Such loop may occure when exception occures in constructor of
exception that's beeing created by new_exception().
Signed-off-by: Tomek Grabiec <tgrab...@gmail.com>
---
vm/class.c | 9 +++++++++
1 files changed, 9 insertions(+), 0 deletions(-)
diff --git a/vm/class.c b/vm/class.c
index abb5620..a90290f 100644
--- a/vm/class.c
+++ b/vm/class.c
@@ -28,6 +28,9 @@
#include <vm/die.h>
#include <vm/vm.h>
#include <stdlib.h>
+#include <stdbool.h>
+
+__thread bool in_new_exception;
typedef void (*exception_init_fn)(struct object *, struct object *);
@@ -39,6 +42,9 @@ struct object *new_exception(char *class_name, char *message)
struct object *obj;
Class *e_class;
+ if (in_new_exception)
+ die("%s: loop detected.", __func__);
+
e_class = findSystemClass(class_name);
if (!e_class)
return NULL;
@@ -58,7 +64,10 @@ struct object *new_exception(char *class_name, char *message)
__func__, class_name);
init = method_trampoline_ptr(mb);
+
+ in_new_exception = true;
init(obj, message_str);
+ in_new_exception = false;
return obj;
}
--
1.6.0.6
------------------------------------------------------------------------------
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