public override Symbol VisitBooleanExpression([NotNull] BooleanExpressionContext context)
{
var first = context.left.Accept(this);
var second = context.right.Accept(this);
var logicalOperator = context.booleanOperator().GetText();
seleniumLogger.Log($"Evaluating {first} {logicalOperator} {second}", SeleniumScriptLogLevel.InterpreterDetails);
switch (logicalOperator)
{
case "==": return(new Symbol(string.Empty, ReturnType.Bool, first.AsString.Equals(second.AsString)));
case "!=": return(new Symbol(string.Empty, ReturnType.Bool, !first.AsString.Equals(second.AsString)));
case ">": return(new Symbol(string.Empty, ReturnType.Bool, first.AsInt > second.AsInt));
case "<": return(new Symbol(string.Empty, ReturnType.Bool, first.AsInt < second.AsInt));
case ">=": return(new Symbol(string.Empty, ReturnType.Bool, first.AsInt >= second.AsInt));
case "<=": return(new Symbol(string.Empty, ReturnType.Bool, first.AsInt <= second.AsInt));
}
throw new SeleniumScriptVisitorException("Logical operator could not be parsed");
}
private ExpressionContext expression(int _p) {
ParserRuleContext _parentctx = Context;
int _parentState = State;
ExpressionContext _localctx = new ExpressionContext(Context, _parentState);
ExpressionContext _prevctx = _localctx;
int _startState = 2;
EnterRecursionRule(_localctx, 2, RULE_expression, _p);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 34;
ErrorHandler.Sync(this);
switch ( Interpreter.AdaptivePredict(TokenStream,0,Context) ) {
case 1:
{
_localctx = new ParentExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 16; Match(LPAREN);
State = 17; expression(0);
State = 18; Match(RPAREN);
}
break;
case 2:
{
_localctx = new NotExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 20; Match(NOT);
State = 21; expression(5);
}
break;
case 3:
{
_localctx = new PropertyExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 22; ((PropertyExpressionContext)_localctx).left = subjectproperty();
State = 23; ((PropertyExpressionContext)_localctx).op = Match(IS);
State = 24; ((PropertyExpressionContext)_localctx).right = Match(TEXT);
}
break;
case 4:
{
_localctx = new SubjectExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 26; ((SubjectExpressionContext)_localctx).left = subject();
State = 27; ((SubjectExpressionContext)_localctx).op = Match(IS);
State = 28; ((SubjectExpressionContext)_localctx).right = Match(TEXT);
}
break;
case 5:
{
_localctx = new FlowExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 30; ((FlowExpressionContext)_localctx).left = Match(FLOW);
State = 31; ((FlowExpressionContext)_localctx).op = @operator();
State = 32; ((FlowExpressionContext)_localctx).right = Match(TEXT);
}
break;
}
Context.Stop = TokenStream.LT(-1);
State = 42;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream,1,Context);
while ( _alt!=2 && _alt!=global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER ) {
if ( _alt==1 ) {
if ( ParseListeners!=null )
TriggerExitRuleEvent();
_prevctx = _localctx;
{
{
_localctx = new BooleanExpressionContext(new ExpressionContext(_parentctx, _parentState));
((BooleanExpressionContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 36;
if (!(Precpred(Context, 4))) throw new FailedPredicateException(this, "Precpred(Context, 4)");
State = 37; ((BooleanExpressionContext)_localctx).op = boolean();
State = 38; ((BooleanExpressionContext)_localctx).right = expression(5);
}
}
}
State = 44;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream,1,Context);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return _localctx;
}
