New upstream version 1.40.0+dfsg1

[rustc.git] / src / libsyntax / feature_gate / builtin_attrs.rs

diff --git a/src/libsyntax/feature_gate/builtin_attrs.rs b/src/libsyntax/feature_gate/builtin_attrs.rs
index b6e13200f32af19d391311b12885ff3a1ced24d1..eb811c3e0ff9b590ba03e9dabf0d1f8729ee437f 100644 (file)
--- a/src/libsyntax/feature_gate/builtin_attrs.rs
+++ b/src/libsyntax/feature_gate/builtin_attrs.rs
@@ -9,8 +9,8 @@ use super::active::Features;
 
 use crate::ast;
 use crate::attr::AttributeTemplate;
+use crate::sess::ParseSess;
 use crate::symbol::{Symbol, sym};
-use crate::parse::ParseSess;
 
 use syntax_pos::Span;
 use rustc_data_structures::fx::FxHashMap;
@@ -29,8 +29,8 @@ const GATED_CFGS: &[(Symbol, Symbol, GateFn)] = &[
     // (name in cfg, feature, function to check if the feature is enabled)
     (sym::target_thread_local, sym::cfg_target_thread_local, cfg_fn!(cfg_target_thread_local)),
     (sym::target_has_atomic, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)),
+    (sym::target_has_atomic_load_store, sym::cfg_target_has_atomic, cfg_fn!(cfg_target_has_atomic)),
     (sym::rustdoc, sym::doc_cfg, cfg_fn!(doc_cfg)),
-    (sym::doctest, sym::cfg_doctest, cfg_fn!(cfg_doctest)),
 ];
 
 #[derive(Debug)]
@@ -251,6 +251,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     ungated!(path, Normal, template!(NameValueStr: "file")),
     ungated!(no_std, CrateLevel, template!(Word)),
     ungated!(no_implicit_prelude, Normal, template!(Word)),
+    ungated!(non_exhaustive, Whitelisted, template!(Word)),
 
     // Runtime
     ungated!(windows_subsystem, Whitelisted, template!(NameValueStr: "windows|console")),
@@ -276,12 +277,35 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         "the `link_args` attribute is experimental and not portable across platforms, \
         it is recommended to use `#[link(name = \"foo\")] instead",
     ),
+    gated!(
+        link_ordinal, Whitelisted, template!(List: "ordinal"), raw_dylib,
+        experimental!(link_ordinal)
+    ),
 
     // Plugins:
-    ungated!(plugin_registrar, Normal, template!(Word)),
-    gated!(
-        plugin, CrateLevel, template!(List: "name|name(args)"),
-        "compiler plugins are experimental and possibly buggy",
+    (
+        sym::plugin_registrar, Normal, template!(Word),
+        Gated(
+            Stability::Deprecated(
+                "https://github.com/rust-lang/rust/pull/64675",
+                Some("may be removed in a future compiler version"),
+            ),
+            sym::plugin_registrar,
+            "compiler plugins are deprecated",
+            cfg_fn!(plugin_registrar)
+        )
+    ),
+    (
+        sym::plugin, CrateLevel, template!(List: "name|name(args)"),
+        Gated(
+            Stability::Deprecated(
+                "https://github.com/rust-lang/rust/pull/64675",
+                Some("may be removed in a future compiler version"),
+            ),
+            sym::plugin,
+            "compiler plugins are deprecated",
+            cfg_fn!(plugin)
+        )
     ),
 
     // Testing:
@@ -290,9 +314,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         test_runner, CrateLevel, template!(List: "path"), custom_test_frameworks,
         "custom test frameworks are an unstable feature",
     ),
-
-    // RFC #2008
-    gated!(non_exhaustive, Whitelisted, template!(Word), experimental!(non_exhaustive)),
     // RFC #1268
     gated!(marker, Normal, template!(Word), marker_trait_attr, experimental!(marker)),
     gated!(
@@ -307,6 +328,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     ),
 
     gated!(ffi_returns_twice, Whitelisted, template!(Word), experimental!(ffi_returns_twice)),
+    gated!(track_caller, Whitelisted, template!(Word), experimental!(track_caller)),
 
     // ==========================================================================
     // Internal attributes: Stability, deprecation, and unsafe:
@@ -457,7 +479,6 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     // ==========================================================================
     // Internal attributes, Misc:
     // ==========================================================================
-
     gated!(
         lang, Normal, template!(NameValueStr: "name"), lang_items,
         "language items are subject to change",
@@ -498,6 +519,10 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
         overflow checking behavior of several libcore functions that are inlined \
         across crates and will never be stable",
     ),
+    rustc_attr!(rustc_reservation_impl, Normal, template!(NameValueStr: "reservation message"),
+                "the `#[rustc_reservation_impl]` attribute is internally used \
+                 for reserving for `for<T> From<!> for T` impl"
+    ),
     rustc_attr!(
         rustc_test_marker, Normal, template!(Word),
         "the `#[rustc_test_marker]` attribute is used internally to track tests",