53d88157aa
- TypeBox ABI雛形: メソッドスロット管理システム追加 - Type Registry: Array/Map/StringBoxの基本メソッド定義 - Host API: C ABI逆呼び出しシステム実装 - Phase 12ドキュメント整理: 設計文書統合・アーカイブ化 - MIR Builder: クリーンアップと分離実装完了 🤖 Generated with [Claude Code](https://claude.ai/code) Co-Authored-By: Claude <noreply@anthropic.com>
41 lines
1.6 KiB
Rust
41 lines
1.6 KiB
Rust
/*!
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* Async Operations Module
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*
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* Extracted from expressions.rs lines 1020-1031 (~11 lines)
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* Handles await expression processing for asynchronous operations
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* Core philosophy: "Everything is Box" with async support
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*/
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use super::*;
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use crate::boxes::result::NyashResultBox;
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use crate::box_trait::StringBox;
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impl NyashInterpreter {
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/// await式を実行 - 非同期操作の結果を待機
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pub(super) fn execute_await(&mut self, expression: &ASTNode) -> Result<Box<dyn NyashBox>, RuntimeError> {
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let value = self.execute_expression(expression)?;
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// FutureBoxなら協調待機して Result.Ok/Err を返す
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if let Some(future) = value.as_any().downcast_ref::<FutureBox>() {
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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 !future.ready() {
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crate::runtime::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 { std::thread::sleep(std::time::Duration::from_millis(1)); }
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if start.elapsed() >= std::time::Duration::from_millis(max_ms) {
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let err = Box::new(StringBox::new("Timeout"));
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return Ok(Box::new(NyashResultBox::new_err(err)));
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}
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}
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let v = future.get();
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Ok(Box::new(NyashResultBox::new_ok(v)))
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} else {
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// FutureBoxでなければ Ok(value) で返す
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Ok(Box::new(NyashResultBox::new_ok(value)))
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}
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}
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}
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