openharmony/third_party_rust_log
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Turn __static_max_level() into a const

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This commit is contained in:
Steven Fackler 2017-08-12 00:13:52 -07:00
parent 2462ef5197
commit 3a846a6022
3 changed files with 39 additions and 35 deletions
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1
Cargo.toml
View File

@ -43,6 +43,7 @@ travis-ci = { repository = "rust-lang-nursery/log" }
appveyor = { repository = "alexcrichton/log" }
[dependencies]
cfg-if = "0.1.2"
serde = { version = "1.0", optional = true, default-features = false }
[dev-dependencies]

69
src/lib.rs
View File

@ -261,6 +261,9 @@
#[cfg(not(feature = "use_std"))]
extern crate core as std;
#[macro_use]
extern crate cfg_if;
use std::cmp;
#[cfg(feature = "use_std")]
use std::error;
@ -1273,40 +1276,40 @@ pub fn log(record: &Record) {
}
}
// WARNING
// This is not considered part of the crate's public API. It is subject to
// change at any time.
#[inline(always)]
#[doc(hidden)]
pub fn __static_max_level() -> LevelFilter {
if !cfg!(debug_assertions) {
// This is a release build. Check `release_max_level_*` first.
if cfg!(feature = "release_max_level_off") {
return LevelFilter::Off;
} else if cfg!(feature = "release_max_level_error") {
return LevelFilter::Error;
} else if cfg!(feature = "release_max_level_warn") {
return LevelFilter::Warn;
} else if cfg!(feature = "release_max_level_info") {
return LevelFilter::Info;
} else if cfg!(feature = "release_max_level_debug") {
return LevelFilter::Debug;
} else if cfg!(feature = "release_max_level_trace") {
return LevelFilter::Trace;
}
}
if cfg!(feature = "max_level_off") {
LevelFilter::Off
} else if cfg!(feature = "max_level_error") {
LevelFilter::Error
} else if cfg!(feature = "max_level_warn") {
LevelFilter::Warn
} else if cfg!(feature = "max_level_info") {
LevelFilter::Info
} else if cfg!(feature = "max_level_debug") {
LevelFilter::Debug
/// The statically resolved maximum log level.
///
/// See the crate level documentation for information on how to configure this.
///
/// This value is checked by the log macros, but not by the `log` and `enabled`
/// functions. Code that manually calls those functions should compare the level
/// against this value.
pub const STATIC_MAX_LEVEL: LevelFilter = MAX_LEVEL_INNER;
cfg_if! {
if #[cfg(all(not(debug_assertions), feature = "release_max_level_off"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Off;
} else if #[cfg(all(not(debug_assertions), feature = "release_max_level_error"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Error;
} else if #[cfg(all(not(debug_assertions), feature = "release_max_level_warn"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Warn;
} else if #[cfg(all(not(debug_assertions), feature = "release_max_level_info"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Info;
} else if #[cfg(all(not(debug_assertions), feature = "release_max_level_debug"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Debug;
} else if #[cfg(all(not(debug_assertions), feature = "release_max_level_trace"))] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Trace;
} else if #[cfg(feature = "max_level_off")] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Off;
} else if #[cfg(feature = "max_level_error")] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Error;
} else if #[cfg(feature = "max_level_warn")] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Warn;
} else if #[cfg(feature = "max_level_info")] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Info;
} else if #[cfg(feature = "max_level_debug")] {
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Debug;
} else {
LevelFilter::Trace
const MAX_LEVEL_INNER: LevelFilter = LevelFilter::Trace;
}
}

4
src/macros.rs
View File

@ -41,7 +41,7 @@
macro_rules! log {
(target: $target:expr, $lvl:expr, $($arg:tt)+) => ({
let lvl = $lvl;
if lvl <= $crate::__static_max_level() && lvl <= $crate::max_level() {
if lvl <= $crate::STATIC_MAX_LEVEL && lvl <= $crate::max_level() {
$crate::log(
&$crate::RecordBuilder::new()
.args(format_args!($($arg)+))
@ -250,7 +250,7 @@ macro_rules! trace {
macro_rules! log_enabled {
(target: $target:expr, $lvl:expr) => ({
let lvl = $lvl;
lvl <= $crate::__static_max_level() && lvl <= $crate::max_level() &&
lvl <= $crate::STATIC_MAX_LEVEL && lvl <= $crate::max_level() &&
$crate::enabled(
&$crate::MetadataBuilder::new()
.level(lvl)