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111 lines
4.8 KiB
HTML
111 lines
4.8 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) 1992-2019 Free Software Foundation, Inc.
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Contributed by Cygnus Support. Written by Julia Menapace, Jim Kingdon,
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and David MacKenzie.
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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 no
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Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
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Texts. A copy of the license is included in the section entitled "GNU
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Free Documentation License". -->
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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>Method Modifiers (STABS)</title>
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<meta name="description" content="Method Modifiers (STABS)">
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<meta name="keywords" content="Method Modifiers (STABS)">
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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="Symbol-Types-Index.html#Symbol-Types-Index" rel="index" title="Symbol Types Index">
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<link href="index.html#SEC_Contents" rel="contents" title="Table of Contents">
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<link href="Cplusplus.html#Cplusplus" rel="up" title="Cplusplus">
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<link href="Virtual-Methods.html#Virtual-Methods" rel="next" title="Virtual Methods">
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<link href="Protections.html#Protections" rel="prev" title="Protections">
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<style type="text/css">
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</style>
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</head>
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<body lang="en">
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<a name="Method-Modifiers"></a>
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<div class="header">
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<p>
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Next: <a href="Virtual-Methods.html#Virtual-Methods" accesskey="n" rel="next">Virtual Methods</a>, Previous: <a href="Protections.html#Protections" accesskey="p" rel="prev">Protections</a>, Up: <a href="Cplusplus.html#Cplusplus" accesskey="u" rel="up">Cplusplus</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Symbol-Types-Index.html#Symbol-Types-Index" title="Index" rel="index">Index</a>]</p>
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</div>
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<hr>
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<a name="Method-Modifiers-_0028const_002c-volatile_002c-const-volatile_0029"></a>
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<h3 class="section">8.10 Method Modifiers (<code>const</code>, <code>volatile</code>, <code>const volatile</code>)</h3>
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<p><< based on a6.C >>
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</p>
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<p>In the class example described above all the methods have the normal
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modifier. This method modifier information is located just after the
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protection information for the method. This field has four possible
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character values. Normal methods use ‘<samp>A</samp>’, const methods use
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‘<samp>B</samp>’, volatile methods use ‘<samp>C</samp>’, and const volatile methods use
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‘<samp>D</samp>’. Consider the class definition below:
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</p>
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<div class="example">
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<pre class="example">class A {
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public:
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int ConstMeth (int arg) const { return arg; };
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char VolatileMeth (char arg) volatile { return arg; };
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float ConstVolMeth (float arg) const volatile {return arg; };
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};
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</pre></div>
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<p>This class is described by the following stab:
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</p>
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<div class="display">
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<pre class="display">.stabs "class(A):sym_desc(struct)type_def(20)=type_desc(struct)struct_bytes(1)
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meth_name(ConstMeth)::type_def(21)sym_desc(method)
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returning(int);:arg(int);protection(public)modifier(const)virtual(no);
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meth_name(VolatileMeth)::type_def(22)=sym_desc(method)
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returning(char);:arg(char);protection(public)modifier(volatile)virt(no)
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meth_name(ConstVolMeth)::type_def(23)=sym_desc(method)
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returning(float);:arg(float);protection(public)modifier(const volatile)
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virtual(no);;", …
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</pre></div>
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<div class="example">
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<pre class="example">.stabs "A:T20=s1ConstMeth::21=##1;:i;2B.;VolatileMeth::22=##2;:c;2C.;
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ConstVolMeth::23=##12;:f;2D.;;",128,0,0,0
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</pre></div>
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</html>
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