Initial vendor packages

Signed-off-by: Valentin Popov <valentin@popov.link>

1 files changed, 240 insertions, 0 deletions

diff --git a/vendor/log/src/macros.rs b/vendor/log/src/macros.rs
new file mode 100644
index 0000000..281ff25
--- /dev/null
+++ b/vendor/log/src/macros.rs
@@ -0,0 +1,240 @@
+// Copyright 2014-2015 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+/// The standard logging macro.
+///
+/// This macro will generically log with the specified `Level` and `format!`
+/// based argument list.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::{log, Level};
+///
+/// # fn main() {
+/// let data = (42, "Forty-two");
+/// let private_data = "private";
+///
+/// log!(Level::Error, "Received errors: {}, {}", data.0, data.1);
+/// log!(target: "app_events", Level::Warn, "App warning: {}, {}, {}",
+///     data.0, data.1, private_data);
+/// # }
+/// ```
+#[macro_export]
+macro_rules! log {
+    // log!(target: "my_target", Level::Info, key1 = 42, key2 = true; "a {} event", "log");
+    (target: $target:expr, $lvl:expr, $($key:tt = $value:expr),+; $($arg:tt)+) => ({
+        let lvl = $lvl;
+        if lvl <= $crate::STATIC_MAX_LEVEL && lvl <= $crate::max_level() {
+            $crate::__private_api::log(
+                $crate::__private_api::format_args!($($arg)+),
+                lvl,
+                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file!()),
+                $crate::__private_api::line!(),
+                $crate::__private_api::Option::Some(&[$(($crate::__log_key!($key), &$value)),+])
+            );
+        }
+    });
+
+    // log!(target: "my_target", Level::Info, "a {} event", "log");
+    (target: $target:expr, $lvl:expr, $($arg:tt)+) => ({
+        let lvl = $lvl;
+        if lvl <= $crate::STATIC_MAX_LEVEL && lvl <= $crate::max_level() {
+            $crate::__private_api::log(
+                $crate::__private_api::format_args!($($arg)+),
+                lvl,
+                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file!()),
+                $crate::__private_api::line!(),
+                $crate::__private_api::Option::None,
+            );
+        }
+    });
+
+    // log!(Level::Info, "a log event")
+    ($lvl:expr, $($arg:tt)+) => ($crate::log!(target: $crate::__private_api::module_path!(), $lvl, $($arg)+));
+}
+
+/// Logs a message at the error level.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::error;
+///
+/// # fn main() {
+/// let (err_info, port) = ("No connection", 22);
+///
+/// error!("Error: {} on port {}", err_info, port);
+/// error!(target: "app_events", "App Error: {}, Port: {}", err_info, 22);
+/// # }
+/// ```
+#[macro_export]
+macro_rules! error {
+    // error!(target: "my_target", key1 = 42, key2 = true; "a {} event", "log")
+    // error!(target: "my_target", "a {} event", "log")
+    (target: $target:expr, $($arg:tt)+) => ($crate::log!(target: $target, $crate::Level::Error, $($arg)+));
+
+    // error!("a {} event", "log")
+    ($($arg:tt)+) => ($crate::log!($crate::Level::Error, $($arg)+))
+}
+
+/// Logs a message at the warn level.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::warn;
+///
+/// # fn main() {
+/// let warn_description = "Invalid Input";
+///
+/// warn!("Warning! {}!", warn_description);
+/// warn!(target: "input_events", "App received warning: {}", warn_description);
+/// # }
+/// ```
+#[macro_export]
+macro_rules! warn {
+    // warn!(target: "my_target", key1 = 42, key2 = true; "a {} event", "log")
+    // warn!(target: "my_target", "a {} event", "log")
+    (target: $target:expr, $($arg:tt)+) => ($crate::log!(target: $target, $crate::Level::Warn, $($arg)+));
+
+    // warn!("a {} event", "log")
+    ($($arg:tt)+) => ($crate::log!($crate::Level::Warn, $($arg)+))
+}
+
+/// Logs a message at the info level.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::info;
+///
+/// # fn main() {
+/// # struct Connection { port: u32, speed: f32 }
+/// let conn_info = Connection { port: 40, speed: 3.20 };
+///
+/// info!("Connected to port {} at {} Mb/s", conn_info.port, conn_info.speed);
+/// info!(target: "connection_events", "Successful connection, port: {}, speed: {}",
+///       conn_info.port, conn_info.speed);
+/// # }
+/// ```
+#[macro_export]
+macro_rules! info {
+    // info!(target: "my_target", key1 = 42, key2 = true; "a {} event", "log")
+    // info!(target: "my_target", "a {} event", "log")
+    (target: $target:expr, $($arg:tt)+) => ($crate::log!(target: $target, $crate::Level::Info, $($arg)+));
+
+    // info!("a {} event", "log")
+    ($($arg:tt)+) => ($crate::log!($crate::Level::Info, $($arg)+))
+}
+
+/// Logs a message at the debug level.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::debug;
+///
+/// # fn main() {
+/// # struct Position { x: f32, y: f32 }
+/// let pos = Position { x: 3.234, y: -1.223 };
+///
+/// debug!("New position: x: {}, y: {}", pos.x, pos.y);
+/// debug!(target: "app_events", "New position: x: {}, y: {}", pos.x, pos.y);
+/// # }
+/// ```
+#[macro_export]
+macro_rules! debug {
+    // debug!(target: "my_target", key1 = 42, key2 = true; "a {} event", "log")
+    // debug!(target: "my_target", "a {} event", "log")
+    (target: $target:expr, $($arg:tt)+) => ($crate::log!(target: $target, $crate::Level::Debug, $($arg)+));
+
+    // debug!("a {} event", "log")
+    ($($arg:tt)+) => ($crate::log!($crate::Level::Debug, $($arg)+))
+}
+
+/// Logs a message at the trace level.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::trace;
+///
+/// # fn main() {
+/// # struct Position { x: f32, y: f32 }
+/// let pos = Position { x: 3.234, y: -1.223 };
+///
+/// trace!("Position is: x: {}, y: {}", pos.x, pos.y);
+/// trace!(target: "app_events", "x is {} and y is {}",
+///        if pos.x >= 0.0 { "positive" } else { "negative" },
+///        if pos.y >= 0.0 { "positive" } else { "negative" });
+/// # }
+/// ```
+#[macro_export]
+macro_rules! trace {
+    // trace!(target: "my_target", key1 = 42, key2 = true; "a {} event", "log")
+    // trace!(target: "my_target", "a {} event", "log")
+    (target: $target:expr, $($arg:tt)+) => ($crate::log!(target: $target, $crate::Level::Trace, $($arg)+));
+
+    // trace!("a {} event", "log")
+    ($($arg:tt)+) => ($crate::log!($crate::Level::Trace, $($arg)+))
+}
+
+/// Determines if a message logged at the specified level in that module will
+/// be logged.
+///
+/// This can be used to avoid expensive computation of log message arguments if
+/// the message would be ignored anyway.
+///
+/// # Examples
+///
+/// ```edition2018
+/// use log::Level::Debug;
+/// use log::{debug, log_enabled};
+///
+/// # fn foo() {
+/// if log_enabled!(Debug) {
+///     let data = expensive_call();
+///     debug!("expensive debug data: {} {}", data.x, data.y);
+/// }
+/// if log_enabled!(target: "Global", Debug) {
+///    let data = expensive_call();
+///    debug!(target: "Global", "expensive debug data: {} {}", data.x, data.y);
+/// }
+/// # }
+/// # struct Data { x: u32, y: u32 }
+/// # fn expensive_call() -> Data { Data { x: 0, y: 0 } }
+/// # fn main() {}
+/// ```
+#[macro_export]
+macro_rules! log_enabled {
+    (target: $target:expr, $lvl:expr) => {{
+        let lvl = $lvl;
+        lvl <= $crate::STATIC_MAX_LEVEL
+            && lvl <= $crate::max_level()
+            && $crate::__private_api::enabled(lvl, $target)
+    }};
+    ($lvl:expr) => {
+        $crate::log_enabled!(target: $crate::__private_api::module_path!(), $lvl)
+    };
+}
+
+#[doc(hidden)]
+#[macro_export]
+macro_rules! __log_key {
+    // key1 = 42
+    ($($args:ident)*) => {
+        $crate::__private_api::stringify!($($args)*)
+    };
+    // "key1" = 42
+    ($($args:expr)*) => {
+        $($args)*
+    };
+}