Function to string does not comply with ECMAScript specification

[ayuan0828]

Description

When a user-defined function (not a built-in function) is converted to a string, the jerryscript engine returns a placeholder for '/* ecmascript */' instead of the actual function body string. This is inconsistent with the ECMAScript specification and mainstream engine behavior, and may have an impact on the relevant code.

Version

v3.0.0

Testcase

var functionArray = [
    function () {}
];
functionArray = functionArray + functionArray;
print(functionArray.length);

Output

64

Expected output

28

[kayx23]

Good catch.

• Does the English doc need the same change?
• Should merge this change into master as well.

[Baoyuantop]

Hi @wynejan, is this PR still being processed?

[kayx23]

Any update?

[Baoyuantop]

I'll convert this PR to draft first, if the changes are done please request review again.

[github-actions[bot]]

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[github-actions[bot]]

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