Auto merge of #87772 - npmccallum:naked_abi, r=Amanieu

[rust.git] / compiler / rustc_expand / src / base.rs

diff --git a/compiler/rustc_expand/src/base.rs b/compiler/rustc_expand/src/base.rs
index 8c6aef80635cf596c26137255496d728139ef303..b454737fb8077db26141b7af2738028004327eaa 100644 (file)
--- a/compiler/rustc_expand/src/base.rs
+++ b/compiler/rustc_expand/src/base.rs
@@ -1,6 +1,7 @@
 use crate::expand::{self, AstFragment, Invocation};
 use crate::module::DirOwnership;
 
+use rustc_ast::attr::MarkedAttrs;
 use rustc_ast::ptr::P;
 use rustc_ast::token::{self, Nonterminal};
 use rustc_ast::tokenstream::{CanSynthesizeMissingTokens, TokenStream};
@@ -928,6 +929,7 @@ pub struct ExpansionData {
     pub prior_type_ascription: Option<(Span, bool)>,
     /// Some parent node that is close to this macro call
     pub lint_node_id: NodeId,
+    pub is_trailing_mac: bool,
 }
 
 type OnExternModLoaded<'a> =
@@ -951,6 +953,10 @@ pub struct ExtCtxt<'a> {
     ///
     /// `Ident` is the module name.
     pub(super) extern_mod_loaded: OnExternModLoaded<'a>,
+    /// When we 'expand' an inert attribute, we leave it
+    /// in the AST, but insert it here so that we know
+    /// not to expand it again.
+    pub(super) expanded_inert_attrs: MarkedAttrs,
 }
 
 impl<'a> ExtCtxt<'a> {
@@ -974,9 +980,11 @@ pub fn new(
                 dir_ownership: DirOwnership::Owned { relative: None },
                 prior_type_ascription: None,
                 lint_node_id: ast::CRATE_NODE_ID,
+                is_trailing_mac: false,
             },
             force_mode: false,
             expansions: FxHashMap::default(),
+            expanded_inert_attrs: MarkedAttrs::new(),
         }
     }