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88 Commits

Author SHA1 Message Date
Matthias Krüger
3837df2992 don't clone types that are copy (clippy::clone_on_copy) 2020-04-16 00:17:38 +02:00
Matthias Krüger
9bba047c2e Use if let instead of match when only matching a single variant (clippy::single_match) 
Makes code more compact and reduces nestig.
 2020-03-30 10:52:29 +02:00
Amanieu d'Antras
d162d096dd Rename asm! to llvm_asm! 
asm! is left as a wrapper around llvm_asm! to maintain compatibility.
 2020-03-26 15:49:22 +00:00
Esteban Küber
f18a6dcec0 Rename def_span to guess_head_span 2020-03-25 16:45:12 -07:00
Mazdak Farrokhzad
3979964200 defatalize expand_test_or_bench 2020-03-24 06:28:56 +01:00
Mazdak Farrokhzad
0e0f9311da defatalize get_test_runner 2020-03-24 06:28:56 +01:00
Mazdak Farrokhzad
b7909b22b5 nix remaining rustc_expand::panictry! uses. 2020-03-24 06:28:55 +01:00
Mazdak Farrokhzad
c984a96189
Rollup merge of #70269 - matthiaskrgr:clippy_closures, r=Dylan-DPC 
remove redundant closures (clippy::redundant_closure)
 2020-03-23 04:26:15 +01:00
Mazdak Farrokhzad
8dda61792b
Rollup merge of #70248 - Centril:unroot, r=petrochenkov 
parser: simplify & remove unused field

r? @petrochenkov
 2020-03-23 04:26:12 +01:00
Dylan DPC
69c0bcd3d5
Rollup merge of #70266 - petrochenkov:prochead, r=varkor 
proc_macro_harness: Use item header spans for errors

Addresses https://github.com/rust-lang/rust/pull/70233#discussion_r396043004.
 2020-03-22 15:48:43 +01:00
Matthias Krüger
263cbd1bbe remove redundant closures (clippy::redundant_closure) 2020-03-22 12:43:19 +01:00
Vadim Petrochenkov
bdd07f932b proc_macro_harness: Use item header spans for errors 2020-03-22 12:59:32 +03:00
Mazdak Farrokhzad
eaa0ae503f parse: nix new_sub_parser_from_file 2020-03-22 00:35:20 +01:00
Mazdak Farrokhzad
d18ed205c9 parse: nix unused root_module_name. 2020-03-21 22:51:03 +01:00
Matthias Krüger
1dcbdbdf4f use let instead of match for matches with single bindings (clippy::match_single_binding) 2020-03-21 15:54:14 +01:00
Mazdak Farrokhzad
3e6b1ac964
Rollup merge of #70187 - matthiaskrgr:cl2ppy, r=Mark-Simulacrum 
more clippy fixes

    * remove redundant returns (clippy::needless_return)
    * remove redundant import (clippy::single_component_path_imports)
    * remove redundant format!() call (clippy::useless_format)
    * don't use ok() before calling expect() (clippy::ok_expect)
 2020-03-21 05:33:31 +01:00
Matthias Krüger
ad00e91887 remove redundant returns (clippy::needless_return) 2020-03-20 20:23:03 +01:00
Mazdak Farrokhzad
0d018a5755 expand_include: set .directory to dir of included file. 2020-03-20 17:39:29 +01:00
Mazdak Farrokhzad
5ee4f6f660 fix pre-expansion linting infra 2020-03-18 15:08:25 +01:00
Mazdak Farrokhzad
83a757a9ca outline modules: parse -> expand. 2020-03-18 15:08:25 +01:00
Mazdak Farrokhzad
9fc5c2d00d
Rollup merge of #69870 - petrochenkov:cfgacc, r=matthewjasper 
expand: Implement something similar to `#[cfg(accessible(path))]`

cc https://github.com/rust-lang/rust/issues/64797

The feature is implemented as a `#[cfg_accessible(path)]` attribute macro rather than as `#[cfg(accessible(path))]` because it needs to wait until `path` becomes resolvable, and `cfg` cannot wait, but macros can wait.

Later we can think about desugaring or not desugaring `#[cfg(accessible(path))]` into `#[cfg_accessible(path)]`.

This implementation is also incomplete in the sense that it never returns "false" from `cfg_accessible(path)`, it requires some tweaks to resolve, which is not quite ready to answer queries like this during early resolution.

However, the most important part of this PR is not `cfg_accessible` itself, but expansion infrastructure for retrying expansions.
Before this PR we could say "we cannot resolve this macro path, let's try it later", with this PR we can say "we cannot expand this macro, let's try it later" as well.

This is a pre-requisite for
- turning `#[derive(...)]` into a regular attribute macro,
- properly supporting eager expansion for macros that cannot yet be resolved like
    ```
    fn main() {
        println!(not_available_yet!());
    }

    macro_rules! make_available {
        () => { #[macro_export] macro_rules! not_available_yet { () => { "Hello world!" } }}
    }

    make_available!();
    ```
 2020-03-17 03:05:12 +01:00
Vadim Petrochenkov
e809e0214e ast: Mac/Macro -> MacCall 2020-03-12 22:26:52 +03:00
Vadim Petrochenkov
2e6528961c builtin_macros: Add attribute macro #[cfg_accessible(path)] 2020-03-10 01:02:13 +03:00
Vadim Petrochenkov
552a8875bd expand: Implement support for retrying macro expansions 2020-03-10 00:56:09 +03:00
Vadim Petrochenkov
eafeb9a267 expand/builtin_macros: Minor cleanup 2020-03-09 20:50:48 +03:00
Vadim Petrochenkov
925e9a2188 rustc_parse: Use Token::ident where possible 2020-03-09 12:42:41 +03:00
Mazdak Farrokhzad
24757a82f1
Rollup merge of #69548 - LeSeulArtichaut:assert-errors, r=petrochenkov 
Turn trailing tokens in `assert!()` into hard errors

I didn't have time to build the compiler and thus edited the tests manually, I hope it will still pass.

Closes #69531
r? @Centril do you want to queue the Crater experiment?
 2020-03-08 11:51:09 +01:00
Mazdak Farrokhzad
10f999b72d
Rollup merge of #69773 - matthiaskrgr:typos, r=petrochenkov 
fix various typos
 2020-03-07 17:27:32 +01:00
LeSeulArtichaut
33ebc20513 Turn trailing tokens in assert!() into hard errors 2020-03-06 22:02:20 +01:00
Matthias Krüger
83980aca20 Don't redundantly repeat field names (clippy::redundant_field_names) 2020-03-06 19:42:18 +01:00
Matthias Krüger
136ad015b6 fix various typos 2020-03-06 15:19:31 +01:00
Matthias Krüger
8ba92d9ce4 Use more efficient &&str to String conversion (clippy::inefficient_to_string) 2020-03-05 16:39:20 +01:00
Matthias Krüger
3fc5c118dd Use righthand '&' instead of lefthand "ref". (clippy::toplevel_ref_arg) 2020-03-05 16:39:12 +01:00
Matthias Krüger
21affdd00d use values() or keys() respectively when iterating only over keys or values of maps. 2020-03-02 13:01:05 +01:00
Yuki Okushi
680a0e1dd5
Rollup merge of #69580 - matthiaskrgr:map_clone, r=Centril 
use .copied() instead of .map(|x| *x) on iterators
 2020-03-01 19:28:12 +09:00
Yuki Okushi
4439bb09aa
Rollup merge of #69579 - petrochenkov:noprevspan, r=Centril 
parser: Remove `Parser::prev_span`

Follow-up to https://github.com/rust-lang/rust/pull/69384.
r? @Centril
 2020-03-01 19:28:10 +09:00
bors
2917d99302 Auto merge of #69592 - petrochenkov:nosyntax, r=Centril 
Rename `libsyntax` to `librustc_ast`

This was the last rustc crate that wasn't following the `rustc_*` naming convention.

Follow-up to https://github.com/rust-lang/rust/pull/67763.
 2020-03-01 01:36:58 +00:00
Vadim Petrochenkov
e08c279eac Rename syntax to rustc_ast in source code 2020-02-29 21:59:09 +03:00
Dylan DPC
7d43997053
Rollup merge of #69572 - matthiaskrgr:try_err_and_iter_on_ref, r=Centril 
use .iter() instead of .into_iter() on references
 2020-02-29 18:54:01 +01:00
Vadim Petrochenkov
6054a30370 Make it build again 2020-02-29 20:47:10 +03:00
Matthias Krüger
c9a02c2e42 use .copied() instead of .map(|x| *x) on iterators 2020-02-29 15:23:13 +01:00
Vadim Petrochenkov
d0ba4387c2 parser: prev_span -> prev_token.span 2020-02-29 14:57:14 +03:00
Matthias Krüger
de7c40c168 use .iter() instead of .into_iter() on references. 2020-02-29 03:14:01 +01:00
Dylan DPC
c8db7dcc1c
Rollup merge of #69551 - matthiaskrgr:len_zero, r=Mark-Simulacrum 
use is_empty() instead of len() == x  to determine if structs are empty.
 2020-02-29 02:16:21 +01:00
Dylan DPC
ba2df27525
Rollup merge of #69546 - matthiaskrgr:slice_to_vec, r=davidtwco,nagisa 
use to_vec() instead of .iter().cloned().collect() to convert slices to vecs.
 2020-02-29 02:16:20 +01:00
Mazdak Farrokhzad
07d9ed2c09
Rollup merge of #69481 - matthiaskrgr:single_char, r=ecstatic-morse 
use char instead of &str for single char patterns
 2020-02-28 17:17:30 +01:00
Matthias Krüger
9523c89f18 use is_empty() instead of len() == x to determine if structs are empty. 2020-02-28 15:16:27 +01:00
Matthias Krüger
0c5d497603 use to_vec() instead of .iter().cloned().collect() to convert slices to vecs. 2020-02-28 13:21:25 +01:00
Matthias Krüger
7c84ba1124 use char instead of &str for single char patterns 2020-02-27 14:57:22 +01:00
Vadim Petrochenkov
b2605c118d parser: token -> normalized_token, nonnormalized_token -> token 2020-02-24 13:04:13 +03:00