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| author | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
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| committer | alk3pInjection <webmaster@raspii.tech> | 2024-02-04 16:16:35 +0800 |
| commit | abdaadbcae30fe0c9a66c7516798279fdfd97750 (patch) | |
| tree | 00a54a6e25601e43876d03c1a4a12a749d4a914c /share/doc/gdb/M2-Scope.html | |
https://developer.arm.com/downloads/-/arm-gnu-toolchain-downloads
Change-Id: I7303388733328cd98ab9aa3c30236db67f2e9e9c
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diff --git a/share/doc/gdb/M2-Scope.html b/share/doc/gdb/M2-Scope.html new file mode 100644 index 0000000..4eb2322 --- /dev/null +++ b/share/doc/gdb/M2-Scope.html @@ -0,0 +1,107 @@ +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> +<html> +<!-- Copyright (C) 1988-2023 Free Software Foundation, Inc. + +Permission is granted to copy, distribute and/or modify this document +under the terms of the GNU Free Documentation License, Version 1.3 or +any later version published by the Free Software Foundation; with the +Invariant Sections being "Free Software" and "Free Software Needs +Free Documentation", with the Front-Cover Texts being "A GNU Manual," +and with the Back-Cover Texts as in (a) below. + +(a) The FSF's Back-Cover Text is: "You are free to copy and modify +this GNU Manual. Buying copies from GNU Press supports the FSF in +developing GNU and promoting software freedom." --> +<!-- Created by GNU Texinfo 5.1, http://www.gnu.org/software/texinfo/ --> +<head> +<title>Debugging with GDB: M2 Scope</title> + +<meta name="description" content="Debugging with GDB: M2 Scope"> +<meta name="keywords" content="Debugging with GDB: M2 Scope"> +<meta name="resource-type" content="document"> +<meta name="distribution" content="global"> +<meta name="Generator" content="makeinfo"> +<meta http-equiv="Content-Type" content="text/html; charset=utf-8"> +<link href="index.html#Top" rel="start" title="Top"> +<link href="Concept-Index.html#Concept-Index" rel="index" title="Concept Index"> +<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> +<link href="Modula_002d2.html#Modula_002d2" rel="up" title="Modula-2"> +<link href="GDB_002fM2.html#GDB_002fM2" rel="next" title="GDB/M2"> +<link href="M2-Checks.html#M2-Checks" rel="previous" title="M2 Checks"> +<style type="text/css"> +<!-- +a.summary-letter {text-decoration: none} +blockquote.smallquotation {font-size: smaller} +div.display {margin-left: 3.2em} +div.example {margin-left: 3.2em} +div.indentedblock {margin-left: 3.2em} +div.lisp {margin-left: 3.2em} +div.smalldisplay {margin-left: 3.2em} +div.smallexample {margin-left: 3.2em} +div.smallindentedblock {margin-left: 3.2em; font-size: smaller} +div.smalllisp {margin-left: 3.2em} +kbd {font-style:oblique} +pre.display {font-family: inherit} +pre.format {font-family: inherit} +pre.menu-comment {font-family: serif} +pre.menu-preformatted {font-family: serif} +pre.smalldisplay {font-family: inherit; font-size: smaller} +pre.smallexample {font-size: smaller} +pre.smallformat {font-family: inherit; font-size: smaller} +pre.smalllisp {font-size: smaller} +span.nocodebreak {white-space:nowrap} +span.nolinebreak {white-space:nowrap} +span.roman {font-family:serif; font-weight:normal} +span.sansserif {font-family:sans-serif; font-weight:normal} +ul.no-bullet {list-style: none} +--> +</style> + + +</head> + +<body lang="en" bgcolor="#FFFFFF" text="#000000" link="#0000FF" vlink="#800080" alink="#FF0000"> +<a name="M2-Scope"></a> +<div class="header"> +<p> +Next: <a href="GDB_002fM2.html#GDB_002fM2" accesskey="n" rel="next">GDB/M2</a>, Previous: <a href="M2-Checks.html#M2-Checks" accesskey="p" rel="previous">M2 Checks</a>, Up: <a href="Modula_002d2.html#Modula_002d2" accesskey="u" rel="up">Modula-2</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> +</div> +<hr> +<a name="The-Scope-Operators-_003a_003a-and-_002e"></a> +<h4 class="subsubsection">15.4.9.8 The Scope Operators <code>::</code> and <code>.</code></h4> +<a name="index-scope"></a> +<a name="index-_002e_002c-Modula_002d2-scope-operator"></a> +<a name="index-colon_002c-doubled-as-scope-operator"></a> +<a name="index-_003a_003a_002c-in-Modula_002d2"></a> + +<p>There are a few subtle differences between the Modula-2 scope operator +(<code>.</code>) and the <small>GDB</small> scope operator (<code>::</code>). The two have +similar syntax: +</p> +<div class="smallexample"> +<pre class="smallexample"> +<var>module</var> . <var>id</var> +<var>scope</var> :: <var>id</var> +</pre></div> + +<p>where <var>scope</var> is the name of a module or a procedure, +<var>module</var> the name of a module, and <var>id</var> is any declared +identifier within your program, except another module. +</p> +<p>Using the <code>::</code> operator makes <small>GDB</small> search the scope +specified by <var>scope</var> for the identifier <var>id</var>. If it is not +found in the specified scope, then <small>GDB</small> searches all scopes +enclosing the one specified by <var>scope</var>. +</p> +<p>Using the <code>.</code> operator makes <small>GDB</small> search the current scope for +the identifier specified by <var>id</var> that was imported from the +definition module specified by <var>module</var>. With this operator, it is +an error if the identifier <var>id</var> was not imported from definition +module <var>module</var>, or if <var>id</var> is not an identifier in +<var>module</var>. +</p> + + + +</body> +</html> |