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Disallow parentheses in lvalue except as in computed keys or default values.

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This commit is contained in:
Ingvar Stepanyan
2015-01-08 23:00:22 +02:00
parent 4d4a76588c
commit 85087f2a09
3 changed files with 20 additions and 11 deletions
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20
test/tests-harmony.js
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@@ -3940,7 +3940,7 @@ test("[a, b] = [b, a]", {
locations: true
});
test("({ responseText: text }) = res", {
test("({ responseText: text } = res)", {
type: "Program",
body: [{
type: "ExpressionStatement",
@@ -3985,13 +3985,13 @@ test("({ responseText: text }) = res", {
type: "Identifier",
name: "res",
loc: {
start: {line: 1, column: 27},
end: {line: 1, column: 30}
start: {line: 1, column: 26},
end: {line: 1, column: 29}
}
},
loc: {
start: {line: 1, column: 0},
end: {line: 1, column: 30}
start: {line: 1, column: 1},
end: {line: 1, column: 29}
}
},
loc: {
@@ -13826,9 +13826,11 @@ testFail("[v] += ary", "Assigning to rvalue (1:0)", {ecmaVersion: 6});
testFail("[2] = 42", "Assigning to rvalue (1:1)", {ecmaVersion: 6});
testFail("({ obj:20 }) = 42", "Assigning to rvalue (1:7)", {ecmaVersion: 6});
testFail("({ obj:20 }) = 42", "Assigning to rvalue (1:13)", {ecmaVersion: 6});
testFail("( { get x() {} } ) = 0", "Unexpected token (1:8)", {ecmaVersion: 6});
testFail("({ obj:20 } = 42)", "Assigning to rvalue (1:7)", {ecmaVersion: 6});
testFail("( { get x() {} } = 0 )", "Unexpected token (1:8)", {ecmaVersion: 6});
testFail("x \n is y", "Unexpected token (2:4)", {ecmaVersion: 6});
@@ -13848,9 +13850,9 @@ testFail("let default", "Unexpected token (1:4)", {ecmaVersion: 6});
testFail("const default", "Unexpected token (1:6)", {ecmaVersion: 6});
testFail("\"use strict\"; ({ v: eval }) = obj", "Assigning to eval in strict mode (1:20)", {ecmaVersion: 6});
testFail("\"use strict\"; ({ v: eval } = obj)", "Assigning to eval in strict mode (1:20)", {ecmaVersion: 6});
testFail("\"use strict\"; ({ v: arguments }) = obj", "Assigning to arguments in strict mode (1:20)", {ecmaVersion: 6});
testFail("\"use strict\"; ({ v: arguments } = obj)", "Assigning to arguments in strict mode (1:20)", {ecmaVersion: 6});
testFail("for (let x = 42 in list) process(x);", "Unexpected token (1:16)", {ecmaVersion: 6});

4
test/tests.js
View File

@@ -403,7 +403,7 @@ test("(1 + 2 ) * 3", {
preserveParens: true
});
testFail("(x) = 23", "Assigning to rvalue (1:0)", { preserveParens: true });
testFail("(x) = 23", "Assigning to rvalue (1:4)");
test("x = []", {
type: "Program",
@@ -26883,7 +26883,7 @@ testFail("func() = 4",
"Assigning to rvalue (1:0)");
testFail("(1 + 1) = 10",
"Assigning to rvalue (1:1)");
"Assigning to rvalue (1:8)");
testFail("1++",
"Assigning to rvalue (1:0)");