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1340 commits

Author SHA1 Message Date
varkor
c28ce3e4ca Replace "existential" by "opaque" 2019-08-02 02:44:36 +01:00
Mazdak Farrokhzad
758931948f Unsupport the await!(..) macro. 2019-07-30 10:55:45 +02:00
Mazdak Farrokhzad
75e23ff411
Rollup merge of #62550 - Centril:rest-patterns, r=petrochenkov 
Implement RFC 2707 + Parser recovery for range patterns

Implement https://github.com/rust-lang/rfcs/pull/2707.

- Add a new basic syntactic pattern form `ast::PatKind::Rest` (parsed as `..` or `DOTDOT`) and simplify `ast::PatKind::{Slice, Tuple, TupleStruct}` as a result.

- Lower `ast::PatKind::Rest` in combination with the aforementioned `PatKind` variants as well as `PatKind::Ident`. The HIR remains unchanged for now (may be advisable to make slight adjustments later).

- Refactor `parser.rs` wrt. parsing sequences and lists of things in the process.

- Add parser recovery for range patterns of form `X..`, `X..=`, `X...`, `..Y`, `..=Y`, and `...Y`.
   This should make it easy to actually support these patterns semantically later if we so desire.

cc https://github.com/rust-lang/rust/issues/62254

r? @petrochenkov
 2019-07-28 11:11:04 +02:00
Mazdak Farrokhzad
b02941f2a6 Adjust pretty printing accordingly. 2019-07-28 06:53:38 +02:00
Mazdak Farrokhzad
f7c75cc11a Add 'ast::PatKind::Rest'. 2019-07-28 06:53:38 +02:00
Vadim Petrochenkov
4d535bdf59 Move standard library injection into libsyntax_ext 2019-07-27 13:56:54 +03:00
Vadim Petrochenkov
0cdd18d0a7 pprust: Support macro macros 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
a2a1cd1864 pprust: Fix formatting regressions from the previous commits 
Fix some remaining cases of bad formatting
Update some failing tests
 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
75896011dc pprust: Do not convert attributes into MetaItems for printing 
Fixes https://github.com/rust-lang/rust/issues/62628
 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
160c40bc88 pprust: Remove the box from print_tts 
Wrap the whole attribute into a box instead
 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
11585b598c pprust: Use print_mac_common for delimited token groups 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
23c5c1bfe7 pprust: Use print_mac_common for attributes 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
500b00127b pprust: Use print_mac_common for macro_rules definitions 2019-07-15 12:42:07 +03:00
Vadim Petrochenkov
65a714a6a0 pprust: Move some methods to the PrintState trait 
So that path and macro argument printing code can be shared
 2019-07-15 12:42:07 +03:00
Esteban Küber
726aa1437f Use snippet instead of pprinting statement 2019-07-12 14:01:13 -07:00
Vadim Petrochenkov
e38106599a Address review comments 2019-07-11 12:34:57 +03:00
Vadim Petrochenkov
af26e7f4f4 pretty-print: Merge print_tts and print_tts_ext 2019-07-11 12:08:29 +03:00
Vadim Petrochenkov
da50d59881 pretty-print: Do not lose the $crate printing flag in print_tt 2019-07-11 12:07:35 +03:00
Mark Rousskov
56a9237b59 File is now short enough for tidy 2019-07-10 07:13:59 -04:00
Mark Rousskov
096cb4137d Remove writer function from PrintState 2019-07-10 07:13:57 -04:00
Mark Rousskov
73c1752b8e Use constant instead of magic number 2019-07-10 07:13:22 -04:00
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
Mark Rousskov
e91dbc5916 Rename is_bol -> is_beginning_of_line 
Also moves it to pp::Printer from PrintState.
 2019-07-10 07:12:29 -04:00
Mark Rousskov
39aa9bf730 Remove needless indirection in bclose 2019-07-10 07:12:29 -04:00
Mark Rousskov
04b80a5f5d Drop length from Token::String 
It was always set to the string's length
 2019-07-10 07:12:29 -04:00
Mark Rousskov
4783d9eaa5 Remove is_begin/is_end functions from PrintState 
These are somewhat ambiguous (beginning/end of what?) so it's better to
inline their one use into the code.
 2019-07-10 07:12:29 -04:00
Mark Rousskov
00ca508608 Move pp::Printer out field to owned String 
This enforces that eof() must be called to get the String out, and
generally is better from an API perspective. No users of pretty printing
pre-allocate the buffer.
 2019-07-10 07:12:28 -04:00
Mark Rousskov
e0ffa7c3d2 Inline State::new_from_input in pprust 
This function took too many arguments and are simple on the inside;
inlining them makes complexity go down.

hir::print's copy is unfortunately used from librustc_driver so inlining
it is not as straightforward.
 2019-07-10 07:12:28 -04:00
Mark Rousskov
e0db2e606c print_crate returns String instead of taking an out pointer 2019-07-10 07:12:28 -04:00
Mark Rousskov
7e3791469f Replace src: &mut dyn Read with String 2019-07-10 07:12:28 -04:00
Mark Rousskov
0eb2e566c1 Combine comment-handling logic into struct 
This also permits sharing the underlying code between pprust and
hir::print.
 2019-07-10 07:12:28 -04:00
Mark Rousskov
9b5e39723d Inline State::new 
There was only one callsite for each and this removes the
unwrap_or_default's on the comments argument
 2019-07-10 07:12:28 -04:00
Mark Rousskov
59b161c7c8 Stop Option-wrapping comments 
We always check against the length before indexing anyway.
 2019-07-10 07:12:28 -04:00
Mark Rousskov
a573d143a2 Remove unused boxes vector 2019-07-10 07:12:28 -04:00
Mark Rousskov
4483980285 Privatize and remove unused functions 2019-07-10 07:12:26 -04:00
Mark Rousskov
11d521676f Move lifetime_to_string to Display impl 2019-07-10 07:11:29 -04:00
Mark Rousskov
a440337e2b Remove unused arm_to_string 2019-07-10 07:11:29 -04:00
Mark Rousskov
0f10d114e4 Remove duplicate attr_to_string 
attribute_to_string exists.
 2019-07-10 07:11:29 -04:00
Mark Rousskov
9b0ebfa4e9 Move literal_to_string to fmt::Display 2019-07-10 07:11:29 -04:00
Vadim Petrochenkov
4344a90308 Pretty-print $crate as crate/::my_crate in tokens 
...but only if those tokens are printed from inside of AST pretty-printing.
 2019-07-09 22:17:44 +03:00
Mark Rousskov
d26c4b7bd6 Inline rust_printer 2019-06-29 09:10:17 -04:00
Mark Rousskov
ff27756a1c Remove unused import 2019-06-29 09:10:17 -04:00
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
Mark Rousskov
1aff8af213 Replace pretty-printer Box<dyn Write> with &mut String 2019-06-29 09:10:15 -04:00
Mark Rousskov
209bde16c5 Delete now-unused methods 2019-06-29 09:09:32 -04:00
Mark Rousskov
e2d7df5067 Privatize a bunch of methods 2019-06-29 09:09:31 -04:00
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