IAsmInstructionArg[] ParseInstructionArgs(string raw)
{
string[] tokens = raw.Split(InstructionArgsSeparator, StringSplitOptions.RemoveEmptyEntries);
IAsmInstructionArg[] args = new IAsmInstructionArg[tokens.Length];
for (int i = 0; i < tokens.Length; ++i)
{
string token = tokens[i];
if (token.Contains("["))
{
// It must be indirect addressing argument.
args[i] = new AsmInstructionIndirectAddressArg()
{
Unparsed = token
};
}
else
{
// Either register, constant or label.
if (long.TryParse(token, out long value))
{
args[i] = new AsmInstructionConstantArg()
{
Value = value
};
}
else
{
// Either register or label.
if (token.IndexOf(' ') != -1)
{
string[] split = token.Split(' ');
args[i] = new AsmInstructionLabelArg()
{
Prefix = split[0],
Name = split[1]
};
}
else
{
args[i] = new AsmInstructionRegisterArg()
{
Name = token
};
}
}
}
}
return(args);
}
Run CreateInstructionArg(IAsmInstructionArg arg)
{
Run run = null;
switch (arg.Type)
{
case InstructionArgType.Constant: {
AsmInstructionConstantArg constant = (AsmInstructionConstantArg)arg;
run = new Run(constant.Value.ToString())
{
Foreground = ConstantForeground
};
break;
}
case InstructionArgType.IndirectAddress: {
AsmInstructionIndirectAddressArg indirect = (AsmInstructionIndirectAddressArg)arg;
run = new Run(indirect.Unparsed)
{
Foreground = IndirectForeground
};
break;
}
case InstructionArgType.Register: {
AsmInstructionRegisterArg register = (AsmInstructionRegisterArg)arg;
run = new Run(register.Name)
{
Foreground = RegisterForeground
};
break;
}
case InstructionArgType.Label: {
AsmInstructionLabelArg label = (AsmInstructionLabelArg)arg;
run = new Run(label.Prefix + " " + label.Name)
{
Foreground = LabelArgForeground
};
break;
}
}
return(run);
}
