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Rollup merge of #62651 - matthewjasper:rustc-macro-hygiene, r=petrochenkov
Make some rustc macros more hygienic
2 parents bafddd4 + 199931c commit 791ceb6

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14 files changed

+31
-40
lines changed

14 files changed

+31
-40
lines changed

‎src/librustc/lib.rs‎

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Original file line numberDiff line numberDiff line change
@@ -49,15 +49,13 @@
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#![feature(optin_builtin_traits)]
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#![feature(range_is_empty)]
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#![feature(rustc_diagnostic_macros)]
52-
#![feature(rustc_attrs)]
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#![feature(slice_patterns)]
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#![feature(specialization)]
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#![feature(unboxed_closures)]
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#![feature(thread_local)]
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#![feature(trace_macros)]
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#![feature(trusted_len)]
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#![feature(vec_remove_item)]
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#![feature(step_trait)]
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#![feature(stmt_expr_attributes)]
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#![feature(integer_atomics)]
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#![feature(test)]

‎src/librustc_data_structures/indexed_vec.rs‎

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@@ -57,12 +57,13 @@ impl Idx for u32 {
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/// `u32::MAX`. You can also customize things like the `Debug` impl,
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/// what traits are derived, and so forth via the macro.
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#[macro_export]
60+
#[allow_internal_unstable(step_trait, rustc_attrs)]
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macro_rules! newtype_index {
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// ---- public rules ----
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// Use default constants
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($(#[$attrs:meta])* $v:vis struct $name:ident { .. }) => (
65-
newtype_index!(
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$crate::newtype_index!(
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// Leave out derives marker so we can use its absence to ensure it comes first
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@attrs [$(#[$attrs])*]
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@type [$name]
@@ -74,7 +75,7 @@ macro_rules! newtype_index {
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// Define any constants
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($(#[$attrs:meta])* $v:vis struct $name:ident { $($tokens:tt)+ }) => (
77-
newtype_index!(
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$crate::newtype_index!(
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// Leave out derives marker so we can use its absence to ensure it comes first
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@attrs [$(#[$attrs])*]
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@type [$name]
@@ -258,7 +259,7 @@ macro_rules! newtype_index {
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}
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}
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261-
newtype_index!(
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$crate::newtype_index!(
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@handle_debug
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@derives [$($derives,)*]
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@type [$type]
@@ -294,7 +295,7 @@ macro_rules! newtype_index {
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@derives [$_derive:ident, $($derives:ident,)*]
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@type [$type:ident]
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@debug_format [$debug_format:tt]) => (
297-
newtype_index!(
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$crate::newtype_index!(
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@handle_debug
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@derives [$($derives,)*]
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@type [$type]
@@ -309,7 +310,7 @@ macro_rules! newtype_index {
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@debug_format [$debug_format:tt]
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derive [$($derives:ident),*]
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$($tokens:tt)*) => (
312-
newtype_index!(
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$crate::newtype_index!(
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@attrs [$(#[$attrs])*]
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@type [$type]
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@max [$max]
@@ -329,7 +330,7 @@ macro_rules! newtype_index {
329330
derive [$($derives:ident,)+]
330331
ENCODABLE = custom
331332
$($tokens:tt)*) => (
332-
newtype_index!(
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$crate::newtype_index!(
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@attrs [$(#[$attrs])*]
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@derives [$($derives,)+]
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@type [$type]
@@ -348,15 +349,15 @@ macro_rules! newtype_index {
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@debug_format [$debug_format:tt]
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derive [$($derives:ident,)+]
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$($tokens:tt)*) => (
351-
newtype_index!(
352+
$crate::newtype_index!(
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@derives [$($derives,)+ RustcEncodable,]
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@attrs [$(#[$attrs])*]
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@type [$type]
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@max [$max]
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@vis [$v]
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@debug_format [$debug_format]
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$($tokens)*);
359-
newtype_index!(@decodable $type);
360+
$crate::newtype_index!(@decodable $type);
360361
);
361362

362363
// The case where no derives are added, but encodable is overridden. Don't
@@ -368,7 +369,7 @@ macro_rules! newtype_index {
368369
@debug_format [$debug_format:tt]
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ENCODABLE = custom
370371
$($tokens:tt)*) => (
371-
newtype_index!(
372+
$crate::newtype_index!(
372373
@derives []
373374
@attrs [$(#[$attrs])*]
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@type [$type]
@@ -385,15 +386,15 @@ macro_rules! newtype_index {
385386
@vis [$v:vis]
386387
@debug_format [$debug_format:tt]
387388
$($tokens:tt)*) => (
388-
newtype_index!(
389+
$crate::newtype_index!(
389390
@derives [RustcEncodable,]
390391
@attrs [$(#[$attrs])*]
391392
@type [$type]
392393
@max [$max]
393394
@vis [$v]
394395
@debug_format [$debug_format]
395396
$($tokens)*);
396-
newtype_index!(@decodable $type);
397+
$crate::newtype_index!(@decodable $type);
397398
);
398399

399400
(@decodable $type:ident) => (
@@ -420,7 +421,7 @@ macro_rules! newtype_index {
420421
@vis [$v:vis]
421422
@debug_format [$debug_format:tt]
422423
$name:ident = $constant:expr) => (
423-
newtype_index!(
424+
$crate::newtype_index!(
424425
@derives [$($derives,)*]
425426
@attrs [$(#[$attrs])*]
426427
@type [$type]
@@ -439,7 +440,7 @@ macro_rules! newtype_index {
439440
@debug_format [$debug_format:tt]
440441
$(#[doc = $doc:expr])*
441442
const $name:ident = $constant:expr) => (
442-
newtype_index!(
443+
$crate::newtype_index!(
443444
@derives [$($derives,)*]
444445
@attrs [$(#[$attrs])*]
445446
@type [$type]
@@ -458,7 +459,7 @@ macro_rules! newtype_index {
458459
@debug_format [$debug_format:tt]
459460
MAX = $max:expr,
460461
$($tokens:tt)*) => (
461-
newtype_index!(
462+
$crate::newtype_index!(
462463
@derives [$($derives,)*]
463464
@attrs [$(#[$attrs])*]
464465
@type [$type]
@@ -477,7 +478,7 @@ macro_rules! newtype_index {
477478
@debug_format [$_debug_format:tt]
478479
DEBUG_FORMAT = $debug_format:tt,
479480
$($tokens:tt)*) => (
480-
newtype_index!(
481+
$crate::newtype_index!(
481482
@derives [$($derives,)*]
482483
@attrs [$(#[$attrs])*]
483484
@type [$type]
@@ -499,7 +500,7 @@ macro_rules! newtype_index {
499500
$($tokens:tt)*) => (
500501
$(#[doc = $doc])*
501502
pub const $name: $type = $type::from_u32_const($constant);
502-
newtype_index!(
503+
$crate::newtype_index!(
503504
@derives [$($derives,)*]
504505
@attrs [$(#[$attrs])*]
505506
@type [$type]

‎src/librustc_lint/error_codes.rs‎

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@@ -1,4 +1,4 @@
1-
use syntax::{register_diagnostic, register_diagnostics};
1+
use syntax::register_diagnostics;
22

33
register_diagnostics! {
44
E0721, // `await` keyword

‎src/librustc_metadata/error_codes.rs‎

Lines changed: 1 addition & 1 deletion
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@@ -1,6 +1,6 @@
11
#![allow(non_snake_case)]
22

3-
use syntax::{register_diagnostic, register_diagnostics, register_long_diagnostics};
3+
use syntax::{register_diagnostics, register_long_diagnostics};
44

55
register_long_diagnostics! {
66
E0454: r##"

‎src/librustc_mir/lib.rs‎

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@@ -15,12 +15,10 @@ Rust MIR: a lowered representation of Rust. Also: an experiment!
1515
#![feature(decl_macro)]
1616
#![feature(exhaustive_patterns)]
1717
#![feature(rustc_diagnostic_macros)]
18-
#![feature(rustc_attrs)]
1918
#![feature(never_type)]
2019
#![feature(specialization)]
2120
#![feature(try_trait)]
2221
#![feature(unicode_internals)]
23-
#![feature(step_trait)]
2422
#![feature(slice_concat_ext)]
2523
#![feature(trusted_len)]
2624
#![feature(try_blocks)]

‎src/librustc_passes/error_codes.rs‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
#![allow(non_snake_case)]
22

3-
use syntax::{register_diagnostic, register_diagnostics, register_long_diagnostics};
3+
use syntax::{register_diagnostics, register_long_diagnostics};
44

55
register_long_diagnostics! {
66
/*

‎src/librustc_plugin/error_codes.rs‎

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
#![allow(non_snake_case)]
22

3-
use syntax::{register_diagnostic, register_diagnostics, register_long_diagnostics};
3+
use syntax::{register_diagnostics, register_long_diagnostics};
44

55
register_long_diagnostics! {
66

‎src/librustc_resolve/error_codes.rs‎

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Original file line numberDiff line numberDiff line change
@@ -1,6 +1,6 @@
11
#![allow(non_snake_case)]
22

3-
use syntax::{register_diagnostic, register_diagnostics, register_long_diagnostics};
3+
use syntax::{register_diagnostics, register_long_diagnostics};
44

55
// Error messages for EXXXX errors. Each message should start and end with a
66
// new line, and be wrapped to 80 characters. In vim you can `:set tw=80` and

‎src/librustc_target/abi/mod.rs‎

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Original file line numberDiff line numberDiff line change
@@ -6,6 +6,7 @@ use crate::spec::Target;
66
use std::fmt;
77
use std::ops::{Add, Deref, Sub, Mul, AddAssign, Range, RangeInclusive};
88

9+
use rustc_data_structures::newtype_index;
910
use rustc_data_structures::indexed_vec::{Idx, IndexVec};
1011
use syntax_pos::symbol::{sym, Symbol};
1112

‎src/librustc_target/lib.rs‎

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Original file line numberDiff line numberDiff line change
@@ -11,9 +11,7 @@
1111

1212
#![feature(box_syntax)]
1313
#![feature(nll)]
14-
#![feature(rustc_attrs)]
1514
#![feature(slice_patterns)]
16-
#![feature(step_trait)]
1715

1816
#![deny(rust_2018_idioms)]
1917
#![deny(unused_lifetimes)]
@@ -23,8 +21,5 @@
2321
#[allow(unused_extern_crates)]
2422
extern crate serialize as rustc_serialize; // used by deriving
2523

26-
#[macro_use]
27-
extern crate rustc_data_structures;
28-
2924
pub mod abi;
3025
pub mod spec;

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