private static IEnumerable <FieldDeclarationSyntax> SplitFieldDeclaration(FieldDeclarationSyntax declaration)
{
SeparatedSyntaxList <VariableDeclaratorSyntax> variables = declaration.Declaration.Variables;
FieldDeclarationSyntax declaration2 = declaration.WithoutTrivia();
for (int i = 0; i < variables.Count; i++)
{
FieldDeclarationSyntax newDeclaration = FieldDeclaration(
declaration2.AttributeLists,
declaration2.Modifiers,
VariableDeclaration(
declaration2.Declaration.Type,
SingletonSeparatedList(variables[i])));
if (i == 0)
{
newDeclaration = newDeclaration.WithLeadingTrivia(declaration.GetLeadingTrivia());
}
if (i == variables.Count - 1)
{
newDeclaration = newDeclaration.WithTrailingTrivia(declaration.GetTrailingTrivia());
}
yield return(newDeclaration.WithFormatterAnnotation());
}
}
public SimpleProperty(FieldDeclarationSyntax d)
{
Type = d.Declaration.Type;
Name = d.Declaration.Variables[0].Identifier.Text;
LeadingTrivia = d.GetLeadingTrivia();
TrailingTrivia = d.GetTrailingTrivia();
}
public Field(FieldDeclarationSyntax d)
{
Type = d.Declaration.Type;
Name = d.Declaration.Variables[0].Identifier.Text;
LeadingTrivia = d.GetLeadingTrivia();
TrailingTrivia = d.GetTrailingTrivia();
_bits = FindBitFieldAttribute(d);
}
public SimpleProperty(FieldDeclarationSyntax d, CodeGenerationOptions options)
{
Type = d.Declaration.Type;
Name = d.Declaration.Variables[0].Identifier.Text;
LeadingTrivia = d.GetLeadingTrivia();
TrailingTrivia = d.GetTrailingTrivia();
Options = options;
}
private static SyntaxNode MakeSingleFieldReadonly(SyntaxNode root, FieldDeclarationSyntax fieldDeclaration)
{
var newFieldDeclaration = fieldDeclaration.AddModifiers(SyntaxFactory.Token(SyntaxKind.ReadOnlyKeyword))
.WithTrailingTrivia(fieldDeclaration.GetTrailingTrivia())
.WithLeadingTrivia(fieldDeclaration.GetLeadingTrivia())
.WithAdditionalAnnotations(Formatter.Annotation);
var newRoot = root.ReplaceNode(fieldDeclaration, newFieldDeclaration);
return(newRoot);
}
public override SyntaxNode VisitFieldDeclaration(FieldDeclarationSyntax field)
{
if (!field.Modifiers.Any(SyntaxKind.PrivateKeyword))
{
return(field);
}
if (field.Modifiers.Any(SyntaxKind.ConstKeyword))
{
return(field);
}
if (field.Modifiers.Any(SyntaxKind.StaticKeyword))
{
return(field);
}
//var variables = new List<VariableDeclaratorSyntax>();
var variables = new List <VariableDeclaratorSyntax>();
foreach (var variable in field.Declaration.Variables)
{
var newVariable = variable.WithIdentifier(SyntaxFactory.Identifier(GetChangedName(variable.Identifier.ValueText))
.WithLeadingTrivia(variable.Identifier.LeadingTrivia)
.WithTrailingTrivia(variable.Identifier.TrailingTrivia))
.WithLeadingTrivia(variable.GetLeadingTrivia())
.WithTrailingTrivia(variable.GetTrailingTrivia());
variables.Add(newVariable);
}
field = field
.WithDeclaration(SyntaxFactory.VariableDeclaration(field.Declaration.Type, SyntaxFactory.SeparatedList(variables)))
.WithLeadingTrivia(field.GetLeadingTrivia())
.WithTrailingTrivia(field.GetTrailingTrivia());
return(field);
}
private async Task <Solution> ChangeToReadOnlySpan(Document document, FieldDeclarationSyntax fieldDeclaration, CancellationToken cancellationToken)
{
var originalSolution = document.Project.Solution;
var separatedTypes = new SeparatedSyntaxList <TypeSyntax>().Add((fieldDeclaration.Declaration.Type as ArrayTypeSyntax).ElementType);
var typeListSyntax = SyntaxFactory.TypeArgumentList(separatedTypes);
var readonlySpanType = SyntaxFactory.GenericName(SyntaxFactory.Identifier("ReadOnlySpan"), typeListSyntax);
var equalsValueClauseSyntax = fieldDeclaration.Declaration.Variables.First().Initializer;
var arrowExpressionSyntax = SyntaxFactory.ArrowExpressionClause(equalsValueClauseSyntax.Value);
var propertyDeclaration = SyntaxFactory
.PropertyDeclaration
(fieldDeclaration.AttributeLists,
new SyntaxTokenList(fieldDeclaration.Modifiers.Where(x => !x.IsKind(SyntaxKind.ReadOnlyKeyword))),
readonlySpanType,
null,
fieldDeclaration.Declaration.Variables.First().Identifier,
null,
arrowExpressionSyntax,
null);
var root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
var newRoot = root.ReplaceNode(fieldDeclaration, propertyDeclaration.WithLeadingTrivia(fieldDeclaration.GetLeadingTrivia()).WithSemicolonToken(fieldDeclaration.SemicolonToken).WithTrailingTrivia(fieldDeclaration.GetTrailingTrivia()));
return(originalSolution.WithDocumentSyntaxRoot(document.Id, newRoot));
}
public override Microsoft.CodeAnalysis.SyntaxNode VisitFieldDeclaration(FieldDeclarationSyntax node)
{
FieldDeclarationSyntax newNode = null;
var parent = node.Parent;
// Verify we have the correct context for the Field Declaration
switch (_declarationLocation)
{
case SyntaxNode.FieldDeclarationLocation.Class:
if (parent.Kind() != SyntaxKind.ClassBlock)
{
return(node);
}
break;
case SyntaxNode.FieldDeclarationLocation.Module:
if (parent.Kind() != SyntaxKind.ModuleBlock)
{
return(node);
}
break;
case SyntaxNode.FieldDeclarationLocation.Structure:
if (parent.Kind() != SyntaxKind.StructureBlock)
{
return(node);
}
break;
}
if (_targetPatternRegEx.Match(node.Declarators.First().Names.First().Identifier.ToString()).Success)
{
try
{
// Verify this expression is on line by itself. May not need to do this.
// See if can have multiple FieldDeclarations on same line.
if (VNCCA.Helpers.VB.IsOnLineByItself(node))
{
// HACK(crhodes)
// Figure out how to get Helpers to work here.
Messages.AppendLine(String.Format("Removing {0} {1}",
VNCCA.Helpers.VB.GetContainingContext(node, _configurationOptions),
node.ToString()));
if (_commentOutOnly)
{
List <SyntaxTrivia> newTrivia = new List <SyntaxTrivia>();
string existingLeadingTrivia = node.GetLeadingTrivia().ToString();
string existingLeadingTriviaFull = node.GetLeadingTrivia().ToFullString();
string existingTrailingTrivia = node.GetTrailingTrivia().ToString();
string existingTrailingTriviaFull = node.GetTrailingTrivia().ToFullString();
string startOfLineWhiteSpace = existingLeadingTrivia.Replace(System.Environment.NewLine, "");
newTrivia.Add(SyntaxFactory.CommentTrivia(existingLeadingTriviaFull));
newTrivia.Add(SyntaxFactory.CommentTrivia(VNCCA.Helpers.VB.MultiLineComment(_comment, startOfLineWhiteSpace)));
newTrivia.Add(SyntaxFactory.CommentTrivia("' "));
newNode = node.WithLeadingTrivia(newTrivia);
}
else
{
// This removes the node
newNode = null;
}
}
else
{
Messages.AppendLine(String.Format("node: >{0}< >{1}< Is NOT OnLineByItself", node.ToString(), node.ToFullString()));
newNode = node;
}
}
catch (Exception ex)
{
Messages.AppendLine(string.Format("Ex:{0} InnerEx:{1}", ex.ToString(), ex.InnerException.ToString()));
}
}
else
{
newNode = node;
}
return(newNode);
}