44 lines
1.6 KiB
Diff
44 lines
1.6 KiB
Diff
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From 5e6a7641c60a1fcee8ae445be3511ce398c0baaa Mon Sep 17 00:00:00 2001
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From: zherczeg <zherczeg@6239d852-aaf2-0410-a92c-79f79f948069>
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Date: Sat, 11 Jan 2020 15:28:15 +0000
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Subject: [PATCH] Fix *THEN verbs in lookahead assertions in JIT.
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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git-svn-id: svn://vcs.exim.org/pcre2/code/trunk@1204 6239d852-aaf2-0410-a92c-79f79f948069
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Petr Písař: Ported to 10.34.
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---
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src/pcre2_jit_compile.c | 3 ++-
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src/pcre2_jit_test.c | 1 +
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diff --git a/src/pcre2_jit_compile.c b/src/pcre2_jit_compile.c
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index 78b94c1..00d13f1 100644
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--- a/src/pcre2_jit_compile.c
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+++ b/src/pcre2_jit_compile.c
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@@ -9597,7 +9597,8 @@ if (opcode == OP_ASSERT || opcode == OP_ASSERTBACK)
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}
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else
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{
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- OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), 0);
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+ SLJIT_ASSERT(extrasize == 3);
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+ OP1(SLJIT_MOV, STR_PTR, 0, SLJIT_MEM1(STACK_TOP), STACK(-1));
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OP1(SLJIT_MOV, SLJIT_MEM1(STACK_TOP), STACK(0), bra == OP_BRAZERO ? STR_PTR : SLJIT_IMM, 0);
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}
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}
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diff --git a/src/pcre2_jit_test.c b/src/pcre2_jit_test.c
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index e0638ef..a188724 100644
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--- a/src/pcre2_jit_test.c
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+++ b/src/pcre2_jit_test.c
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@@ -860,6 +860,7 @@ static struct regression_test_case regression_test_cases[] = {
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{ MU, A, 0, 0, "(?(?!a(*THEN)b)ad|add)", "add" },
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{ MU, A, 0, 0 | F_NOMATCH, "(?(?=a)a(*THEN)b|ad)", "ad" },
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{ MU, A, 0, 0, "(?!(?(?=a)ab|b(*THEN)d))bn|bnn", "bnn" },
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+ { MU, A, 0, 0, "(?=(*THEN: ))* ", " " },
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/* Recurse and control verbs. */
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{ MU, A, 0, 0, "(a(*ACCEPT)b){0}a(?1)b", "aacaabb" },
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--
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2.21.1
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