regexp: fixed the zero advance logic in quantifiers #534
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saghul
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saghul
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Sep 13, 2024
| @@ -33205,7 +33205,7 @@ typedef enum BCTagEnum { | |||
| BC_TAG_SET, | |||
| } BCTagEnum; | |||
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| #define BC_VERSION 13 | |||
| #define BC_VERSION 14 | |||
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The generated bytecode changed, so I bumped the version.
bnoordhuis
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Sep 14, 2024
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| s->byte_code.buf[pos++] = REOP_push_char_pos; | ||
| re_emit_op(s, REOP_check_advance); |
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I don't fully understand why this puts the REOP_check_advance at the end of the buffer while everything else is inserted before the end. Is pos == s->byte_code.size on the second line?
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I'll admit I have no idea, I just ported the fix and ran the tests 😅
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Ref: bellard/quickjs@10fc744