protected CtfParser GetParser(Stream inputStream)
{
var input = new AntlrInputStream(inputStream);
var lexer = new CtfLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new CtfParser(tokens);
TestErrorListener = new TestErrorListener();
parser.RemoveErrorListeners();
parser.AddErrorListener(TestErrorListener);
return(parser);
}
/// <summary>
/// Parse the CTF stream.
/// </summary>
/// <param name="metadataStream">Metadata stream</param>
/// <returns>Metadata parsed from the stream</returns>
public ICtfMetadata Parse(Stream metadataStream)
{
string metadata = this.GetMetadata(metadataStream);
this.parser = GetContext(metadata);
// Error listeners can be switched out for debugging purposes. Leaving these comments here for easy access.
//this.parser.RemoveErrorListeners();
//this.parser.AddErrorListener(new DebugErrorListener());
//this.parser.AddErrorListener(new DiagnosticErrorListener(false));
var fileContext = this.parser.file();
this.listener = new CtfListener(this.parser, this.metadataCustomization, this.metadataBuilder);
var treeWalker = new ParseTreeWalker();
treeWalker.Walk(this.listener, fileContext);
return(this.listener.GlobalScope);
}
