diff options
Diffstat (limited to 'src/error.c')
| -rw-r--r-- | src/error.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/src/error.c b/src/error.c index 1adf5cb05..1f352c853 100644 --- a/src/error.c +++ b/src/error.c @@ -134,20 +134,23 @@ exc_inspect(mrb_state *mrb, mrb_value exc) mrb_str_cat2(mrb, str, ":"); mrb_str_append(mrb, str, line); mrb_str_cat2(mrb, str, ": "); - if (RSTRING_LEN(mesg) > 0) { + if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) { mrb_str_append(mrb, str, mesg); mrb_str_cat2(mrb, str, " ("); } mrb_str_cat2(mrb, str, mrb_obj_classname(mrb, exc)); - if (RSTRING_LEN(mesg) > 0) { + if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) { mrb_str_cat2(mrb, str, ")"); } } else { str = mrb_str_new2(mrb, mrb_obj_classname(mrb, exc)); - if (RSTRING_LEN(mesg) > 0) { + if (!mrb_nil_p(mesg) && RSTRING_LEN(mesg) > 0) { mrb_str_cat2(mrb, str, ": "); mrb_str_append(mrb, str, mesg); + } else { + mrb_str_cat2(mrb, str, ": "); + mrb_str_cat2(mrb, str, mrb_obj_classname(mrb, exc)); } } return str; |