public static void Parse(string src, Action <sphereScript99Parser> parserAction)
{
AntlrInputStream inputStream = new AntlrInputStream(src);
sphereScript99Lexer lexer = new sphereScript99Lexer(inputStream);
CommonTokenStream tokenStream = new CommonTokenStream(lexer);
sphereScript99Parser parser = new sphereScript99Parser(tokenStream);
FailTestErrorListener errorListener = new FailTestErrorListener();
parser.AddErrorListener(errorListener);
parserAction(parser);
}
private ParsingResult <T> Parse <T>(string src, Func <sphereScript99Parser, T> parseAction)
where T : IParseTree
{
var inputStream = new AntlrInputStream(src);
var lexer = new sphereScript99Lexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new sphereScript99Parser(tokenStream);
var errorListener = new MemoryErrorListener();
parser.AddErrorListener(errorListener);
var result = parseAction(parser);
return(new ParsingResult <T>(result, errorListener.Errors));
}
protected void Parse(string src, Action <sphereScript99Parser> parserAction)
{
try
{
AntlrInputStream inputStream = new AntlrInputStream(src);
var lexer = new sphereScript99Lexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new sphereScript99Parser(tokenStream);
var errorListener = new FailTestErrorListener();
parser.AddErrorListener(errorListener);
parserAction(parser);
if (parser.InputStream.Index + 1 < parser.InputStream.Size)
{
Assert.Fail($"Input stream not fully parsed index: {parser.InputStream.Index}, size: {parser.InputStream.Size}");
}
}
catch (Exception ex)
{
Assert.Fail($"Testing '{src.Substring(0, Math.Min(src.Length, 40))}'\n\nMessage: {ex.Message}\n\n{ex}");
}
}
private void RoundtripFile(string inputFileName, string outputFileName)
{
if (inputFileName.Equals(outputFileName, StringComparison.OrdinalIgnoreCase))
{
throw new CommandLineException("Cannot parse and write to the same file.");
}
var inputStream = new AntlrInputStream(File.OpenRead(inputFileName));
var lexer = new sphereScript99Lexer(inputStream);
var tokenStream = new CommonTokenStream(lexer);
var parser = new sphereScript99Parser(tokenStream);
parser.AddErrorListener(new ConsoleErrorListener());
System.Console.WriteLine($"Parsing {inputFileName}");
var file = parser.file();
System.Console.WriteLine($"Writing {outputFileName}");
var generator = new RoundtripGenerator();
generator.Visit(file);
File.WriteAllText(outputFileName, generator.Output);
}
