Format librustc_feature

Use #[rustfmt::skip] on the tidy-parsed macro invocations

rustfmt.toml

@@ -10,10 +10,6 @@ ignore = [
     # (and generally rustfmt can move around comments in UI-testing incompatible ways)
     "src/test",
 
-    # tidy issues (line length, etc.)
-    # to be fixed shortly
-    "src/librustc_feature",
-
     # do not format submodules
     "src/doc/book",
     "src/doc/edition-guide",

src/librustc_feature/accepted.rs

@@ -1,6 +1,6 @@
 //! List of the accepted feature gates.
 
-use super::{State, Feature};
+use super::{Feature, State};
 use syntax_pos::symbol::sym;
 
 macro_rules! declare_features {
@@ -23,6 +23,7 @@ macro_rules! declare_features {
     }
 }
 
+#[rustfmt::skip]
 declare_features! (
     // -------------------------------------------------------------------------
     // feature-group-start: for testing purposes

src/librustc_feature/active.rs

@@ -1,10 +1,10 @@
 //! List of the active feature gates.
 
-use super::{State, Feature};
+use super::{Feature, State};
 
 use syntax_pos::edition::Edition;
+use syntax_pos::symbol::{sym, Symbol};
 use syntax_pos::Span;
-use syntax_pos::symbol::{Symbol, sym};
 
 macro_rules! set {
     ($field: ident) => {{
@@ -12,7 +12,7 @@ macro_rules! set {
             features.$field = true;
         }
         f as fn(&mut Features, Span)
-    }}
+    }};
 }
 
 macro_rules! declare_features {
@@ -72,7 +72,7 @@ impl Feature {
     pub fn set(&self, features: &mut Features, span: Span) {
         match self.state {
             State::Active { set } => set(features, span),
-            _ => panic!("called `set` on feature `{}` which is not `active`", self.name)
+            _ => panic!("called `set` on feature `{}` which is not `active`", self.name),
         }
     }
 }
@@ -91,6 +91,7 @@ impl Feature {
 // N.B., `tools/tidy/src/features.rs` parses this information directly out of the
 // source, so take care when modifying it.
 
+#[rustfmt::skip]
 declare_features! (
     // -------------------------------------------------------------------------
     // feature-group-start: internal feature gates

src/librustc_feature/builtin_attrs.rs

@@ -1,20 +1,20 @@
 //! Built-in attributes and `cfg` flag gating.
 
-use AttributeType::*;
 use AttributeGate::*;
+use AttributeType::*;
 
 use crate::{Features, Stability};
 
-use rustc_data_structures::fx::FxHashMap;
-use syntax_pos::symbol::{Symbol, sym};
 use lazy_static::lazy_static;
+use rustc_data_structures::fx::FxHashMap;
+use syntax_pos::symbol::{sym, Symbol};
 
 type GateFn = fn(&Features) -> bool;
 
 macro_rules! cfg_fn {
     ($field: ident) => {
-        (|features| { features.$field }) as GateFn
-    }
+        (|features| features.$field) as GateFn
+    };
 }
 
 pub type GatedCfg = (Symbol, Symbol, GateFn);
@@ -66,9 +66,10 @@ pub enum AttributeGate {
 impl std::fmt::Debug for AttributeGate {
     fn fmt(&self, fmt: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         match *self {
-            Self::Gated(ref stab, name, expl, _) =>
-                write!(fmt, "Gated({:?}, {}, {})", stab, name, expl),
-            Self::Ungated => write!(fmt, "Ungated")
+            Self::Gated(ref stab, name, expl, _) => {
+                write!(fmt, "Gated({:?}, {}, {})", stab, name, expl)
+            }
+            Self::Ungated => write!(fmt, "Ungated"),
         }
     }
 }
@@ -135,22 +136,31 @@ macro_rules! gated {
 macro_rules! rustc_attr {
     (TEST, $attr:ident, $typ:expr, $tpl:expr $(,)?) => {
         rustc_attr!(
-            $attr, $typ, $tpl,
-            concat!("the `#[", stringify!($attr), "]` attribute is just used for rustc unit tests \
+            $attr,
+            $typ,
+            $tpl,
+            concat!(
+                "the `#[",
+                stringify!($attr),
+                "]` attribute is just used for rustc unit tests \
                 and will never be stable",
             ),
         )
     };
     ($attr:ident, $typ:expr, $tpl:expr, $msg:expr $(,)?) => {
-        (sym::$attr, $typ, $tpl,
-         Gated(Stability::Unstable, sym::rustc_attrs, $msg, cfg_fn!(rustc_attrs)))
+        (
+            sym::$attr,
+            $typ,
+            $tpl,
+            Gated(Stability::Unstable, sym::rustc_attrs, $msg, cfg_fn!(rustc_attrs)),
+        )
     };
 }
 
 macro_rules! experimental {
     ($attr:ident) => {
         concat!("the `#[", stringify!($attr), "]` attribute is an experimental feature")
-    }
+    };
 }
 
 const IMPL_DETAIL: &str = "internal implementation detail";
@@ -159,6 +169,7 @@ const INTERNAL_UNSTABLE: &str = "this is an internal attribute that will never b
 pub type BuiltinAttribute = (Symbol, AttributeType, AttributeTemplate, AttributeGate);
 
 /// Attributes that have a special meaning to rustc or rustdoc.
+#[rustfmt::skip]
 pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     // ==========================================================================
     // Stable attributes:

src/librustc_feature/lib.rs

@@ -11,13 +11,13 @@
 //! symbol to the `accepted` or `removed` modules respectively.
 
 mod accepted;
-mod removed;
 mod active;
 mod builtin_attrs;
+mod removed;
 
 use std::fmt;
 use std::num::NonZeroU32;
-use syntax_pos::{Span, edition::Edition, symbol::Symbol};
+use syntax_pos::{edition::Edition, symbol::Symbol, Span};
 
 #[derive(Clone, Copy)]
 pub enum State {
@@ -43,7 +43,7 @@ pub struct Feature {
     pub state: State,
     pub name: Symbol,
     pub since: &'static str,
-    issue: Option<u32>,  // FIXME: once #58732 is done make this an Option<NonZeroU32>
+    issue: Option<u32>, // FIXME: once #58732 is done make this an Option<NonZeroU32>
     pub edition: Option<Edition>,
     description: &'static str,
 }
@@ -72,7 +72,7 @@ pub enum UnstableFeatures {
     /// during the build that feature-related lints are set to warn or above
     /// because the build turns on warnings-as-errors and uses lots of unstable
     /// features. As a result, this is always required for building Rust itself.
-    Cheat
+    Cheat,
 }
 
 impl UnstableFeatures {
@@ -84,7 +84,7 @@ impl UnstableFeatures {
         match (disable_unstable_features, bootstrap) {
             (_, true) => UnstableFeatures::Cheat,
             (true, _) => UnstableFeatures::Disallow,
-            (false, _) => UnstableFeatures::Allow
+            (false, _) => UnstableFeatures::Allow,
         }
     }
 
@@ -117,7 +117,7 @@ fn find_lang_feature_issue(feature: Symbol) -> Option<NonZeroU32> {
 
 pub enum GateIssue {
     Language,
-    Library(Option<NonZeroU32>)
+    Library(Option<NonZeroU32>),
 }
 
 pub fn find_feature_issue(feature: Symbol, issue: GateIssue) -> Option<NonZeroU32> {
@@ -128,10 +128,9 @@ pub fn find_feature_issue(feature: Symbol, issue: GateIssue) -> Option<NonZeroU3
 }
 
 pub use accepted::ACCEPTED_FEATURES;
-pub use active::{ACTIVE_FEATURES, Features, INCOMPLETE_FEATURES};
-pub use removed::{REMOVED_FEATURES, STABLE_REMOVED_FEATURES};
+pub use active::{Features, ACTIVE_FEATURES, INCOMPLETE_FEATURES};
 pub use builtin_attrs::{
-    AttributeGate, AttributeTemplate, AttributeType, find_gated_cfg, GatedCfg,
-    BuiltinAttribute, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,
-    deprecated_attributes, is_builtin_attr_name,
+    deprecated_attributes, find_gated_cfg, is_builtin_attr_name, AttributeGate, AttributeTemplate,
+    AttributeType, BuiltinAttribute, GatedCfg, BUILTIN_ATTRIBUTES, BUILTIN_ATTRIBUTE_MAP,
 };
+pub use removed::{REMOVED_FEATURES, STABLE_REMOVED_FEATURES};

src/librustc_feature/removed.rs

@@ -1,6 +1,6 @@
 //! List of the removed feature gates.
 
-use super::{State, Feature};
+use super::{Feature, State};
 use syntax_pos::symbol::sym;
 
 macro_rules! declare_features {
@@ -41,6 +41,7 @@ macro_rules! declare_features {
     };
 }
 
+#[rustfmt::skip]
 declare_features! (
     // -------------------------------------------------------------------------
     // feature-group-start: removed features
@@ -111,6 +112,7 @@ declare_features! (
     // -------------------------------------------------------------------------
 );
 
+#[rustfmt::skip]
 declare_features! (
     (stable_removed, no_stack_check, "1.0.0", None, None),
 );