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.Resolve(invocation).Type.GetDelegateInvokeMethod();
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);
}
AstNode GeneratePropertyDeclaration(RefactoringContext context, IdentifierExpression identifier)
{
return(new PropertyDeclaration()
{
ReturnType = CreateField.GuessType(context, identifier),
Name = identifier.Identifier,
Getter = new Accessor(),
Setter = new Accessor()
});
}
public bool IsValid(RefactoringContext context)
{
var identifier = CreateField.GetIdentifier(context);
if (identifier == null)
{
return(false);
}
return(context.Resolve(identifier) == null && CreateField.GuessType(context, identifier) != null);
}