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LibJS: Parse line continuations in string literals properly

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Newlines after line continuation were inserted into the string 
literals. This patch makes the parser ignore the newlines after \ and
also makes it so that "use strict" containing a line continuation is 
not a valid "use strict".
This commit is contained in:
Marcin Gasperowicz 2020-10-25 14:46:51 +01:00 • committed by Andreas Kling
parent e6505a95f1
commit e5ddcadd3c
4 changed files with 18 additions and 0 deletions
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6
Libraries/LibJS/Tests/functions/function-strict-mode.js
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@ -30,6 +30,12 @@ test("use strict with double quotes after statement does not yield strict mode c
expect(isStrictMode()).toBeFalse();
});
test("use strict interrupted by a line continuation does not yield strict mode code", () => {
"use \
strict";
expect(isStrictMode()).toBeFalse();
});
test("strict mode propagates down the scope chain", () => {
"use strict";
expect(isStrictMode()).toBeTrue();