if that is actually neccessary) 2015-11-26 21:46:12 +01:00
Marvin Löbel
f0beba0217 Moved and refactored ThinAttributes 2015-11-26 21:46:12 +01:00
Marvin Löbel
2a8f358de7 Add syntax support for attributes on expressions and all syntax 
nodes in statement position.

Extended #[cfg] folder to allow removal of statements, and
of expressions in optional positions like expression lists and trailing
block expressions.

Extended lint checker to recognize lint levels on expressions and
locals.
 2015-11-26 21:46:12 +01:00
Oliver Schneider
d09220de13 rename ast::ImplItem_::*ImplItem to ast::ImplItemKind::* 2015-11-16 10:35:30 +01:00
Kyle Mayes
8c88308c68 libsyntax: Add more quasiquoting macros 2015-11-11 15:19:01 -05:00
Seo Sanghyeon
791003ad3c Use deref coercions 2015-11-10 20:16:28 +09:00
Oliver Schneider
fcc7067904 remove Tt prefix from TokenType variants 
[breaking change]
 2015-11-06 14:52:02 +01:00
Vadim Petrochenkov
3468b8d42c Remove PatWildMulti 2015-10-31 03:44:43 +03:00
Vadim Petrochenkov
e8ddbba2ed syntax/rustc_front: Simplify VariantData::fields 
And use VariantData instead of P<VariantData> in Item_ and Variant_
 2015-10-25 18:33:51 +03:00
Vadim Petrochenkov
46750d0409 Merge VariantData and VariantData_ 2015-10-13 15:19:27 +03:00
Vadim Petrochenkov
40aa09e4c9 Merge struct fields and struct kind 2015-10-13 15:19:25 +03:00
Vadim Petrochenkov
30af54dede Dict -> Struct, StructDef -> VariantData, def -> data 2015-10-13 15:19:24 +03:00
Vadim Petrochenkov
beda1f88a7 Provide span for visit_struct_def + remove some dead code 2015-10-13 15:19:19 +03:00
Vadim Petrochenkov
877c35e8a2 Remove now redundant NodeId from Variant 2015-10-13 15:19:18 +03:00
Vadim Petrochenkov
495566ee61 Decouple structure kinds from NodeIds 2015-10-13 15:19:17 +03:00
Vadim Petrochenkov
ea47c2b6b3 Unify structures and enum variants in AST 2015-10-13 15:19:15 +03:00
Nick Cameron
ba43c228b5 Some cleanup of no longer used AST things 2015-10-09 11:53:42 +13:00
Eduard Burtescu
f293ea28b4 Remove the deprecated box(PLACE) syntax. 2015-09-24 18:00:08 +03:00
Andrew Paseltiner
85b8b447fa Replace ast::Mac_ enum with struct 
Closes #28527.
 2015-09-20 17:15:04 -04:00
Simonas Kazlauskas
f5a99ae7fb Remove Visibility field from enum variants 
Followup on #28440
 2015-09-17 10:02:59 +03:00
Simonas Kazlauskas
d8074e65b0 Use proper span for break and continue labels 
Fixes #28109
 2015-09-03 03:50:43 +03:00
bors
8856927f64 Auto merge of #27451 - seanmonstar:use-groups-as, r=alexcrichton 
An implementation of [RFC 1219](https://github.com/rust-lang/rfcs/pull/1219).

The RFC is not merged yet, but once merged, this could be.
 2015-08-10 20:24:06 +00:00
Sean McArthur
cfcd449c4c rustc: rename multiple imports in a list 2015-08-08 11:54:15 -07:00