{ "type": "Program", "statements": [ { "type": "VariableDeclaration", "declarations": [ { "type": "VariableDeclarator", "id": { "type": "Identifier", "name": "abstract", "loc": { "start": { "line": 17, "column": 5 }, "end": { "line": 17, "column": 13 } } }, "init": { "type": "NumberLiteral", "value": 1, "loc": { "start": { "line": 17, "column": 16 }, "end": { "line": 17, "column": 17 } } }, "loc": { "start": { "line": 17, "column": 5 }, "end": { "line": 17, "column": 17 } } } ], "kind": "var", "loc": { "start": { "line": 17, "column": 1 }, "end": { "line": 17, "column": 18 } } }, { "type": "ExpressionStatement", "expression": { "type": "AssignmentExpression", "operator": "=", "left": { "type": "Identifier", "name": "abstract", "loc": { "start": { "line": 18, "column": 1 }, "end": { "line": 18, "column": 9 } } }, "right": { "type": "NumberLiteral", "value": 2, "loc": { "start": { "line": 18, "column": 12 }, "end": { "line": 18, "column": 13 } } }, "loc": { "start": { "line": 18, "column": 1 }, "end": { "line": 18, "column": 13 } } }, "loc": { "start": { "line": 18, "column": 1 }, "end": { "line": 18, "column": 14 } } }, { "type": "ExpressionStatement", "expression": { "type": "UpdateExpression", "operator": "++", "prefix": false, "argument": { "type": "Identifier", "name": "abstract", "loc": { "start": { "line": 19, "column": 1 }, "end": { "line": 19, "column": 9 } } }, "loc": { "start": { "line": 19, "column": 1 }, "end": { "line": 19, "column": 11 } } }, "loc": { "start": { "line": 19, "column": 1 }, "end": { "line": 19, "column": 12 } } }, { "type": "ClassDeclaration", "definition": { "id": { "type": "Identifier", "name": "C", "loc": { "start": { "line": 21, "column": 16 }, "end": { "line": 21, "column": 17 } } }, "superClass": null, "implements": [], "constructor": { "type": "MethodDefinition", "key": { "type": "Identifier", "name": "constructor", "loc": { "start": { "line": 1, "column": 1 }, "end": { "line": 1, "column": 1 } } }, "kind": "constructor", "static": false, "optional": false, "computed": false, "value": { "type": "FunctionExpression", "function": { "type": "ScriptFunction", "id": null, "generator": false, "async": false, "expression": false, "params": [], "body": { "type": "BlockStatement", "statements": [], "loc": { "start": { "line": 1, "column": 1 }, "end": { "line": 1, "column": 1 } } }, "loc": { "start": { "line": 1, "column": 1 }, "end": { "line": 1, "column": 1 } } }, "loc": { "start": { "line": 1, "column": 1 }, "end": { "line": 1, "column": 1 } } }, "overloads": [], "decorators": [], "loc": { "start": { "line": 21, "column": 10 }, "end": { "line": 24, "column": 2 } } }, "body": [ { "type": "ClassProperty", "key": { "type": "Identifier", "name": "abstract", "loc": { "start": { "line": 22, "column": 3 }, "end": { "line": 22, "column": 11 } } }, "value": { "type": "NumberLiteral", "value": 1, "loc": { "start": { "line": 22, "column": 14 }, "end": { "line": 22, "column": 15 } } }, "static": false, "readonly": false, "declare": false, "optional": false, "computed": false, "decorators": [], "loc": { "start": { "line": 22, "column": 3 }, "end": { "line": 22, "column": 15 } } }, { "type": "ClassProperty", "key": { "type": "Identifier", "name": "a", "loc": { "start": { "line": 23, "column": 12 }, "end": { "line": 23, "column": 13 } } }, "abstract": true, "static": false, "readonly": false, "declare": false, "optional": false, "computed": false, "decorators": [], "loc": { "start": { "line": 23, "column": 3 }, "end": { "line": 23, "column": 13 } } } ], "indexSignatures": [], "loc": { "start": { "line": 21, "column": 18 }, "end": { "line": 24, "column": 2 } } }, "decorators": [], "loc": { "start": { "line": 21, "column": 10 }, "end": { "line": 24, "column": 2 } } } ], "loc": { "start": { "line": 1, "column": 1 }, "end": { "line": 24, "column": 2 } } }