public static async Task <Document> RefactorAsync(
Document document,
LockStatementSyntax lockStatement,
CancellationToken cancellationToken = default(CancellationToken))
{
if (document == null)
{
throw new ArgumentNullException(nameof(document));
}
if (lockStatement == null)
{
throw new ArgumentNullException(nameof(lockStatement));
}
MemberDeclarationSyntax containingMember = lockStatement.FirstAncestorOrSelf <MemberDeclarationSyntax>();
if (containingMember != null)
{
var containingDeclaration = (MemberDeclarationSyntax)containingMember
.Ancestors()
.FirstOrDefault(f => f.IsKind(
SyntaxKind.ClassDeclaration,
SyntaxKind.InterfaceDeclaration,
SyntaxKind.StructDeclaration));
if (containingDeclaration != null)
{
SyntaxList <MemberDeclarationSyntax> members = containingDeclaration.GetMembers();
int index = members.IndexOf(containingMember);
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
string name = Identifier.EnsureUniqueMemberName(LockObjectName, lockStatement.Expression.SpanStart, semanticModel, cancellationToken);
LockStatementSyntax newLockStatement = lockStatement
.WithExpression(IdentifierName(Identifier(name).WithRenameAnnotation()));
MemberDeclarationSyntax newContainingMember = containingMember
.ReplaceNode(lockStatement, newLockStatement);
bool isStatic = containingMember.GetModifiers().Contains(SyntaxKind.StaticKeyword);
FieldDeclarationSyntax field = CreateFieldDeclaration(name, isStatic).WithFormatterAnnotation();
SyntaxList <MemberDeclarationSyntax> newMembers = members.ReplaceAt(index, newContainingMember);
newMembers = Inserter.InsertMember(newMembers, field);
MemberDeclarationSyntax newNode = containingDeclaration.SetMembers(newMembers);
return(await document.ReplaceNodeAsync(containingDeclaration, newNode, cancellationToken).ConfigureAwait(false));
}
}
return(document);
}
private static async Task <Document> IntroduceFieldToLockOnAsync(
Document document,
LockStatementSyntax lockStatement,
CancellationToken cancellationToken = default(CancellationToken))
{
SyntaxNode root = await document.GetSyntaxRootAsync(cancellationToken).ConfigureAwait(false);
MemberDeclarationSyntax containingMember = lockStatement.FirstAncestorOrSelf <MemberDeclarationSyntax>();
if (containingMember != null)
{
var containingDeclaration = (MemberDeclarationSyntax)containingMember
.Ancestors()
.FirstOrDefault(f => f.IsKind(
SyntaxKind.ClassDeclaration,
SyntaxKind.InterfaceDeclaration,
SyntaxKind.StructDeclaration));
if (containingDeclaration != null)
{
SyntaxList <MemberDeclarationSyntax> members = containingDeclaration.GetMembers();
int index = members.IndexOf(containingMember);
string name = LockObjectName;
if (document.SupportsSemanticModel)
{
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
name = SyntaxUtility.GetUniqueName(name, semanticModel, lockStatement.Expression.Span.Start);
}
LockStatementSyntax newLockStatement = lockStatement
.WithExpression(IdentifierName(name));
MemberDeclarationSyntax newContainingMember = containingMember
.ReplaceNode(lockStatement, newLockStatement);
bool isStatic = containingMember.GetModifiers().Contains(SyntaxKind.StaticKeyword);
FieldDeclarationSyntax field = CreateField(name, isStatic).WithFormatterAnnotation();
SyntaxList <MemberDeclarationSyntax> newMembers = members
.Replace(members[index], newContainingMember)
.Insert(FindField(members, index) + 1, field);
MemberDeclarationSyntax newNode = containingDeclaration.SetMembers(newMembers);
SyntaxNode newRoot = root.ReplaceNode(containingDeclaration, newNode);
return(document.WithSyntaxRoot(newRoot));
}
}
return(document);
}
public override SyntaxNode VisitLockStatement(LockStatementSyntax node)
{
if (node != this.ContainerOfStatementsOrFieldToReplace)
{
return(base.VisitLockStatement(node));
}
return(node.WithExpression(VisitNode(node.Expression))
.WithStatement(ReplaceStatementIfNeeded(node.Statement)));
}
public static async Task <Document> RefactorAsync(
Document document,
LockStatementSyntax lockStatement,
CancellationToken cancellationToken = default)
{
MemberDeclarationSyntax containingMember = lockStatement.FirstAncestor <MemberDeclarationSyntax>();
Debug.Assert(containingMember != null);
if (containingMember == null)
{
return(document);
}
TypeDeclarationSyntax containingType = containingMember.FirstAncestor <TypeDeclarationSyntax>();
Debug.Assert(containingType != null);
if (containingType == null)
{
return(document);
}
SyntaxList <MemberDeclarationSyntax> members = containingType.Members;
int index = members.IndexOf(containingMember);
SemanticModel semanticModel = await document.GetSemanticModelAsync(cancellationToken).ConfigureAwait(false);
string name = NameGenerator.Default.EnsureUniqueLocalName(
LockObjectName,
semanticModel,
lockStatement.Expression.SpanStart,
cancellationToken: cancellationToken);
LockStatementSyntax newLockStatement = lockStatement
.WithExpression(IdentifierName(Identifier(name).WithRenameAnnotation()));
MemberDeclarationSyntax newContainingMember = containingMember
.ReplaceNode(lockStatement, newLockStatement);
bool isStatic = SyntaxInfo.ModifierListInfo(containingMember).IsStatic;
FieldDeclarationSyntax field = CreateFieldDeclaration(name, isStatic).WithFormatterAnnotation();
SyntaxList <MemberDeclarationSyntax> newMembers = members.ReplaceAt(index, newContainingMember);
newMembers = MemberDeclarationInserter.Default.Insert(newMembers, field);
MemberDeclarationSyntax newNode = containingType.WithMembers(newMembers);
return(await document.ReplaceNodeAsync(containingType, newNode, cancellationToken).ConfigureAwait(false));
}
private static async Task <Document> IntroduceFieldToLockOnAsync(
Document document,
LockStatementSyntax lockStatement,
CancellationToken cancellationToken)
{
SyntaxNode oldRoot = await document.GetSyntaxRootAsync(cancellationToken);
MemberDeclarationSyntax containingMember = lockStatement.FirstAncestorOrSelf <MemberDeclarationSyntax>();
if (containingMember != null)
{
var containingDeclaration = (MemberDeclarationSyntax)containingMember
.Ancestors()
.FirstOrDefault(f => f.IsAnyKind(
SyntaxKind.ClassDeclaration,
SyntaxKind.InterfaceDeclaration,
SyntaxKind.StructDeclaration));
if (containingDeclaration != null)
{
SyntaxList <MemberDeclarationSyntax> members = containingDeclaration.GetMembers();
int index = members.IndexOf(containingMember);
LockStatementSyntax newLockStatement = lockStatement
.WithExpression(IdentifierName(LockObjectName));
MemberDeclarationSyntax newContainingMember = containingMember
.ReplaceNode(lockStatement, newLockStatement);
FieldDeclarationSyntax field = CreateField()
.WithAdditionalAnnotations(Formatter.Annotation);
SyntaxList <MemberDeclarationSyntax> newMembers = members
.Replace(members[index], newContainingMember)
.Insert(FindField(members, index) + 1, field);
MemberDeclarationSyntax newNode = containingDeclaration.SetMembers(newMembers);
SyntaxNode newRoot = oldRoot.ReplaceNode(containingDeclaration, newNode);
return(document.WithSyntaxRoot(newRoot));
}
}
return(document);
}