public override SyntaxNode VisitVariableDeclarator(VariableDeclaratorSyntax node)
{
if (node.Initializer == null)
{
return(base.VisitVariableDeclarator(node));
}
if (node.Parent is VariableDeclarationSyntax == false)
{
return(base.VisitVariableDeclarator(node));
}
if (node.Parent.Parent is FieldDeclarationSyntax == false)
{
return(base.VisitVariableDeclarator(node));
}
if ((node.Parent.Parent as FieldDeclarationSyntax).Modifiers.Any(x => x.ValueText == "const"))
{
return(base.VisitVariableDeclarator(node));
}
var value = node.Initializer.Value;
if (value is LiteralExpressionSyntax)
{
var variableTypeNode = GetSystemTypeOfTypeNode((node.Parent as VariableDeclarationSyntax));
var valueObj = (value as LiteralExpressionSyntax).Token.Value;
if (TypesMapItem.GetAllPredefinedTypesDic().ContainsKey(variableTypeNode))
{
var typeItem = TypesMapItem.GetAllPredefinedTypesDic()[variableTypeNode];
if ((typeItem.DefaultValue == null && valueObj != null) || (typeItem.DefaultValue != null && !typeItem.DefaultValue.Equals(valueObj)))
{
return(base.VisitVariableDeclarator(node));
}
}
else
{
if (valueObj != null)
{
return(base.VisitVariableDeclarator(node));
}
}
node = node.WithInitializer(null).WithoutTrailingTrivia();
}
//else if (value is DefaultExpressionSyntax)
//{
// node = node.WithInitializer(null).WithoutTrailingTrivia();
//}
//else if (value is ObjectCreationExpressionSyntax)
//{
// if (variableTypeNode.IsKind(SyntaxKind.PredefinedType))
// {
// node = node.WithInitializer(null).WithoutTrailingTrivia();
// }
//}
return(base.VisitVariableDeclarator(node));
}
string GetSystemTypeOfTypeNode(VariableDeclarationSyntax d)
{
if (d.Type is PredefinedTypeSyntax)
{
return(TypesMapItem.GetAllPredefinedTypesDic()[(d.Type as PredefinedTypeSyntax).Keyword.ValueText].BuiltInName.Trim());
}
return(d.Type.ToFullString().Trim());
}
public SyntaxNode ConvertFullNameTypesToBuiltInTypesHelper(SyntaxNode initialSource)
{
var builtInTypesMapDic = TypesMapItem.GetBuiltInTypesDic();
var selectedTokensList =
initialSource
.DescendantNodes()
.Where
(
n =>
(n is IdentifierNameSyntax || n is QualifiedNameSyntax)
&&
builtInTypesMapDic.ContainsKey(n.WithoutTrivia().ToFullString())
);
return(initialSource.ReplaceNodes(
selectedTokensList,
(oldNode1, oldNode2) =>
{
if (oldNode1.Parent is QualifiedNameSyntax)
{
return oldNode1;
}
if (oldNode1.Parent is MemberAccessExpressionSyntax)
{
if ((oldNode1.Parent as MemberAccessExpressionSyntax).Expression != oldNode1)
{
return oldNode1;
}
}
else if (oldNode1 is IdentifierNameSyntax == false && oldNode1 is QualifiedNameSyntax == false)
{
return oldNode1;
}
else
{
var symbol = ProjectItemDetails.SemanticModel.GetSymbolInfo(oldNode1).Symbol;
if (symbol != null && symbol.Kind != SymbolKind.NamedType)
{
return oldNode1;
}
}
return
builtInTypesMapDic[oldNode1.WithoutTrivia().ToFullString()]
.NewNode
.WithLeadingTrivia(oldNode1.GetLeadingTrivia())
.WithTrailingTrivia(oldNode1.GetTrailingTrivia());
}
));
}
public static Dictionary <string, TypesMapItem> GetBuiltInTypesDic()
{
if (BuiltInTypesDic != null)
{
return(BuiltInTypesDic);
}
var output = new Dictionary <string, TypesMapItem>();
using (var provider = new CSharpCodeProvider())
{
var typesList = new TypesMapItem[]
{
GetBuiltInTypes(Type.GetType("System.Boolean"), GetPredefineType(SyntaxKind.BoolKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Byte"), GetPredefineType(SyntaxKind.ByteKeyword), provider),
GetBuiltInTypes(Type.GetType("System.SByte"), GetPredefineType(SyntaxKind.SByteKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Char"), GetPredefineType(SyntaxKind.CharKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Decimal"), GetPredefineType(SyntaxKind.DecimalKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Double"), GetPredefineType(SyntaxKind.DoubleKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Single"), GetPredefineType(SyntaxKind.FloatKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Int32"), GetPredefineType(SyntaxKind.IntKeyword), provider),
GetBuiltInTypes(Type.GetType("System.UInt32"), GetPredefineType(SyntaxKind.UIntKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Int64"), GetPredefineType(SyntaxKind.LongKeyword), provider),
GetBuiltInTypes(Type.GetType("System.UInt64"), GetPredefineType(SyntaxKind.ULongKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Object"), GetPredefineType(SyntaxKind.ObjectKeyword), provider),
GetBuiltInTypes(Type.GetType("System.Int16"), GetPredefineType(SyntaxKind.ShortKeyword), provider),
GetBuiltInTypes(Type.GetType("System.UInt16"), GetPredefineType(SyntaxKind.UShortKeyword), provider),
GetBuiltInTypes(Type.GetType("System.String"), GetPredefineType(SyntaxKind.StringKeyword), provider),
};
foreach (var item in typesList)
{
output.Add(item.Name, item);
output.Add(item.FullName, item);
}
return(BuiltInTypesDic = output);
}
}
