patch 9.0.2044: Vim9: exceptions confuse defered functions
Problem: Vim9: exceptions confuse defered functions
Solution: save and restore exception state when calling defered
functions
closes: #13364
closes: #13372
Signed-off-by: Christian Brabandt <cb@256bit.org>
Co-authored-by: Yegappan Lakshmanan <yegappan@yahoo.com>
diff --git a/src/vim9execute.c b/src/vim9execute.c
index 1fdff84..dd3d263 100644
--- a/src/vim9execute.c
+++ b/src/vim9execute.c
@@ -1140,8 +1140,23 @@
char_u *name = functv->vval.v_string;
functv->vval.v_string = NULL;
+ // If the deferred function is called after an exception, then only the
+ // first statement in the function will be executed. Save and restore
+ // the try/catch/throw exception state.
+ int save_trylevel = trylevel;
+ int save_did_throw = did_throw;
+ int save_need_rethrow = need_rethrow;
+
+ trylevel = 0;
+ did_throw = FALSE;
+ need_rethrow = FALSE;
+
(void)call_func(name, -1, &rettv, argcount, argvars, &funcexe);
+ trylevel = save_trylevel;
+ did_throw = save_did_throw;
+ need_rethrow = save_need_rethrow;
+
clear_tv(&rettv);
vim_free(name);
}