public override DcParameter AppendArraySpecification(DcUIntRange size)
{
// If we are a typedef wrap directly
if (Typedef != null)
{
return(new DcArrayParameter(this, size));
}
_elementType = _elementType.AppendArraySpecification(size);
return(this);
}
public DcArrayParameter(DcParameter elementType, DcUIntRange size)
{
_elementType = elementType;
_arraySize = -1;
_arraySizeRange = size;
HasFixedByteSize = false;
Name = elementType.Name;
elementType.Name = string.Empty;
if (_arraySizeRange.HasOneValue())
{
_arraySize = (int)_arraySizeRange.GetOneValue();
}
else
{
HasRangeLimits = true;
}
if (_arraySize >= 0 && _elementType.HasFixedByteSize)
{
HasFixedByteSize = true;
FixedByteSize = _arraySize * _elementType.FixedByteSize;
HasFixedStructure = true;
}
else
{
NumLengthBytes = 2;
}
if (_elementType.HasRangeLimits)
{
HasRangeLimits = true;
}
if (_elementType.HasDefaultValue)
{
HasDefaultValue = true;
}
HasNestedFields = true;
NumNestedFields = _arraySize;
PackType = DcPackType.Array;
if (_elementType is DcSimpleParameter simpleType)
{
if (simpleType.Type == DcSubatomicType.Char)
{
PackType = DcPackType.String;
}
}
}
private void ReadRangeArgumentsIntoRange(DcParser.Range_argumentsContext context, DcUIntRange range)
{
while (context != null)
{
var arg = context.range_argument();
if (arg.single != null)
{
if (!uint.TryParse(arg.single.GetText(), out var single))
{
throw new Exception($"Error parsing array range '{arg.single.GetText()}' on line {arg.single.Start.Line}");
}
range.Add(single, single);
}
else if (arg.@char != null)
{
// Index 1 because the text includes quotes
var value = (uint)[email protected][1];
range.Add(value, value);
}
else
{
if (!uint.TryParse(arg.min.GetText(), out var min))
{
throw new Exception($"Error parsing array range min '{arg.min.GetText()}' on line {arg.min.Start.Line}");
}
if (!uint.TryParse(arg.min.GetText(), out var max))
{
throw new Exception($"Error parsing array range max '{arg.max.GetText()}' on line {arg.max.Start.Line}");
}
range.Add(min, max);
}
context = context.next;
}
}
private DcParameter BuildDcParameterFromContext(DcParser.ParameterContext context)
{
DcParameter parameter;
uint divisor = 1;
if (context.divisor != null)
{
divisor = uint.Parse(context.divisor.Text);
}
DcLongRange?paramRange = null;
if (context.parameter_range() != null)
{
paramRange = new DcLongRange();
ReadRangeArgumentsIntoRange(context.parameter_range().range_arguments(), paramRange);
}
// Array parameters
var array = context.array;
if (array != null)
{
var elementType = CreateParameterFromName(context.type.Text, divisor, paramRange);
var range = new DcUIntRange();
if (context.array.range != null)
{
ReadRangeArgumentsIntoRange(context.array.range, range);
}
parameter = new DcArrayParameter(elementType, range);
array = array.next;
while (array != null)
{
range = new DcUIntRange();
if (context.array.range != null)
{
ReadRangeArgumentsIntoRange(context.array.range, range);
}
parameter.AppendArraySpecification(range);
array = array.next;
}
}
else
{
parameter = CreateParameterFromName(context.type.Text, divisor, paramRange);
}
parameter.Name = context.name?.Text ?? "";
if (context.default_value() != null)
{
var bw = new SpanBufferWriter(stackalloc byte[512]);
bw.WriteValueConstant(parameter, context.default_value().value);
parameter.DefaultValue = bw.Data.ToArray();
parameter.HasDefaultValue = true;
}
return(parameter);
}
