From efaf4732e26e2f0fbfab947296141376223b30d7 Mon Sep 17 00:00:00 2001
From: "Justin M. Keyes" <justinkz@gmail.com>
Date: Sun, 27 Oct 2019 15:26:32 -0700
Subject: lua/executor.c: use TRY_WRAP

---
 src/nvim/api/private/helpers.h | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/nvim/api/private/helpers.h')

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
-- 
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