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Code Issues Packages 1 Wiki Activity

feat(ops): sync Rc<RefCell<OpState>> (#14438)

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Aaron O'Mullan 2022-05-04 21:44:34 -03:00 • committed by GitHub
parent ca134d25e1
commit e04f1f1f34
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1 changed files with 9 additions and 7 deletions
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16
ops/lib.rs
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@ -185,13 +185,15 @@ fn codegen_v8_async(core: &TokenStream2, f: &syn::ItemFn) -> TokenStream2 {
/// Generate the body of a v8 func for a sync op
fn codegen_v8_sync(core: &TokenStream2, f: &syn::ItemFn) -> TokenStream2 {
let arg0 = f.sig.inputs.first();
let uses_opstate = arg0.map(is_mut_ref_opstate).unwrap_or_default();
let args_head = if uses_opstate {
quote! { op_state, }
} else {
quote! {}
let (rust_i0, args_head) = match arg0 {
Some(arg0) if is_rc_refcell_opstate(arg0) => {
(1, quote! { ctx.state.clone(), })
}
Some(arg0) if is_mut_ref_opstate(arg0) => {
(1, quote! { &mut ctx.state.borrow_mut(), })
}
_ => (0, quote! {}),
};
let rust_i0 = if uses_opstate { 1 } else { 0 };
let (arg_decls, args_tail) = codegen_args(core, f, rust_i0, 0);
let ret = codegen_sync_ret(core, &f.sig.output);
let type_params = &f.sig.generics.params;
@ -205,9 +207,9 @@ fn codegen_v8_sync(core: &TokenStream2, f: &syn::ItemFn) -> TokenStream2 {
#arg_decls
let op_state = &mut ctx.state.borrow_mut();
let result = Self::call::<#type_params>(#args_head #args_tail);
let op_state = &mut ctx.state.borrow();
op_state.tracker.track_sync(ctx.id);
#ret