/* ****************************************************************************
*
* Copyright (c) Microsoft Corporation.
*
* This source code is subject to terms and conditions of the Microsoft Public License. A
* copy of the license can be found in the License.html file at the root of this distribution. If
* you cannot locate the Microsoft Public License, please send an email to
* dlr@microsoft.com. By using this source code in any fashion, you are agreeing to be bound
* by the terms of the Microsoft Public License.
*
* You must not remove this notice, or any other, from this software.
*
*
* ***************************************************************************/
using System;
using System.Collections.Generic;
using System.Linq.Expressions;
using Microsoft.Scripting.Actions;
using Microsoft.Scripting.Generation;
using Microsoft.Scripting.Actions.Calls;
namespace Microsoft.Scripting.Runtime{
// TODO: invariant context
internal class DefaultActionBinder : DefaultBinder {
private Type[] _extensionTypes;
public DefaultActionBinder(ScriptDomainManager manager, Type[] extensionTypes)
: base(manager) {
this._extensionTypes = extensionTypes;
}
public override IList<Type> GetExtensionTypes(Type t) {
return _extensionTypes;
}
// A bunch of conversion code
public override object Convert(object obj, Type toType) {
throw new NotImplementedException();
}
public override bool CanConvertFrom(Type fromType, Type toType, bool toNotNullable, NarrowingLevel level) {
// TODO: None -> nullable reference types?
return toType.IsAssignableFrom(fromType);
}
public override Candidate PreferConvert(Type t1, Type t2) {
throw new NotImplementedException();
}
public override Expression ConvertExpression(Expression expr, Type toType, ConversionResultKind kind, OverloadResolverFactory factory) {
if (toType.IsAssignableFrom(expr.Type)) {
return expr;
}
return Ast.Utils.Convert(expr, toType);
}
}
}
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