From 0b4bdb6dae6dbb3d37695555765acabbf2663849 Mon Sep 17 00:00:00 2001
From: Melody Horn <melody@boringcactus.com>
Date: Tue, 6 Apr 2021 16:29:52 -0600
Subject: implement function `addsuffix`

---
 src/makefile/functions.rs | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src')

diff --git a/src/makefile/functions.rs b/src/makefile/functions.rs
index 2192d26..c111fba 100644
--- a/src/makefile/functions.rs
+++ b/src/makefile/functions.rs
@@ -69,6 +69,10 @@ pub fn expand_call(
             assert_eq!(args.len(), 1);
             file_name::basename(macros, &args[0])
         }
+        "addsuffix" => {
+            assert_eq!(args.len(), 2);
+            file_name::addsuffix(macros, &args[0], &args[1])
+        }
         "addprefix" => {
             assert_eq!(args.len(), 2);
             file_name::addprefix(macros, &args[0], &args[1])
@@ -318,6 +322,20 @@ mod file_name {
         Ok(words.join(" "))
     }
 
+    pub fn addsuffix(
+        macros: &MacroSet,
+        suffix: &TokenString,
+        targets: &TokenString,
+    ) -> Result<String> {
+        let suffix = macros.expand(suffix)?;
+        let targets = macros.expand(targets)?;
+        let results = targets
+            .split_whitespace()
+            .map(|t| format!("{}{}", t, suffix))
+            .collect::<Vec<_>>();
+        Ok(results.join(" "))
+    }
+
     pub fn addprefix(
         macros: &MacroSet,
         prefix: &TokenString,
-- 
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