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());
}