public override void Dump(SourceWriter sw, int indentChange)
{
sw.Write("new");
if (BaseType != null)
{
sw.Write(" ");
DumpChild(BaseType, sw);
}
sw.Write("[");
var i = 0;
foreach (var dimension in _dimensions)
{
if (i++ != 0)
{
sw.Write(", ");
}
DumpChild(dimension, sw);
}
sw.Write("]");
if (RankSpecifier != null)
{
sw.Write(RankSpecifier.Substring(2));
}
if (_initializer == null)
{
return;
}
sw.Write(" ");
DumpChild(_initializer, sw);
}
private bool CheckIndices(ParseContext ec, IList <Expression> probe, int idx, bool explicitDimensions, int childBounds)
{
if (explicitDimensions)
{
var a = _dimensions[idx];
a = a.Resolve(ec);
if (a == null)
{
return(false);
}
var c = a as ConstantExpression;
if (c != null)
{
c = c.ConvertImplicitly(TypeManager.CoreTypes.Int32);
}
if (c == null)
{
ec.ReportError(
150,
"A constant value is expected.",
a.Span);
return(false);
}
var value = (int)c.Value;
if (value != probe.Count)
{
ec.ReportError(
847,
string.Format("An array initializer of length '{0}' was expected.", value),
Span);
return(false);
}
//bounds[idx] = value;
}
for (var i = 0; i < probe.Count; ++i)
{
var o = probe[i];
var subProbe = o as ArrayInitializerExpression;
if (subProbe != null)
{
if (idx + 1 >= _resolvedDimensions)
{
ec.ReportError(
623,
"Array initializers can only be used in a variable or field initializer. Try using a new expression instead.",
subProbe.Span);
return(false);
}
var subProbeCheck = CheckIndices(ec, subProbe.Values, idx + 1, explicitDimensions, childBounds - 1);
if (!subProbeCheck)
{
return(false);
}
probe[i] = new ArrayCreationExpression
{
_baseType = _baseType,
_initializer = subProbe,
RankSpecifier = RankSpecifier.Substring(RankSpecifier.IndexOf(']') + 1),
Span = subProbe.Span
}.Resolve(ec);
}
else if (childBounds > 1)
{
ec.ReportError(
846,
"A nested array initializer was expected.",
o.Span);
}
else
{
var element = ResolveArrayElement(ec, o);
if (element == null)
{
continue;
}
// Initializers with the default values can be ignored
var c = element as ConstantExpression;
if (c != null)
{
//if (c.IsDefaultInitializer(_resolvedElementType))
//{
// element = null;
//}
}
_arrayData.Add(element);
}
}
return(true);
}
