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5. Supporting of \x, \U and \u in JavaScript compatibility mode based on the |
5. Supporting of \x, \U and \u in JavaScript compatibility mode based on the |
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ECMA-262 standard. |
ECMA-262 standard. |
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|
|
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6. Lookbehinds such as (?<=a{2}b) that contained a fixed repetition were |
| 24 |
|
erroneously being rejected as "not fixed length" if PCRE_CASELESS was set. |
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This bug was probably introduced by change 9 of 8.13. |
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|
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7. While fixing 6 above, I noticed that a number of other items were being |
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|
incorrectly rejected as "not fixed length". This arose partly because newer |
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opcodes had not been added to the fixed-length checking code. I have (a) |
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|
corrected the bug and added tests for these items, and (b) arranged for an |
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|
error to occur if an unknown opcode is encountered while checking for fixed |
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|
length instead of just assuming "not fixed length". The items that were |
| 33 |
|
rejected were: (*ACCEPT), (*COMMIT), (*FAIL), (*MARK), (*PRUNE), (*SKIP), |
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|
(*THEN), \h, \H, \v, \V, and single character negative classes with fixed |
| 35 |
|
repetitions, e.g. [^a]{3}, with and without PCRE_CASELESS. |
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|
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|
8. A possessively repeated conditional subpattern such as (?(?=c)c|d)++ was |
| 38 |
|
being incorrectly compiled and would have given unpredicatble results. |
| 39 |
|
|
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|
9. A possessively repeated subpattern with minimum repeat count greater than |
| 41 |
|
one behaved incorrectly. For example, (A){2,}+ behaved as if it was |
| 42 |
|
(A)(A)++ which meant that, after a subsequent mismatch, backtracking into |
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|
the first (A) could occur when it should not. |
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|
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10. Add a cast and remove a redundant test from the code. |
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|
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11. JIT should use pcre_malloc/pcre_free for allocation. |
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|
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12. Updated pcre-config so that it no longer shows -L/usr/lib, which seems |
| 50 |
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best practice nowadays, and helps with cross-compiling. (If the exec_prefix |
| 51 |
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is anything other than /usr, -L is still shown). |
| 52 |
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|
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|
13. In non-UTF-8 mode, \C is now supported in lookbehinds and DFA matching. |
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|
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14. Perl does not support \N without a following name in a [] class; PCRE now |
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also gives an error. |
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|
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15. If a forward reference was repeated with an upper limit of around 2000, |
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|
it caused the error "internal error: overran compiling workspace". This |
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is now checked, and causes "too many forward references" instead. |
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|
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16. A repeated forward reference in a pattern such as (a)(?2){2}(.) was |
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incorrectly expecting the subject to contain another "a" after the start. |
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|
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|
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Version 8.20 21-Oct-2011 |
Version 8.20 21-Oct-2011 |
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------------------------ |
------------------------ |
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Revision Log
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Patch