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pcre2_jit_match.html

pcre2_jit_match.html 2.5 KB
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  1. <html>
    2. 

  2. <head>
    3. 

  3. <title>pcre2_jit_match specification</title>
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  4. </head>
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  5. <body bgcolor="#FFFFFF" text="#00005A" link="#0066FF" alink="#3399FF" vlink="#2222BB">
    6. 

  6. <h1>pcre2_jit_match man page</h1>
    7. 

  7. <p>
    8. 

  8. Return to the <a href="index.html">PCRE2 index page</a>.
    9. 

  9. </p>
    10. 

  10. <p>
    11. 

  11. This page is part of the PCRE2 HTML documentation. It was generated
    12. 

  12. automatically from the original man page. If there is any nonsense in it,
    13. 

  13. please consult the man page, in case the conversion went wrong.
    14. 

  14. <br>
    15. 

  15. <br><b>
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  16. SYNOPSIS
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  17. </b><br>
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  18. <P>
    19. 

  19. <b>#include &#60;pcre2.h&#62;</b>
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  20. </P>
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  21. <P>
    22. 

  22. <b>int pcre2_jit_match(const pcre2_code *<i>code</i>, PCRE2_SPTR <i>subject</i>,</b>
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  23. <b>  PCRE2_SIZE <i>length</i>, PCRE2_SIZE <i>startoffset</i>,</b>
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  24. <b>  uint32_t <i>options</i>, pcre2_match_data *<i>match_data</i>,</b>
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  25. <b>  pcre2_match_context *<i>mcontext</i>);</b>
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  26. </P>
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  27. <br><b>
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  28. DESCRIPTION
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  29. </b><br>
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  30. <P>
    31. 

  31. This function matches a compiled regular expression that has been successfully
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  32. processed by the JIT compiler against a given subject string, using a matching
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  33. algorithm that is similar to Perl's. It is a "fast path" interface to JIT, and
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  34. it bypasses some of the sanity checks that <b>pcre2_match()</b> applies.
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  35. </P>
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  36. <P>
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  37. In UTF mode, the subject string is not checked for UTF validity. Unless
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  38. PCRE2_MATCH_INVALID_UTF was set when the pattern was compiled, passing an
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  39. invalid UTF string results in undefined behaviour. Your program may crash or
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  40. loop or give wrong results. In the absence of PCRE2_MATCH_INVALID_UTF you
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  41. should only call <b>pcre2_jit_match()</b> in UTF mode if you are sure the
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  42. subject is valid.
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  43. </P>
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  44. <P>
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  45. The arguments for <b>pcre2_jit_match()</b> are exactly the same as for
    46. 

  46. <a href="pcre2_match.html"><b>pcre2_match()</b>,</a>
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  47. except that the subject string must be specified with a length;
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  48. PCRE2_ZERO_TERMINATED is not supported.
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  49. </P>
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  50. <P>
    51. 

  51. The supported options are PCRE2_NOTBOL, PCRE2_NOTEOL, PCRE2_NOTEMPTY,
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  52. PCRE2_NOTEMPTY_ATSTART, PCRE2_PARTIAL_HARD, and PCRE2_PARTIAL_SOFT. Unsupported
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  53. options are ignored.
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  54. </P>
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  55. <P>
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  56. The return values are the same as for <b>pcre2_match()</b> plus
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  57. PCRE2_ERROR_JIT_BADOPTION if a matching mode (partial or complete) is requested
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  58. that was not compiled. For details of partial matching, see the
    59. 

  59. <a href="pcre2partial.html"><b>pcre2partial</b></a>
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  60. page.
    61. 

  61. </P>
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  62. <P>
    63. 

  63. There is a complete description of the PCRE2 native API in the
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  64. <a href="pcre2api.html"><b>pcre2api</b></a>
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  65. page and a description of the JIT API in the
    66. 

  66. <a href="pcre2jit.html"><b>pcre2jit</b></a>
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  67. page.
    68. 

  68. <p>
    69. 

  69. Return to the <a href="index.html">PCRE2 index page</a>.
    70. 

  70. </p>
    71.