private static void AddVariableThatWasSkippedBeforeBecauseItLackedAInitializer(Dictionary<IFieldSymbol, VariableDeclaratorSyntax> variablesToMakeReadonly, IFieldSymbol fieldSymbol, SyntaxNode assignment, SemanticModel semanticModel)
{
var parent = assignment.Parent;
while (parent != null)
{
if (parent is AnonymousFunctionExpressionSyntax)
return;
if (parent is ConstructorDeclarationSyntax)
break;
parent = parent.Parent;
}
if (!fieldSymbol.IsReadOnly && !variablesToMakeReadonly.Keys.Contains(fieldSymbol))
{
var containingType = assignment.FirstAncestorOfKind(SyntaxKind.ClassDeclaration, SyntaxKind.StructDeclaration);
if (containingType == null) return;
var containingTypeSymbol = semanticModel.GetDeclaredSymbol(containingType) as INamedTypeSymbol;
if (containingTypeSymbol == null) return;
if (!fieldSymbol.ContainingType.Equals(containingTypeSymbol)) return;
foreach (var variable in fieldSymbol.DeclaringSyntaxReferences)
variablesToMakeReadonly.Add(fieldSymbol, (VariableDeclaratorSyntax)variable.GetSyntax());
}
}
