1 files changed, 26 insertions, 0 deletions
diff --git a/proc-macro-error/proc-macro-error/src/stable.rs b/proc-macro-error/proc-macro-error/src/stable.rs
new file mode 100644
index 0000000..07042d3
--- /dev/null
+++ b/proc-macro-error/proc-macro-error/src/stable.rs
@@ -0,0 +1,26 @@
+use std::cell::RefCell;
+
+use crate::{abort_now, check_correctness, Diagnostic, Level};
+
+pub fn abort_if_dirty() {
+    check_correctness();
+    ERR_STORAGE.with(|storage| {
+        if !storage.borrow().is_empty() {
+            abort_now()
+        }
+    });
+}
+
+pub(crate) fn cleanup() -> Vec<Diagnostic> {
+    ERR_STORAGE.with(|storage| storage.replace(Vec::new()))
+}
+
+pub(crate) fn emit_diagnostic(diag: Diagnostic) {
+    if diag.level == Level::Error {
+        ERR_STORAGE.with(|storage| storage.borrow_mut().push(diag));
+    }
+}
+
+thread_local! {
+    static ERR_STORAGE: RefCell<Vec<Diagnostic>> = RefCell::new(Vec::new());
+}