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169 lines
7.4 KiB
HTML
169 lines
7.4 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>Output Styling (Debugging with GDB)</title>
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<meta name="description" content="Output Styling (Debugging with GDB)">
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<meta name="keywords" content="Output Styling (Debugging with GDB)">
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<meta name="resource-type" content="document">
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<meta name="distribution" content="global">
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<meta name="Generator" content="makeinfo">
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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="Controlling-GDB.html#Controlling-GDB" rel="up" title="Controlling GDB">
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<link href="Numbers.html#Numbers" rel="next" title="Numbers">
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<link href="Screen-Size.html#Screen-Size" rel="prev" title="Screen Size">
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<style type="text/css">
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<!--
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a.summary-letter {text-decoration: none}
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blockquote.indentedblock {margin-right: 0em}
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blockquote.smallindentedblock {margin-right: 0em; font-size: smaller}
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blockquote.smallquotation {font-size: smaller}
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div.display {margin-left: 3.2em}
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div.example {margin-left: 3.2em}
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div.lisp {margin-left: 3.2em}
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div.smalldisplay {margin-left: 3.2em}
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div.smallexample {margin-left: 3.2em}
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div.smalllisp {margin-left: 3.2em}
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kbd {font-style: oblique}
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pre.display {font-family: inherit}
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pre.format {font-family: inherit}
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pre.menu-comment {font-family: serif}
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pre.menu-preformatted {font-family: serif}
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pre.smalldisplay {font-family: inherit; font-size: smaller}
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pre.smallexample {font-size: smaller}
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pre.smallformat {font-family: inherit; font-size: smaller}
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pre.smalllisp {font-size: smaller}
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span.nolinebreak {white-space: nowrap}
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span.roman {font-family: initial; font-weight: normal}
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span.sansserif {font-family: sans-serif; font-weight: normal}
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ul.no-bullet {list-style: none}
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-->
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</style>
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</head>
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<body lang="en">
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<a name="Output-Styling"></a>
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<div class="header">
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<p>
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Next: <a href="Numbers.html#Numbers" accesskey="n" rel="next">Numbers</a>, Previous: <a href="Screen-Size.html#Screen-Size" accesskey="p" rel="prev">Screen Size</a>, Up: <a href="Controlling-GDB.html#Controlling-GDB" accesskey="u" rel="up">Controlling GDB</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="Output-Styling-1"></a>
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<h3 class="section">22.5 Output Styling</h3>
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<a name="index-styling"></a>
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<a name="index-colors"></a>
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<a name="index-set-style"></a>
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<a name="index-show-style"></a>
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<p><small>GDB</small> 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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</p>
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<dl compact="compact">
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<dt><code>set style enabled ‘<samp>on|off</samp>’</code></dt>
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<dd><p>Enable or disable all styling. The default is host-dependent, with
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most hosts defaulting to ‘<samp>on</samp>’.
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</p>
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</dd>
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<dt><code>show style enabled</code></dt>
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<dd><p>Show the current state of styling.
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</p>
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</dd>
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<dt><code>set style sources ‘<samp>on|off</samp>’</code></dt>
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<dd><p>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 <small>GDB</small> was linked with the GNU Source Highlight library. The
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default is ‘<samp>on</samp>’.
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</p>
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</dd>
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<dt><code>show style sources</code></dt>
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<dd><p>Show the current state of source code styling.
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</p></dd>
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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>
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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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</p>
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<dl compact="compact">
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<dt><code>set style filename background <var>color</var></code></dt>
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<dd><p>Set the background to <var>color</var>. Valid colors are ‘<samp>none</samp>’
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(meaning the terminal’s default color), ‘<samp>black</samp>’, ‘<samp>red</samp>’,
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‘<samp>green</samp>’, ‘<samp>yellow</samp>’, ‘<samp>blue</samp>’, ‘<samp>magenta</samp>’, ‘<samp>cyan</samp>’,
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and‘<samp>white</samp>’.
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</p>
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</dd>
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<dt><code>set style filename foreground <var>color</var></code></dt>
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<dd><p>Set the foreground to <var>color</var>. Valid colors are ‘<samp>none</samp>’
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(meaning the terminal’s default color), ‘<samp>black</samp>’, ‘<samp>red</samp>’,
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‘<samp>green</samp>’, ‘<samp>yellow</samp>’, ‘<samp>blue</samp>’, ‘<samp>magenta</samp>’, ‘<samp>cyan</samp>’,
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and‘<samp>white</samp>’.
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</p>
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</dd>
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<dt><code>set style filename intensity <var>value</var></code></dt>
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<dd><p>Set the intensity to <var>value</var>. Valid intensities are ‘<samp>normal</samp>’
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(the default), ‘<samp>bold</samp>’, and ‘<samp>dim</samp>’.
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</p></dd>
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</dl>
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<p>The style-able objects are:
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</p><dl compact="compact">
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<dt><code>filename</code></dt>
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<dd><p>Control the styling of file names. By default, this style’s
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foreground color is green.
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</p>
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</dd>
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<dt><code>function</code></dt>
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<dd><p>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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</p>
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</dd>
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<dt><code>variable</code></dt>
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<dd><p>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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</p>
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</dd>
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<dt><code>address</code></dt>
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<dd><p>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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</p></dd>
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</dl>
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<hr>
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<div class="header">
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<p>
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Next: <a href="Numbers.html#Numbers" accesskey="n" rel="next">Numbers</a>, Previous: <a href="Screen-Size.html#Screen-Size" accesskey="p" rel="prev">Screen Size</a>, Up: <a href="Controlling-GDB.html#Controlling-GDB" accesskey="u" rel="up">Controlling GDB</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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</body>
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</html>
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