public IParseRootNode parse(IParseState parseState) throws Exception {
String source = new String(parseState.getSource());
GrammarScanner scanner = new GrammarScanner(new StringReader(source));
GrammarParser parser = new GrammarParser();
IParseRootNode result = null;
Object parseResult = parser.parse(scanner);
if (parseResult instanceof GrammarTreeRoot) {
GrammarTreeRoot grammarRoot = (GrammarTreeRoot) parseResult;
result = new BeaverParseRootNode(grammarRoot);
parseState.setParseResult(result);
}
return result;
}
