public static IEnumerable <FanucGCodeTextSpan> Tokenise(string testInput)
{
AntlrInputStream inputStream = new AntlrInputStream(testInput);
FanucGCodeLexer fanucLexer = new FanucGCodeLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(fanucLexer);
commonTokenStream.Fill();
var tokens = commonTokenStream.GetTokens();
return(tokens.Where(t => t.Type != FanucGCodeLexer.Eof).Select(t => new FanucGCodeTextSpan
{
StartPos = t.StartIndex,
Length = (t.StopIndex - t.StartIndex) + 1,
TokenType = (FanucGCodeTokenTypes)t.Type
}));
}
public List <FanucGCodeParseError> CheckSyntax(string gcodeContent, bool programContext = false)
{
AntlrInputStream inputStream = new AntlrInputStream(gcodeContent);
FanucGCodeLexer fanucLexer = new FanucGCodeLexer(inputStream);
CommonTokenStream commonTokenStream = new CommonTokenStream(fanucLexer);
FanucGCodeParser fanucParser = new FanucGCodeParser(commonTokenStream);
_parseErrors = new List <FanucGCodeParseError>();
fanucParser.RemoveErrorListeners();
fanucParser.AddErrorListener(this);
if (programContext)
{
// this line triggers the actual parse.
var progContext = fanucParser.program();
}
else
{
var blocksContext = fanucParser.programContent();
Debug.WriteLine($"Checking syntax of '{gcodeContent.Trim()}'");
Debug.WriteLine($"Which has parse tree:\n{blocksContext.ToStringTree(fanucParser)}");
}
/*FanucTargetVisitor visitor = new FanucTargetVisitor();
* visitor.Visit(progContext);
*
* Console.WriteLine(visitor.Output.ToString());
*/
foreach (var error in _parseErrors)
{
Debug.WriteLine(error.ToString());
}
return(_parseErrors);
}
