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
|
/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System; using Microsoft;
using System.Collections.Generic;
using System.Collections.ObjectModel;
#if CODEPLEX_40
using System.Dynamic.Utils;
using System.Linq.Expressions;
#else
using Microsoft.Scripting.Utils;
using Microsoft.Linq.Expressions;
#endif
#if SILVERLIGHT
using System.Core;
#endif //SILVERLIGHT
#if CODEPLEX_40
namespace System.Dynamic {
#else
namespace Microsoft.Scripting {
#endif
/// <summary>
/// Describes arguments in the dynamic binding process.
/// </summary>
/// <remarks>
/// ArgumentCount - all inclusive number of arguments.
/// ArgumentNames - names for those arguments that are named.
///
/// Argument names match to the argument values in left to right order
/// and last name corresponds to the last argument.
///
/// Example:
/// Foo(arg1, arg2, arg3, name1 = arg4, name2 = arg5, name3 = arg6)
///
/// will correspond to:
/// ArgumentCount: 6
/// ArgumentNames: {"name1", "name2", "name3"}
/// </remarks>
public sealed class CallInfo {
private readonly int _argCount;
private readonly ReadOnlyCollection<string> _argNames;
/// <summary>
/// Creates a new PositionalArgumentInfo.
/// </summary>
/// <param name="argCount">The number of arguments.</param>
/// <param name="argNames">The argument names.</param>
/// <returns>The new CallInfo</returns>
public CallInfo(int argCount, params string[] argNames)
: this(argCount, (IEnumerable<string>)argNames) {
}
/// <summary>
/// Creates a new CallInfo that represents arguments in the dynamic binding process.
/// </summary>
/// <param name="argCount">The number of arguments.</param>
/// <param name="argNames">The argument names.</param>
/// <returns>The new CallInfo</returns>
public CallInfo(int argCount, IEnumerable<string> argNames) {
ContractUtils.RequiresNotNull(argNames, "argNames");
var argNameCol = argNames.ToReadOnly();
ContractUtils.Requires(argCount >= argNameCol.Count, "argCount", Strings.ArgCntMustBeGreaterThanNameCnt);
ContractUtils.RequiresNotNullItems(argNameCol, "argNames");
_argCount = argCount;
_argNames = argNameCol;
}
/// <summary>
/// The number of arguments.
/// </summary>
public int ArgumentCount {
get { return _argCount; }
}
/// <summary>
/// The argument names.
/// </summary>
public ReadOnlyCollection<string> ArgumentNames {
get { return _argNames; }
}
/// <summary>
/// Serves as a hash function for the current CallInfo.
/// </summary>
/// <returns>A hash code for the current CallInfo.</returns>
public override int GetHashCode() {
return _argCount ^ _argNames.ListHashCode();
}
/// <summary>
/// Determines whether the specified CallInfo instance is considered equal to the current.
/// </summary>
/// <param name="obj">The instance of CallInfo to compare with the current instance.</param>
/// <returns>true if the specified instance is equal to the current one otherwise, false.</returns>
public override bool Equals(object obj) {
var other = obj as CallInfo;
return _argCount == other._argCount && _argNames.ListEquals(other._argNames);
}
}
}
|
