Mercurial > cpython-lru_cache-weakref

annotate Objects/stringlib/README.txt @ 78069:a8aa77458e12 3.2

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Add c_size_t and c_ssize_t to the ctypes summary table.
author Antoine Pitrou <solipsis@pitrou.net>
date Thu, 12 Jul 2012 20:31:50 +0200
parents 3c9232a684ae
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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1 bits shared by the stringobject and unicodeobject implementations (and
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2 possibly other modules, in a not too distant future).
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3
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4 the stuff in here is included into relevant places; see the individual
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5 source files for details.
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7 --------------------------------------------------------------------
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8 the following defines used by the different modules:
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9
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10 STRINGLIB_CHAR
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12 the type used to hold a character (char or Py_UNICODE)
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13
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14 STRINGLIB_EMPTY
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15
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16 a PyObject representing the empty string, only to be used if
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17 STRINGLIB_MUTABLE is 0
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19 Py_ssize_t STRINGLIB_LEN(PyObject*)
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21 returns the length of the given string object (which must be of the
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22 right type)
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24 PyObject* STRINGLIB_NEW(STRINGLIB_CHAR*, Py_ssize_t)
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26 creates a new string object
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28 STRINGLIB_CHAR* STRINGLIB_STR(PyObject*)
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30 returns the pointer to the character data for the given string
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31 object (which must be of the right type)
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33 int STRINGLIB_CHECK_EXACT(PyObject *)
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34
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35 returns true if the object is an instance of our type, not a subclass
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37 STRINGLIB_MUTABLE
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38
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39 must be 0 or 1 to tell the cpp macros in stringlib code if the object
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40 being operated on is mutable or not