feat(engine): add builder macro attr to skip generating field fnHEADmaster

1 files changed, 26 insertions, 8 deletions

diff --git a/engine/src/util.rs b/engine/src/util.rs
index 7e22bbb..cc4677d 100644
--- a/engine/src/util.rs
+++ b/engine/src/util.rs
@@ -26,6 +26,17 @@ macro_rules! or {
 pub(crate) use or;
 
 #[macro_export]
+macro_rules! expand_map_opt {
+    ($in: tt, no_occurance=($($no_occurance: tt)*), occurance=($($occurance: tt)*)) => {
+        $($occurance)*
+    };
+
+    (, no_occurance=($($no_occurance: tt)*), occurance=($($occurance: tt)*)) => {
+        $($no_occurance)*
+    };
+}
+
+#[macro_export]
 macro_rules! builder {
     (
         $(#[doc = $doc: literal])*
@@ -37,7 +48,8 @@ macro_rules! builder {
         $visibility: vis struct $name: ident
         {
             $(
-                $(#[$field_attr: meta])*
+                $(#[doc = $field_doc: literal])*
+                $(#[builder(skip_generate_fn$($field_skip_generate_fn: tt)?)])?
                 $field_visibility: vis $field: ident: $field_type: ty,
             )*
         }
@@ -47,7 +59,7 @@ macro_rules! builder {
         $visibility struct $name
         {
             $(
-                $(#[$field_attr])*
+                $(#[doc = $field_doc])*
                 $field_visibility $field: $field_type,
             )*
         }
@@ -63,12 +75,18 @@ macro_rules! builder {
         impl $builder_name
         {
             $(
-                #[must_use]
-                $visibility fn $field(mut self, $field: $field_type) -> Self
-                {
-                    self.$field = $field;
-                    self
-                }
+                $crate::expand_map_opt!(
+                    $(true $($field_skip_generate_fn)?)?,
+                    no_occurance=(
+                        #[must_use]
+                        $visibility fn $field(mut self, $field: $field_type) -> Self
+                        {
+                            self.$field = $field;
+                            self
+                        }
+                    ),
+                    occurance=()
+                );
             )*
 
             #[must_use]