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#[macro_export]
macro_rules! decl_external {
($external:ty) => {
impl $crate::ReflectValueType for $external {
fn value_type() -> $crate::ValueType {
$crate::ValueType::External(std::any::TypeId::of::<$external>())
}
fn value_type_info() -> $crate::ValueTypeInfo {
$crate::ValueTypeInfo::External(std::any::type_name::<$external>())
}
}
impl<'a> $crate::ReflectValueType for &'a $external {
fn value_type() -> $crate::ValueType {
$crate::ValueType::External(std::any::TypeId::of::<$external>())
}
fn value_type_info() -> $crate::ValueTypeInfo {
$crate::ValueTypeInfo::External(std::any::type_name::<$external>())
}
}
impl<'a> $crate::ReflectValueType for &'a mut $external {
fn value_type() -> $crate::ValueType {
$crate::ValueType::External(std::any::TypeId::of::<$external>())
}
fn value_type_info() -> $crate::ValueTypeInfo {
$crate::ValueTypeInfo::External(std::any::type_name::<$external>())
}
}
impl $crate::ToValue for $external {
fn to_value(self, vm: &mut $crate::Vm) -> Result<$crate::ValuePtr, $crate::VmError> {
Ok(vm.external_allocate(self))
}
}
impl<'a> $crate::UnsafeToValue for &'a $external {
unsafe fn unsafe_to_value(
self,
vm: &mut $crate::Vm,
) -> Result<$crate::ValuePtr, $crate::VmError> {
Ok(vm.external_allocate_ptr(self))
}
}
impl<'a> $crate::UnsafeToValue for &'a mut $external {
unsafe fn unsafe_to_value(
self,
vm: &mut $crate::Vm,
) -> Result<$crate::ValuePtr, $crate::VmError> {
Ok(vm.external_allocate_mut_ptr(self))
}
}
impl $crate::FromValue for $external {
fn from_value(
value: $crate::ValuePtr,
vm: &mut $crate::Vm,
) -> Result<Self, $crate::VmError> {
let slot = value.into_external(vm)?;
vm.external_take::<$external>(slot)
}
}
impl<'a> $crate::UnsafeFromValue for &'a $external {
type Output = *const $external;
type Guard = $crate::RawRefGuard;
unsafe fn unsafe_from_value(
value: $crate::ValuePtr,
vm: &mut $crate::Vm,
) -> Result<(Self::Output, Self::Guard), $crate::VmError> {
let slot = value.into_external(vm)?;
Ok($crate::Ref::unsafe_into_ref(
vm.external_ref::<$external>(slot)?,
))
}
unsafe fn to_arg(output: Self::Output) -> Self {
&*output
}
}
impl<'a> $crate::UnsafeFromValue for &'a mut $external {
type Output = *mut $external;
type Guard = $crate::RawMutGuard;
unsafe fn unsafe_from_value(
value: $crate::ValuePtr,
vm: &mut $crate::Vm,
) -> Result<(Self::Output, Self::Guard), $crate::VmError> {
let slot = value.into_external(vm)?;
Ok($crate::Mut::unsafe_into_mut(
vm.external_mut::<$external>(slot)?,
))
}
unsafe fn to_arg(output: Self::Output) -> Self {
&mut *output
}
}
};
}