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
47 [MethodImpl (MethodImplOptions.InternalCall)]
48 extern void Setup (IntPtr argsp, IntPtr start);
50 public ArgIterator (RuntimeArgumentHandle arglist)
54 next_arg = num_args = 0;
55 Setup (arglist.args, IntPtr.Zero);
58 [CLSCompliant (false)]
59 unsafe public ArgIterator (RuntimeArgumentHandle arglist, void *ptr)
63 next_arg = num_args = 0;
64 Setup (arglist.args, (IntPtr) ptr);
72 public override bool Equals (object o)
74 throw new NotSupportedException (Locale.GetText ("ArgIterator does not support Equals."));
77 public override int GetHashCode ()
79 return sig.GetHashCode ();
82 [CLSCompliant (false)]
83 public TypedReference GetNextArg ()
85 if (num_args == next_arg)
86 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
87 return IntGetNextArg ();
90 [MethodImpl (MethodImplOptions.InternalCall)]
91 extern TypedReference IntGetNextArg ();
93 [CLSCompliant (false)]
94 public TypedReference GetNextArg (RuntimeTypeHandle rth)
96 if (num_args == next_arg)
97 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
98 return IntGetNextArg (rth.Value);
101 [MethodImpl (MethodImplOptions.InternalCall)]
102 extern TypedReference IntGetNextArg (IntPtr rth);
104 public RuntimeTypeHandle GetNextArgType ()
106 if (num_args == next_arg)
107 throw new InvalidOperationException (Locale.GetText ("Invalid iterator position."));
108 return new RuntimeTypeHandle (IntGetNextArgType ());
111 [MethodImpl (MethodImplOptions.InternalCall)]
112 extern IntPtr IntGetNextArgType ();
114 public int GetRemainingCount ()
116 return num_args - next_arg;