dotCooCoo 46efc4a651 Scripts: a String object counts its rope's copy when a character is read ...

- wrapping a string no longer flattens it, so Object(s).length and new String(s) on a large concatenated string make no copy and cannot collect while a call's operands are off the stack
- reading a String object's character by index, `in` and hasOwnProperty count the flattened copy at the next limit check, and the run ends before the copy when the fuel for it is not left
- unary plus on an object whose valueOf returns a concatenated string, and a property key from toString, keep that string rooted while its copy is reserved
- the unshift comment cites step 6 of section 15.4.4.13

2026-11-11 22:39:04 -08:00

..

src

Scripts: a String object counts its rope's copy when a character is read

2026-11-11 22:39:04 -08:00

tests

Tests: test262 skips a test only when its code uses a missing built-in

2026-11-10 12:44:42 -08:00

Cargo.toml

JavaScript: characters assigned in Unicode 17 are identifier characters

2026-11-11 13:57:54 -08:00