2 // CSharpInvokeMemberBinder.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
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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 CSharpInvokeMemberBinder : InvokeMemberBinder
39 readonly CSharpBinderFlags flags;
40 IList<CSharpArgumentInfo> argumentInfo;
41 IList<Type> typeArguments;
44 public CSharpInvokeMemberBinder (CSharpBinderFlags flags, string name, Type callingContext, IEnumerable<Type> typeArguments, IEnumerable<CSharpArgumentInfo> argumentInfo)
45 : base (name, false, CSharpArgumentInfo.CreateCallInfo (argumentInfo, 1))
48 this.callingContext = callingContext;
49 this.argumentInfo = argumentInfo.ToReadOnly ();
50 this.typeArguments = typeArguments.ToReadOnly ();
53 public override DynamicMetaObject FallbackInvoke (DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
55 var b = new CSharpInvokeBinder (flags, callingContext, argumentInfo);
57 // TODO: Is errorSuggestion ever used?
58 return b.Defer (target, args);
61 public override DynamicMetaObject FallbackInvokeMember (DynamicMetaObject target, DynamicMetaObject[] args, DynamicMetaObject errorSuggestion)
63 var ctx = DynamicContext.Create ();
64 var c_args = ctx.CreateCompilerArguments (argumentInfo.Skip (1), args);
65 var t_args = typeArguments == null ?
67 new Compiler.TypeArguments (typeArguments.Select (l => new Compiler.TypeExpression (ctx.ImportType (l), Compiler.Location.Null)).ToArray ());
69 var expr = ctx.CreateCompilerExpression (argumentInfo[0], target);
72 // Simple name invocation is actually member access invocation
73 // to capture original this argument. This brings problem when
74 // simple name is resolved as a static invocation and member access
75 // has to be reduced back to simple name without reporting an error
77 if ((flags & CSharpBinderFlags.InvokeSimpleName) != 0) {
78 var value = expr as Compiler.RuntimeValueExpression;
80 value.IsSuggestionOnly = true;
83 expr = new Compiler.MemberAccess (expr, Name, t_args, Compiler.Location.Null);
84 expr = new Compiler.Invocation (expr, c_args);
86 if ((flags & CSharpBinderFlags.ResultDiscarded) == 0)
87 expr = new Compiler.Cast (new Compiler.TypeExpression (ctx.ImportType (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
89 expr = new Compiler.DynamicResultCast (ctx.ImportType (ReturnType), expr);
91 var binder = new CSharpBinder (this, expr, errorSuggestion);
92 binder.AddRestrictions (target);
93 binder.AddRestrictions (args);
95 if ((flags & CSharpBinderFlags.InvokeSpecialName) != 0)
96 binder.ResolveOptions |= Compiler.ResolveContext.Options.InvokeSpecialName;
98 return binder.Bind (ctx, callingContext);