void BuildTable([NotNull] ZilTable zt, [NotNull] ITableBuilder tb)
{
if ((zt.Flags & TableFlags.Lexv) != 0)
{
var values = new IOperand[zt.ElementCount];
zt.CopyTo(values, (zo, isWord) => CompileConstant(zo), Game.Zero, Context);
tb.AddByte((byte)(zt.ElementCount / 3));
tb.AddByte(0);
for (int i = 0; i < values.Length; i++)
{
if (i % 3 == 0)
{
tb.AddShort(values[i]);
}
else
{
tb.AddByte(values[i]);
}
}
}
else
{
var values = new TableElementOperand?[zt.ElementCount];
TableElementOperand?ConvertElement(ZilObject zo, bool isWord)
{
// it's usually a constant value
var constVal = CompileConstant(zo);
if (constVal != null)
{
return(new TableElementOperand(constVal, isWord));
}
// but we'll also allow a global name if the global contains a table
if (zo is ZilAtom atom && Globals.TryGetValue(atom, out var global) && global.DefaultValue is ITableBuilder)
{
return(new TableElementOperand(global.DefaultValue, isWord));
}
return(null);
}
var defaultFiller = new TableElementOperand(Game.Zero, null);
zt.CopyTo(values, ConvertElement, defaultFiller, Context);
for (int i = 0; i < values.Length; i++)
{
if (values[i] == null)
{
var rawElements = new ZilObject[zt.ElementCount];
zt.CopyTo(rawElements, (zo, isWord) => zo, null, Context);
Context.HandleError(new CompilerError(
zt.SourceLine,
CompilerMessages.Nonconstant_Initializer_For_0_1_2,
"table element",
i,
rawElements[i]));
values[i] = defaultFiller;
}
}
bool defaultWord = (zt.Flags & TableFlags.Byte) == 0;
for (int i = 0; i < values.Length; i++)
{
Debug.Assert(values[i] != null);
if (values[i].Value.IsWord ?? defaultWord)
{
tb.AddShort(values[i].Value.Operand);
}
else
{
tb.AddByte(values[i].Value.Operand);
}
}
}
}