83 lines
3.1 KiB
C#
83 lines
3.1 KiB
C#
//
|
|
// CSharpSetMemberBinder.cs
|
|
//
|
|
// Authors:
|
|
// Marek Safar <marek.safar@gmail.com>
|
|
//
|
|
// Copyright (C) 2009 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.Dynamic;
|
|
using System.Collections.Generic;
|
|
using System.Linq;
|
|
using Compiler = Mono.CSharp;
|
|
|
|
namespace Microsoft.CSharp.RuntimeBinder
|
|
{
|
|
class CSharpSetMemberBinder : SetMemberBinder
|
|
{
|
|
readonly CSharpBinderFlags flags;
|
|
IList<CSharpArgumentInfo> argumentInfo;
|
|
Type callingContext;
|
|
|
|
public CSharpSetMemberBinder (CSharpBinderFlags flags, string name, Type callingContext, IEnumerable<CSharpArgumentInfo> argumentInfo)
|
|
: base (name, false)
|
|
{
|
|
this.flags = flags;
|
|
this.callingContext = callingContext;
|
|
this.argumentInfo = argumentInfo.ToReadOnly ();
|
|
}
|
|
|
|
public override DynamicMetaObject FallbackSetMember (DynamicMetaObject target, DynamicMetaObject value, DynamicMetaObject errorSuggestion)
|
|
{
|
|
var ctx = DynamicContext.Create ();
|
|
var source = ctx.CreateCompilerExpression (argumentInfo [1], value);
|
|
var expr = ctx.CreateCompilerExpression (argumentInfo [0], target);
|
|
|
|
// Field assignment
|
|
expr = new Compiler.MemberAccess (expr, Name);
|
|
|
|
// Compound assignment under dynamic context does not convert result
|
|
// expression but when setting member type we need to do explicit
|
|
// conversion to ensure type match between member type and dynamic
|
|
// expression type
|
|
if ((flags & CSharpBinderFlags.ValueFromCompoundAssignment) != 0) {
|
|
expr = new Compiler.RuntimeExplicitAssign (expr, source);
|
|
} else {
|
|
expr = new Compiler.SimpleAssign (expr, source);
|
|
}
|
|
|
|
expr = new Compiler.Cast (new Compiler.TypeExpression (ctx.ImportType (ReturnType), Compiler.Location.Null), expr, Compiler.Location.Null);
|
|
|
|
if ((flags & CSharpBinderFlags.CheckedContext) != 0)
|
|
expr = new Compiler.CheckedExpr (expr, Compiler.Location.Null);
|
|
|
|
var binder = new CSharpBinder (this, expr, errorSuggestion);
|
|
binder.AddRestrictions (target);
|
|
binder.AddRestrictions (value);
|
|
|
|
return binder.Bind (ctx, callingContext);
|
|
}
|
|
}
|
|
}
|