public ConditionCompiler(string expression)
{
var input = new AntlrInputStream(expression);
var lexer = new QueryLanguageLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new QueryLanguageParser(tokens);
var visitor = new LogicalExpressionVisitor();
_condition = visitor.Visit(parser.condition().LogicalExpression);
}
public List <string> GetQueries(string query)
{
var input = new AntlrInputStream(query);
var lexer = new QueryLanguageLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new QueryLanguageParser(tokens);
IParseTree tree = parser.queryChain();
var walker = new ParseTreeWalker();
var listener = new QueryLanguageSepartionListener();
walker.Walk(listener, tree);
return(listener.QueryList);
}
public ConditionCompiler(string expression)
{
var input = new AntlrInputStream(expression);
var lexer = new QueryLanguageLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new QueryLanguageParser(tokens);
var visitor = new LogicalExpressionVisitor();
OriginalExpression = expression;
Expression = visitor.Visit(parser.condition().LogicalExpression);
if (Expression == null)
{
throw new ArgumentException($"Given expression '{expression}' cannot be parsed.");
}
}
public SingleQuery Parse(string query)
{
var input = new AntlrInputStream(query);
var lexer = new QueryLanguageLexer(input);
var tokens = new CommonTokenStream(lexer);
var parser = new QueryLanguageParser(tokens);
IParseTree tree = parser.query();
var walker = new ParseTreeWalker();
var listener = new QueryLanguageListener();
walker.Walk(listener, tree);
return(listener.RootQuery);
}
