private static IFieldSymbol GetBackingFieldFromGetter(
AccessorDeclarationSyntax getter,
SemanticModel semanticModel)
{
// The getter should have a body containing a single return of a backing field.
if (getter.Body == null)
{
return(null);
}
SyntaxList <StatementSyntax> statements = getter.Body.Statements;
if (statements.Count != 1)
{
return(null);
}
if (!(statements.Single() is ReturnStatementSyntax returnStatement) || returnStatement.Expression == null)
{
return(null);
}
return(semanticModel.GetSymbolInfo(returnStatement.Expression).Symbol as IFieldSymbol);
}
private static string GetDescriptionContent(SyntaxList <AttributeListSyntax> list)
{
var singleAttribute = list.Single();
var descriptionAttribute = singleAttribute.Attributes.Single();
var descriptionContent = descriptionAttribute.ArgumentList.Arguments.Single().ToString();
return(descriptionContent.Trim('"'));
}
public static SyntaxList <T> WithCsSourceMappingFrom <T>(this SyntaxList <T> converted, SyntaxNode node) where T : VisualBasicSyntaxNode
{
if (converted.Count != 1)
{
return(WithSourceMappingFrom(converted, node));
}
var single = converted.Single();
return(converted.Replace(single, single.WithCsSourceMappingFrom(node)));
}
private ClassDeclarationSyntax WrapMembersWithComment(ClassDeclarationSyntax node, SyntaxList <MemberDeclarationSyntax> members)
{
if (members.Count == 0)
{
node = node.WithOpenBraceToken(GetOpenBraceTokenWithEmptyCustomCode())
.WithMembers(SyntaxFactory.List <MemberDeclarationSyntax>());
}
else if (members.Count == 1)
{
var newMember = AddLeadingTriviaComment(AddTrailingTriviaComment(members.Single()));
node = node.WithMembers(members.RemoveAt(0).Add(newMember));
}
else
{
var firstMember = AddLeadingTriviaComment(members.First());
var lastMember = AddTrailingTriviaComment(members.Last());
var lastMemberIdx = members.Count - 1;
node = node.WithMembers(members.RemoveAt(lastMemberIdx).RemoveAt(0).Insert(0, firstMember).Add(lastMember));
}
return(node);
}
public static TSyntax FindByName <TSyntax>(
this SyntaxList <TSyntax> list,
Func <TSyntax, SyntaxNode> accessor,
string value) where TSyntax : SyntaxNode
=> list.Single(t => accessor(t).ToString() == value);