{ "type": "Program", "body": [ { "type": "LabeledStatement", "label": { "type": "Identifier", "name": "begin" }, "body": { "type": "BlockStatement", "body": [ { "type": "ForStatement", "init": null, "test": null, "update": null, "body": { "type": "BlockStatement", "body": [ { "type": "BreakStatement", "label": { "type": "Identifier", "name": "begin" } } ] } } ] } } ] } { "type": "Program", "body": [ { "type": "LabeledStatement", "label": { "type": "Identifier", "name": "begin" }, "body": { "type": "BlockStatement", "body": [ { "type": "WhileStatement", "test": { "type": "Literal", "value": true }, "body": { "type": "BlockStatement", "body": [ { "type": "BreakStatement", "label": { "type": "Identifier", "name": "begin" } } ] } } ] } } ] }