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80 lines
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<a name="gdb.printing"></a>
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<a name="gdb_002eprinting"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="gdb_002etypes.html#gdb_002etypes">gdb.types</a>,
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Up: <a rel="up" accesskey="u" href="Python-modules.html#Python-modules">Python modules</a>
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<h5 class="subsubsection">23.2.4.1 gdb.printing</h5>
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<p><a name="index-gdb_002eprinting-2443"></a>
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This module provides a collection of utilities for working with
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pretty-printers.
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<dl>
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<dt><code>PrettyPrinter (</code><var>name</var><code>, </code><var>subprinters</var><code>=None)</code><dd>This class specifies the API that makes ‘<samp><span class="samp">info pretty-printer</span></samp>’,
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‘<samp><span class="samp">enable pretty-printer</span></samp>’ and ‘<samp><span class="samp">disable pretty-printer</span></samp>’ work.
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Pretty-printers should generally inherit from this class.
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<br><dt><code>SubPrettyPrinter (</code><var>name</var><code>)</code><dd>For printers that handle multiple types, this class specifies the
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corresponding API for the subprinters.
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<br><dt><code>RegexpCollectionPrettyPrinter (</code><var>name</var><code>)</code><dd>Utility class for handling multiple printers, all recognized via
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regular expressions.
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See <a href="Writing-a-Pretty_002dPrinter.html#Writing-a-Pretty_002dPrinter">Writing a Pretty-Printer</a>, for an example.
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<br><dt><code>FlagEnumerationPrinter (</code><var>name</var><code>)</code><dd>A pretty-printer which handles printing of <code>enum</code> values. Unlike
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<span class="sc">gdb</span>'s built-in <code>enum</code> printing, this printer attempts to
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work properly when there is some overlap between the enumeration
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constants. The argument <var>name</var> is the name of the printer and
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also the name of the <code>enum</code> type to look up.
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<br><dt><code>register_pretty_printer (</code><var>obj</var><code>, </code><var>printer</var><code>, </code><var>replace</var><code>=False)</code><dd>Register <var>printer</var> with the pretty-printer list of <var>obj</var>.
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If <var>replace</var> is <code>True</code> then any existing copy of the printer
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is replaced. Otherwise a <code>RuntimeError</code> exception is raised
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if a printer with the same name already exists.
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</dl>
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</body></html>
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