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// devela::data::value::macros::impls
//
//! Implements the traits: `DataValue`*, `DataType`*, `DataRaw`*.
//
// TOC
// - impl_data_value!
// - impl_data_type!
// - impl_data_raw!
/// Implements the [`DataValue`] trait.
#[allow(unused_macros)]
macro_rules! impl_data_value {
(
v: $Vname:ident, $vbound:ident,
t: $Tname:ident, $tbound:ident,
all_are_copy: $all_are_copy:stmt,
copy:
$( $C_name:ident, $C_type:ty
),* ;
copy@dep:
$( $C_name_dep:ident, $C_type_dep:ty,
$C_dep1_dep:literal, $C_dep2_dep:literal
),* ;
copy@ptr:
$( $C_name_ptr:ident, $C_type_ptr:ty,
$C_ptr_ptr:meta
),* ;
copy@ptrdep:
$( $C_name_ptrdep:ident, $C_type_ptrdep:ty,
$C_ptr_ptrdep:meta,
$C_dep1_ptrdep:literal, $C_dep2_ptrdep:literal
),* ;
noncopy:
$( $N_name:ident, $N_type:ty
),* ;
noncopy@dep:
$( $N_name_dep:ident, $N_type_dep:ty,
$N_dep1_dep:literal, $N_dep2_dep:literal
),* ;
noncopy@ptr:
$( $N_name_ptr:ident, $N_type_ptr:ty,
$N_ptr_ptr:meta
),* ;
noncopy@ptrdep:
$( $N_name_ptrdep:ident, $N_type_ptrdep:ty,
$N_ptr_ptrdep:meta,
$N_dep1_ptrdep:literal, $N_dep2_ptrdep:literal
),* ;
) => { $crate::paste! {
impl<V: $vbound> $crate::DataValue for $Vname<V> {
type Type = $Tname<V::Type>;
fn data_values_are_copy() -> bool { $all_are_copy }
fn data_value_is_copy(&self) -> bool {
match self {
$Vname::None => true,
$Vname::Extra(t) => t.data_value_is_copy(),
$( $Vname::$C_name(_) => true, )*
$( $Vname::$N_name(_) => false, )*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Vname::$C_name_ptr(_) => true,
)* $(
#[cfg($N_ptr_ptr)]
$Vname::$N_name_ptr(_) => false,
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Vname::$C_name_dep(_) => true,
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Vname::$N_name_dep(_) => false,
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep,
feature = $C_dep2_ptrdep))]
$Vname::$C_name_ptrdep(_) => true,
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep,
feature = $N_dep2_ptrdep))]
$Vname::$N_name_ptrdep(_) => false,
)*
}
}
fn data_type(&self) -> Self::Type {
match self {
$Vname::None => Self::Type::None,
$Vname::Extra(t) => Self::Type::Extra(t.data_type()),
$( $Vname::$C_name(_) => Self::Type::$C_name, )*
$( $Vname::$N_name(_) => Self::Type::$N_name, )*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Vname::$C_name_ptr(_) => Self::Type::$C_name_ptr,
)* $(
#[cfg($N_ptr_ptr)]
$Vname::$N_name_ptr(_) => Self::Type::$N_name_ptr,
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Vname::$C_name_dep(_) => Self::Type::$C_name_dep,
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Vname::$N_name_dep(_) => Self::Type::$N_type_dep,
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep,
feature = $C_dep2_ptrdep))]
$Vname::$C_name_ptrdep(_) => Self::Type::$C_name_ptrdep,
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep,
feature = $N_dep2_ptrdep))]
$Vname::$N_name_ptrdep(_) => Self::Type::$N_name_ptrdep,
)*
}
}
}
}};
}
#[allow(unused_imports)]
pub(crate) use impl_data_value;
/// Implements the [`DataType`] trait.
#[allow(unused_macros)]
macro_rules! impl_data_type {
(
v: $Vname:ident, $vbound:ident,
t: $Tname:ident, $tbound:ident,
all_are_copy: $all_are_copy:stmt,
copy:
$( $C_name:ident, $C_type:ty,
[def:$C_def:stmt]
)* ;
copy@dep:
$( $C_name_dep:ident, $C_type_dep:ty,
$C_dep1_dep:literal, $C_dep2_dep:literal,
[def:$C_def_dep:stmt]
)* ;
copy@ptr:
$( $C_name_ptr:ident, $C_type_ptr:ty,
$C_ptr_ptr:meta,
[def:$C_def_ptr:stmt]
)* ;
copy@ptrdep:
$( $C_name_ptrdep:ident, $C_type_ptrdep:ty,
$C_ptr_ptrdep:meta,
$C_dep1_ptrdep:literal, $C_dep2_ptrdep:literal,
[def:$C_def_ptrdep:stmt]
)* ;
noncopy:
$( $N_name:ident, $N_type:ty,
[def:$N_def:stmt]
)* ;
noncopy@dep:
$( $N_name_dep:ident, $N_type_dep:ty,
$N_dep1_dep:literal, $N_dep2_dep:literal,
[def:$N_def_dep:stmt]
)* ;
noncopy@ptr:
$( $N_name_ptr:ident, $N_type_ptr:ty,
$N_ptr_ptr:meta,
[def:$N_def_ptr:stmt]
)* ;
noncopy@ptrdep:
$( $N_name_ptrdep:ident, $N_type_ptrdep:ty,
$N_ptr_ptrdep:meta,
$N_dep1_ptrdep:literal, $N_dep2_ptrdep:literal,
[def:$N_def_ptrdep:stmt]
)* ;
) => { $crate::paste! {
impl<T: $tbound> $crate::DataType for $Tname<T> {
type Value = $Vname<T::Value>;
fn data_values_are_copy() -> bool { $all_are_copy }
fn data_value_is_copy(&self) -> bool {
match self {
$Tname::None => true,
$Tname::Extra(t) => t.data_value_is_copy(),
$( $Tname::$C_name => true, )*
$( $Tname::$N_name => false, )*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Tname::$C_name_ptr => true,
)* $(
#[cfg($N_ptr_ptr)]
$Tname::$N_name_ptr => false,
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Tname::$C_name_dep => true,
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Tname::$N_name_dep => false,
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep,
feature = $C_dep2_ptrdep))]
$Tname::$C_name_ptrdep => true,
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep,
feature = $N_dep2_ptrdep))]
$Tname::$N_name_ptrdep => false,
)*
}
}
fn data_value_default(&self) -> Option<Self::Value> {
match self {
$Tname::None => Some(Self::Value::None),
$Tname::Extra(t) => Some(Self::Value::Extra(t.data_value_default()?)),
$(
$Tname::$C_name =>
$crate::maybe![default: $C_def, $C_type]
.map(Self::Value::$C_name),
)* $(
$Tname::$N_name =>
$crate::maybe![default: $N_def, $N_type]
.map(Self::Value::$N_name),
)*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Tname::$C_name_ptr =>
$crate::maybe![default: $C_def_ptr, $C_type_ptr]
.map(Self::Value::$C_name_ptr),
)* $(
#[cfg($N_ptr_ptr)]
$Tname::$N_name_ptr =>
$crate::maybe![default: $N_def_ptr, $N_type_ptr]
.map(Self::Value::$N_name_ptr),
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Tname::$C_name_dep =>
$crate::maybe![default: $C_def_dep, $C_type_dep]
.map(Self::Value::$C_name_dep),
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Tname::$N_name_dep =>
$crate::maybe![default: $N_def_dep, $N_type_dep]
.map(Self::Value::$N_name_dep),
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep,
feature = $C_dep2_ptrdep))]
$Tname::$C_name_ptrdep =>
$crate::maybe![default: $C_def_ptrdep, $C_type_ptrdep]
.map(Self::Value::$C_name_ptrdep),
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep,
feature = $N_dep2_ptrdep))]
$Tname::$N_name_ptrdep =>
$crate::maybe![default: $N_def_ptrdep, $N_type_ptrdep]
.map(Self::Value::$N_name_ptrdep),
)*
}
}
fn data_value_align(&self) -> usize {
match self {
$Tname::None => align_of::<()>(),
$Tname::Extra(t) => t.data_value_align(),
$( $Tname::$C_name => align_of::<$C_type>(), )*
$( $Tname::$N_name => align_of::<$N_type>(), )*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Tname::$C_name_ptr => align_of::<$C_type_ptr>(),
)* $(
#[cfg($N_ptr_ptr)]
$Tname::$N_name_ptr => align_of::<$N_type_ptr>(),
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Tname::$C_name_dep => align_of::<$C_type_dep>(),
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Tname::$N_name_dep => align_of::<$N_type_dep>(),
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep,
feature = $C_dep2_ptrdep))]
$Tname::$C_name_ptrdep => align_of::<$C_type_ptrdep>(),
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep,
feature = $N_dep2_ptrdep))]
$Tname::$N_name_ptrdep => align_of::<$N_type_ptrdep>(),
)*
}
}
fn data_value_size(&self) -> usize {
match self {
$Tname::None => size_of::<()>(),
$Tname::Extra(t) => t.data_value_size(),
$( $Tname::$C_name => size_of::<$C_type>(), )*
$( $Tname::$N_name => size_of::<$N_type>(), )*
$( // pointer-size dependant
#[cfg($C_ptr_ptr)]
$Tname::$C_name_ptr => size_of::<$C_type_ptr>(),
)* $(
#[cfg($N_ptr_ptr)]
$Tname::$N_name_ptr => size_of::<$N_type_ptr>(),
)*
$( // feature-gated dependencies
#[cfg(all(feature = $C_dep1_dep, feature = $C_dep2_dep))]
$Tname::$C_name_dep => size_of::<$C_type_dep>(),
)* $(
#[cfg(all(feature = $N_dep1_dep, feature = $N_dep2_dep))]
$Tname::$N_name_dep => size_of::<$N_type_dep>(),
)*
$( // pointer-size & feature-gated dependencies
#[cfg(all($C_ptr_ptrdep,
feature = $C_dep1_ptrdep, feature = $C_dep2_ptrdep))]
$Tname::$C_name_ptrdep => size_of::<$C_type_ptrdep>(),
)* $(
#[cfg(all($N_ptr_ptrdep,
feature = $N_dep1_ptrdep, feature = $N_dep2_ptrdep))]
$Tname::$N_name_ptrdep => size_of::<$N_type_ptrdep>(),
)*
}
}
}
}};
}
#[allow(unused_imports)]
pub(crate) use impl_data_type;
/// Implements the [`DataRaw`] trait.
#[cfg(all(not(feature = "safe_data"), feature = "unsafe_layout"))]
#[allow(unused_macros)]
macro_rules! impl_data_raw {
(
r: $Rname:ident,
) => {
unsafe impl DataRaw for $Rname {}
};
}
#[cfg(all(not(feature = "safe_data"), feature = "unsafe_layout"))]
#[allow(unused_imports)]
pub(crate) use impl_data_raw;