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Support ParanthesizedExpressions in checkLval

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This commit is contained in:
Sebastian McKenzie 2014-11-09 13:07:00 +11:00
parent 9d3580b23a
commit 521ab6c11d
2 changed files with 110 additions and 0 deletions
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4
acorn.js
View File

@ -1386,6 +1386,10 @@
}
break;
case "ParenthesizedExpression":
toAssignable(node.expression, allowSpread, checkType);
break;
default:
if (checkType) unexpected(node.start);
}

106
test/tests-harmony.js
View File

@ -4448,6 +4448,112 @@ test("var {a:b} = {}", {
locations: true
});
test("({ x }) = { x: 5 }", {
type: "Program",
loc: {
start: {line: 1, column: 0},
end: {line: 1, column: 18}
},
body: [{
type: "ExpressionStatement",
loc: {
start: {line: 1, column: 0},
end: {line: 1, column: 18}
},
expression: {
type: "AssignmentExpression",
loc: {
start: {line: 1, column: 0},
end: {line: 1, column: 18}
},
operator: "=",
left: {
type: "ParenthesizedExpression",
loc: {
start: {line: 1, column: 0},
end: {line: 1, column: 7}
},
expression: {
type: "ObjectPattern",
loc: {
start: {line: 1, column: 1},
end: {line: 1, column: 6}
},
properties: [
{
type: "Property",
loc: {
start: {line: 1, column: 3},
end: {line: 1, column: 4}
},
method: false,
shorthand: true,
computed: false,
key: {
type: "Identifier",
loc: {
start: {line: 1, column: 3},
end: {line: 1, column: 4}
},
name: "x"
},
kind: "init",
value: {
type: "Identifier",
loc: {
start: {line: 1, column: 3},
end: {line: 1, column: 4}
},
name: "x"
}
}
]
}
},
right: {
type: "ObjectExpression",
loc: {
start: {line: 1, column: 10},
end: {line: 1, column: 18}
},
properties: [{
type: "Property",
loc: {
start: {line: 1, column: 12},
end: {line: 1, column: 16}
},
method: false,
shorthand: false,
computed: false,
key: {
type: "Identifier",
loc: {
start: {line: 1, column: 12},
end: {line: 1, column: 13}
},
name: "x"
},
value: {
type: "Literal",
loc: {
start: {line: 1, column: 15},
end: {line: 1, column: 16}
},
value: 5,
raw: "5"
},
kind: "init"
}]
}
}
}]
}, {
ecmaVersion: 6,
locations: true,
preserveParens: true
});
// Harmony: Modules
test("export var document", {