gix-trace-0.1.10/.cargo_vcs_info.json0000644000000001470000000000100130000ustar { "git": { "sha1": "012a75455edebc857ff13c97c1e7603ea5ea6cdc" }, "path_in_vcs": "gix-trace" }gix-trace-0.1.10/Cargo.toml0000644000000064100000000000100107750ustar # THIS FILE IS AUTOMATICALLY GENERATED BY CARGO # # When uploading crates to the registry Cargo will automatically # "normalize" Cargo.toml files for maximal compatibility # with all versions of Cargo and also rewrite `path` dependencies # to registry (e.g., crates.io) dependencies. # # If you are reading this file be aware that the original Cargo.toml # will likely look very different (and much more reasonable). # See Cargo.toml.orig for the original contents. [package] edition = "2021" rust-version = "1.65" name = "gix-trace" version = "0.1.10" authors = ["Sebastian Thiel "] build = false include = [ "src/**/*", "LICENSE-*", ] autobins = false autoexamples = false autotests = false autobenches = false description = "A crate to provide minimal `tracing` support that can be turned off to zero cost" readme = false license = "MIT OR Apache-2.0" repository = "https://github.com/Byron/gitoxide" [package.metadata.docs.rs] all-features = true features = ["document-features"] [lib] name = "gix_trace" path = "src/lib.rs" test = false doctest = false [dependencies.document-features] version = "0.2.0" optional = true [dependencies.tracing-core] version = "0.1.31" optional = true [features] default = [] tracing = ["dep:tracing-core"] tracing-detail = [] [lints.clippy] bool_to_int_with_if = "allow" borrow_as_ptr = "allow" cast_lossless = "allow" cast_possible_truncation = "allow" cast_possible_wrap = "allow" cast_precision_loss = "allow" cast_sign_loss = "allow" checked_conversions = "allow" copy_iterator = "allow" default_trait_access = "allow" doc_markdown = "allow" empty_docs = "allow" enum_glob_use = "allow" explicit_deref_methods = "allow" explicit_into_iter_loop = "allow" explicit_iter_loop = "allow" filter_map_next = "allow" fn_params_excessive_bools = "allow" from_iter_instead_of_collect = "allow" if_not_else = "allow" ignored_unit_patterns = "allow" implicit_clone = "allow" inconsistent_struct_constructor = "allow" inefficient_to_string = "allow" inline_always = "allow" items_after_statements = "allow" iter_not_returning_iterator = "allow" iter_without_into_iter = "allow" manual_assert = "allow" manual_is_variant_and = "allow" manual_let_else = "allow" manual_string_new = "allow" many_single_char_names = "allow" match_bool = "allow" match_same_arms = "allow" match_wild_err_arm = "allow" match_wildcard_for_single_variants = "allow" missing_errors_doc = "allow" missing_panics_doc = "allow" module_name_repetitions = "allow" must_use_candidate = "allow" mut_mut = "allow" naive_bytecount = "allow" needless_for_each = "allow" needless_pass_by_value = "allow" needless_raw_string_hashes = "allow" no_effect_underscore_binding = "allow" option_option = "allow" range_plus_one = "allow" redundant_else = "allow" return_self_not_must_use = "allow" should_panic_without_expect = "allow" similar_names = "allow" single_match_else = "allow" stable_sort_primitive = "allow" struct_excessive_bools = "allow" struct_field_names = "allow" too_many_lines = "allow" transmute_ptr_to_ptr = "allow" trivially_copy_pass_by_ref = "allow" unnecessary_join = "allow" unnecessary_wraps = "allow" unreadable_literal = "allow" unused_self = "allow" used_underscore_binding = "allow" wildcard_imports = "allow" [lints.clippy.pedantic] level = "warn" priority = -1 [lints.rust] gix-trace-0.1.10/Cargo.toml.orig000064400000000000000000000024211046102023000144540ustar 00000000000000lints.workspace = true [package] name = "gix-trace" description = "A crate to provide minimal `tracing` support that can be turned off to zero cost" repository = "https://github.com/Byron/gitoxide" version = "0.1.10" authors = ["Sebastian Thiel "] license = "MIT OR Apache-2.0" edition = "2021" rust-version = "1.65" include = ["src/**/*", "LICENSE-*"] [lib] doctest = false test = false [features] ## Note that there is no default feature, as the application is supposed to opt-in via `gix-features` or using this crate directly. default = [] ## Implement `tracing` with `tracing-core`, which provides applications with valuable performance details if they opt-in to it. ## ## Note that this may have overhead as well, thus instrumentations should be used stategically, only providing coarse tracing by default and adding details ## only where needed while marking them with the appropriate level. tracing = ["dep:tracing-core"] ## If enabled, detailed tracing is also emitted, which can greatly increase insights but at a cost. tracing-detail = [] [dependencies] tracing-core = { version = "0.1.31", optional = true } document-features = { version = "0.2.0", optional = true } [package.metadata.docs.rs] all-features = true features = ["document-features"] gix-trace-0.1.10/LICENSE-APACHE000064400000000000000000000247461046102023000135270ustar 00000000000000 Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION 1. 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See the License for the specific language governing permissions and limitations under the License. gix-trace-0.1.10/LICENSE-MIT000064400000000000000000000017771046102023000132360ustar 00000000000000Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. gix-trace-0.1.10/src/disabled.rs000064400000000000000000000053451046102023000145010ustar 00000000000000/// A workaround for a clippy warning #[doc(hidden)] #[derive(Clone)] pub struct Span; impl Span { /// A no-op pub fn record(&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)+ }) ); } gix-trace-0.1.10/src/enabled.rs000064400000000000000000000334041046102023000143210ustar 00000000000000use tracing_core::{dispatcher::get_default as with_dispatcher, span, span::Id, Dispatch}; // these are used later in macros. pub use tracing_core::{field, metadata, Event, Metadata}; /// An entered span which will exit on drop. #[derive(Clone)] pub struct Span { id: Option<(Id, Dispatch, &'static Metadata<'static>)>, } impl Span { /// Create a new span. /// /// This constructor is typically invoked by the [`crate::span!`] macro. pub fn new( level: crate::Level, meta: &'static Metadata<'static>, values: &tracing_core::field::ValueSet<'_>, ) -> Self { if level > crate::MAX_LEVEL { Self { id: None } } else { with_dispatcher(|dispatch| { let id = dispatch.new_span(&tracing_core::span::Attributes::new(meta, values)); dispatch.enter(&id); Self { id: Some((id, dispatch.clone(), meta)), } }) } } /// Record a single `field` to take `value`. /// /// ### Panics /// /// If the field name wasn't mentioned when the span was created. pub fn record(&self, field: &str, value: V) -> &Self where V: field::Value, { if let Some((_, _, meta)) = &self.id { let fields = meta.fields(); let field = fields .field(field) .unwrap_or_else(|| panic!("Field name '{field}' must be registered at creation time.")); self.record_all(&fields.value_set(&[(&field, Some(&value as &dyn field::Value))])); } self } fn record_all(&self, values: &field::ValueSet<'_>) -> &Self { if let Some((id, dispatch, _)) = &self.id { let record = span::Record::new(values); dispatch.record(id, &record); } self } } impl Drop for Span { fn drop(&mut self) { if let Some((id, dispatch, _meta)) = self.id.take() { dispatch.exit(&id); dispatch.try_close(id); } } } #[doc(hidden)] pub struct MetaOnlyCallsite(pub &'static Metadata<'static>); impl tracing_core::callsite::Callsite for MetaOnlyCallsite { fn set_interest(&self, _: tracing_core::subscriber::Interest) {} fn metadata(&self) -> &Metadata<'_> { self.0 } } #[doc(hidden)] impl crate::Level { pub const fn into_tracing_level(self) -> tracing_core::Level { match self { crate::Level::Coarse => tracing_core::Level::INFO, crate::Level::Detail => tracing_core::Level::DEBUG, } } } /// A macro to create a span. #[macro_export] macro_rules! span { (target: $target:expr, $lvl:expr, $name:expr, $($fields:tt)*) => { { static META: $crate::Metadata<'static> = { $crate::metadata! { name: $name, target: $target, level: $lvl.into_tracing_level(), fields: $crate::fieldset!( $($fields)* ), callsite: &$crate::MetaOnlyCallsite(&META), kind: $crate::metadata::Kind::SPAN, } }; $crate::Span::new( $lvl, &META, &$crate::valueset!(META.fields(), $($fields)*), ) } }; (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)* } )=> ( { static META: $crate::Metadata<'static> = { $crate::metadata! { name: concat!( "event ", file!(), ":", line!() ), target: $target, level: $lvl, fields: $crate::fieldset!( $($fields)* ), callsite: &$crate::MetaOnlyCallsite(&META), kind: $crate::metadata::Kind::EVENT, } }; $crate::Event::dispatch( &META, &$crate::valueset!(META.fields(), $($fields)*) ); } ); (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)+ }) ); } // Copied from`tracing`, would be nice to have it in `tracing-core`. #[doc(hidden)] #[macro_export] macro_rules! fieldset { // == base case == (@ { $(,)* $($out:expr),* $(,)* } $(,)*) => { &[ $($out),* ] }; // == recursive cases (more tts) == (@ { $(,)* $($out:expr),* } $($k:ident).+ = ?$val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; (@ { $(,)* $($out:expr),* } $($k:ident).+ = %$val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; (@ { $(,)* $($out:expr),* } $($k:ident).+ = $val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; // TODO(#1138): determine a new syntax for uninitialized span fields, and // re-enable this. // (@ { $($out:expr),* } $($k:ident).+ = _, $($rest:tt)*) => { // $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) // }; (@ { $(,)* $($out:expr),* } ?$($k:ident).+, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; (@ { $(,)* $($out:expr),* } %$($k:ident).+, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; (@ { $(,)* $($out:expr),* } $($k:ident).+, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, stringify!($($k).+) } $($rest)*) }; // Handle literal names (@ { $(,)* $($out:expr),* } $k:literal = ?$val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, $k } $($rest)*) }; (@ { $(,)* $($out:expr),* } $k:literal = %$val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, $k } $($rest)*) }; (@ { $(,)* $($out:expr),* } $k:literal = $val:expr, $($rest:tt)*) => { $crate::fieldset!(@ { $($out),*, $k } $($rest)*) }; // Remainder is unparsable, but exists --- must be format args! (@ { $(,)* $($out:expr),* } $($rest:tt)+) => { $crate::fieldset!(@ { "message", $($out),*, }) }; // == entry == ($($args:tt)*) => { $crate::fieldset!(@ { } $($args)*,) }; } // Copied from`tracing`, would be nice to have it in `tracing-core`. #[doc(hidden)] #[macro_export] macro_rules! valueset { // === base case === (@ { $(,)* $($val:expr),* $(,)* }, $next:expr $(,)*) => { &[ $($val),* ] }; // === recursive case (more tts) === // TODO(#1138): determine a new syntax for uninitialized span fields, and // re-enable this. // (@{ $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = _, $($rest:tt)*) => { // $crate::valueset!(@ { $($out),*, (&$next, None) }, $next, $($rest)*) // }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = ?$val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$val) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = %$val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$val) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = $val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$val as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$($k).+ as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, ?$($k:ident).+, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$($k).+) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, %$($k:ident).+, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$($k).+) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = ?$val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$val) as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = %$val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$val) as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+ = $val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$val as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $($k:ident).+) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$($k).+ as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, ?$($k:ident).+) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$($k).+) as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, %$($k:ident).+) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$($k).+) as &dyn Value)) }, $next, ) }; // Handle literal names (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = ?$val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$val) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = %$val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$val) as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = $val:expr, $($rest:tt)*) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$val as &dyn Value)) }, $next, $($rest)* ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = ?$val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&debug(&$val) as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = %$val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&display(&$val) as &dyn Value)) }, $next, ) }; (@ { $(,)* $($out:expr),* }, $next:expr, $k:literal = $val:expr) => { $crate::valueset!( @ { $($out),*, (&$next, Some(&$val as &dyn Value)) }, $next, ) }; // Remainder is unparsable, but exists --- must be format args! (@ { $(,)* $($out:expr),* }, $next:expr, $($rest:tt)+) => { $crate::valueset!(@ { (&$next, Some(&format_args!($($rest)+) as &dyn Value)), $($out),* }, $next, ) }; // === entry === ($fields:expr, $($kvs:tt)+) => { { #[allow(unused_imports)] use $crate::field::{debug, display, Value}; let mut iter = $fields.iter(); $fields.value_set($crate::valueset!( @ { }, iter.next().expect("FieldSet corrupted (this is a bug)"), $($kvs)+ )) } }; ($fields:expr,) => { { $fields.value_set(&[]) } }; } gix-trace-0.1.10/src/lib.rs000064400000000000000000000443641046102023000135040ustar 00000000000000//! A crate providing macros for creating spans in various detail levels. `coarse!` should be used for top-level operations, whereas //! `detail!` should be used in plumbing crates unless their operations are likely to cost a lot of time. //! //! The application is supposed to explicitly turn on tracing via `gix-features`. //! Crates that use `gix-features` should use `gix_features::trace`, and those who don't can use `gix_trace` directly. //! ## Feature Flags #![cfg_attr( all(doc, feature = "document-features"), doc = ::document_features::document_features!() )] #![cfg_attr(all(doc, feature = "document-features"), feature(doc_cfg, doc_auto_cfg))] #![deny(missing_docs, rust_2018_idioms, unsafe_code)] /// The level at which the tracing item should be created. /// /// It's used to filter items early. #[derive(Debug, Copy, Clone, PartialEq, Eq, Ord, PartialOrd)] pub enum Level { /// A coarse-grained trace level, one that should span entire operations with low frequency. Coarse = 1, /// Finer grained trace level that further subdivides coarse-level traces. /// /// Note that these should only be created for areas of the code which have significant cost. Detail = 2, } /// The maximum allowed level for tracing items, as compiled in. #[cfg(feature = "tracing-detail")] pub const MAX_LEVEL: Level = Level::Detail; /// The maximum allowed level for tracing items, as compiled in. #[cfg(not(feature = "tracing-detail"))] pub const MAX_LEVEL: Level = Level::Coarse; #[cfg(feature = "tracing")] mod enabled; #[cfg(feature = "tracing")] pub use enabled::{field, Span}; impl Span { /// Execute `f` in with this span active, consuming it. pub fn into_scope(self, f: impl FnOnce() -> T) -> T { f() } } #[cfg(feature = "tracing")] #[doc(hidden)] pub use enabled::{metadata, Event, MetaOnlyCallsite, Metadata}; #[cfg(not(feature = "tracing"))] mod disabled; #[cfg(not(feature = "tracing"))] pub use disabled::Span; /// pub mod event { #[cfg(feature = "tracing")] pub use tracing_core::Level; /// All available tracing levels for use in `event!()` macro. #[cfg(not(feature = "tracing"))] #[repr(usize)] #[derive(Copy, Clone, Debug, Hash, Eq, PartialEq)] pub enum Level { /// The "trace" level. /// /// Designates very low priority, often extremely verbose, information. TRACE = 0, /// The "debug" level. /// /// Designates lower priority information. DEBUG = 1, /// The "info" level. /// /// Designates useful information. INFO = 2, /// The "warn" level. /// /// Designates hazardous situations. WARN = 3, /// The "error" level. /// /// Designates very serious errors. ERROR = 4, } } /// Create a new [coarse][Level::Coarse] span. #[macro_export] macro_rules! coarse { (target: $target:expr, $name:expr, $($field:tt)*) => { $crate::span!( target: $target, $crate::Level::Coarse, $name, $($field)* ) }; (target: $target:expr, $name:expr) => { $crate::coarse!(target: $target, $name,) }; ($name:expr, $($field:tt)*) => { $crate::span!( target: module_path!(), $crate::Level::Coarse, $name, $($field)* ) }; ($name:expr) => {$crate::coarse!($name,)}; } /// Create a new [detail][Level::Detail] span. #[macro_export] macro_rules! detail { (target: $target:expr, $name:expr, $($field:tt)*) => { $crate::span!( target: $target, $crate::Level::Detail, $name, $($field)* ) }; (target: $target:expr, $name:expr) => { $crate::detail!(target: $target, $name,) }; ($name:expr, $($field:tt)*) => { $crate::span!( target: module_path!(), $crate::Level::Detail, $name, $($field)* ) }; ($name:expr) => {$crate::coarse!($name,)}; } /// Emit an error event. #[macro_export] macro_rules! error { (target: $target:expr, { $($field:tt)* }, $($arg:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::ERROR, { $($field)* }, $($arg)*) ); (target: $target:expr, $($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::ERROR, { $($k).+ $($field)* }) ); (target: $target:expr, ?$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::ERROR, { ?$($k).+ $($field)* }) ); (target: $target:expr, %$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::ERROR, { %$($k).+ $($field)* }) ); (target: $target:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $crate::event::Level::ERROR, {}, $($arg)+) ); ({ $($field:tt)+ }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { $($field)+ }, $($arg)+ ) ); ($($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { $($k).+ = $($field)*} ) ); (?$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { ?$($k).+ = $($field)*} ) ); (%$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { %$($k).+ = $($field)*} ) ); ($($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { $($k).+, $($field)*} ) ); (?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { ?$($k).+, $($field)*} ) ); (%$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { %$($k).+, $($field)*} ) ); (?$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { ?$($k).+ } ) ); (%$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { %$($k).+ } ) ); ($($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, { $($k).+ } ) ); ($($arg:tt)+) => ( $crate::event!( target: module_path!(), $crate::event::Level::ERROR, {}, $($arg)+ ) ); } /// Emit a warn event. #[macro_export] macro_rules! warn { (target: $target:expr, { $($field:tt)* }, $($arg:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::WARN, { $($field)* }, $($arg)*) ); (target: $target:expr, $($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::WARN, { $($k).+ $($field)* }) ); (target: $target:expr, ?$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::WARN, { ?$($k).+ $($field)* }) ); (target: $target:expr, %$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::WARN, { %$($k).+ $($field)* }) ); (target: $target:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $crate::event::Level::WARN, {}, $($arg)+) ); ({ $($field:tt)+ }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { $($field)+ }, $($arg)+ ) ); ($($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { $($k).+ = $($field)*} ) ); (?$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { ?$($k).+ = $($field)*} ) ); (%$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { %$($k).+ = $($field)*} ) ); ($($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { $($k).+, $($field)*} ) ); (?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { ?$($k).+, $($field)*} ) ); (%$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { %$($k).+, $($field)*} ) ); (?$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { ?$($k).+ } ) ); (%$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { %$($k).+ } ) ); ($($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, { $($k).+ } ) ); ($($arg:tt)+) => ( $crate::event!( target: module_path!(), $crate::event::Level::WARN, {}, $($arg)+ ) ); } /// Emit an info event. #[macro_export] macro_rules! info { (target: $target:expr, { $($field:tt)* }, $($arg:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::INFO, { $($field)* }, $($arg)*) ); (target: $target:expr, $($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::INFO, { $($k).+ $($field)* }) ); (target: $target:expr, ?$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::INFO, { ?$($k).+ $($field)* }) ); (target: $target:expr, %$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::INFO, { %$($k).+ $($field)* }) ); (target: $target:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $crate::event::Level::INFO, {}, $($arg)+) ); ({ $($field:tt)+ }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { $($field)+ }, $($arg)+ ) ); ($($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { $($k).+ = $($field)*} ) ); (?$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { ?$($k).+ = $($field)*} ) ); (%$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { %$($k).+ = $($field)*} ) ); ($($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { $($k).+, $($field)*} ) ); (?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { ?$($k).+, $($field)*} ) ); (%$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { %$($k).+, $($field)*} ) ); (?$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { ?$($k).+ } ) ); (%$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { %$($k).+ } ) ); ($($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, { $($k).+ } ) ); ($($arg:tt)+) => ( $crate::event!( target: module_path!(), $crate::event::Level::INFO, {}, $($arg)+ ) ); } /// Emit a debug event. #[macro_export] macro_rules! debug { (target: $target:expr, { $($field:tt)* }, $($arg:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::DEBUG, { $($field)* }, $($arg)*) ); (target: $target:expr, $($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::DEBUG, { $($k).+ $($field)* }) ); (target: $target:expr, ?$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::DEBUG, { ?$($k).+ $($field)* }) ); (target: $target:expr, %$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::DEBUG, { %$($k).+ $($field)* }) ); (target: $target:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $crate::event::Level::DEBUG, {}, $($arg)+) ); ({ $($field:tt)+ }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { $($field)+ }, $($arg)+ ) ); ($($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { $($k).+ = $($field)*} ) ); (?$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { ?$($k).+ = $($field)*} ) ); (%$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { %$($k).+ = $($field)*} ) ); ($($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { $($k).+, $($field)*} ) ); (?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { ?$($k).+, $($field)*} ) ); (%$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { %$($k).+, $($field)*} ) ); (?$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { ?$($k).+ } ) ); (%$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { %$($k).+ } ) ); ($($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, { $($k).+ } ) ); ($($arg:tt)+) => ( $crate::event!( target: module_path!(), $crate::event::Level::DEBUG, {}, $($arg)+ ) ); } /// Emit a trace event. #[macro_export] macro_rules! trace { (target: $target:expr, { $($field:tt)* }, $($arg:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::TRACE, { $($field)* }, $($arg)*) ); (target: $target:expr, $($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::TRACE, { $($k).+ $($field)* }) ); (target: $target:expr, ?$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::TRACE, { ?$($k).+ $($field)* }) ); (target: $target:expr, %$($k:ident).+ $($field:tt)* ) => ( $crate::event!(target: $target, $crate::event::Level::TRACE, { %$($k).+ $($field)* }) ); (target: $target:expr, $($arg:tt)+ ) => ( $crate::event!(target: $target, $crate::event::Level::TRACE, {}, $($arg)+) ); ({ $($field:tt)+ }, $($arg:tt)+ ) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { $($field)+ }, $($arg)+ ) ); ($($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { $($k).+ = $($field)*} ) ); (?$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { ?$($k).+ = $($field)*} ) ); (%$($k:ident).+ = $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { %$($k).+ = $($field)*} ) ); ($($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { $($k).+, $($field)*} ) ); (?$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { ?$($k).+, $($field)*} ) ); (%$($k:ident).+, $($field:tt)*) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { %$($k).+, $($field)*} ) ); (?$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { ?$($k).+ } ) ); (%$($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { %$($k).+ } ) ); ($($k:ident).+) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, { $($k).+ } ) ); ($($arg:tt)+) => ( $crate::event!( target: module_path!(), $crate::event::Level::TRACE, {}, $($arg)+ ) ); }