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LibJS: Apply the correct precedence for unary + and - operators

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When determining the precedence of the + and - operators, the parser
always returned the precedence using these operators in a binary
expression (lower than division!). The context of whether the operator
is used in a unary or binary expression must be taken into account.
This commit is contained in:
Sam Kravitz 2023-08-07 21:38:46 -05:00 • committed by Andreas Kling
commit 073eb46824
Notes: sideshowbarker 2024-07-17 06:54:15 +09:00
2 changed files with 17 additions and 1 deletions
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4
Userland/Libraries/LibJS/Tests/parser-unary-associativity.js
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@ -12,3 +12,7 @@ test("basic functionality", () => {
expect((typeof "x" === "string") === true).toBeTrue();
expect(!(typeof "x" === "string") === false).toBeTrue();
});
test("unary +/- operators bind higher than binary", () => {
expect(10 ** -3 / 2).toEqual(0.0005);
});