#data
interface A {
  constructor ();
};
#parsed
{
  "definitions": [
    {
      "index": 0,
      "definition_type": "interface",
      "name": "A",
      "members": [
        {
          "index": 16,
          "member_type": "constructor",
          "arguments": []
        }
      ]
    }
  ]
}

#data
interface A {
  constructor DOMString ();
};
#errors
28;webidl:parse error;(, ;;m

#data
interface A {
  constructor (long... hh);
};
#parsed
{
  "definitions": [
    {
      "index": 0,
      "definition_type": "interface",
      "name": "A",
      "members": [
        {
          "index": 16,
          "member_type": "constructor",
          "arguments": [
            {
              "index": 29,
              "name": "hh",
              "type": "long",
              "variadic": 1
            }
          ]
        }
      ]
    }
  ]
}

#data
interface A {
  constructor (long... hh, long foo);
};
#parsed
{
  "definitions": [
    {
      "index": 0,
      "definition_type": "interface",
      "name": "A",
      "members": [
        {
          "index": 16,
          "member_type": "constructor",
          "arguments": [
            {
              "index": 29,
              "name": "hh",
              "type": "long",
              "variadic": 1
            },
            {
              "index": 41,
              "name": "foo",
              "type": "long"
            }
          ]
        }
      ]
    }
  ]
}

#data
interface A {};
partial interface A {
constructor(optional long foo);
};
#errors
38;webidl:parse error;[, ;;m

#data
interface Foo {
  [*id="dom-foo"*]constructor();
};
#parsed
{
  "definitions": [
    {
      "index": 0,
      "definition_type": "interface",
      "name": "Foo",
      "members": [
        {
          "index": 18,
          "id": "dom-foo",
          "member_type": "constructor",
          "arguments": [
          ]
        }
      ]
    }
  ]
}