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vados-cosmonicvados-cosmonic
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chore(bindgen): remove dead code
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‎crates/js-component-bindgen/src/function_bindgen.rs‎

Lines changed: 0 additions & 237 deletions
Original file line numberDiff line numberDiff line change
@@ -2334,243 +2334,6 @@ impl Bindgen for FunctionBindgen<'_> {
23342334
results.push(rsc);
23352335
}
23362336

2337-
// Instruction::HandleLift { handle, .. } => {
2338-
// let (Handle::Own(ty) | Handle::Borrow(ty)) = handle;
2339-
// let resource_ty = &crate::dealias(self.resolve, *ty);
2340-
// let ResourceTable { imported, data } = &self.resource_map[resource_ty];
2341-
2342-
// let is_own = matches!(handle, Handle::Own(_));
2343-
// let rsc = format!("rsc{}", self.tmp());
2344-
// let handle = format!("handle{}", self.tmp());
2345-
// uwriteln!(self.src, "var {handle} = {};", &operands[0]);
2346-
2347-
// match data {
2348-
// ResourceData::Host {
2349-
// tid,
2350-
// rid,
2351-
// local_name,
2352-
// dtor_name,
2353-
// } => {
2354-
// let tid = tid.as_u32();
2355-
// let rid = rid.as_u32();
2356-
// let symbol_dispose = self.intrinsic(Intrinsic::SymbolDispose);
2357-
// let rsc_table_remove = self
2358-
// .intrinsic(Intrinsic::Resource(ResourceIntrinsic::ResourceTableRemove));
2359-
// let rsc_flag = self
2360-
// .intrinsic(Intrinsic::Resource(ResourceIntrinsic::ResourceTableFlag));
2361-
// let symbol_resource_handle =
2362-
// self.intrinsic(Intrinsic::SymbolResourceHandle);
2363-
// let empty_func =
2364-
// self.intrinsic(Intrinsic::JsHelper(JsHelperIntrinsic::EmptyFunc));
2365-
2366-
// match (imported, is_own) {
2367-
// // Non-imported owned host resource
2368-
// (_imported @ false, _owned @ true) => {
2369-
// let dtor_setup_js = if let Some(dtor) = dtor_name {
2370-
// // The Symbol.dispose function gets disabled on drop, so we can rely on the own handle remaining valid.
2371-
// format!(
2372-
// r#",
2373-
// Object.defineProperty(
2374-
// {rsc},
2375-
// {symbol_dispose},
2376-
// {{
2377-
// writable: true,
2378-
// value: function () {{
2379-
// finalizationRegistry{tid}.unregister({rsc});
2380-
// {rsc_table_remove}(handleTable{tid}, {handle});
2381-
// {rsc}[{symbol_dispose}] = {empty_func};
2382-
// {rsc}[{symbol_resource_handle}] = undefined;
2383-
// {dtor}(handleTable{tid}[({handle} << 1) + 1] & ~{rsc_flag});
2384-
// }}
2385-
// }},
2386-
// );
2387-
// "#
2388-
// )
2389-
// } else {
2390-
// // Set up Symbol.dispose for borrows to allow its call, even though it does nothing.
2391-
// format!(
2392-
// "Object.defineProperty({rsc}, {symbol_dispose}, {{ writable: true, value: {empty_func} }});"
2393-
// )
2394-
// };
2395-
2396-
// // Sending an own handle out to JS as a return value - set up finalizer and disposal.
2397-
// uwriteln!(
2398-
// self.src,
2399-
// r#"
2400-
// var {rsc};
2401-
// if (new.target === {local_name}) {{
2402-
// {rsc} = this;
2403-
// }} else {{
2404-
// {rsc} = Object.create({local_name}.prototype);
2405-
// }}
2406-
// Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});
2407-
// finalizationRegistry{tid}.register({rsc}, {handle}, {rsc});
2408-
// {dtor_setup_js}
2409-
// "#
2410-
// );
2411-
// }
2412-
2413-
// // Non-imported borrowed host resource
2414-
// (_imported @ false, _owned @ false) => {
2415-
// // Borrow handles of local resources have rep handles, which we carry through here.
2416-
// uwriteln!(
2417-
// self.src,
2418-
// "Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});"
2419-
// );
2420-
// }
2421-
2422-
// // Imported owned host resource
2423-
// (_imported @ true, _owned @ true) => {
2424-
// let rep = format!("rep{}", self.tmp());
2425-
// // Imported handles either lift as instance capture from a previous lowering,
2426-
// // or we create a new JS class to represent it.
2427-
// let symbol_resource_rep =
2428-
// self.intrinsic(Intrinsic::SymbolResourceRep);
2429-
// let symbol_resource_handle =
2430-
// self.intrinsic(Intrinsic::SymbolResourceHandle);
2431-
2432-
// uwriteln!(
2433-
// self.src,
2434-
// r#"
2435-
// var {rep} = handleTable{tid}[({handle} << 1) + 1] & ~{rsc_flag};
2436-
// var {rsc} = captureTable{rid}.get({rep});
2437-
// if (!{rsc}) {{
2438-
// {rsc} = Object.create({local_name}.prototype);
2439-
// Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});
2440-
// Object.defineProperty({rsc}, {symbol_resource_rep}, {{ writable: true, value: {rep} }});
2441-
// }} else {{
2442-
// captureTable{rid}.delete({rep});
2443-
// }}
2444-
// // NOTE: owned lifting is a transfer to JS, so existing own handle must be dropped
2445-
// {rsc_table_remove}(handleTable{tid}, {handle});
2446-
// "#,
2447-
// );
2448-
// }
2449-
2450-
// // Imported borrowed host resource
2451-
// (_imported @ true, _owned @ false) => {
2452-
// let rep = format!("rep{}", self.tmp());
2453-
// // Imported handles either lift as instance capture from a previous lowering,
2454-
// // or we create a new JS class to represent it.
2455-
// let symbol_resource_rep =
2456-
// self.intrinsic(Intrinsic::SymbolResourceRep);
2457-
// let symbol_resource_handle =
2458-
// self.intrinsic(Intrinsic::SymbolResourceHandle);
2459-
2460-
// uwriteln!(
2461-
// self.src,
2462-
// r#"
2463-
// var {rep} = handleTable{tid}[({handle} << 1) + 1] & ~{rsc_flag};
2464-
// var {rsc} = captureTable{rid}.get({rep});
2465-
// if (!{rsc}) {{
2466-
// {rsc} = Object.create({local_name}.prototype);
2467-
// Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});
2468-
// Object.defineProperty({rsc}, {symbol_resource_rep}, {{ writable: true, value: {rep} }});
2469-
// }}
2470-
// "#,
2471-
// );
2472-
// }
2473-
// }
2474-
2475-
// // Borrow handles are tracked to release after the call by CallInterface.
2476-
// if !is_own {
2477-
// let cur_resource_borrows = self.intrinsic(Intrinsic::Resource(
2478-
// ResourceIntrinsic::CurResourceBorrows,
2479-
// ));
2480-
// uwriteln!(self.src, "{cur_resource_borrows}.push({rsc});");
2481-
// self.clear_resource_borrows = true;
2482-
// }
2483-
// }
2484-
2485-
// ResourceData::Guest {
2486-
// resource_name,
2487-
// prefix,
2488-
// extra,
2489-
// } => {
2490-
// assert!(
2491-
// extra.is_none(),
2492-
// "plain resource handles do not carry extra data"
2493-
// );
2494-
2495-
// let symbol_resource_handle =
2496-
// self.intrinsic(Intrinsic::SymbolResourceHandle);
2497-
// let prefix = prefix.as_deref().unwrap_or("");
2498-
// let lower_camel = resource_name.to_lower_camel_case();
2499-
2500-
// match (imported, is_own) {
2501-
// // Non-imported, owned guest resource
2502-
// (_imported @ false, _owned @ true) => {
2503-
// uwrite!(
2504-
// self.src,
2505-
// r#"
2506-
// var {rsc} = repTable.get($resource_{prefix}rep${lower_camel}({handle})).rep;
2507-
// repTable.delete({handle});
2508-
// delete {rsc}[{symbol_resource_handle}];
2509-
// finalizationRegistry_export${prefix}{lower_camel}.unregister({rsc});
2510-
// "#
2511-
// );
2512-
// }
2513-
2514-
// // Non-imported, borrowed guest resource
2515-
// (_imported @ false, _owned @ false) => {
2516-
// uwriteln!(self.src, "var {rsc} = repTable.get({handle}).rep;");
2517-
// }
2518-
2519-
// // Imported, owned guest resource
2520-
// (_imported @ true, _owned @ true) => {
2521-
// let upper_camel = resource_name.to_upper_camel_case();
2522-
2523-
// uwrite!(
2524-
// self.src,
2525-
// r#"
2526-
// var {rsc};
2527-
// if (new.target === import_{prefix}{upper_camel}) {{
2528-
// {rsc} = this;
2529-
// }} else {{
2530-
// {rsc} = Object.create(import_{prefix}{upper_camel}.prototype);
2531-
// }}
2532-
// Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});
2533-
// finalizationRegistry_import${prefix}{lower_camel}.register({rsc}, {handle}, {rsc});
2534-
// "#
2535-
// );
2536-
// }
2537-
2538-
// // Imported, borrowed guest resource
2539-
// (_imported @ true, _owned @ false) => {
2540-
// let upper_camel = resource_name.to_upper_camel_case();
2541-
2542-
// uwrite!(
2543-
// self.src,
2544-
// r#"
2545-
// var {rsc};
2546-
// if (new.target === import_{prefix}{upper_camel}) {{
2547-
// {rsc} = this;
2548-
// }} else {{
2549-
// {rsc} = Object.create(import_{prefix}{upper_camel}.prototype);
2550-
// }}
2551-
// Object.defineProperty({rsc}, {symbol_resource_handle}, {{ writable: true, value: {handle} }});
2552-
// finalizationRegistry_import${prefix}{lower_camel}.register({rsc}, {handle}, {rsc});
2553-
// "#
2554-
// );
2555-
2556-
// // TODO(fix): should this be similar to host and *not* be here, but apply no matter what?
2557-
// if !is_own {
2558-
// let cur_resource_borrows = self.intrinsic(Intrinsic::Resource(
2559-
// ResourceIntrinsic::CurResourceBorrows,
2560-
// ));
2561-
// uwriteln!(
2562-
// self.src,
2563-
// "{cur_resource_borrows}.push({{ rsc: {rsc}, drop: $resource_import${prefix}drop${lower_camel} }});"
2564-
// );
2565-
// self.clear_resource_borrows = true;
2566-
// }
2567-
// }
2568-
// }
2569-
// }
2570-
// }
2571-
2572-
// results.push(rsc);
2573-
// }
25742337
Instruction::HandleLower { handle, name, .. } => {
25752338
let (Handle::Own(ty) | Handle::Borrow(ty)) = handle;
25762339
let is_own = matches!(handle, Handle::Own(_));

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