From fb304ec382e225a6134f332c2f86dfb92e59bbf1 Mon Sep 17 00:00:00 2001
From: Cameron Clark <cameron.clark@hey.com>
Date: Tue, 30 Jun 2026 16:10:08 +0100
Subject: [PATCH] perf(formatter): inline AnyNodeRef range access

---
 crates/ruff_python_ast/generate.py                |  2 ++
 crates/ruff_python_ast/src/generated.rs           |  5 +++++
 .../ruff_python_formatter/src/comments/visitor.rs | 15 +++++++++++++++
 3 files changed, 22 insertions(+)

diff --git a/crates/ruff_python_ast/generate.py b/crates/ruff_python_ast/generate.py
index 6b85baba8a6e6b..9a80dc81836c4e 100644
--- a/crates/ruff_python_ast/generate.py
+++ b/crates/ruff_python_ast/generate.py
@@ -685,6 +685,8 @@ def write_anynoderef(out: list[str], ast: Ast) -> None:
 
     out.append("""
         impl ruff_text_size::Ranged for AnyNodeRef<'_> {
+            #[expect(clippy::inline_always, reason = "enables constant-folding for known `AnyNodeRef` variants")]
+            #[inline(always)]
             fn range(&self) -> ruff_text_size::TextRange {
                 match self {
     """)
diff --git a/crates/ruff_python_ast/src/generated.rs b/crates/ruff_python_ast/src/generated.rs
index 006ea651ddc426..d250d72e869c01 100644
--- a/crates/ruff_python_ast/src/generated.rs
+++ b/crates/ruff_python_ast/src/generated.rs
@@ -6889,6 +6889,11 @@ impl<'a> From<&'a crate::Identifier> for AnyNodeRef<'a> {
 }
 
 impl ruff_text_size::Ranged for AnyNodeRef<'_> {
+    #[expect(
+        clippy::inline_always,
+        reason = "enables constant-folding for known `AnyNodeRef` variants"
+    )]
+    #[inline(always)]
     fn range(&self) -> ruff_text_size::TextRange {
         match self {
             AnyNodeRef::ModModule(node) => node.range(),
diff --git a/crates/ruff_python_formatter/src/comments/visitor.rs b/crates/ruff_python_formatter/src/comments/visitor.rs
index f18c2f0d7c2237..73155fa8102d7e 100644
--- a/crates/ruff_python_formatter/src/comments/visitor.rs
+++ b/crates/ruff_python_formatter/src/comments/visitor.rs
@@ -70,6 +70,11 @@ impl<'a, 'builder> CommentsVisitor<'a, 'builder> {
 }
 
 impl<'ast> SourceOrderVisitor<'ast> for CommentsVisitor<'ast, '_> {
+    #[expect(
+        clippy::inline_always,
+        reason = "enables constant-folding of `AnyNodeRef` helpers"
+    )]
+    #[inline(always)]
     fn enter_node(&mut self, node: AnyNodeRef<'ast>) -> TraversalSignal {
         let node_range = node.range();
 
@@ -111,6 +116,11 @@ impl<'ast> SourceOrderVisitor<'ast> for CommentsVisitor<'ast, '_> {
         }
     }
 
+    #[expect(
+        clippy::inline_always,
+        reason = "enables constant-folding of `AnyNodeRef` helpers"
+    )]
+    #[inline(always)]
     fn leave_node(&mut self, node: AnyNodeRef<'ast>) {
         // We are leaving this node, pop it from the parent stack.
         self.parents.pop();
@@ -147,6 +157,11 @@ impl<'ast> SourceOrderVisitor<'ast> for CommentsVisitor<'ast, '_> {
         self.preceding_node = Some(node);
     }
 
+    #[expect(
+        clippy::inline_always,
+        reason = "enables constant-folding of `AnyNodeRef` helpers"
+    )]
+    #[inline(always)]
     fn visit_body(&mut self, body: &'ast [Stmt]) {
         match body {
             [] => {