internal static void SetModifiers(AstNode node, Modifiers newValue)
{
Modifiers oldValue = GetModifiers(node);
AstNode insertionPos = node.GetChildrenByRole(Attribute.AttributeRole).LastOrDefault();
foreach (Modifiers m in VBModifierToken.AllModifiers)
{
if ((m & newValue) != 0)
{
if ((m & oldValue) == 0)
{
// Modifier was added
var newToken = new VBModifierToken(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 void SetModifiers(AstNode node, LambdaExpressionModifiers newValue)
{
LambdaExpressionModifiers oldValue = GetModifiers(node);
AstNode insertionPos = null;
foreach (Modifiers m in VBModifierToken.AllModifiers)
{
if ((m & (Modifiers)newValue) != 0)
{
if ((m & (Modifiers)oldValue) == 0)
{
// Modifier was added
var newToken = new VBModifierToken(AstLocation.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 & (Modifiers)oldValue) != 0)
{
// Modifier was removed
node.GetChildrenByRole(ModifierRole).First(t => t.Modifier == m).Remove();
}
}
}
}
internal static void SetModifiers(AstNode node, Modifiers newValue)
{
Modifiers oldValue = GetModifiers(node);
AstNode insertionPos = node.GetChildrenByRole(Attribute.AttributeRole).LastOrDefault();
foreach (Modifiers m in VBModifierToken.AllModifiers) {
if ((m & newValue) != 0) {
if ((m & oldValue) == 0) {
// Modifier was added
var newToken = new VBModifierToken(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();
}
}
}
}
protected internal override bool DoMatch(AstNode other, PatternMatching.Match match)
{
VBModifierToken o = other as VBModifierToken;
return(o != null && this.modifier == o.modifier);
}