internal override void Scan(bool scanNext)
{
for (var i = 0; i < _items.Count; ++i)
{
SemanticFind find = _errors[i];
if (find.Operator == this)
{
_errors.Remove(find);
--i;
}
}
_initializedNames.Push(new List <string>());
ISemanticType rightType = Expression.GetSemanticType();
ISemanticType leftType = SimpleType.Boolean;
if (!rightType.CanCastTo(leftType, false))
{
GenerateFind(new InCorrectExpressionType(Operator, Expression.Words, leftType.FullType, rightType.FullType));
}
if (Child != null)
{
Child.Scan(true);
}
var ifNames = new HashSet <string>();
ifNames.UnionWith(_initializedNames.Pop());
foreach (var elseIf in ElseIfList)
{
_initializedNames.Push(new List <string>());
elseIf.Scan(true);
ifNames.IntersectWith(_initializedNames.Pop());
}
if (Else != null)
{
_initializedNames.Push(new List <string>());
Else.Scan(true);
ifNames.IntersectWith(_initializedNames.Pop());
}
else
{
ifNames.Clear();
}
if (_initializedNames.Count > 0)
{
_initializedNames.First().AddRange(ifNames);
}
if (Next != null && scanNext)
{
Next.Scan(true);
}
}
internal override void Scan(bool scanNext)
{
for (var i = 0; i < _errors.Count; ++i)
{
SemanticFind find = _errors[i];
if (find.Operator == this)
{
_errors.Remove(find);
--i;
}
}
base.Scan(scanNext);
}
internal override void Scan(bool scanNext)
{
for (var i = 0; i < _errors.Count; ++i)
{
SemanticFind find = _errors[i];
if (find.Operator == this)
{
_errors.Remove(find);
--i;
}
}
if (Child != null)
{
Child.Scan(true);
}
}
internal override void Scan(bool scanNext)
{
for (var i = 0; i < _errors.Count; ++i)
{
SemanticFind find = _errors[i];
if (find.Operator == this)
{
_errors.Remove(find);
--i;
}
}
ISemanticType rightType = Expression.GetSemanticType();
ISemanticType leftType = SimpleType.Boolean;
if (rightType.CanCastTo(leftType, false))
{
GenerateFind(new InCorrectExpressionType(Operator, Expression.Words, leftType.FullType, rightType.FullType));
}
Child?.Scan(true);
}
protected static void GenerateFind(SemanticFind find) => SemanticItem.GenerateFind(find);