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// Copyright (c) AlphaSierraPapa for the SharpDevelop Team
//
// 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.Collections.Generic;
using System.Globalization;
using System.Linq;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.Semantics
{
/// <summary>
/// Represents the result of a member invocation.
/// </summary>
public class MemberResolveResult : ResolveResult
{
readonly IMember member;
readonly bool isConstant;
readonly object constantValue;
readonly ResolveResult targetResult;
readonly bool isVirtualCall;
public MemberResolveResult(ResolveResult targetResult, IMember member)
: base(member.EntityType == EntityType.Constructor ? member.DeclaringType : member.ReturnType)
{
this.targetResult = targetResult;
this.member = member;
var thisRR = targetResult as ThisResolveResult;
this.isVirtualCall = member.IsOverridable && !(thisRR != null && thisRR.CausesNonVirtualInvocation);
IField field = member as IField;
if (field != null) {
isConstant = field.IsConst;
if (isConstant)
constantValue = field.ConstantValue;
}
}
public MemberResolveResult(ResolveResult targetResult, IMember member, bool isVirtualCall)
: base(member.EntityType == EntityType.Constructor ? member.DeclaringType : member.ReturnType)
{
this.targetResult = targetResult;
this.member = member;
this.isVirtualCall = isVirtualCall;
IField field = member as IField;
if (field != null) {
isConstant = field.IsConst;
if (isConstant)
constantValue = field.ConstantValue;
}
}
public MemberResolveResult(ResolveResult targetResult, IMember member, IType returnType, bool isConstant, object constantValue)
: base(returnType)
{
this.targetResult = targetResult;
this.member = member;
this.isConstant = isConstant;
this.constantValue = constantValue;
}
public ResolveResult TargetResult {
get { return targetResult; }
}
/// <summary>
/// Gets the member.
/// This property never returns null.
/// </summary>
public IMember Member {
get { return member; }
}
/// <summary>
/// Gets whether this MemberResolveResult is a virtual call.
/// </summary>
public bool IsVirtualCall {
get { return isVirtualCall; }
}
public override bool IsCompileTimeConstant {
get { return isConstant; }
}
public override object ConstantValue {
get { return constantValue; }
}
public override IEnumerable<ResolveResult> GetChildResults()
{
if (targetResult != null)
return new[] { targetResult };
else
return Enumerable.Empty<ResolveResult>();
}
public override string ToString()
{
return string.Format(CultureInfo.InvariantCulture, "[{0} {1}]", GetType().Name, member);
}
public override DomRegion GetDefinitionRegion()
{
return member.Region;
}
}
}
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