#[macro_export]
macro_rules! zerror {
(@inner
$(#[$doc:meta])*
$error_name:ident
[$($(#[$variant1_doc:meta])* $variant1_type:ident as $variant1_ctor:ident counter $counter1_name:path
{ $($(#[$field1_doc:meta])* $field1_name:ident : $field1_type:ty),* };)*]
[$($(#[$variant2_doc:meta])* $variant2_type:ident from $(#[$from2_doc:meta])* $from2_type:ty as $variant2_ctor:ident counter $counter2_name:path;)*]
) => {
$(#[$doc])*
pub enum $error_name {
$($(#[$variant1_doc])* $variant1_type {
#[prototk(1, message)]
core: zerror_core::ErrorCore,
$($(#[$field1_doc])* $field1_name : $field1_type,)*
},)*
$($(#[$variant2_doc])* $variant2_type {
#[prototk(1, message)]
core: zerror_core::ErrorCore,
$(#[$from2_doc])* what : $from2_type,
},)*
}
impl $error_name {
pub fn core(&self) -> &::zerror_core::ErrorCore {
match self {
$($error_name ::$variant1_type { core, $($field1_name: _,)* } => { core },)*
$($error_name ::$variant2_type { core, what: _ } => { core },)*
}
}
pub fn core_mut(&mut self) -> &mut ::zerror_core::ErrorCore {
match self {
$($error_name ::$variant1_type { core, $($field1_name: _,)* } => { core },)*
$($error_name ::$variant2_type { core, what: _ } => { core },)*
}
}
$(
pub fn $variant1_ctor($($field1_name: impl Into<$field1_type>),*) -> Self {
Self::$variant1_type {
core: zerror_core::ErrorCore::new(&$counter1_name),
$($field1_name: $field1_name.into(),)*
}
}
)*
}
impl ::zerror::Z for $error_name {
type Error = Self;
fn long_form(&self) -> String {
format!("{}\n", self) + &self.core().long_form()
}
fn with_info<X: ::std::fmt::Debug>(mut self, name: &str, value: X) -> Self::Error {
self.core_mut().set_info(name, value);
self
}
fn with_lazy_info<F: FnOnce() -> String>(mut self, name: &str, value: F) -> Self::Error {
self.core_mut().set_lazy_info(name, value);
self
}
}
impl std::fmt::Debug for $error_name {
fn fmt(&self, fmt: &mut ::std::fmt::Formatter) -> Result<(), ::std::fmt::Error> {
match self {
_ => { Ok(()) },
}
}
}
impl std::fmt::Display for $error_name {
fn fmt(&self, fmt: &mut ::std::fmt::Formatter) -> Result<(), ::std::fmt::Error> {
use zerror::Z;
write!(fmt, "{}", self.long_form())
}
}
$(
impl From<$from2_type> for $error_name {
fn from(err: $from2_type) -> Self {
Self::$variant2_type {
core: zerror_core::ErrorCore::new(&$counter2_name),
what: err,
}
}
}
)*
};
(@inner
$(#[$doc:meta])*
$error_name:ident
[$($(#[$variant1_doc:meta])* $variant1_type:ident as $variant1_ctor:ident counter $counter1_name:path
{ $($(#[$field1_doc:meta])* $field1_name:ident : $field1_type:ty),* };)*]
[$($(#[$variant2_doc:meta])* $variant2_type:ident from $(#[$from2_doc:meta])* $from2_type:ty as $variant2_ctor:ident counter $counter2_name:path;)*]
$(#[$variant_doc:meta])* $variant_type:ident from $(#[$from_doc:meta])* $from_type:ty as $variant_ctor:ident counter $counter_name:path,
$($tt:tt)*
) => {
zerror!(@inner
$(#[$doc])*
$error_name
[$($(#[$variant1_doc])* $variant1_type as $variant1_ctor counter $counter1_name
{ $($(#[$field1_doc])* $field1_name : $field1_type),* };)*]
[$($(#[$variant2_doc])* $variant2_type from $(#[$from2_doc])* $from2_type as $variant2_ctor counter $counter2_name;)*
$(#[$variant_doc])* $variant_type from $(#[$from_doc])* $from_type as $variant_ctor counter $counter_name;]
$($tt)*);
};
(@inner
$(#[$doc:meta])*
$error_name:ident
[$($(#[$variant1_doc:meta])* $variant1_type:ident as $variant1_ctor:ident counter $counter1_name:path
{ $($(#[$field1_doc:meta])* $field1_name:ident : $field1_type:ty),* };)*]
[$($(#[$variant2_doc:meta])* $variant2_type:ident from $(#[$from2_doc:meta])* $from2_type:ty as $variant2_ctor:ident counter $counter2_name:path;)*]
$(#[$variant_doc:meta])* $variant_type:ident from $(#[$from_doc:meta])* $from_type:ty as $variant_ctor:ident,
$($tt:tt)*
) => {
zerror!(@inner
$(#[$doc])*
$error_name
[$($(#[$variant1_doc])* $variant1_type as $variant1_ctor counter $counter1_name
{ $($(#[$field1_doc])* $field1_name : $field1_type),* };)*]
[$($(#[$variant2_doc])* $variant2_type from $(#[$from2_doc])* $from2_type as $variant2_ctor counter $counter2_name;)*
$(#[$variant_doc])* $variant_type from $(#[$from_doc])* $from_type as $variant_ctor counter zerror_core::DEFAULT_ERROR_CORE;]
$($tt)*);
};
(@inner
$(#[$doc:meta])*
$error_name:ident
[$($(#[$variant1_doc:meta])* $variant1_type:ident as $variant1_ctor:ident counter $counter1_name:path
{ $($(#[$field1_doc:meta])* $field1_name:ident : $field1_type:ty),* };)*]
[$($(#[$variant2_doc:meta])* $variant2_type:ident from $(#[$from2_doc:meta])* $from2_type:ty
as $variant2_ctor:ident counter $counter2_name:path;)*]
$(#[$variant_doc:meta])* $variant_type:ident as $variant_ctor:ident counter $counter_name:path
{ $($(#[$field_doc:meta])* $field_name:ident : $field_type:ty,)* },
$($tt:tt)*
) => {
zerror!(@inner
$(#[$doc])*
$error_name
[$($(#[$variant1_doc])* $variant1_type as $variant1_ctor counter $counter1_name
{ $($(#[$field1_doc])* $field1_name : $field1_type),* };)*
$(#[$variant_doc])* $variant_type as $variant_ctor counter $counter_name
{ $($(#[$field_doc])* $field_name : $field_type),* };]
[$($(#[$variant2_doc])* $variant2_type from $(#[$from2_doc])* $from2_type as $variant2_ctor counter $counter2_name;)*]
$($tt)*);
};
(@inner
$(#[$doc:meta])*
$error_name:ident
[$($(#[$variant1_doc:meta])* $variant1_type:ident as $variant1_ctor:ident counter $counter1_name:path
{ $($(#[$field1_doc:meta])* $field1_name:ident : $field1_type:ty),* };)*]
[$($(#[$variant2_doc:meta])* $variant2_type:ident from $(#[$from2_doc:meta])* $from2_type:ty
as $variant2_ctor:ident counter $counter2_name:path;)*]
$(#[$variant_doc:meta])* $variant_type:ident as $variant_ctor:ident
{ $($(#[$field_doc:meta])* $field_name:ident : $field_type:ty,)* },
$($tt:tt)*
) => {
zerror!(@inner
$(#[$doc])*
$error_name
[$($(#[$variant1_doc])* $variant1_type as $variant1_ctor counter $counter1_name
{ $($(#[$field1_doc])* $field1_name : $field1_type),* };)*
$(#[$variant_doc])* $variant_type as $variant_ctor counter zerror_core::DEFAULT_ERROR_CORE
{ $($(#[$field_doc])* $field_name : $field_type),* };]
[$($(#[$variant2_doc])* $variant2_type from $(#[$from2_doc])* $from2_type as $variant2_ctor counter $counter2_name;)*]
$($tt)*);
};
($(#[$doc:meta])* $error_name:ident { $($tt:tt)* }) => {
zerror!(@inner $(#[$doc])* $error_name [] [] $($tt)*);
};
}