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use super::array::Array;
use super::code_instance::CodeInstance;
use super::simple_vector::SimpleVector;
use super::Value;
use crate::error::{JlrsError, JlrsResult};
use crate::traits::Cast;
use crate::{impl_julia_type, impl_julia_typecheck, impl_valid_layout};
use jl_sys::{jl_method_instance_t, jl_method_instance_type};
use std::{
fmt::{Debug, Formatter, Result as FmtResult},
marker::PhantomData,
};
#[derive(Copy, Clone, Hash, PartialEq, Eq)]
#[repr(transparent)]
pub struct MethodInstance<'frame>(*mut jl_method_instance_t, PhantomData<&'frame ()>);
impl<'frame> MethodInstance<'frame> {
pub(crate) unsafe fn wrap(method_instance: *mut jl_method_instance_t) -> Self {
MethodInstance(method_instance, PhantomData)
}
#[doc(hidden)]
pub unsafe fn ptr(self) -> *mut jl_method_instance_t {
self.0
}
pub fn def(self) -> Value<'frame, 'static> {
unsafe { Value::wrap((&*self.ptr()).def.value) }
}
pub fn spec_types(self) -> Value<'frame, 'static> {
unsafe { Value::wrap((&*self.ptr()).specTypes) }
}
pub fn sparam_vals(self) -> SimpleVector<'frame> {
unsafe { SimpleVector::wrap((&*self.ptr()).sparam_vals) }
}
pub fn uninferred(self) -> Value<'frame, 'static> {
unsafe { Value::wrap((&*self.ptr()).uninferred) }
}
pub fn backedges(self) -> Array<'frame, 'static> {
unsafe { Array::wrap((&*self.ptr()).backedges) }
}
pub fn cache(self) -> CodeInstance<'frame> {
unsafe { CodeInstance::wrap((&*self.ptr()).cache) }
}
pub fn in_inference(self) -> u8 {
unsafe { (&*self.ptr()).inInference }
}
pub fn as_value(self) -> Value<'frame, 'static> {
self.into()
}
}
impl<'scope> Debug for MethodInstance<'scope> {
fn fmt(&self, f: &mut Formatter<'_>) -> FmtResult {
f.debug_tuple("MethodInstance").finish()
}
}
impl<'frame> Into<Value<'frame, 'static>> for MethodInstance<'frame> {
fn into(self) -> Value<'frame, 'static> {
unsafe { Value::wrap(self.ptr().cast()) }
}
}
unsafe impl<'frame, 'data> Cast<'frame, 'data> for MethodInstance<'frame> {
type Output = Self;
fn cast(value: Value<'frame, 'data>) -> JlrsResult<Self::Output> {
if value.is::<Self::Output>() {
return unsafe { Ok(Self::cast_unchecked(value)) };
}
Err(JlrsError::NotAMethodInstance)?
}
unsafe fn cast_unchecked(value: Value<'frame, 'data>) -> Self::Output {
Self::wrap(value.ptr().cast())
}
}
impl_julia_typecheck!(MethodInstance<'frame>, jl_method_instance_type, 'frame);
impl_julia_type!(MethodInstance<'frame>, jl_method_instance_type, 'frame);
impl_valid_layout!(MethodInstance<'frame>, 'frame);