public string ToString(ConstantTable ctab, Chunks.Fxlvm.Cli4Chunk cli)
{
var operands = string.Join(", ", Operands.Select(o => o.FormatOperand(ctab, cli)));
return(string.Format("{0} {1}",
Opcode.ToString().ToLowerInvariant(),
operands));
}
private string FormatComponent(ConstantTable ctab, Chunks.Fxlvm.Cli4Chunk cli, uint componentIndex, uint componentCount)
{
switch (componentCount)
{
case 1:
switch (componentIndex)
{
case 0:
return(".x");
case 1:
return(".y");
case 2:
return(".z");
case 3:
return(".w");
default:
return("");
}
case 2:
switch (componentIndex)
{
case 0:
return(".xy");
case 1:
return(".yz");
case 2:
return(".zw");
default:
return("");
}
case 3:
switch (componentIndex)
{
case 0:
return(".xyz");
case 1:
return(".yzw");
default:
return("");
}
default:
return("");
}
}
/// <summary>
/// Format operand for FX10 expressions
/// </summary>
/// <param name="ctab"></param>
/// <param name="cli"></param>
/// <returns></returns>
public string FormatOperand(ConstantTable ctab, Chunks.Fxlvm.Cli4Chunk cli)
{
if (IsArray == 0)
{
return(FormatOperand(ctab, cli, OpType, OpIndex));
}
else
{
return(string.Format("{0}[{1}]",
FormatOperand(ctab, cli, ArrayType, ArrayIndex),
FormatOperand(ctab, cli, OpType, OpIndex)));
}
}
private string FormatOperand(ConstantTable ctab, Chunks.Fxlvm.Cli4Chunk cli, FxlcOperandType type, uint index)
{
var elementIndex = index / 4;
var componentIndex = index % 4;
var component = FormatComponent(componentIndex, ComponentCount);
switch (type)
{
case FxlcOperandType.Literal:
return(string.Format("({0})", cli.GetLiteral(index, ComponentCount)));
case FxlcOperandType.Temp:
return(string.Format("r{0}{1}", elementIndex, component));
case FxlcOperandType.Variable:
return(string.Format("{0}{1}",
ctab.GetVariable(elementIndex), component));
case FxlcOperandType.Expr:
if (ComponentCount == 1)
{
if (componentIndex == 0)
{
return(string.Format("expr{0}", component));
}
else
{
return(string.Format("expr0{0}", component));
}
}
return(string.Format("expr{0}", component));
default:
return(string.Format("unknown{0}{1}", elementIndex, component));
}
}
