Use std::panic::Location to get log location information

rust-lang · Nov 28, 2023 · 54a2103 · 54a2103
1 parent a78c025
commit 54a2103
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Showing 2 changed files with 15 additions and 5 deletions.
diff --git a/src/__private_api.rs b/src/__private_api.rs
@@ -3,7 +3,7 @@
 use self::sealed::KVs;
 use crate::{Level, Metadata, Record};
 use std::fmt::Arguments;
-pub use std::{file, format_args, line, module_path, stringify};
+pub use std::{format_args, module_path, stringify};
 
 #[cfg(feature = "kv_unstable")]
 pub type Value<'a> = dyn crate::kv::value::ToValue + 'a;
@@ -34,6 +34,16 @@ impl<'a> KVs<'a> for () {
     }
 }
 
+#[track_caller]
+pub fn file<'a>() -> &'a str {
+    ::std::panic::Location::caller().file()
+}
+
+#[track_caller]
+pub fn line() -> u32 {
+    ::std::panic::Location::caller().line()
+}
+
 // Log implementation.
 
 fn log_impl(

diff --git a/src/macros.rs b/src/macros.rs
@@ -36,8 +36,8 @@ macro_rules! log {
             $crate::__private_api::log::<&_>(
                 $crate::__private_api::format_args!($($arg)+),
                 lvl,
-                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file!()),
-                $crate::__private_api::line!(),
+                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file()),
+                $crate::__private_api::line(),
                 &[$(($crate::__log_key!($key), &$value)),+]
             );
         }
@@ -50,8 +50,8 @@ macro_rules! log {
             $crate::__private_api::log(
                 $crate::__private_api::format_args!($($arg)+),
                 lvl,
-                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file!()),
-                $crate::__private_api::line!(),
+                &($target, $crate::__private_api::module_path!(), $crate::__private_api::file()),
+                $crate::__private_api::line(),
                 (),
             );
         }