J. S. Choi ad59a2c618
Caret topic (pipe operator) (#13749)
* parser: Add caret as topic reference (tests)

* parser: Add caret as topic reference (implement)

* generator: Avoid reconstructing validTopicTokenSet

* babel-parser: Remove redundant throws in expression.js

* Minimize diff

* Update error message

Co-authored-by: Nicolò Ribaudo <nicolo.ribaudo@gmail.com>
2021-10-28 16:04:55 -04:00

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{
"type": "File",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"errors": [
"SyntaxError: Hack-style pipe body does not contain a topic reference; Hack-style pipes must use topic at least once. (1:9)"
],
"program": {
"type": "Program",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"sourceType": "script",
"interpreter": null,
"body": [
{
"type": "ExpressionStatement",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"expression": {
"type": "BinaryExpression",
"start":0,"end":13,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":13}},
"left": {
"type": "Identifier",
"start":0,"end":5,"loc":{"start":{"line":1,"column":0},"end":{"line":1,"column":5},"identifierName":"value"},
"name": "value"
},
"operator": "|>",
"right": {
"type": "MemberExpression",
"start":9,"end":13,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":13}},
"object": {
"type": "Identifier",
"start":9,"end":10,"loc":{"start":{"line":1,"column":9},"end":{"line":1,"column":10},"identifierName":"a"},
"name": "a"
},
"computed": true,
"property": {
"type": "Identifier",
"start":11,"end":12,"loc":{"start":{"line":1,"column":11},"end":{"line":1,"column":12},"identifierName":"b"},
"name": "b"
}
}
}
}
],
"directives": []
}
}