public static ASTNode parseFile(ANTLRStringStream inputStream) {
CommonTokenStream tokens = new CommonTokenStream();
RLexer lexer = new RLexer(inputStream);
tokens.setTokenSource(lexer);
RParser parser = new RParser(tokens);
try {
return parser.script();
} catch (RecognitionException e) {
Console.parseError(parser, e);
return null;
}
}
