2 // CSharpIsEventBinder.cs
5 // Marek Safar <marek.safar@gmail.com>
7 // Copyright (C) 2009 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.
31 using System.Collections.Generic;
33 using Compiler = Mono.CSharp;
35 namespace Microsoft.CSharp.RuntimeBinder
37 class CSharpIsEventBinder : DynamicMetaObjectBinder
42 public CSharpIsEventBinder (string name, Type callingContext)
45 this.callingContext = callingContext;
48 public override DynamicMetaObject Bind (DynamicMetaObject target, DynamicMetaObject[] args)
50 var ctx = DynamicContext.Create ();
51 var context_type = ctx.ImportType (callingContext);
52 var queried_type = ctx.ImportType (target.LimitType);
53 var rc = new Compiler.ResolveContext (new RuntimeBinderContext (ctx, context_type), 0);
55 var expr = Compiler.Expression.MemberLookup (rc, context_type, queried_type,
56 name, 0, Compiler.Expression.MemberLookupRestrictions.ExactArity, Compiler.Location.Null);
58 var binder = new CSharpBinder (
59 this, new Compiler.BoolConstant (expr is Compiler.EventExpr, Compiler.Location.Null), null);
61 binder.AddRestrictions (target);
62 return binder.Bind (ctx, callingContext);
65 public override Type ReturnType {