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2765 Commits

Author SHA1 Message Date
bors
d82fd9ecd3 Auto merge of #62643 - estebank:parse-recovery-type-errs, r=petrochenkov 
Do not emit type errors after parse error in last statement of block

When recovering from a parse error inside a block, do not emit type
errors generating on that block's recovered return expression.

Fix #57383.
 2019-07-14 22:51:05 +00:00
bors
83e4eed16e Auto merge of #62638 - estebank:issue-62554, r=petrochenkov 
Use snippet instead of pprinting statement

Fix #62554.
 2019-07-14 17:29:17 +00:00
Mazdak Farrokhzad
4fe6e63cd6 Rollup merge of #62604 - estebank:unemitted-err-ice, r=pnkfelix 
Handle errors during error recovery gracefully

Fix #62546.
 2019-07-13 16:18:38 +02:00
Esteban Küber
8259a2dd42 Do not emit type errors after parse error in last statement of block 
When recovering from a parse error inside a block, do not emit type
errors generating on that block's recovered return expression.

Fix #57383.
 2019-07-12 18:55:01 -07:00
Esteban Küber
726aa1437f Use snippet instead of pprinting statement 2019-07-12 14:01:13 -07:00
Mazdak Farrokhzad
a7f1649fbb Rollup merge of #62607 - estebank:this-mem-is-out-of-control, r=petrochenkov 
Correctly break out of recovery loop

Fix #61858.
 2019-07-12 22:46:52 +02:00
Esteban Küber
cc481a46cb Correctly break out of recovery loop 2019-07-11 20:02:54 -07:00
Esteban Küber
c9f7a3d206 Emit dropped unemitted errors to aid in ICE debugging 2019-07-11 16:59:19 -07:00
Esteban Küber
e1c7747cf0 Handle errors during error recovery gracefully 2019-07-11 16:54:33 -07:00
Mark Rousskov
63fdf1a527 Remove needless indent arguments 
We're always indenting by INDENT_UNIT anyway
 2019-07-10 07:13:22 -04:00
Mark Rousskov
cab453250a Move pp::Printer helpers to direct impl 2019-07-10 07:13:20 -04:00
Mazdak Farrokhzad
84527e4676 Rollup merge of #62292 - Centril:split-async-closures, r=cramertj 
Move `async || ...` closures into `#![feature(async_closure)]`

The `async || expr` syntax is moved out from `#![feature(async_await)]` into its own gate `#![feature(async_closure)]`.

New tracking issue: https://github.com/rust-lang/rust/issues/62290

Closes https://github.com/rust-lang/rust/issues/62214.

cc https://github.com/rust-lang/rust/issues/62149

r? @varkor
 2019-07-05 13:53:06 +02:00
bors
f119bf2761 Auto merge of #62099 - Mark-Simulacrum:syntax-print-clean-2, r=eddyb 
Remove io::Result from syntax::print

Since we're now writing directly to the vector, there's no need to
thread results through the whole printing infrastructure
 2019-07-05 06:55:48 +00:00
Mazdak Farrokhzad
8867ba19de Rollup merge of #62258 - petrochenkov:idclean, r=Centril 
syntax: Unsupport `foo! bar { ... }` macros in the parser

Their support in expansion was removed in https://github.com/rust-lang/rust/pull/61606.

Also un-reserve `macro_rules` as a macro name, there's no ambiguity between `macro_rules` definitions and macro calls (it also wasn't reserved correctly).

cc https://github.com/rust-lang-nursery/wg-grammar/issues/51
 2019-07-04 01:38:49 +02:00
Mazdak Farrokhzad
bb7fbb99a2 Add separate 'async_closure' feature gate. 2019-07-03 23:59:36 +02:00
Chris Gregory
636f5e6d11 Convert more usages over 2019-07-01 20:21:12 -07:00
Vadim Petrochenkov
d0dc41a2bd Address review comments 2019-07-01 12:20:54 +03:00
Vadim Petrochenkov
3f39dc1b90 syntax: Unsupport foo! bar { ... } macros in the parser 
Unreserve `macro_rules` as a macro name
 2019-07-01 12:20:54 +03:00
Mazdak Farrokhzad
ce1d95af4c Always parse 'async unsafe fn' + properly ban in 2015. 2019-06-29 21:38:26 +02:00
Mark Rousskov
da5c835c8b Remove io::Result from syntax::print 
Since we're now writing directly to the vector, there's no need to
thread results through the whole printing infrastructure
 2019-06-29 09:10:17 -04:00
Igor Matuszewski
12806b7050 Fix clippy::redundant_field_names 2019-06-26 13:59:58 +02:00
bors
303f77ee1d Auto merge of #60732 - jswrenn:arbitrary_enum_discriminant, r=pnkfelix 
Implement arbitrary_enum_discriminant

Implements RFC rust-lang/rfcs#2363 (tracking issue #60553).
 2019-06-25 15:12:11 +00:00
bors
3cc3486733 Auto merge of #62075 - Centril:guardless-match-arms, r=petrochenkov 
Remove `ast::Guard`

With the introduction of `ast::ExprKind::Let` in https://github.com/rust-lang/rust/pull/60861, the `ast::Guard` structure is now redundant in terms of representing [`if let` guards](https://github.com/rust-lang/rust/issues/51114) in AST since it can be represented by `ExprKind::Let` syntactically. Therefore, we remove `ast::Guard` here.

However, we keep `hir::Guard` because the semantic representation is a different matter and this story is more unclear right now (might involve `goto 'arm` in HIR or something...).

r? @petrochenkov
 2019-06-24 05:00:10 +00:00
Mazdak Farrokhzad
4d53714183 Remove redundant syntax::ast::Guard. 2019-06-23 11:32:16 +02:00
Mazdak Farrokhzad
851066f57e let_chains: Fix bugs in pretty printing. 2019-06-23 01:29:29 +02:00
Mazdak Farrokhzad
7465eb44f0 let_chains: Refactor parse_{if,while}_expr a bit. 2019-06-23 01:29:29 +02:00
Mazdak Farrokhzad
eb4f54a58d let_chains: Move feature gating to pre-expansion. 2019-06-23 01:29:29 +02:00
Mazdak Farrokhzad
3b7f0cb7e0 let_chains: Fix outdated doc-comment re. 'parse_if_expr'. 2019-06-23 01:29:29 +02:00
Mazdak Farrokhzad
dff1e379fc let_chains: Add support for parsing let expressions. 2019-06-23 01:29:29 +02:00
John Wrenn
ac98342e84 Implement arbitrary_enum_discriminant 2019-06-21 11:00:10 -04:00
Matthew Jasper
63edd2c358 Remove the HirId/NodeId from where clauses 
Also give them a span in the HIR
 2019-06-18 22:54:51 +01:00
bors
55cee44671 Auto merge of #61612 - nnethercote:improve-parse_bottom_expr, r=petrochenkov 
Special-case literals in `parse_bottom_expr`.

This makes parsing faster, particularly for code with large constants,
for two reasons:
- it skips all the keyword comparisons for literals;
- it skips the allocation done by the `mk_expr` call in
  `parse_literal_maybe_minus`.

r? @petrochenkov
 2019-06-12 16:30:05 +00:00
bors
3f511ade5b Auto merge of #60669 - c410-f3r:attrs-fn, r=petrochenkov 
Allow attributes in formal function parameters

Implements https://github.com/rust-lang/rust/issues/60406.

This is my first contribution to the compiler and since this is a large and complex project, I am not fully aware of the consequences of the changes I have made.

**TODO**

- [x] Forbid some built-in attributes.
- [x] Expand cfg/cfg_attr
 2019-06-12 07:38:01 +00:00
Nicholas Nethercote
35b5f43770 Special-case literals in parse_bottom_expr. 
This makes parsing faster, particularly for code with large constants,
for two reasons:
- it skips all the keyword comparisons for literals;
- it replaces the unnecessary `parse_literal_maybe_minus` call with
  `parse_lit`, avoiding an unnecessary allocation via `mk_expr`.
 2019-06-10 10:04:25 +10:00
Caio
1eaaf440d5 Allow attributes in formal function parameters 2019-06-09 07:58:40 -03:00
Vadim Petrochenkov
25b05147b3 syntax: Remove Deref impl from Token 2019-06-08 22:38:23 +03:00
Vadim Petrochenkov
0ca3c2f881 syntax: Move most of the TokenKind methods to Token 2019-06-08 22:38:12 +03:00
Vadim Petrochenkov
3dbee57dae parser: Remove look_ahead_span 2019-06-07 13:57:57 +03:00
Vadim Petrochenkov
6eae6b0fe9 parser: Remove Deref impl from Parser 2019-06-07 13:52:03 +03:00
Vadim Petrochenkov
3da094319c parser: self.span -> self.token.span 2019-06-07 13:51:23 +03:00
Vadim Petrochenkov
3a31f0634b Address review comments 2019-06-06 14:04:33 +03:00
Vadim Petrochenkov
ff40e37b98 Some code cleanup and tidy/test fixes 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
67ce3f4589 syntax: Switch function parameter order in TokenTree::token 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
f745e5f9b6 syntax: Remove duplicate span from token::Ident 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
4c5d773b4d syntax: Remove duplicate span from token::Lifetime 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
5e693531ff syntax: Add some helper methods to Token 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
aa6fba98ae syntax: Use Token in Parser 2019-06-06 14:04:02 +03:00
Vadim Petrochenkov
e0127dbf81 syntax: Use Token in TokenTree::Token 2019-06-06 14:03:15 +03:00
Vadim Petrochenkov
a3425edb46 syntax: Rename TokenAndSpan into Token 2019-06-06 14:03:15 +03:00
Vadim Petrochenkov
99b27d749c syntax: Rename Token into TokenKind 2019-06-06 14:03:14 +03:00