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__del__ failure is a cold function

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This commit is contained in:
Jeong YunWon
2021-10-17 06:25:04 +09:00
parent 273193f361
commit ecf83ecc3a
1 changed files with 22 additions and 17 deletions
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39
vm/src/pyobjectrc.rs
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@@ -3,7 +3,7 @@ use crate::common::{
rc::{PyRc, PyWeak},
};
use crate::{
builtins::{PyDictRef, PyTypeRef},
builtins::{PyBaseExceptionRef, PyDictRef, PyTypeRef},
IdProtocol, PyObjectPayload, TypeProtocol, VirtualMachine,
};
use std::any::TypeId;
@@ -353,22 +353,7 @@ impl Drop for PyObjectRef {
if let Some(del_slot) = self.class().mro_find_map(|cls| cls.slots.del.load()) {
let ret = crate::vm::thread::with_vm(&zelf, |vm| {
if let Err(e) = del_slot(&zelf, vm) {
// exception in del will be ignored but printed
print!("Exception ignored in: ",);
let del_method = zelf.get_class_attr("__del__").unwrap();
let repr = vm.to_repr(&del_method);
match repr {
Ok(v) => println!("{}", v.to_string()),
Err(_) => println!("{}", del_method.class().name()),
}
let tb_module = vm.import("traceback", None, 0).unwrap();
// TODO: set exc traceback
let print_stack = vm.get_attribute(tb_module, "print_stack").unwrap();
vm.invoke(&print_stack, ()).unwrap();
if let Ok(repr) = vm.to_repr(e.as_object()) {
println!("{}", repr.as_str());
}
print_del_error(e, &zelf, vm);
}
});
if ret.is_none() {
@@ -381,6 +366,26 @@ impl Drop for PyObjectRef {
}
}
#[cold]
fn print_del_error(e: PyBaseExceptionRef, zelf: &PyObjectRef, vm: &VirtualMachine) {
// exception in del will be ignored but printed
print!("Exception ignored in: ",);
let del_method = zelf.get_class_attr("__del__").unwrap();
let repr = vm.to_repr(&del_method);
match repr {
Ok(v) => println!("{}", v.to_string()),
Err(_) => println!("{}", del_method.class().name()),
}
let tb_module = vm.import("traceback", None, 0).unwrap();
// TODO: set exc traceback
let print_stack = vm.get_attribute(tb_module, "print_stack").unwrap();
vm.invoke(&print_stack, ()).unwrap();
if let Ok(repr) = vm.to_repr(e.as_object()) {
println!("{}", repr.as_str());
}
}
impl fmt::Debug for PyObjectRef {
fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result {
// SAFETY: the vtable contains functions that accept payload types that always match up