Auto merge of #106745 - m-ou-se:format-args-ast, r=oli-obk

[rust.git] / compiler / rustc_hir / src / hir.rs

diff --git a/compiler/rustc_hir/src/hir.rs b/compiler/rustc_hir/src/hir.rs
index d6566860f8170a96d25bb96f3d2e08a56c88b6fc..5a620263e4299a2b51fb9f4c032196f22e597534 100644 (file)
--- a/compiler/rustc_hir/src/hir.rs
+++ b/compiler/rustc_hir/src/hir.rs
@@ -2117,6 +2117,8 @@ pub enum MatchSource {
     TryDesugar,
     /// A desugared `<expr>.await`.
     AwaitDesugar,
+    /// A desugared `format_args!()`.
+    FormatArgs,
 }
 
 impl MatchSource {
@@ -2128,6 +2130,7 @@ pub const fn name(self) -> &'static str {
             ForLoopDesugar => "for",
             TryDesugar => "?",
             AwaitDesugar => ".await",
+            FormatArgs => "format_args!()",
         }
     }
 }
@@ -3524,6 +3527,13 @@ pub fn fn_sig(self) -> Option<&'hir FnSig<'hir>> {
         }
     }
 
+    pub fn alias_ty(self) -> Option<&'hir Ty<'hir>> {
+        match self {
+            Node::Item(Item { kind: ItemKind::TyAlias(ty, ..), .. }) => Some(ty),
+            _ => None,
+        }
+    }
+
     pub fn body_id(&self) -> Option<BodyId> {
         match self {
             Node::TraitItem(TraitItem {