2 // CSharpInvokeBinder.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 CSharpInvokeBinder : InvokeBinder
39 readonly CSharpBinderFlags flags;
40 IList<CSharpArgumentInfo> argumentInfo;
43 public CSharpInvokeBinder (CSharpBinderFlags flags, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
44 : base (CSharpArgumentInfo.CreateCallInfo (argumentInfo, 1))
47 this.callingContext = callingContext;
48 this.argumentInfo = argumentInfo.ToReadOnly ();
51 public override DynamicMetaObject FallbackInvoke (DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
53 var ctx = DynamicContext.Create ();
54 var expr = ctx.CreateCompilerExpression (argumentInfo [0], target);
55 var c_args = ctx.CreateCompilerArguments (argumentInfo.Skip (1), args);
56 expr = new Compiler.Invocation (expr, c_args);
58 if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
59 expr = new Compiler.Cast (new Compiler.TypeExpression (ctx.ImportType (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
61 expr = new Compiler.DynamicResultCast (ctx.ImportType (ReturnType), expr);
63 var binder = new CSharpBinder (this, expr, errorSuggestion);
64 binder.AddRestrictions (target);
65 binder.AddRestrictions (args);
67 return binder.Bind (ctx, callingContext);