From d41a97e957ef616d194f60b9b79820cd0162d920 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Wed, 10 Sep 2025 23:29:52 +0900
Subject: feat: implement macro argument prescan

cf. https://gcc.gnu.org/onlinedocs/cpp/Argument-Prescan.html
---
 tests/test_macro_operators.sh | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

(limited to 'tests/test_macro_operators.sh')

diff --git a/tests/test_macro_operators.sh b/tests/test_macro_operators.sh
index daf8f47..a77d3ca 100644
--- a/tests/test_macro_operators.sh
+++ b/tests/test_macro_operators.sh
@@ -41,3 +41,19 @@ int main() {
 }
 EOF
 
+cat <<'EOF' > expected
+123
+EOF
+test_diff <<'EOF'
+int printf(const char*, ...);
+
+#define F(x) CHECK(G(x))
+#define G(x) CHECK(H(x))
+#define CHECK(x) x
+
+int H(int n) { return n; }
+
+int main() {
+    printf("%d\n", F(123));
+}
+EOF
-- 
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