#data
interface A {
  stringifier attribute DOMString foo;
};
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "DOMString", "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  stringifier attribute USVString foo;
};
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "USVString", "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  stringifier readonly attribute DOMString foo;
};
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "DOMString", "getter":1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  static stringifier DOMString ();
};
#errors
1;23;webidl:parse error;readonly, ;;m
#processed
{}

#data
interface A {
  stringifier static DOMString ();
};
#errors
1;28;webidl:parse error;readonly, ;;m
#processed
{}

#data
interface A {
  stringifier DOMString ();
};
#errors
#processed
{
  "A": ["interface", {
    "members": {},
    "stringifier": ["operation", {
      "overload_set": {
        "": {
          "args": [],
          "type": "DOMString"
        }
      }
    }]
  }]
}

#data
interface A {
  stringifier USVString ();
};
#errors
1;16;webidl:bad type;;USVString;m
#processed
{
  "A": ["interface", {
    "members": {},
    "stringifier": ["operation", {
      "overload_set": {
        "": {
          "args": [],
          "type": "USVString"
        }
      }
    }]
  }]
}

#data
interface A {
  stringifier long ();
};
#errors
1;16;webidl:bad type;;long;m
#processed
{
  "A": ["interface", {
    "members": {},
    "stringifier": ["operation", {
      "overload_set": {
        "": {
          "args": [],
          "type": "long"
        }
      }
    }]
  }]
}

#data
interface A {
  stringifier attribute DOMString foo;
  stringifier attribute DOMString bar;
};
#errors
1;55;webidl:duplicate;;stringifier;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "DOMString", "getter":1, "setter": 1}],
      "bar": ["attribute", {"type": "DOMString", "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  stringifier attribute DOMString foo;
  stringifier ;
};
#errors
1;55;webidl:duplicate;;stringifier;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "DOMString", "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  stringifier ;
  stringifier attribute DOMString foo;
};
#errors
1;16;webidl:duplicate;;stringifier;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": "DOMString", "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}

#data
interface A {
  stringifier static attribute DOMString foo;
};
#errors
1;28;webidl:parse error;readonly, ;;m
#processed
{}

#data
interface A {
  static stringifier attribute DOMString foo;
};
#errors
1;23;webidl:parse error;readonly, ;;m
#processed
{}

#data
interface A {
  stringifier attribute DOMString? foo;
};
#errors
1;16;webidl:bad type;;stringifier;m
#processed
{
  "A": ["interface", {
    "members": {
      "foo": ["attribute", {"type": ["nullable", "DOMString"], "getter":1, "setter": 1}]
    },
    "stringifier": ["ref_attribute", "foo"]
  }]
}