public HlslTreeNode[] TryGetContext(IList <HlslTreeNode> components)
{
var firstComponent = components[0];
if (!(firstComponent is DivisionOperation firstDivision))
{
return(null);
}
var firstLengthContext = _nodeGrouper.LengthGrouper.TryGetLengthContext(firstDivision.Divisor);
if (firstLengthContext == null)
{
return(null);
}
int dimension = firstLengthContext.Length;
if (firstLengthContext.Any(c => NodeGrouper.AreNodesEquivalent(firstDivision.Dividend, c)) == false)
{
return(null);
}
for (int i = 1; i < dimension; i++)
{
if (i >= components.Count)
{
return(null);
}
var nextComponent = components[i];
if (!(nextComponent is DivisionOperation nextDivision))
{
return(null);
}
if (NodeGrouper.AreNodesEquivalent(nextDivision.Divisor, firstDivision.Divisor) == false)
{
return(null);
}
if (firstLengthContext.Any(c => NodeGrouper.AreNodesEquivalent(nextDivision.Dividend, c)) == false)
{
return(null);
}
}
return(components
.Take(dimension)
.Cast <DivisionOperation>()
.Select(c => c.Dividend)
.ToArray());
}
public string Compile(ConstantNode[] group)
{
ConstantNode first = group[0];
int count = group.Length;
if (count == 1)
{
return(CompileConstant(first));
}
if (group.All(c => NodeGrouper.AreNodesEquivalent(c, first)))
{
return(CompileConstant(first));
}
string components = string.Join(", ", group.Select(CompileConstant));
return($"float{count}({components})");
}