{ "type": "File", "start": 0, "end": 27, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 1, "column": 27 } }, "program": { "type": "Program", "start": 0, "end": 27, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 1, "column": 27 } }, "sourceType": "script", "interpreter": null, "body": [ { "type": "ExpressionStatement", "start": 0, "end": 27, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 1, "column": 27 } }, "expression": { "type": "BinaryExpression", "start": 0, "end": 26, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 1, "column": 26 } }, "left": { "type": "Placeholder", "start": 0, "end": 7, "loc": { "start": { "line": 1, "column": 0 }, "end": { "line": 1, "column": 7 } }, "name": { "type": "Identifier", "start": 2, "end": 5, "loc": { "start": { "line": 1, "column": 2 }, "end": { "line": 1, "column": 5 }, "identifierName": "FOO" }, "name": "FOO" }, "expectedNode": "Expression" }, "operator": "+", "right": { "type": "CallExpression", "start": 10, "end": 26, "loc": { "start": { "line": 1, "column": 10 }, "end": { "line": 1, "column": 26 } }, "callee": { "type": "Placeholder", "start": 10, "end": 17, "loc": { "start": { "line": 1, "column": 10 }, "end": { "line": 1, "column": 17 } }, "name": { "type": "Identifier", "start": 12, "end": 15, "loc": { "start": { "line": 1, "column": 12 }, "end": { "line": 1, "column": 15 }, "identifierName": "BAR" }, "name": "BAR" }, "expectedNode": "Expression" }, "arguments": [ { "type": "Placeholder", "start": 18, "end": 25, "loc": { "start": { "line": 1, "column": 18 }, "end": { "line": 1, "column": 25 } }, "name": { "type": "Identifier", "start": 20, "end": 23, "loc": { "start": { "line": 1, "column": 20 }, "end": { "line": 1, "column": 23 }, "identifierName": "BAZ" }, "name": "BAZ" }, "expectedNode": "Expression" } ] } } } ], "directives": [] } }