From 44b3ea4dac1cc60eeda54ae7b53facbb025c6f68 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Wed, 13 Nov 2024 00:27:03 -0700
Subject: fix rule macro detection when macro expansion in macro name

---
 src/makefile/token.rs | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'src/makefile/token.rs')

diff --git a/src/makefile/token.rs b/src/makefile/token.rs
index dad4694..7b88823 100644
--- a/src/makefile/token.rs
+++ b/src/makefile/token.rs
@@ -155,6 +155,19 @@ impl TokenString {
             }
         })
     }
+
+    /// Returns (token index within string, pattern index within token).
+    pub fn find(&self, pattern: &str) -> Option<(usize, usize)> {
+        self.0
+            .iter()
+            .enumerate()
+            .find_map(|(token_index, token)| match token {
+                Token::Text(text) => text
+                    .find(pattern)
+                    .map(|pattern_index| (token_index, pattern_index)),
+                _ => None,
+            })
+    }
 }
 
 impl fmt::Display for TokenString {
-- 
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