MacroDefinition ReadDefinition(string line, StreamReader reader)
{
string[] opcodeData = line.Split(SplitCharacters, StringSplitOptions.RemoveEmptyEntries);
// Save definition name
string macroName = opcodeData[1];
var macroDefinition = new MacroDefinition(macroName);
macroDefinition.Read(reader, this.SymbolTable);
return(macroDefinition);
}
private void ProcessFile(string bldFilePath)
{
using FileStream stream = File.OpenRead(bldFilePath);
using StreamReader streamReader = new StreamReader(stream);
string currentLine;
do
{
currentLine = streamReader.ReadLine();
if (currentLine == null)
{
break;
}
currentLine = currentLine.Trim();
string[] tokens = currentLine.Split(SplitCharacters, StringSplitOptions.RemoveEmptyEntries);
if (currentLine.StartsWith(";") || !tokens.Any())
{
continue;
}
else if (tokens[0].Equals(MacroInstruction.MacroDefinitionStart, StringComparison.OrdinalIgnoreCase))
{
MacroDefinition macroDefinition = this.ReadDefinition(currentLine, streamReader);
this.MacroDefinitions.Add(macroDefinition);
}
else if (tokens[0].Equals(MacroInstruction.IncludeFile, StringComparison.OrdinalIgnoreCase))
{
string includeFile = tokens[1];
if (this.includedFiles.Contains(includeFile))
{
continue;
}
string directory = Directory.GetParent(bldFilePath).FullName;
string includeFilePath = Path.Combine(directory, includeFile);
if (string.IsNullOrEmpty(Path.GetExtension(includeFilePath)))
{
includeFilePath = includeFilePath + ".bld";
}
this.ProcessFile(includeFilePath);
}
else if (tokens[0].Equals(MacroInstruction.Define, StringComparison.OrdinalIgnoreCase))
{
if (int.TryParse(tokens[2], NumberStyles.Number, CultureInfo.InvariantCulture, out int symbolValue))
{
string groupName = KnownSymbolGroupNames.GetGroupName(tokens[1]);
if (groupName != null)
{
this.SymbolTable.AddSymbol(groupName, tokens[1], symbolValue);
}
}
else
{
logger.Warn($"Failed to parse symbol '{tokens[2]}'; only integer constants are supported");
}
}
} while (currentLine != null);
}