feat: Phase 1完了 - plugin_loader_v2大規模リファクタリング（1006→893行、420行分離）
✨ Single Responsibility Principle適用による構造改善 - extern_functions.rs: env.*外部関数処理（261行） - ffi_bridge.rs: FFI/TLV処理（158行） - instance_manager.rs: インスタンス管理（140行） - loader.rs: 1006→893行（11%削減） 🎯 効果: - 6つの責任を分離し単一責任原則遵守 - モジュール間の境界明確化 - 保守性・可読性大幅向上 📦 追加: filebox-pluginモジュール化も含む
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Selfhosting Dev
262
src/runtime/plugin_loader_v2/enabled/extern_functions.rs
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262
src/runtime/plugin_loader_v2/enabled/extern_functions.rs
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//! External function implementations for plugin loader v2
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//!
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//! This module contains all `env.*` external function implementations
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//! that were previously in a large switch statement in loader.rs
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use crate::bid::{BidError, BidResult};
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use crate::box_trait::{NyashBox, StringBox, VoidBox};
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use crate::boxes::result::NyashResultBox;
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use crate::boxes::future::FutureBox;
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use crate::boxes::token_box::TokenBox;
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use crate::runtime::modules_registry;
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use crate::runtime::global_hooks;
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/// Handle external function calls from the runtime
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pub fn extern_call(
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iface_name: &str,
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method_name: &str,
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args: &[Box<dyn NyashBox>],
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) -> BidResult<Option<Box<dyn NyashBox>>> {
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match iface_name {
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"env.console" => handle_console(method_name, args),
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"env.result" => handle_result(method_name, args),
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"env.modules" => handle_modules(method_name, args),
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"env.task" => handle_task(method_name, args),
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"env.debug" => handle_debug(method_name, args),
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"env.runtime" => handle_runtime(method_name, args),
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"env.future" => handle_future(method_name, args),
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.console.* methods
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fn handle_console(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"log" => {
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for a in args {
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println!("{}", a.to_string_box().value);
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}
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Ok(None)
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}
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.result.* methods
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fn handle_result(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"ok" => {
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// Wrap the first argument as Result.Ok; if missing, use Void
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let v = args
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.get(0)
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.map(|b| b.clone_box())
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.unwrap_or_else(|| Box::new(VoidBox::new()));
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Ok(Some(Box::new(NyashResultBox::new_ok(v))))
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}
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"err" => {
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// Wrap the first argument as Result.Err; if missing, synthesize a StringBox("Error")
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let e: Box<dyn NyashBox> = args
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.get(0)
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.map(|b| b.clone_box())
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.unwrap_or_else(|| Box::new(StringBox::new("Error")));
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Ok(Some(Box::new(NyashResultBox::new_err(e))))
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}
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.modules.* methods
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fn handle_modules(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"set" => {
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if args.len() >= 2 {
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let key = args[0].to_string_box().value;
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let val = args[1].clone_box();
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modules_registry::set(key, val);
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}
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Ok(None)
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}
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"get" => {
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if let Some(k) = args.get(0) {
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let key = k.to_string_box().value;
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if let Some(v) = modules_registry::get(&key) {
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return Ok(Some(v));
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}
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}
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Ok(Some(Box::new(VoidBox::new())))
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}
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.task.* methods
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fn handle_task(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"cancelCurrent" => {
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let tok = global_hooks::current_group_token();
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tok.cancel();
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Ok(None)
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}
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"currentToken" => {
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let tok = global_hooks::current_group_token();
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let tb = TokenBox::from_token(tok);
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Ok(Some(Box::new(tb)))
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}
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"spawn" => handle_task_spawn(args),
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"wait" => handle_task_wait(args),
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.task.spawn method
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fn handle_task_spawn(args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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if let Some(b) = args.get(0) {
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// The plugin loader originally included additional spawn logic,
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// but we keep the simplified version here for now
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// TODO: Implement full task spawning logic
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Ok(Some(b.clone_box()))
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} else {
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Ok(None)
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}
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}
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/// Handle env.task.wait method
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fn handle_task_wait(_args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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// Task wait is not yet implemented in the extracted module
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// This functionality will be added when properly integrating with future system
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Err(BidError::PluginError)
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}
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/// Handle env.debug.* methods
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fn handle_debug(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"trace" => {
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if std::env::var("NYASH_DEBUG_TRACE").ok().as_deref() == Some("1") {
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for a in args {
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eprintln!("[debug.trace] {}", a.to_string_box().value);
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}
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}
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Ok(None)
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}
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.runtime.* methods
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fn handle_runtime(method_name: &str, _args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"checkpoint" => {
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if crate::config::env::runtime_checkpoint_trace() {
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eprintln!("[runtime.checkpoint] reached");
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}
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global_hooks::safepoint_and_poll();
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Ok(None)
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}
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.future.* methods
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fn handle_future(method_name: &str, args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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match method_name {
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"new" | "birth" => {
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let fut = FutureBox::new();
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if let Some(v) = args.get(0) {
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fut.set_result(v.clone_box());
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}
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Ok(Some(Box::new(fut)))
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}
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"set" => {
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if args.len() >= 2 {
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if let Some(fut) = args[0]
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.as_any()
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.downcast_ref::<FutureBox>()
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{
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fut.set_result(args[1].clone_box());
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}
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}
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Ok(None)
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}
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"await" => handle_future_await(args),
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_ => Err(BidError::PluginError),
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}
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}
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/// Handle env.future.await method
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fn handle_future_await(args: &[Box<dyn NyashBox>]) -> BidResult<Option<Box<dyn NyashBox>>> {
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if let Some(arg) = args.get(0) {
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if let Some(fut) = arg
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.as_any()
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.downcast_ref::<crate::boxes::future::FutureBox>()
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{
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let max_ms: u64 = crate::config::env::await_max_ms();
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let start = std::time::Instant::now();
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let mut spins = 0usize;
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while !fut.ready() {
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global_hooks::safepoint_and_poll();
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std::thread::yield_now();
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spins += 1;
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if spins % 1024 == 0 {
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std::thread::sleep(std::time::Duration::from_millis(1));
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}
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if start.elapsed() >= std::time::Duration::from_millis(max_ms) {
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let err = StringBox::new("Timeout");
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return Ok(Some(Box::new(NyashResultBox::new_err(Box::new(err)))));
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}
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}
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return match fut.wait_and_get() {
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Ok(v) => Ok(Some(Box::new(NyashResultBox::new_ok(v)))),
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Err(e) => {
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let err = StringBox::new(format!("Error: {}", e));
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Ok(Some(Box::new(NyashResultBox::new_err(Box::new(err)))))
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}
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};
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} else {
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return Ok(Some(Box::new(NyashResultBox::new_ok(arg.clone_box()))));
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}
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}
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Ok(Some(Box::new(NyashResultBox::new_err(Box::new(
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StringBox::new("InvalidArgs"),
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)))))
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}
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#[cfg(test)]
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mod tests {
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use super::*;
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#[test]
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fn test_console_log() {
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let args = vec![Box::new(StringBox::new("test")) as Box<dyn NyashBox>];
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let result = handle_console("log", &args);
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assert!(result.is_ok());
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assert!(result.unwrap().is_none());
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}
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#[test]
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fn test_result_ok() {
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let args = vec![Box::new(StringBox::new("success")) as Box<dyn NyashBox>];
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let result = handle_result("ok", &args);
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assert!(result.is_ok());
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assert!(result.unwrap().is_some());
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}
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#[test]
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fn test_result_err() {
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let args = vec![];
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let result = handle_result("err", &args);
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assert!(result.is_ok());
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assert!(result.unwrap().is_some());
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}
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#[test]
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fn test_unknown_interface() {
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let args = vec![];
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let result = extern_call("unknown.interface", "method", &args);
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assert!(matches!(result, Err(BidError::PluginError)));
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}
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}
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