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115 lines
5.0 KiB
HTML
115 lines
5.0 KiB
HTML
4 years ago
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<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
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<html>
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<!-- Copyright (C) 1988-2019 Free Software Foundation, Inc.
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Permission is granted to copy, distribute and/or modify this document
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under the terms of the GNU Free Documentation License, Version 1.3 or
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any later version published by the Free Software Foundation; with the
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Invariant Sections being "Free Software" and "Free Software Needs
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Free Documentation", with the Front-Cover Texts being "A GNU Manual,"
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and with the Back-Cover Texts as in (a) below.
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(a) The FSF's Back-Cover Text is: "You are free to copy and modify
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this GNU Manual. Buying copies from GNU Press supports the FSF in
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developing GNU and promoting software freedom." -->
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<!-- Created by GNU Texinfo 6.4, http://www.gnu.org/software/texinfo/ -->
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<head>
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<title>gdb.printing (Debugging with GDB)</title>
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<meta name="description" content="gdb.printing (Debugging with GDB)">
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<meta name="keywords" content="gdb.printing (Debugging with GDB)">
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
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<link href="index.html#Top" rel="start" title="Top">
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<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Python-modules.html#Python-modules" rel="up" title="Python modules">
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<link href="gdb_002etypes.html#gdb_002etypes" rel="next" title="gdb.types">
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<link href="Python-modules.html#Python-modules" rel="prev" title="Python modules">
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</head>
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<body lang="en">
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<a name="gdb_002eprinting"></a>
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<div class="header">
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<p>
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Next: <a href="gdb_002etypes.html#gdb_002etypes" accesskey="n" rel="next">gdb.types</a>, Up: <a href="Python-modules.html#Python-modules" accesskey="u" rel="up">Python modules</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Concept-Index.html#Concept-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="gdb_002eprinting-1"></a>
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<h4 class="subsubsection">23.2.4.1 gdb.printing</h4>
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<a name="index-gdb_002eprinting"></a>
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<p>This module provides a collection of utilities for working with
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pretty-printers.
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</p>
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<dl compact="compact">
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<dt><code>PrettyPrinter (<var>name</var>, <var>subprinters</var>=None)</code></dt>
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<dd><p>This class specifies the API that makes ‘<samp>info pretty-printer</samp>’,
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‘<samp>enable pretty-printer</samp>’ and ‘<samp>disable pretty-printer</samp>’ work.
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Pretty-printers should generally inherit from this class.
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</p>
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</dd>
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<dt><code>SubPrettyPrinter (<var>name</var>)</code></dt>
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<dd><p>For printers that handle multiple types, this class specifies the
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corresponding API for the subprinters.
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</p>
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</dd>
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<dt><code>RegexpCollectionPrettyPrinter (<var>name</var>)</code></dt>
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<dd><p>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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</p>
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</dd>
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<dt><code>FlagEnumerationPrinter (<var>name</var>)</code></dt>
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<dd><p>A pretty-printer which handles printing of <code>enum</code> values. Unlike
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<small>GDB</small>’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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</p>
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</dd>
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<dt><code>register_pretty_printer (<var>obj</var>, <var>printer</var>, <var>replace</var>=False)</code></dt>
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<dd><p>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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</p></dd>
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</dl>
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</body>
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</html>
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