public override object VisitStringExpression([NotNull] StringExpressionContext context)
{
var text = context.Text().GetText();
foreach (var item in context.stringExpressionElement())
{
text += " + " + Visit(item);
}
return(new Result {
data = str,
text = text,
});
}
public override SLValue VisitStringExpression(StringExpressionContext ctx)
{
String text = ctx.GetText();
text = text.Substring(1, text.Length - 2);
SLValue val = new SLValue(text);
if (ctx.indexes() != null)
{
List <ExpressionContext> exps = ctx.indexes().expression().ToList();
val = resolveIndexes(val, exps);
}
return(val);
}
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 = 24;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case LPAREN:
{
_localctx = new ParenExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 14; Match(LPAREN);
State = 15; expression(0);
State = 16; Match(RPAREN);
}
break;
case NOT:
{
_localctx = new NotExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 18; Match(NOT);
State = 19; expression(7);
}
break;
case TRUE:
case FALSE:
{
_localctx = new BoolExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 20; @bool();
}
break;
case IDENTIFIER:
{
_localctx = new IdentifierExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 21; Match(IDENTIFIER);
}
break;
case DECIMAL:
{
_localctx = new DecimalExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 22; Match(DECIMAL);
}
break;
case STRING:
{
_localctx = new StringExpressionContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 23; Match(STRING);
}
break;
default:
throw new NoViableAltException(this);
}
Context.Stop = TokenStream.LT(-1);
State = 36;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 2, Context);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER)
{
if (_alt == 1)
{
if (ParseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 34;
ErrorHandler.Sync(this);
switch (Interpreter.AdaptivePredict(TokenStream, 1, Context))
{
case 1:
{
_localctx = new ComparatorExpressionContext(new ExpressionContext(_parentctx, _parentState));
((ComparatorExpressionContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 26;
if (!(Precpred(Context, 6)))
{
throw new FailedPredicateException(this, "Precpred(Context, 6)");
}
State = 27; ((ComparatorExpressionContext)_localctx).op = comparator();
State = 28; ((ComparatorExpressionContext)_localctx).right = expression(7);
}
break;
case 2:
{
_localctx = new BinaryExpressionContext(new ExpressionContext(_parentctx, _parentState));
((BinaryExpressionContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 30;
if (!(Precpred(Context, 5)))
{
throw new FailedPredicateException(this, "Precpred(Context, 5)");
}
State = 31; ((BinaryExpressionContext)_localctx).op = binary();
State = 32; ((BinaryExpressionContext)_localctx).right = expression(6);
}
break;
}
}
}
State = 38;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 2, Context);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}