From 215204e168dd97e68c1e0ec89a7646d353ca934c Mon Sep 17 00:00:00 2001
From: Wataru Otsubo <wotsubo@icepp.s.u-tokyo.ac.jp>
Date: Thu, 31 Jul 2025 18:15:46 +0900
Subject: [PATCH] update(generator): remove Block and Register docs for None or
 empty desc

---
 src/generator.rs | 16 ++++++++++++----
 1 file changed, 12 insertions(+), 4 deletions(-)

diff --git a/src/generator.rs b/src/generator.rs
index c1a3fdd..b5c2111 100644
--- a/src/generator.rs
+++ b/src/generator.rs
@@ -309,7 +309,11 @@ impl CodeGen for Block {
         let snake_case_name = util::parse_to_ident(&self.name.to_snake_case())?;
         let upper_camel_name = util::parse_to_ident(&self.name.to_upper_camel_case())?;
         let addr = util::parse_to_literal(&format!("0x{:x}", self.addr))?;
-        let desc = self.desc.unwrap_or("".to_string());
+        let desc = match self.desc {
+            None => quote! {},
+            Some(ref s) if s.is_empty() => quote! {},
+            Some(ref desc) => quote! { #![doc = #desc] },
+        };
 
         let accessors_methods = self.elements.iter().map(|e| {
                 let child_name = e.get_name();
@@ -373,7 +377,7 @@ impl CodeGen for Block {
             .collect::<Result<Vec<_>, _>>()?;
 
         let out = quote! {
-            #![doc = #desc]
+            #desc
 
             use std::marker::PhantomData;
 
@@ -467,10 +471,14 @@ impl CodeGen for Register {
                 type_ux,
             );
 
-        let desc = self.desc.unwrap_or("".to_string());
+        let doc = match self.desc {
+            None => quote! {},
+            Some(ref s) if s.is_empty() => quote! {},
+            Some(ref desc) => quote! { #![doc = #desc] },
+        };
 
         let out = quote! {
-            #![doc = #desc]
+            #doc
 
             use std::marker::PhantomData;