Reduce minimal accessors to just getter

Author: YuhanLiin

examples/file-descriptor-set/build.rs

@@ -11,6 +11,19 @@ fn main() {
                 .no_partial_eq_impl(true)
                 .minimal_accessors(true),
         )
+        // Override minimal accessors setting for specific paths, since the generator calls `set_`
+        // APIs on specific messages
+        .configure_many(
+            &[
+                ".google.protobuf.DescriptorProto",
+                ".google.protobuf.FieldDescriptorProto",
+                ".google.protobuf.FieldOptions",
+                ".google.protobuf.OneofDescriptorProto",
+                ".google.protobuf.MessageOptions",
+                ".google.protobuf.EnumValueDescriptorProto",
+            ],
+            Config::new().minimal_accessors(false),
+        )
         .compile_protos(&["google/protobuf/descriptor.proto"], "descriptor.rs")
         .unwrap();
 }

micropb-gen/src/config.rs

@@ -484,8 +484,8 @@ config_decl! {
     /// Only generate minimal accessors for message types.
     ///
     /// If enabled, the only accessors that will be generated for this message type will be the
-    /// getter and setter methods on optional fields. This won't reduce the compiled code size, but
-    /// it will significantly reduce the size of the output source file.
+    /// getter methods on optional fields. This won't reduce the compiled code size, but it will
+    /// significantly reduce the size of the output source file.
     minimal_accessors: Option<bool>,
 
     // General configs