This file is indexed.

/usr/share/GNUstep/Documentation/Developer/Base/Reference/NSMethodSignature.html is in gnustep-base-doc 1.25.1-2ubuntu3.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en" lang="en">

    <head>
    <title>NSMethodSignature class reference</title>
  </head>
  <body>
    <font face="serif">
    <a href="Base.html">Up</a>
    <br />
    <h1><a name="title$NSMethodSignature">NSMethodSignature class reference</a></h1>
    <h3>Authors</h3>
    <dl>
      <dt>Andrew Kachites McCallum (<a href="mailto:mccallum@gnu.ai.mit.edu"><code>mccallum@gnu.ai.mit.edu</code></a>)</dt>
      <dd>
      </dd>
    </dl>
    <p><b>Copyright:</b> (C) 1994-2015 Free Software Foundation, Inc.</p>

        <div>
    </div>

          <h1><a name="001000000000">
        Software documentation for the NSMethodSignature class
      </a></h1>
    <h2><a name="class$NSMethodSignature">NSMethodSignature</a> : <a rel="gsdoc" href="NSObject.html#class$NSObject">NSObject</a></h2>
    <blockquote class="declared">
      <dl>
        <dt><b>Declared in:</b></dt>
        <dd>Foundation/NSMethodSignature.h</dd>
      </dl>
    </blockquote>
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
          
    </p>
    <p>

            <strong>Class</strong> encapsulating type
            information for method arguments and return
            value. It is used as a component of
            <a rel="gsdoc" href="NSInvocation.html#class$NSInvocation">NSInvocation</a>

              to implement message forwarding, such as within the
              distributed objects framework. Instances can
              be obtained from the
              <a rel="gsdoc" href="NSObject.html#class$NSObject">NSObject</a>

                method
                <a rel="gsdoc" href="NSObject.html#method$NSObject-methodSignatureForSelector$">[NSObject -methodSignatureForSelector:]</a>
.
                  </p>
    <p>
      
              
    </p>
    <p>

                Basically, types are represented as
                Objective-C <code>@encode(...)</code>
                compatible strings. The arguments are
                numbered starting from 0, including the
                implicit arguments <code><em>self</em></code>
                (type <code><strong>id</strong></code>, at
                position 0) and <code><em>_cmd</em></code>
                (type <code><strong>SEL</strong></code>, at
                position 1).
                  </p>
    <p>
      
        
    </div>
    <b>Method summary</b>
    <ul>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature+signatureWithObjCTypes$">+signatureWithObjCTypes:</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-frameLength">-frameLength</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-getArgumentTypeAtIndex$">-getArgumentTypeAtIndex:</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-isOneway">-isOneway</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-methodReturnLength">-methodReturnLength</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-methodReturnType">-methodReturnType</a></li>
      <li><a rel="gsdoc" href="NSMethodSignature.html#method$NSMethodSignature-numberOfArguments">-numberOfArguments</a></li>
    </ul>
    <hr width="50%" align="left" />
<div class="method">
    <h3><a name="method$NSMethodSignature+signatureWithObjCTypes$">signatureWithObjCTypes:&nbsp;</a></h3>
    + (<a rel="gsdoc" href="#class$NSMethodSignature">NSMethodSignature</a>*) <b>signatureWithObjCTypes:</b> (const char*)t;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Build a method signature directly from string
            description of return type and argument types,
            using the Objective-C <code>@encode(...)</code> type
            codes.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-frameLength">frameLength&nbsp;</a></h3>
    - (<a rel="gsdoc" href="TypesAndConstants.html#type$NSUInteger">NSUInteger</a>) <b>frameLength</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Number of bytes that the full set of arguments
            occupies on the stack, which is
            platform(hardware)-dependent.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-getArgumentTypeAtIndex$">getArgumentTypeAtIndex:&nbsp;</a></h3>
    - (const char*) <b>getArgumentTypeAtIndex:</b> (<a rel="gsdoc" href="TypesAndConstants.html#type$NSUInteger">NSUInteger</a>)index;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Returns Objective-C <code>@encode(...)</code>
            compatible string. Arguments are numbered
            starting from 0, including the implicit arguments
            <code><em>self</em></code> (type
            <code><strong>id</strong></code>, at position 0) and
            <code><em>_cmd</em></code> (type
            <code><strong>SEL</strong></code>, at position 1).
            <br /> Type strings may include leading type
            qualifiers.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-isOneway">isOneway&nbsp;</a></h3>
    - (BOOL) <b>isOneway</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Pertains to distributed objects; method is
            asynchronous when invoked and return should
            not be waited for.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-methodReturnLength">methodReturnLength&nbsp;</a></h3>
    - (<a rel="gsdoc" href="TypesAndConstants.html#type$NSUInteger">NSUInteger</a>) <b>methodReturnLength</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Number of bytes that the return value occupies on
            the stack, which is platform(hardware)-dependent.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-methodReturnType">methodReturnType&nbsp;</a></h3>
    - (const char*) <b>methodReturnType</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Returns an Objective-C <code>@encode(...)</code>
            compatible string describing the return type of
            the method. This may include type qualifiers.
          
    </div>
    <hr width="25%" align="left" />
</div>
<div class="method">
    <h3><a name="method$NSMethodSignature-numberOfArguments">numberOfArguments&nbsp;</a></h3>
    - (<a rel="gsdoc" href="TypesAndConstants.html#type$NSUInteger">NSUInteger</a>) <b>numberOfArguments</b>;<br />
    <div class="availability">
<b>Availability:</b> OpenStep</div>
<br />
    <div class="desc">
      
            Returns number of arguments to method, including
            the implicit <code><em>self</em></code> and
            <code><em>_cmd</em></code>.
          
    </div>
    <hr width="25%" align="left" />
</div>
    <br />
    <a href="Base.html">Up</a>
    </font>
</body>
</html>