1 files changed, 14 insertions, 0 deletions
diff --git a/src/nvim/api/private/helpers.h b/src/nvim/api/private/helpers.h
index 0ea7667428..8930f252f6 100644
--- a/src/nvim/api/private/helpers.h
+++ b/src/nvim/api/private/helpers.h
@@ -102,6 +102,20 @@ typedef struct {
   int did_emsg;
 } TryState;
 
+// `msg_list` controls the collection of abort-causing non-exception errors,
+// which would otherwise be ignored.  This pattern is from do_cmdline().
+//
+// TODO(bfredl): prepare error-handling at "top level" (nv_event).
+#define TRY_WRAP(code) \
+  do { \
+    struct msglist **saved_msg_list = msg_list; \
+    struct msglist *private_msg_list; \
+    msg_list = &private_msg_list; \
+    private_msg_list = NULL; \
+    code \
+    msg_list = saved_msg_list;  /* Restore the exception context. */ \
+  } while (0)
+
 #ifdef INCLUDE_GENERATED_DECLARATIONS
 # include "api/private/helpers.h.generated.h"
 #endif