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145 lines
6.2 KiB
HTML
145 lines
6.2 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>Prompting (Debugging with GDB)</title>
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<meta name="description" content="Prompting (Debugging with GDB)">
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<meta name="keywords" content="Prompting (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="Annotations.html#Annotations" rel="up" title="Annotations">
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<link href="Errors.html#Errors" rel="next" title="Errors">
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<link href="Server-Prefix.html#Server-Prefix" rel="prev" title="Server Prefix">
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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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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.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="Prompting"></a>
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<div class="header">
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<p>
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Next: <a href="Errors.html#Errors" accesskey="n" rel="next">Errors</a>, Previous: <a href="Server-Prefix.html#Server-Prefix" accesskey="p" rel="prev">Server Prefix</a>, Up: <a href="Annotations.html#Annotations" accesskey="u" rel="up">Annotations</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="Annotation-for-GDB-Input"></a>
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<h3 class="section">28.3 Annotation for <small>GDB</small> Input</h3>
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<a name="index-annotations-for-prompts"></a>
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<p>When <small>GDB</small> prompts for input, it annotates this fact so it is possible
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to know when to send output, when the output from a given command is
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over, etc.
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</p>
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<p>Different kinds of input each have a different <em>input type</em>. Each
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input type has three annotations: a <code>pre-</code> annotation, which
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denotes the beginning of any prompt which is being output, a plain
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annotation, which denotes the end of the prompt, and then a <code>post-</code>
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annotation which denotes the end of any echo which may (or may not) be
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associated with the input. For example, the <code>prompt</code> input type
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features the following annotations:
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</p>
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<div class="smallexample">
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<pre class="smallexample">^Z^Zpre-prompt
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^Z^Zprompt
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^Z^Zpost-prompt
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</pre></div>
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<p>The input types are
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</p>
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<dl compact="compact">
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<dd><a name="index-pre_002dprompt-annotation"></a>
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<a name="index-prompt-annotation"></a>
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<a name="index-post_002dprompt-annotation"></a>
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</dd>
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<dt><code>prompt</code></dt>
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<dd><p>When <small>GDB</small> is prompting for a command (the main <small>GDB</small> prompt).
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</p>
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<a name="index-pre_002dcommands-annotation"></a>
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<a name="index-commands-annotation"></a>
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<a name="index-post_002dcommands-annotation"></a>
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</dd>
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<dt><code>commands</code></dt>
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<dd><p>When <small>GDB</small> prompts for a set of commands, like in the <code>commands</code>
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command. The annotations are repeated for each command which is input.
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</p>
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<a name="index-pre_002doverload_002dchoice-annotation"></a>
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<a name="index-overload_002dchoice-annotation"></a>
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<a name="index-post_002doverload_002dchoice-annotation"></a>
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</dd>
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<dt><code>overload-choice</code></dt>
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<dd><p>When <small>GDB</small> wants the user to select between various overloaded functions.
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</p>
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<a name="index-pre_002dquery-annotation"></a>
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<a name="index-query-annotation"></a>
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<a name="index-post_002dquery-annotation"></a>
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</dd>
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<dt><code>query</code></dt>
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<dd><p>When <small>GDB</small> wants the user to confirm a potentially dangerous operation.
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</p>
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<a name="index-pre_002dprompt_002dfor_002dcontinue-annotation"></a>
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<a name="index-prompt_002dfor_002dcontinue-annotation"></a>
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<a name="index-post_002dprompt_002dfor_002dcontinue-annotation"></a>
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</dd>
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<dt><code>prompt-for-continue</code></dt>
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<dd><p>When <small>GDB</small> is asking the user to press return to continue. Note: Don’t
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expect this to work well; instead use <code>set height 0</code> to disable
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prompting. This is because the counting of lines is buggy in the
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presence of annotations.
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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="Errors.html#Errors" accesskey="n" rel="next">Errors</a>, Previous: <a href="Server-Prefix.html#Server-Prefix" accesskey="p" rel="prev">Server Prefix</a>, Up: <a href="Annotations.html#Annotations" accesskey="u" rel="up">Annotations</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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