public QueryNode Parse(string queryString)
{
var lexer = new CypherLexer(new AntlrInputStream(queryString));
var tokens = new CommonTokenStream(lexer);
var parser = new CypherParser(tokens);
var visitor = new CypherVisitor(_logger);
var result = visitor.Visit(parser.oC_Cypher()) as QueryNode;
return(result);
}
public static Exception ValidateSyntax(this Query query)
{
var stream = CharStreams.fromString(query.Text);
var lexer = new CypherLexer(stream);
var tokens = new CommonTokenStream(lexer);
var parser = new CypherParser(tokens)
{
BuildParseTree = true,
TrimParseTree = true
};
var cypher = parser.oC_Cypher();
return(cypher.exception);
}
//函数
public GraphDataBase()
{
graph = new Graph();
parser = new CypherParser();
}
