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feat: 添加 session arena 与逃逸晋升

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爱特每羊队
2026-06-16 12:36:52 +08:00
parent 11d6696531
commit 94beeb350b
10 changed files with 544 additions and 23 deletions
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crates/oxide_vm/src/dispatch/property.rs
+22 -14
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@@ -136,24 +136,25 @@ impl Vm {
let prop_name_si = self.property_key_si(self.regs[b]);
if self.kernel_core.string_forge().lookup(prop_name_si).as_deref() == Some("__proto__") {
let obj = unsafe { &mut *obj_ptr };
if self.is_object_prototype(obj_ptr) && !self.regs[a].is_null() {
let proto_value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[a]);
if self.is_object_prototype(obj_ptr) && !proto_value.is_null() {
self.raise_type_error("Object.prototype.__proto__ is immutable")?;
self.pc += 3;
return Ok(());
}
obj.set_proto(self.regs[a]).map_err(|e| e.to_string())?;
let obj = unsafe { &mut *obj_ptr };
obj.set_proto(proto_value).map_err(|e| e.to_string())?;
self.pc += 3;
return Ok(());
}
let obj = unsafe { &mut *obj_ptr };
let ext0 = self.bytecode[self.pc];
let ext1 = self.bytecode[self.pc + 1];
let _ext2 = self.bytecode[self.pc + 2];
self.pc += 3;
let value = self.regs[a];
let value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[a]);
let receiver = self.regs[rd];
let obj = unsafe { &mut *obj_ptr };
if obj.has_prop_meta() {
self.ordinary_set_dispatch(obj, prop_name_si, value, receiver)?;
return Ok(());
@@ -209,17 +210,20 @@ impl Vm {
let Some(obj_ptr) = self.checked_object_ptr(self.regs[rd], "SET_PROP on non-object")? else {
return Ok(());
};
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.property_key_si(self.regs[b]);
if self.kernel_core.string_forge().lookup(prop_name_si).as_deref() == Some("__proto__") {
if self.is_object_prototype(obj_ptr) && !self.regs[a].is_null() {
let proto_value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[a]);
if self.is_object_prototype(obj_ptr) && !proto_value.is_null() {
self.raise_type_error("Object.prototype.__proto__ is immutable")?;
return Ok(());
}
obj.set_proto(self.regs[a]).map_err(|e| e.to_string())?;
let obj = unsafe { &mut *obj_ptr };
obj.set_proto(proto_value).map_err(|e| e.to_string())?;
return Ok(());
}
self.ordinary_set_dispatch(obj, prop_name_si, self.regs[a], self.regs[rd])?;
let value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[a]);
let obj = unsafe { &mut *obj_ptr };
self.ordinary_set_dispatch(obj, prop_name_si, value, self.regs[rd])?;
Ok(())
}
@@ -240,17 +244,20 @@ impl Vm {
let Some(obj_ptr) = self.checked_object_ptr(self.regs[rd], "SET_PROP_DYNAMIC on non-object")? else {
return Ok(());
};
let obj = unsafe { &mut *obj_ptr };
let prop_name_si = self.property_key_si(self.regs[a]);
if self.kernel_core.string_forge().lookup(prop_name_si).as_deref() == Some("__proto__") {
if self.is_object_prototype(obj_ptr) && !self.regs[b].is_null() {
let proto_value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[b]);
if self.is_object_prototype(obj_ptr) && !proto_value.is_null() {
self.raise_type_error("Object.prototype.__proto__ is immutable")?;
return Ok(());
}
obj.set_proto(self.regs[b]).map_err(|e| e.to_string())?;
let obj = unsafe { &mut *obj_ptr };
obj.set_proto(proto_value).map_err(|e| e.to_string())?;
return Ok(());
}
self.ordinary_set_dispatch(obj, prop_name_si, self.regs[b], self.regs[rd])?;
let value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[b]);
let obj = unsafe { &mut *obj_ptr };
self.ordinary_set_dispatch(obj, prop_name_si, value, self.regs[rd])?;
Ok(())
}
@@ -265,8 +272,9 @@ impl Vm {
} else {
0
};
let value = self.promote_if_needed_for_write_ptr(obj_ptr, self.regs[b]);
let obj = unsafe { &mut *obj_ptr };
obj.set_prop_at(idx, self.regs[b]);
obj.set_prop_at(idx, value);
Ok(())
}
}