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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.Globalization;
using ICSharpCode.NRefactory.TypeSystem;
namespace ICSharpCode.NRefactory.Semantics
{
/// <summary>
/// Represents a local variable.
/// </summary>
public class LocalResolveResult : ResolveResult
{
readonly IVariable variable;
public LocalResolveResult(IVariable variable)
: base(UnpackTypeIfByRefParameter(variable))
{
this.variable = variable;
}
static IType UnpackTypeIfByRefParameter(IVariable variable)
{
if (variable == null)
throw new ArgumentNullException("variable");
IType type = variable.Type;
if (type.Kind == TypeKind.ByReference) {
IParameter p = variable as IParameter;
if (p != null && (p.IsRef || p.IsOut))
return ((ByReferenceType)type).ElementType;
}
return type;
}
public IVariable Variable {
get { return variable; }
}
public bool IsParameter {
get { return variable is IParameter; }
}
public override bool IsCompileTimeConstant {
get { return variable.IsConst; }
}
public override object ConstantValue {
get { return variable.ConstantValue; }
}
public override string ToString()
{
return string.Format(CultureInfo.InvariantCulture, "[LocalResolveResult {0}]", variable);
}
public override DomRegion GetDefinitionRegion()
{
return variable.Region;
}
}
}
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