add isStatic flag to method/property AST

[chandu0101]

Source :

 static new<T extends keyof DataTypes = keyof DataTypes>(
        value: number|boolean, dtype?: T) {
        const values = [value] as number[] | boolean[];
        return new Scalar({values: toTypedArray(values, dtype)}, dtype);
    }

    static ZERO = Scalar.new(0);
    static ONE = Scalar.new(1);
    static TWO = Scalar.new(2);
    static NEG_ONE = Scalar.new(-1);

    get(): number {
        return this.getValues()[0];
    }

parsed AST

  "properties": [
        {
          "name": "ZERO",
          "start": 15199,
          "end": 15227
        },
        {
          "name": "ONE",
          "start": 15232,
          "end": 15259
        },
        {
          "name": "TWO",
          "start": 15264,
          "end": 15291
        },
        {
          "name": "NEG_ONE",
          "start": 15296,
          "end": 15328
        }
      ],
      "methods": [
        {
          "name": "new",
          "isAbstract": false,
          "start": 14958,
          "end": 15193,
          "parameters": [
            {
              "name": "value",
              "type": "number|boolean",
              "start": 15023,
              "end": 15044
            },
            {
              "name": "dtype",
              "type": "T",
              "start": 15046,
              "end": 15055
            }
          ],
          "variables": [
            {
              "name": "values",
              "isConst": true,
              "isExported": false,
              "start": 15067,
              "end": 15114
            }
          ]
        },
        {
          "name": "get",
          "isAbstract": false,
          "type": "number",
          "start": 15334,
          "end": 15391,
          "parameters": [],
          "variables": []
        },
        {
          "name": "val",
          "isAbstract": false,
          "type": "Promise<number>",
          "start": 15397,
          "end": 15487,
          "parameters": [],
          "variables": []
        },
        {
          "name": "set",
          "isAbstract": false,
          "start": 15493,
          "end": 15556,
          "parameters": [
            {
              "name": "value",
              "type": "number",
              "start": 15497,
              "end": 15510
            }
          ],
          "variables": []
        },
....

new method is static but there is no way to assert the same in AST , same for properties ..

[buehler]

Closed by #91