2 // System.ArgIterator.cs
5 // Dick Porter (dick@ximian.com)
6 // Paolo Molaro (lupus@ximian.com)
8 // (C) Ximian, Inc. http://www.ximian.com
12 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
14 // Permission is hereby granted, free of charge, to any person obtaining
15 // a copy of this software and associated documentation files (the
16 // "Software"), to deal in the Software without restriction, including
17 // without limitation the rights to use, copy, modify, merge, publish,
18 // distribute, sublicense, and/or sell copies of the Software, and to
19 // permit persons to whom the Software is furnished to do so, subject to
20 // the following conditions:
22 // The above copyright notice and this permission notice shall be
23 // included in all copies or substantial portions of the Software.
25 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
26 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
27 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
28 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
29 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
30 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
31 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
34 using System.Runtime.CompilerServices;
35 using System.Runtime.InteropServices;
39 [StructLayout (LayoutKind.Auto)]
40 public struct ArgIterator
42 #pragma warning disable 169, 414
47 #pragma warning restore 169, 414
49 [MethodImpl (MethodImplOptions.InternalCall)]
50 extern void Setup (IntPtr argsp, IntPtr start);
52 public ArgIterator (RuntimeArgumentHandle arglist)
56 next_arg = num_args = 0;
57 Setup (arglist.args, IntPtr.Zero);
60 [CLSCompliant (false)]
61 unsafe public ArgIterator (RuntimeArgumentHandle arglist, void *ptr)
65 next_arg = num_args = 0;
66 Setup (arglist.args, (IntPtr) ptr);
74 public override bool Equals (object o)
76 throw new NotSupportedException (Locale.GetText ("ArgIterator does not support Equals."));
79 public override int GetHashCode ()
81 return sig.GetHashCode ();
84 [CLSCompliant (false)]
85 public TypedReference GetNextArg ()
87 if (num_args == next_arg)
88 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
89 return IntGetNextArg ();
92 [MethodImpl (MethodImplOptions.InternalCall)]
93 extern TypedReference IntGetNextArg ();
95 [CLSCompliant (false)]
96 public TypedReference GetNextArg (RuntimeTypeHandle rth)
98 if (num_args == next_arg)
99 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
100 return IntGetNextArg (rth.Value);
103 [MethodImpl (MethodImplOptions.InternalCall)]
104 extern TypedReference IntGetNextArg (IntPtr rth);
106 public RuntimeTypeHandle GetNextArgType ()
108 if (num_args == next_arg)
109 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
110 return new RuntimeTypeHandle (IntGetNextArgType ());
113 [MethodImpl (MethodImplOptions.InternalCall)]
114 extern IntPtr IntGetNextArgType ();
116 public int GetRemainingCount ()
118 return num_args - next_arg;