-// Permission is hereby granted, free of charge, to any person obtaining\r
-// a copy of this software and associated documentation files (the\r
-// "Software"), to deal in the Software without restriction, including\r
-// without limitation the rights to use, copy, modify, merge, publish,\r
-// distribute, sublicense, and/or sell copies of the Software, and to\r
-// permit persons to whom the Software is furnished to do so, subject to\r
-// the following conditions:\r
-// \r
-// The above copyright notice and this permission notice shall be\r
-// included in all copies or substantial portions of the Software.\r
-// \r
-// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,\r
-// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF\r
-// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND\r
-// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE\r
-// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION\r
-// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION\r
-//\r
-// Authors:\r
-// Antonello Provenzano <antonello@deveel.com>\r
-//\r
-\r
-using System.Reflection;\r
-using System.Text;\r
-\r
-namespace System.Linq.Expressions\r
-{\r
- public abstract class MemberBinding\r
- {\r
- #region .ctor\r
- protected MemberBinding(MemberBindingType type, MemberInfo member)\r
- {\r
- this.type = type;\r
- this.member = member;\r
- }\r
- #endregion\r
-\r
- #region Fields\r
- private MemberBindingType type;\r
- private MemberInfo member;\r
- #endregion\r
-\r
- #region Properties\r
- public MemberBindingType BindingType\r
- {\r
- get { return type; }\r
- }\r
-\r
- public MemberInfo Member\r
- {\r
- get { return member; }\r
- }\r
- #endregion\r
-\r
- #region Internal Methods\r
- internal abstract void BuildString(StringBuilder builder);\r
- #endregion\r
- }\r
-}
\ No newline at end of file
+//
+// MemberBinding.cs
+//
+// Author:
+// Jb Evain (jbevain@novell.com)
+//
+// (C) 2008 Novell, Inc. (http://www.novell.com)
+//
+// Permission is hereby granted, free of charge, to any person obtaining
+// a copy of this software and associated documentation files (the
+// "Software"), to deal in the Software without restriction, including
+// without limitation the rights to use, copy, modify, merge, publish,
+// distribute, sublicense, and/or sell copies of the Software, and to
+// permit persons to whom the Software is furnished to do so, subject to
+// the following conditions:
+//
+// The above copyright notice and this permission notice shall be
+// included in all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
+// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
+// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
+// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//
+
+using System;
+using System.Reflection;
+using System.Reflection.Emit;
+
+namespace System.Linq.Expressions {
+
+ public abstract class MemberBinding {
+
+ MemberBindingType binding_type;
+ MemberInfo member;
+
+ public MemberBindingType BindingType {
+ get { return binding_type; }
+ }
+
+ public MemberInfo Member {
+ get { return member; }
+ }
+
+ internal MemberBinding (MemberBindingType binding_type, MemberInfo member)
+ {
+ this.binding_type = binding_type;
+ this.member = member;
+ }
+
+ public override string ToString ()
+ {
+ return ExpressionPrinter.ToString (this);
+ }
+
+ internal abstract void Emit (EmitContext ec, LocalBuilder local);
+
+ internal LocalBuilder EmitLoadMember (EmitContext ec, LocalBuilder local)
+ {
+ ec.EmitLoad (local);
+
+ switch (member.MemberType) {
+ case MemberTypes.Property:
+ return EmitLoadProperty (ec, (PropertyInfo) member);
+ case MemberTypes.Field:
+ return EmitLoadField (ec, (FieldInfo) member);
+ default:
+ throw new NotSupportedException (member.MemberType.ToString ());
+ }
+ }
+
+ LocalBuilder EmitLoadProperty (EmitContext ec, PropertyInfo property)
+ {
+ var getter = property.GetGetMethod (true);
+ if (getter == null)
+ throw new NotSupportedException ();
+
+ var store = ec.ig.DeclareLocal (property.PropertyType);
+ ec.EmitCall (getter);
+ ec.ig.Emit (OpCodes.Stloc, store);
+ return store;
+ }
+
+ LocalBuilder EmitLoadField (EmitContext ec, FieldInfo field)
+ {
+ var store = ec.ig.DeclareLocal (field.FieldType);
+ ec.ig.Emit (OpCodes.Ldfld, field);
+ ec.ig.Emit (OpCodes.Stloc, store);
+ return store;
+ }
+ }
+}
projects / mono.git / blobdiff