147 lines
4.5 KiB
Rust
147 lines
4.5 KiB
Rust
macro_rules! wrap_free {
|
|
($prefix:ident :: $typ:ty) => {
|
|
paste::paste! {
|
|
#[doc = concat!("Deallocates a [", stringify!($typ), "] instance.")]
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn [<$prefix _free>](instance: NonNull<$typ>) {
|
|
unsafe { $crate::mem::heap_drop(instance) }
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
macro_rules! wrap_clone {
|
|
($prefix:ident :: $typ:ty) => {
|
|
paste::paste! {
|
|
#[doc = concat!("Clones a [", stringify!($typ), "] instance.")]
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn [<$prefix _clone>](instance: NonNull<$typ>) -> NonNull<$typ> {
|
|
unsafe { $crate::mem::heap_clone(instance) }
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
macro_rules! nonnull_as_ref {
|
|
($ident:ident) => {
|
|
$ident.as_ref()
|
|
};
|
|
}
|
|
|
|
macro_rules! nonnull_as_mut {
|
|
($ident:ident) => {
|
|
&mut *$ident.as_ptr()
|
|
};
|
|
}
|
|
|
|
// meta required on purpose, because otherwise the added documentation would suppress warnings
|
|
macro_rules! wrap_method {
|
|
(
|
|
$prefix:ident :: $object_type:ty;
|
|
$(#[$meta:meta])+
|
|
$ref_or_mut:ident fn $function:ident($($param_name:ident: $param_type:ty),*)
|
|
$(-> $return_type:ty$(; |$it:ident | $return_expr:expr)?)?
|
|
$(; let $param_let_name:ident = $param_let_expr:expr)*
|
|
$(;)?
|
|
) => {
|
|
paste::paste! {
|
|
#[doc = concat!(" Calls [`servicepoint::", stringify!($object_type),
|
|
"::", stringify!($function), "`].")]
|
|
#[doc = ""]
|
|
$(#[$meta])*
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn [<$prefix _ $function>](
|
|
instance: NonNull<$object_type>,
|
|
$($param_name: $param_type),*
|
|
) $(-> $return_type)? {
|
|
let instance = unsafe { $crate::macros:: [< nonnull_as_ $ref_or_mut >] !(instance) };
|
|
$(let $param_let_name = $param_let_expr;)*
|
|
#[allow(
|
|
unused_variables,
|
|
reason = "This variable may not be used depending on macro variables" )]
|
|
let result = instance.$function($($param_name),*);
|
|
$(
|
|
$(
|
|
let $it = result;
|
|
let result = $return_expr;
|
|
)?
|
|
return result;
|
|
)?
|
|
}
|
|
}
|
|
};
|
|
}
|
|
|
|
macro_rules! wrap_fields {
|
|
(
|
|
$prefix:ident :: $object_type:ty;
|
|
$(
|
|
prop $prop_name:ident : $prop_type:ty {
|
|
$(
|
|
get() $({
|
|
$(#[$get_meta:meta])*
|
|
$(return $get_expr:expr;)?
|
|
})?;
|
|
)?
|
|
$(
|
|
set($value:ident)
|
|
$({
|
|
$(#[$set_meta:meta])*
|
|
$(return $set_expr:expr;)?
|
|
})?;
|
|
)?
|
|
};
|
|
)+
|
|
) => {
|
|
paste::paste! {
|
|
$(
|
|
$(
|
|
#[doc = concat!("Gets the value of field `", stringify!($prop_name),
|
|
"` of the [`servicepoint::",stringify!($object_type),"`].")]
|
|
$($(
|
|
#[doc = ""]
|
|
#[$get_meta]
|
|
)*)?
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn [<$prefix _ get _ $prop_name>](
|
|
instance: NonNull<$object_type>
|
|
) -> $prop_type {
|
|
let instance = unsafe { $crate::macros::nonnull_as_ref!(instance) };
|
|
let $prop_name = instance.$prop_name;
|
|
$($(
|
|
let $prop_name = $get_expr;
|
|
)?)?
|
|
return $prop_name;
|
|
}
|
|
)?
|
|
|
|
$(
|
|
#[doc = concat!("Sets the value of field `", stringify!($prop_name),
|
|
"` of the [`servicepoint::",stringify!($object_type),"`].")]
|
|
$($(
|
|
#[doc = ""]
|
|
#[$set_meta]
|
|
)*)?
|
|
#[no_mangle]
|
|
pub unsafe extern "C" fn [<$prefix _ set _ $prop_name>](
|
|
instance: NonNull<$object_type>,
|
|
value: $prop_type,
|
|
) {
|
|
let instance = unsafe { $crate::macros::nonnull_as_mut!(instance) };
|
|
$($(
|
|
let $value = value;
|
|
let value = $set_expr;
|
|
)?)?
|
|
instance.$prop_name = value;
|
|
}
|
|
)?
|
|
)+
|
|
}
|
|
};
|
|
}
|
|
|
|
pub(crate) use {
|
|
nonnull_as_mut, nonnull_as_ref, wrap_clone, wrap_fields, wrap_free,
|
|
wrap_method,
|
|
};
|