From ea95389b7fae4d75f3c8b6c465866834545ad5d9 Mon Sep 17 00:00:00 2001 From: HampusM Date: Tue, 9 Jun 2026 17:36:17 +0200 Subject: feat(engine): add offsets to reflection of enum variant fields --- engine-macros/src/reflection/field.rs | 16 ++++------------ 1 file changed, 4 insertions(+), 12 deletions(-) (limited to 'engine-macros/src/reflection/field.rs') diff --git a/engine-macros/src/reflection/field.rs b/engine-macros/src/reflection/field.rs index 489d165..8572875 100644 --- a/engine-macros/src/reflection/field.rs +++ b/engine-macros/src/reflection/field.rs @@ -2,17 +2,17 @@ use quote::{quote, ToTokens}; use crate::reflection::visibility::generate as generate_visibility; -pub struct ReflectionFieldGenOptions +pub struct ReflectionFieldGenOptions<'a> { pub field_vis_override: Option, - pub include_byte_offset: bool, + pub gen_get_byte_offset: &'a dyn Fn(&syn::Field) -> proc_macro2::TokenStream, } pub fn generate( field: &syn::Field, field_index: usize, engine_crate_path: &syn::Path, - options: ReflectionFieldGenOptions, + options: ReflectionFieldGenOptions<'_>, ) -> proc_macro2::TokenStream { let field_ident = &field.ident; @@ -27,15 +27,7 @@ pub fn generate( quote! { None } }; - let field_byte_offset = if options.include_byte_offset { - if let Some(field_ident) = field_ident { - quote! { Some(std::mem::offset_of!(Self, #field_ident)) } - } else { - quote! { Some(std::mem::offset_of!(Self, #field_index)) } - } - } else { - quote! { None } - }; + let field_byte_offset = (options.gen_get_byte_offset)(field); // since std::any::type_name as const is not stable yet let field_type_name = field_type.to_token_stream().to_string(); -- cgit v1.2.3-18-g5258