internal static void SetModifiers(AstNode node, Modifiers newValue)
{
Modifiers oldValue = GetModifiers(node);
AstNode insertionPos = node.GetChildrenByRole(AttributeRole).LastOrDefault();
foreach (Modifiers m in CppModifierToken.AllModifiers)
{
if ((m & newValue) != 0)
{
if ((m & oldValue) == 0)
{
// Modifier was added
var newToken = new CppModifierToken(TextLocation.Empty, m);
node.InsertChildAfter(insertionPos, newToken, ModifierRole);
insertionPos = newToken;
}
else
{
// Modifier already exists
insertionPos = node.GetChildrenByRole(ModifierRole).First(t => t.Modifier == m);
}
}
else
{
if ((m & oldValue) != 0)
{
// Modifier was removed
node.GetChildrenByRole(ModifierRole).First(t => t.Modifier == m).Remove();
}
}
}
}
internal static Modifiers GetModifiers(AstNode node)
{
Modifiers m = 0;
foreach (CppModifierToken t in node.GetChildrenByRole(ModifierRole))
{
m |= t.Modifier;
}
return(m);
}