admin/mruby-mruby
1
0
Fork 0
mirror of https://github.com/mruby/mruby synced 2026-06-08 16:11:16 +00:00
Code Issues Packages Projects Releases Wiki Activity

Fix crash if #inspect does not return a string value

Browse Source 
case 1
~~~
class A; def inspect; 1; end; end
A.new.a
~~~

case 2

~~~
class A
  def self.inspect
    1
  end
  alias_method :a, :b
end
~~~
This commit is contained in:
sdottaka
2014-12-12 23:05:22 +09:00
parent 4078670bca
commit fe01ce5b02
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/class.c
+2 -2
View File
@@ -1072,7 +1072,7 @@ mrb_method_search(mrb_state *mrb, struct RClass* c, mrb_sym mid)
m = mrb_method_search_vm(mrb, &c, mid);
if (!m) {
mrb_value inspect = mrb_funcall(mrb, mrb_obj_value(c), "inspect", 0);
if (RSTRING_LEN(inspect) > 64) {
if (mrb_string_p(inspect) && RSTRING_LEN(inspect) > 64) {
inspect = mrb_any_to_s(mrb, mrb_obj_value(c));
}
mrb_name_error(mrb, mid, "undefined method '%S' for class %S",
@@ -1324,7 +1324,7 @@ mrb_bob_missing(mrb_state *mrb, mrb_value mod)
}
else if (mrb_respond_to(mrb, mod, inspect) && mrb->c->ci - mrb->c->cibase < 64) {
repr = mrb_funcall_argv(mrb, mod, inspect, 0, 0);
if (RSTRING_LEN(repr) > 64) {
if (mrb_string_p(repr) && RSTRING_LEN(repr) > 64) {
repr = mrb_any_to_s(mrb, mod);
}
}