internal static IField ScanGetter (RefactoringContext context, PropertyDeclaration propertyDeclaration)
{
if (propertyDeclaration.Getter.Body.Statements.Count != 1)
return null;
var returnStatement = propertyDeclaration.Getter.Body.Statements.First () as ReturnStatement;
var result = context.ResolveMember (returnStatement.Expression);
if (result == null)
return null;
return result.FirstOrDefault () as IField;
}
AstType GuessType (RefactoringContext context, IdentifierExpression identifier)
{
var type = CreateField.GuessType (context, identifier);
if (type != null)
return type;
if (identifier != null && (identifier.Parent is InvocationExpression || identifier.Parent.Parent is InvocationExpression)) {
var invocation = (identifier.Parent as InvocationExpression) ?? (identifier.Parent.Parent as InvocationExpression);
var result = context.ResolveMember (invocation).FirstOrDefault () as IMethod;
if (result == null)
return null;
int i = 0;
foreach (var arg in invocation.Arguments) {
if (arg.Contains (identifier.StartLocation))
break;
i++;
}
if (result.Parameters.Count < i)
return null;
return context.CreateShortType (result.Parameters[i].Type.Resolve (context.TypeResolveContext));
}
return null;
}
internal static IField ScanSetter (RefactoringContext context, PropertyDeclaration propertyDeclaration)
{
if (propertyDeclaration.Setter.Body.Statements.Count != 1)
return null;
var setAssignment = propertyDeclaration.Setter.Body.Statements.First () as ExpressionStatement;
var assignment = setAssignment != null ? setAssignment.Expression as AssignmentExpression : null;
if (assignment == null || assignment.Operator != AssignmentOperatorType.Assign)
return null;
var result = context.ResolveMember (assignment.Left);
if (result == null)
return null;
return result.FirstOrDefault () as IField;
}