From 872517dff372ee6fde92c71861abf6ab9fbab958 Mon Sep 17 00:00:00 2001 From: "Yukihiro \"Matz\" Matsumoto" Date: Tue, 8 Nov 2016 23:51:15 +0900 Subject: class variables in higher order have a priority; fix #3235 --- src/variable.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) (limited to 'src') diff --git a/src/variable.c b/src/variable.c index 3b5674923..29f43e69d 100644 --- a/src/variable.c +++ b/src/variable.c @@ -760,13 +760,15 @@ mrb_mod_cv_get(mrb_state *mrb, struct RClass * c, mrb_sym sym) { struct RClass * cls = c; mrb_value v; + int given = FALSE; while (c) { if (c->iv && iv_get(mrb, c->iv, sym, &v)) { - return v; + given = TRUE; } c = c->super; } + if (given) return v; if (cls && cls->tt == MRB_TT_SCLASS) { mrb_value klass; @@ -774,12 +776,14 @@ mrb_mod_cv_get(mrb_state *mrb, struct RClass * c, mrb_sym sym) mrb_intern_lit(mrb, "__attached__")); c = mrb_class_ptr(klass); if (c->tt == MRB_TT_CLASS || c->tt == MRB_TT_MODULE) { + given = FALSE; while (c) { if (c->iv && iv_get(mrb, c->iv, sym, &v)) { - return v; + given = TRUE; } c = c->super; } + if (given) return v; } } mrb_name_error(mrb, sym, "uninitialized class variable %S in %S", -- cgit v1.2.3