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Preallocate SystemStackError; ref #3421

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This commit is contained in:
Yukihiro "Matz" Matsumoto
2017-02-15 11:59:47 +09:00
parent 0376d4d4c6
commit 8efa7b00df
5 changed files with 7 additions and 5 deletions
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src/error.c
+3 -2
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@@ -532,7 +532,7 @@ mrb_no_method_error(mrb_state *mrb, mrb_sym id, mrb_value args, char const* fmt,
void
mrb_init_exception(mrb_state *mrb)
{
struct RClass *exception, *runtime_error, *script_error;
struct RClass *exception, *runtime_error, *script_error, *stack_error;
mrb->eException_class = exception = mrb_define_class(mrb, "Exception", mrb->object_class); /* 15.2.22 */
MRB_SET_INSTANCE_TT(exception, MRB_TT_EXCEPTION);
@@ -553,5 +553,6 @@ mrb_init_exception(mrb_state *mrb)
#endif
script_error = mrb_define_class(mrb, "ScriptError", mrb->eException_class); /* 15.2.37 */
mrb_define_class(mrb, "SyntaxError", script_error); /* 15.2.38 */
mrb_define_class(mrb, "SystemStackError", exception);
stack_error = mrb_define_class(mrb, "SystemStackError", exception);
mrb->stack_err = mrb_obj_ptr(mrb_exc_new_str_lit(mrb, stack_error, "stack level too deep"));
}