115 lines
6.4 KiB
HTML
115 lines
6.4 KiB
HTML
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<html lang="en">
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<head>
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<title>Output Styling - Debugging with GDB</title>
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<meta name="description" content="Debugging with GDB">
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<link title="Top" rel="start" href="index.html#Top">
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<link rel="up" href="Controlling-GDB.html#Controlling-GDB" title="Controlling GDB">
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<link rel="prev" href="Screen-Size.html#Screen-Size" title="Screen Size">
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<link rel="next" href="Numbers.html#Numbers" title="Numbers">
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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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</head>
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<body>
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<div class="node">
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<a name="Output-Styling"></a>
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<p>
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Next: <a rel="next" accesskey="n" href="Numbers.html#Numbers">Numbers</a>,
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Previous: <a rel="previous" accesskey="p" href="Screen-Size.html#Screen-Size">Screen Size</a>,
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Up: <a rel="up" accesskey="u" href="Controlling-GDB.html#Controlling-GDB">Controlling GDB</a>
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<hr>
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</div>
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<h3 class="section">22.5 Output Styling</h3>
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<p><a name="index-styling-1690"></a><a name="index-colors-1691"></a>
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<a name="index-set-style-1692"></a><a name="index-show-style-1693"></a><span class="sc">gdb</span> can style its output on a capable terminal. This is
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enabled by default on most systems, but disabled by default when in
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batch mode (see <a href="Mode-Options.html#Mode-Options">Mode Options</a>). Various style settings are available;
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and styles can also be disabled entirely.
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<dl>
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<dt><code>set style enabled ‘</code><samp><span class="samp">on|off</span></samp><code>’</code><dd>Enable or disable all styling. The default is host-dependent, with
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most hosts defaulting to ‘<samp><span class="samp">on</span></samp>’.
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<br><dt><code>show style enabled</code><dd>Show the current state of styling.
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<br><dt><code>set style sources ‘</code><samp><span class="samp">on|off</span></samp><code>’</code><dd>Enable or disable source code styling. This affects whether source
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code, such as the output of the <code>list</code> command, is styled. Note
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that source styling only works if styling in general is enabled, and
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if <span class="sc">gdb</span> was linked with the GNU Source Highlight library. The
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default is ‘<samp><span class="samp">on</span></samp>’.
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<br><dt><code>show style sources</code><dd>Show the current state of source code styling.
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</dl>
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<p>Subcommands of <code>set style</code> control specific forms of styling.
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These subcommands all follow the same pattern: each style-able object
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can be styled with a foreground color, a background color, and an
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intensity.
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<p>For example, the style of file names can be controlled using the
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<code>set style filename</code> group of commands:
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<dl>
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<dt><code>set style filename background </code><var>color</var><dd>Set the background to <var>color</var>. Valid colors are ‘<samp><span class="samp">none</span></samp>’
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(meaning the terminal's default color), ‘<samp><span class="samp">black</span></samp>’, ‘<samp><span class="samp">red</span></samp>’,
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‘<samp><span class="samp">green</span></samp>’, ‘<samp><span class="samp">yellow</span></samp>’, ‘<samp><span class="samp">blue</span></samp>’, ‘<samp><span class="samp">magenta</span></samp>’, ‘<samp><span class="samp">cyan</span></samp>’,
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and‘<samp><span class="samp">white</span></samp>’.
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<br><dt><code>set style filename foreground </code><var>color</var><dd>Set the foreground to <var>color</var>. Valid colors are ‘<samp><span class="samp">none</span></samp>’
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(meaning the terminal's default color), ‘<samp><span class="samp">black</span></samp>’, ‘<samp><span class="samp">red</span></samp>’,
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‘<samp><span class="samp">green</span></samp>’, ‘<samp><span class="samp">yellow</span></samp>’, ‘<samp><span class="samp">blue</span></samp>’, ‘<samp><span class="samp">magenta</span></samp>’, ‘<samp><span class="samp">cyan</span></samp>’,
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and‘<samp><span class="samp">white</span></samp>’.
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<br><dt><code>set style filename intensity </code><var>value</var><dd>Set the intensity to <var>value</var>. Valid intensities are ‘<samp><span class="samp">normal</span></samp>’
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(the default), ‘<samp><span class="samp">bold</span></samp>’, and ‘<samp><span class="samp">dim</span></samp>’.
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</dl>
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<p>The style-able objects are:
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<dl>
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<dt><code>filename</code><dd>Control the styling of file names. By default, this style's
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foreground color is green.
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<br><dt><code>function</code><dd>Control the styling of function names. These are managed with the
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<code>set style function</code> family of commands. By default, this
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style's foreground color is yellow.
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<br><dt><code>variable</code><dd>Control the styling of variable names. These are managed with the
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<code>set style variable</code> family of commands. By default, this style's
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foreground color is cyan.
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<br><dt><code>address</code><dd>Control the styling of addresses. These are managed with the
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<code>set style address</code> family of commands. By default, this style's
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foreground color is blue.
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</dl>
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</body></html>
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