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Fix an xclass matching issue in JIT.

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This commit is contained in:
zherczeg 2018-09-21 07:24:34 +00:00
parent 81efacc44c
commit 2fb36bd048
3 changed files with 6 additions and 3 deletions
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2
ChangeLog
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@ -18,6 +18,8 @@ a greater than 1 fixed quantifier. This issue was found by Yunho Kim.
that use the standard POSIX names. This should help avoid linking with the
wrong library in some environments.
5. Fix an xclass matching issue in JIT.
Version 10.32 10-September-2018
-------------------------------

6
src/pcre2_jit_compile.c
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@ -7012,9 +7012,6 @@ int i, j, k, len, c;
if (!sljit_has_cpu_feature(SLJIT_HAS_CMOV))
return FALSE;
if (invert)
nclass = !nclass;
len = 0;
for (i = 0; i < 32; i++)
@ -7096,6 +7093,9 @@ if (j != 0)
}
}
if (invert)
nclass = !nclass;
type = nclass ? SLJIT_NOT_EQUAL : SLJIT_EQUAL;
add_jump(compiler, backtracks, CMP(type, TMP2, 0, SLJIT_IMM, 0));
return TRUE;

1
src/pcre2_jit_test.c
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@ -383,6 +383,7 @@ static struct regression_test_case regression_test_cases[] = {
{ MU, A, 0, 0, "[^\\x{801}-\\x{fffe}]+", "\xe0\xa0\x81#\xc3\xa9\xf0\x90\x90\x80\xe0\xa0\x80\xef\xbf\xbf\xef\xbf\xbe" },
{ MU, A, 0, 0, "[\\x{10001}-\\x{10fffe}]+", "#\xc3\xa9\xe2\xb1\xa5\xf0\x90\x80\x80\xf0\x90\x80\x81\xf4\x8f\xbf\xbe\xf4\x8f\xbf\xbf" },
{ MU, A, 0, 0, "[^\\x{10001}-\\x{10fffe}]+", "\xf0\x90\x80\x81#\xc3\xa9\xe2\xb1\xa5\xf0\x90\x80\x80\xf4\x8f\xbf\xbf\xf4\x8f\xbf\xbe" },
{ CMU, A, 0, 0 | F_NOMATCH, "^[\\x{0100}-\\x{017f}]", " " },
/* Unicode properties. */
{ MUP, A, 0, 0, "[1-5\xc3\xa9\\w]", "\xc3\xa1_" },