1 files changed, 67 insertions, 0 deletions
diff --git a/vendor/sharded-slab/src/macros.rs b/vendor/sharded-slab/src/macros.rs
new file mode 100644
index 000000000..e431f64f1
--- /dev/null
+++ b/vendor/sharded-slab/src/macros.rs
@@ -0,0 +1,67 @@
+macro_rules! test_println {
+    ($($arg:tt)*) => {
+        if cfg!(test) && cfg!(slab_print) {
+            if std::thread::panicking() {
+                // getting the thread ID while panicking doesn't seem to play super nicely with loom's
+                // mock lazy_static...
+                println!("[PANIC {:>17}:{:<3}] {}", file!(), line!(), format_args!($($arg)*))
+            } else {
+                println!("[{:?} {:>17}:{:<3}] {}", crate::Tid::<crate::DefaultConfig>::current(), file!(), line!(), format_args!($($arg)*))
+            }
+        }
+    }
+}
+
+#[cfg(all(test, loom))]
+macro_rules! test_dbg {
+    ($e:expr) => {
+        match $e {
+            e => {
+                test_println!("{} = {:?}", stringify!($e), &e);
+                e
+            }
+        }
+    };
+}
+
+macro_rules! panic_in_drop {
+    ($($arg:tt)*) => {
+        if !std::thread::panicking() {
+            panic!($($arg)*)
+        } else {
+            let thread = std::thread::current();
+            eprintln!(
+                "thread '{thread}' attempted to panic at '{msg}', {file}:{line}:{col}\n\
+                note: we were already unwinding due to a previous panic.",
+                thread = thread.name().unwrap_or("<unnamed>"),
+                msg = format_args!($($arg)*),
+                file = file!(),
+                line = line!(),
+                col = column!(),
+            );
+        }
+    }
+}
+
+macro_rules! debug_assert_eq_in_drop {
+    ($this:expr, $that:expr) => {
+        debug_assert_eq_in_drop!(@inner $this, $that, "")
+    };
+    ($this:expr, $that:expr, $($arg:tt)+) => {
+        debug_assert_eq_in_drop!(@inner $this, $that, format_args!(": {}", format_args!($($arg)+)))
+    };
+    (@inner $this:expr, $that:expr, $msg:expr) => {
+        if cfg!(debug_assertions) {
+            if $this != $that {
+                panic_in_drop!(
+                    "assertion failed ({} == {})\n  left: `{:?}`,\n right: `{:?}`{}",
+                    stringify!($this),
+                    stringify!($that),
+                    $this,
+                    $that,
+                    $msg,
+                )
+            }
+        }
+    }
+}