/// A workaround for a clippy warning#[doc(hidden)]#[derive(Clone)]pub struct Span; impl Span { /// A no-op pub fn record<V>(&self, _field: &str, _value: V) -> &Self { self }} /// A macro to create a span.#[macro_export]macro_rules! span { (target: $target:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { $crate::Span }; (target: $target:expr, $lvl:expr, $name:expr) => { $crate::span!(target: $target, $lvl, $name,) }; ($lvl:expr, $name:expr, $($fields:tt)*) => { $crate::span!( target: module_path!(), $lvl, $name, $($fields)* ) }; ($lvl:expr, $name:expr) => { $crate::span!( target: module_path!(), $lvl, $name, ) };} /// Create an event with the given level.#[macro_export]macro_rules! event { (target: $target:expr, $lvl:expr, { $($fields:tt)* } )=> ( {} ); (target: $target:expr, $lvl:expr, { $($fields:tt)* }, $($arg:tt)+ ) => ( $crate::event!( target: $target, $lvl, { message = format_args!($($arg)+), $($fields)* } ) ); (target: $target:expr, $lvl:expr, $($k:ident).+ = $($fields:tt)* ) => ( $crate::event!(target: $target, $lvl, { $($k).+ = $($fields)* }) ); (target: $target:expr, $lvl:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $lvl, { $($arg)+ }) ); ( $lvl:expr, { $($fields:tt)* }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $lvl, { message = format_args!($($arg)+), $($fields)* } ) ); ($lvl:expr, $($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $lvl, { $($k).+ = $($field)*} ) ); ($lvl:expr, $($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $lvl, { $($k).+, $($field)*} ) ); ($lvl:expr, ?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $lvl, { ?$($k).+, $($field)*} ) ); ($lvl:expr, %$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $lvl, { %$($k).+, $($field)*} ) ); ($lvl:expr, ?$($k:ident).+) => ( $crate::event!($lvl, ?$($k).+,) ); ($lvl:expr, %$($k:ident).+) => ( $crate::event!($lvl, %$($k).+,) ); ($lvl:expr, $($k:ident).+) => ( $crate::event!($lvl, $($k).+,) ); ( $lvl:expr, $($arg:tt)+ ) => ( $crate::event!(target: module_path!(), $lvl, { $($arg)+ }) );}
/// A workaround for a clippy warning
#[doc(hidden)]
#[derive(Clone)]
pub struct Span;
impl Span {
/// A no-op
pub fn record<V>(&self, _field: &str, _value: V) -> &Self {
self
}
}
/// A macro to create a span.
#[macro_export]
macro_rules! span {
(target: $target:expr, $lvl:expr, $name:expr, $($fields:tt)*) => {
$crate::Span
};
(target: $target:expr, $lvl:expr, $name:expr) => {
$crate::span!(target: $target, $lvl, $name,)
};
($lvl:expr, $name:expr, $($fields:tt)*) => {
$crate::span!(
target: module_path!(),
$lvl,
$name,
$($fields)*
)
};
($lvl:expr, $name:expr) => {
$crate::span!(
target: module_path!(),
$lvl,
$name,
)
};
}
/// Create an event with the given level.
#[macro_export]
macro_rules! event {
(target: $target:expr, $lvl:expr, { $($fields:tt)* } )=> (
{}
);
(target: $target:expr, $lvl:expr, { $($fields:tt)* }, $($arg:tt)+ ) => (
$crate::event!(
target: $target,
$lvl,
{ message = format_args!($($arg)+), $($fields)* }
)
);
(target: $target:expr, $lvl:expr, $($k:ident).+ = $($fields:tt)* ) => (
$crate::event!(target: $target, $lvl, { $($k).+ = $($fields)* })
);
(target: $target:expr, $lvl:expr, $($arg:tt)+ ) => (
$crate::event!(target: $target, $lvl, { $($arg)+ })
);
( $lvl:expr, { $($fields:tt)* }, $($arg:tt)+ ) => (
$crate::event!(
target: module_path!(),
$lvl,
{ message = format_args!($($arg)+), $($fields)* }
)
);
($lvl:expr, $($k:ident).+ = $($field:tt)*) => (
$crate::event!(
target: module_path!(),
$lvl,
{ $($k).+ = $($field)*}
)
);
($lvl:expr, $($k:ident).+, $($field:tt)*) => (
$crate::event!(
target: module_path!(),
$lvl,
{ $($k).+, $($field)*}
)
);
($lvl:expr, ?$($k:ident).+, $($field:tt)*) => (
$crate::event!(
target: module_path!(),
$lvl,
{ ?$($k).+, $($field)*}
)
);
($lvl:expr, %$($k:ident).+, $($field:tt)*) => (
$crate::event!(
target: module_path!(),
$lvl,
{ %$($k).+, $($field)*}
)
);
($lvl:expr, ?$($k:ident).+) => (
$crate::event!($lvl, ?$($k).+,)
);
($lvl:expr, %$($k:ident).+) => (
$crate::event!($lvl, %$($k).+,)
);
($lvl:expr, $($k:ident).+) => (
$crate::event!($lvl, $($k).+,)
);
( $lvl:expr, $($arg:tt)+ ) => (
$crate::event!(target: module_path!(), $lvl, { $($arg)+ })
);
}