public GqlExtTree execute( Object... params ) {
try {
CommonTreeNodeStream nodes = new CommonTreeNodeStream( tree );
nodes.setTokenStream( tokenStream );
GqlExtTree treeParser = new GqlExtTree( nodes );
treeParser.gqlext( ds, params );
return treeParser;
}
catch (RecognitionException e) {
log.error("execute(): " + formatError( gql, e ), e);