From 168a3fd34824adc9c6a606cd144219701f15cccf Mon Sep 17 00:00:00 2001
From: Mason Reed <mason@vector35.com>
Date: Wed, 17 Dec 2025 21:23:46 -0500
Subject: [Rust] Replace `log` with `tracing`

- Added more documentation
- Replaced global named logger for plugins, fixing the issue when the CU has multiple (e.g. statically linked demo)
- Simplified some misc code

This is a breaking change, but I believe there is no better time to make it, we cannot continue to use the `log` crate, it is too limited for our needs.
---
 rust/src/ffi.rs | 40 +++++++++++++++++++++++++++++++++++++++-
 1 file changed, 39 insertions(+), 1 deletion(-)

(limited to 'rust/src/ffi.rs')

diff --git a/rust/src/ffi.rs b/rust/src/ffi.rs
index d337df34..b6124dd4 100644
--- a/rust/src/ffi.rs
+++ b/rust/src/ffi.rs
@@ -20,7 +20,7 @@ macro_rules! ffi_wrap {
         use std::process;
 
         panic::catch_unwind(|| $b).unwrap_or_else(|_| {
-            log::error!("ffi callback caught panic: {}", $n);
+            tracing::error!("ffi callback caught panic: {}", $n);
             process::abort()
         })
     }};
@@ -30,3 +30,41 @@ pub(crate) fn time_from_bn(timestamp: u64) -> SystemTime {
     let m = Duration::from_secs(timestamp);
     UNIX_EPOCH + m
 }
+
+#[macro_export]
+macro_rules! ffi_span {
+    ($name:expr, $bv:expr) => {{
+        use $crate::binary_view::BinaryViewExt;
+        #[allow(unused_imports)]
+        use $crate::file_metadata::FileMetadata;
+        tracing::info_span!($name, session_id = $bv.file().session_id().0).entered()
+    }};
+    ($name:expr) => {
+        tracing::info_span!($name).entered()
+    };
+}
+
+macro_rules! new_id_type {
+    ($name:ident, $inner_type:ty) => {
+        #[derive(std::fmt::Debug, Clone, Copy, PartialEq, Eq, Hash, PartialOrd, Ord)]
+        pub struct $name(pub $inner_type);
+
+        impl From<$inner_type> for $name {
+            fn from(value: $inner_type) -> Self {
+                Self(value)
+            }
+        }
+
+        impl From<$name> for $inner_type {
+            fn from(value: $name) -> Self {
+                value.0
+            }
+        }
+
+        impl std::fmt::Display for $name {
+            fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
+                write!(f, "{}", self.0)
+            }
+        }
+    };
+}
-- 
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