diff src/ex_eval.c @ 33613:31fb1a760ad6 v9.0.2050

patch 9.0.2050: Vim9: crash with deferred function call and exception Commit: https://github.com/vim/vim/commit/c59c1e0d88651a71ece7366e418f1253abbe2a28 Author: Yegappan Lakshmanan <yegappan@yahoo.com> Date: Thu Oct 19 10:52:34 2023 +0200 patch 9.0.2050: Vim9: crash with deferred function call and exception Problem: Vim9: crash with deferred function call and exception Solution: Save and restore exception state Crash when a deferred function is called after an exception and another exception is thrown closes: #13376 closes: #13377 Signed-off-by: Christian Brabandt <cb@256bit.org> Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
author Christian Brabandt <cb@256bit.org>
date Thu, 19 Oct 2023 11:00:07 +0200
parents 39698292a849
children 53416c49a7ab
line wrap: on
line diff
--- a/src/ex_eval.c
+++ b/src/ex_eval.c
@@ -748,6 +748,43 @@ finish_exception(except_T *excp)
 }
 
 /*
+ * Save the current exception state in "estate"
+ */
+    void
+exception_state_save(exception_state_T *estate)
+{
+    estate->estate_current_exception = current_exception;
+    estate->estate_did_throw = did_throw;
+    estate->estate_need_rethrow = need_rethrow;
+    estate->estate_trylevel = trylevel;
+}
+
+/*
+ * Restore the current exception state from "estate"
+ */
+    void
+exception_state_restore(exception_state_T *estate)
+{
+    if (current_exception == NULL)
+	current_exception = estate->estate_current_exception;
+    did_throw |= estate->estate_did_throw;
+    need_rethrow |= estate->estate_need_rethrow;
+    trylevel |= estate->estate_trylevel;
+}
+
+/*
+ * Clear the current exception state
+ */
+    void
+exception_state_clear(void)
+{
+    current_exception = NULL;
+    did_throw = FALSE;
+    need_rethrow = FALSE;
+    trylevel = 0;
+}
+
+/*
  * Flags specifying the message displayed by report_pending.
  */
 #define RP_MAKE		0