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 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.");
}
}