private string OpToCode(BFOp op) => op switch
{
public static (IEnumerable <BFOp> operations, BFTranspilerOptions options) Parse(AdditionalText file)
{
List <BFOp> operations = new List <BFOp>();
BFTranspilerOptions options = new BFTranspilerOptions();
options.ClassName = Path.GetFileNameWithoutExtension(file.Path);
foreach (string line in file.GetText() !.Lines.Select(x => x.ToString()))
{
if (line.StartsWith("#", StringComparison.OrdinalIgnoreCase))
{
string[] split = line.Substring(1).Split(new char[] { ' ', '\t', '=' }, 2, StringSplitOptions.RemoveEmptyEntries);
if (split[0].Equals("memsize", StringComparison.OrdinalIgnoreCase) &&
split.Length == 2 &&
int.TryParse(split[1].Trim(), out int parsedBufferSize))
{
options.MemSize = parsedBufferSize;
}
if (split[0].Equals("memtype", StringComparison.OrdinalIgnoreCase) &&
split.Length == 2)
{
options.MemType = split[1].ToLowerInvariant().Trim();
}
if (split[0].Equals("eofvalue", StringComparison.OrdinalIgnoreCase) &&
split.Length == 2)
{
options.EoFValue = split[1].Trim();
}
if ((split[0].Equals("optimize", StringComparison.OrdinalIgnoreCase) ||
split[0].Equals("optimise", StringComparison.OrdinalIgnoreCase)) &&
(split.Length == 1 ||
(split.Length == 2 && bool.TryParse(split[1].Trim(), out bool shouldOptimize) &&
shouldOptimize)))
{
options.Optimize = true;
}
if (split[0].Equals("class", StringComparison.OrdinalIgnoreCase) &&
(split.Length == 1 ||
(split.Length == 2 && bool.TryParse(split[1].Trim(), out bool shouldBeClass) &&
shouldBeClass)))
{
options.Class = true;
}
if (split[0].Equals("classname", StringComparison.OrdinalIgnoreCase) &&
split.Length == 2)
{
options.ClassName = split[1].Trim();
}
if (split[0].Equals("namespace", StringComparison.OrdinalIgnoreCase) &&
split.Length == 2)
{
options.Namespace = split[1].Trim();
}
}
else
{
foreach (char c in line)
{
if (c == '#')
{
// Inline comment, skip the line
break;
}
else if (BFOpMap.ContainsKey(c))
{
BFOp op = BFOpMap[c];
operations.Add(op);
}
}
}
}
// Validate operations
if (operations.Any())
{
if (operations.Where(x => x == BFOp.Loop || x == BFOp.EndLoop).FirstOrDefault() == BFOp.EndLoop)
{
throw new Exception("Found loop end before start, check your []!");
}
if (operations.Count(x => x == BFOp.Loop) != operations.Count(x => x == BFOp.EndLoop))
{
throw new Exception("Unbalanced loop, did you miss a ]?");
}
}
// Validate options
options.ValidateWithExceptions();
return(operations, options);
}
