public void parse(IDocument document){
try {
String source = document.get();
CharStream stream =
new NoCaseStringStream(source);
ToolSQLLexer lexer = new ToolSQLLexer(stream);
TokenStream tokens = new CommonTokenStream(lexer);
ForteParser parser = new ForteParser(tokens);
// parser.setErrorReporter(this);
parser.setTreeAdaptor(adaptor);
cursorDeclaration_return result = parser.cursorDeclaration();