2 // MemberAssignement.cs
5 // Jb Evain (jbevain@novell.com)
7 // (C) 2008 Novell, Inc. (http://www.novell.com)
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System
.Reflection
;
31 using System
.Reflection
.Emit
;
34 namespace System
.Linq
.Expressions
{
36 public sealed class MemberAssignment
: MemberBinding
{
38 Expression expression
;
40 public Expression Expression
{
41 get { return expression; }
44 internal MemberAssignment (MemberInfo member
, Expression expression
)
45 : base (MemberBindingType
.Assignment
, member
)
47 this.expression
= expression
;
50 internal override void Emit (EmitContext ec
, LocalBuilder local
)
52 this.Member
.OnFieldOrProperty (
53 field
=> EmitFieldAssignment (ec
, field
, local
),
54 prop
=> EmitPropertyAssignment (ec
, prop
, local
));
57 void EmitFieldAssignment (EmitContext ec
, FieldInfo field
, LocalBuilder local
)
59 ec
.EmitLoadSubject (local
);
61 ec
.ig
.Emit (OpCodes
.Stfld
, field
);
64 void EmitPropertyAssignment (EmitContext ec
, PropertyInfo property
, LocalBuilder local
)
66 var setter
= property
.GetSetMethod (true);
68 throw new InvalidOperationException ();
70 ec
.EmitLoadSubject (local
);