IEnumerable <SourceLine> Preprocess(string fileName, string source)
{
source = source.Replace("\r", string.Empty); // remove Windows CR
source = ProcessComments(fileName, source);
var uncommented = LexerParser.Parse(fileName, source);
// process older .comment/.endcomments
var lineIterator = uncommented.GetIterator();
SourceLine line;
while ((line = lineIterator.Skip(l => !l.InstructionName.Equals(".comment"))) != null)
{
Assembler.Log.LogEntry(line, line.Instruction,
"Directive \".comment\" is deprecated. Consider using '/*' for comment blocks instead.", false);
line.Reset();
while ((line = lineIterator.GetNext()) != null && !line.InstructionName.Equals(".endcomment"))
{
line.Reset();
}
if (line == null)
{
throw new Exception("Missing closing \".endcomment\" for \".comment\" directive.");
}
line.Reset();
}
return(ProcessMacros(uncommented));
}
void SetOptionsFromConfig(string configFile)
{
try
{
string json = File.ReadAllText(configFile).Replace("\r", string.Empty);
var tokens = LexerParser.TokenizeJson(json);
if (tokens.Children.Count != 1 || !tokens.Children[0].Name.Equals("{"))
{
throw new Exception("Invalid configuration file.");
}
SetChildOptionsFromConfig("/", tokens.Children[0]);
}
catch (FileNotFoundException)
{
Console.Error.WriteLine($"Config file \"{configFile}\" not found.");
}
}