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d4de0e6f1e
I was über lazy at first, so took libs from SM. But actually it's quite easy to compile, so let's update to latest version \o/.
109 lines
4.7 KiB
HTML
109 lines
4.7 KiB
HTML
<html>
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<head>
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<title>pcre_jit_exec specification</title>
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</head>
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<body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
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<h1>pcre_jit_exec man page</h1>
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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<p>
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This page is part of the PCRE HTML documentation. It was generated automatically
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from the original man page. If there is any nonsense in it, please consult the
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man page, in case the conversion went wrong.
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<br>
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<br><b>
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SYNOPSIS
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</b><br>
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<P>
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<b>#include <pcre.h></b>
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</P>
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<P>
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<b>int pcre_jit_exec(const pcre *<i>code</i>, const pcre_extra *<i>extra</i>,</b>
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<b> const char *<i>subject</i>, int <i>length</i>, int <i>startoffset</i>,</b>
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<b> int <i>options</i>, int *<i>ovector</i>, int <i>ovecsize</i>,</b>
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<b> pcre_jit_stack *<i>jstack</i>);</b>
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<br>
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<br>
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<b>int pcre16_jit_exec(const pcre16 *<i>code</i>, const pcre16_extra *<i>extra</i>,</b>
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<b> PCRE_SPTR16 <i>subject</i>, int <i>length</i>, int <i>startoffset</i>,</b>
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<b> int <i>options</i>, int *<i>ovector</i>, int <i>ovecsize</i>,</b>
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<b> pcre_jit_stack *<i>jstack</i>);</b>
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<br>
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<br>
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<b>int pcre32_jit_exec(const pcre32 *<i>code</i>, const pcre32_extra *<i>extra</i>,</b>
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<b> PCRE_SPTR32 <i>subject</i>, int <i>length</i>, int <i>startoffset</i>,</b>
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<b> int <i>options</i>, int *<i>ovector</i>, int <i>ovecsize</i>,</b>
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<b> pcre_jit_stack *<i>jstack</i>);</b>
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</P>
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<br><b>
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DESCRIPTION
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</b><br>
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<P>
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This function matches a compiled regular expression that has been successfully
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studied with one of the JIT options against a given subject string, using a
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matching algorithm that is similar to Perl's. It is a "fast path" interface to
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JIT, and it bypasses some of the sanity checks that <b>pcre_exec()</b> applies.
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It returns offsets to captured substrings. Its arguments are:
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<pre>
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<i>code</i> Points to the compiled pattern
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<i>extra</i> Points to an associated <b>pcre[16|32]_extra</b> structure,
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or is NULL
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<i>subject</i> Points to the subject string
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<i>length</i> Length of the subject string, in bytes
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<i>startoffset</i> Offset in bytes in the subject at which to
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start matching
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<i>options</i> Option bits
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<i>ovector</i> Points to a vector of ints for result offsets
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<i>ovecsize</i> Number of elements in the vector (a multiple of 3)
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<i>jstack</i> Pointer to a JIT stack
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</pre>
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The allowed options are:
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<pre>
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PCRE_NOTBOL Subject string is not the beginning of a line
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PCRE_NOTEOL Subject string is not the end of a line
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PCRE_NOTEMPTY An empty string is not a valid match
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PCRE_NOTEMPTY_ATSTART An empty string at the start of the subject
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is not a valid match
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PCRE_NO_UTF16_CHECK Do not check the subject for UTF-16
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validity (only relevant if PCRE_UTF16
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was set at compile time)
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PCRE_NO_UTF32_CHECK Do not check the subject for UTF-32
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validity (only relevant if PCRE_UTF32
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was set at compile time)
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PCRE_NO_UTF8_CHECK Do not check the subject for UTF-8
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validity (only relevant if PCRE_UTF8
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was set at compile time)
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PCRE_PARTIAL ) Return PCRE_ERROR_PARTIAL for a partial
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PCRE_PARTIAL_SOFT ) match if no full matches are found
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PCRE_PARTIAL_HARD Return PCRE_ERROR_PARTIAL for a partial match
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if that is found before a full match
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</pre>
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However, the PCRE_NO_UTF[8|16|32]_CHECK options have no effect, as this check
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is never applied. For details of partial matching, see the
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<a href="pcrepartial.html"><b>pcrepartial</b></a>
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page. A <b>pcre_extra</b> structure contains the following fields:
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<pre>
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<i>flags</i> Bits indicating which fields are set
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<i>study_data</i> Opaque data from <b>pcre[16|32]_study()</b>
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<i>match_limit</i> Limit on internal resource use
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<i>match_limit_recursion</i> Limit on internal recursion depth
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<i>callout_data</i> Opaque data passed back to callouts
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<i>tables</i> Points to character tables or is NULL
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<i>mark</i> For passing back a *MARK pointer
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<i>executable_jit</i> Opaque data from JIT compilation
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</pre>
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The flag bits are PCRE_EXTRA_STUDY_DATA, PCRE_EXTRA_MATCH_LIMIT,
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PCRE_EXTRA_MATCH_LIMIT_RECURSION, PCRE_EXTRA_CALLOUT_DATA,
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PCRE_EXTRA_TABLES, PCRE_EXTRA_MARK and PCRE_EXTRA_EXECUTABLE_JIT.
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</P>
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<P>
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There is a complete description of the PCRE native API in the
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<a href="pcreapi.html"><b>pcreapi</b></a>
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page and a description of the JIT API in the
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<a href="pcrejit.html"><b>pcrejit</b></a>
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page.
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<p>
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Return to the <a href="index.html">PCRE index page</a>.
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</p>
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