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fix: 子模块全局扁平化根治逃逸闭包上下文错位

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彭俊皓
2026-08-07 10:49:15 +08:00
parent 98b07687f0
commit fd94ff6931
10 changed files with 137 additions and 62 deletions
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crates/oxide_vm/src/dispatch/call.rs
+4 -15
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@@ -1,5 +1,3 @@
use std::sync::OnceLock;
use crate::native::NativeFn;
use crate::vm::{native_fn_ptr_to_fn, CallFrame, FrameContinuation, Vm};
use crate::{vm_debug, vm_trace};
@@ -89,7 +87,7 @@ impl Vm {
pub(crate) fn dispatch_create_closure(&mut self, rd: usize, instr: u32) -> Result<(), String> {
let sub_idx = opcode::imm16(instr) as u32;
vm_trace!("CREATE_CLOSURE rd={} sub_idx={}", rd, sub_idx);
if sub_idx == 0 || (sub_idx as usize) > self.sub_modules.len() {
if sub_idx == 0 || (sub_idx as usize) >= self.sub_modules.len() {
// 逃逸闭包（函数对象在定义模块之外被创建）时 sub_idx 相对定义模块，
// 超出当前 sub_modules 上下文——按运行时错误处理而非索引越界 panic。
return Err(format!(
@@ -98,7 +96,7 @@ impl Vm {
self.sub_modules.len()
));
}
let sub = &self.sub_modules[sub_idx as usize - 1];
let sub = &self.sub_modules[sub_idx as usize];
let is_arrow = sub.is_arrow;
let is_class_constructor = sub.is_class_constructor;
let is_derived_constructor = sub.is_derived_constructor;
@@ -366,7 +364,7 @@ impl Vm {
}
}
} else if super_obj.sub_module_index() > 0 {
let sub_idx = super_obj.sub_module_index() as usize - 1;
let sub_idx = super_obj.sub_module_index() as usize;
if sub_idx >= self.sub_modules.len() {
return Err(format!(
"SUPER_CALL: sub_module_index {} out of bounds (max {})",
@@ -421,7 +419,7 @@ impl Vm {
self.bytecode = sub_bytecode;
let subs = Arc::clone(&self.sub_modules);
self.activate_immutables(sub_idx + 1, &subs[sub_idx].constants);
self.activate_immutables(sub_idx, &subs[sub_idx].constants);
self.cell_stack.push(Vec::with_capacity(subs[sub_idx].cells_needed as usize));
for (name, reg) in &self.sub_modules[sub_idx].builtin_reg_map.clone() {
let si = self.kernel_core.perm_interner().intern(name.as_str()).0;
@@ -431,15 +429,6 @@ impl Vm {
}
}
let callee_subs = &subs[sub_idx].sub_modules;
if callee_subs.is_empty() {
self.sub_module_stack.push((Arc::clone(&self.sub_modules), None));
} else {
self.sub_module_stack
.push((Arc::clone(&self.sub_modules), Some(std::mem::take(&mut self.immutables_cache))));
self.sub_modules = Arc::new(callee_subs.clone());
self.immutables_cache = (0..=callee_subs.len()).map(|_| OnceLock::new()).collect();
}
self.active_reg_limit = sub_n_registers.max(1);
self.pc = 0;
return Ok(true);