protected AstNode GetAstNodesFromInput(string input)
{
var charStream = new AntlrInputStream(input);
var lexer = new QlLexer(charStream);
var parser = new QlParser(new CommonTokenStream(lexer));
var visitor = new AstCreator();
return(visitor.Visit(parser.form()));
}
public FormStatement BuildAst()
{
var dataStream = new AntlrInputStream(this.InputData);
var lexer = new QlLexer(dataStream);
var parser = new QlParser(new CommonTokenStream(lexer));
var astCreator = new AstCreator();
var astTree = astCreator.Visit(parser.form());
Console.WriteLine("Ql AST building done!");
return(astTree.As <FormStatement>());
}
public string Should_parse(string query)
{
var input = new AntlrInputStream(query);
var lexer = new QlLexer(input);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new QlParser(commonTokenStream);
parser.AddErrorListener(new QlErrorListener());
parser.BuildParseTree = true;
IParseTree tree = parser.parse();
var lis = new QlVisitor();
return(lis.Visit(tree).ToString());
}
private DomainId <T> BuildAstTree <T>(string definition) where T : IAstNode
{
var stream = new AntlrInputStream(definition);
var lexer = new QlLexer(stream);
lexer.RemoveErrorListeners();
lexer.AddErrorListener(new QlErrorListener());
var tokens = new CommonTokenStream(lexer);
var parser = new QlParser(tokens);
parser.RemoveErrorListeners();
parser.AddErrorListener(new QlErrorListener());
var tree = parser.questionnaire();
var qlVisitor = new BuildAstVisitor(m_astFactory, m_domainItemLocator);
return(qlVisitor.Visit(tree).To <T>(m_domainItemLocator));
}
public IRecordSet Execute(string query, QlParameter[] parameters)
{
var input = new AntlrInputStream(query);
var lexer = new QlLexer(input);
var commonTokenStream = new CommonTokenStream(lexer);
var parser = new QlParser(commonTokenStream);
parser.AddErrorListener(new QlErrorListener());
parser.BuildParseTree = true;
IParseTree tree = parser.parse();
var lis = new QlVisitor();
var expr = lis.Visit(tree);
var evalVis = new ExpressionEvaluatorVisitor(_journal, _tx, parameters);
var res = evalVis.Visit(expr);
IRecordSet records = new RecordSet(res.Build().Rowids, _tx, _journal.Metadata);
if (res.Columns != null)
{
records = records.Map(res.Columns);
}
return(records);
}
