public override void ExitParentheses([NotNull] ParenthesesContext context)
{
base.ExitParentheses(context);
Log("ExitParentheses");
if (phase == Phase.Building)
{
symbolTableCreator.ExitParentheses(context);
}
else
{
symbolTableTraverser.ExitParentheses(context);
semanticErrorChecker.ExitParentheses(context);
}
}
private ExpressionContext expression(int _p)
{
ParserRuleContext _parentctx = Context;
int _parentState = State;
ExpressionContext _localctx = new ExpressionContext(Context, _parentState);
ExpressionContext _prevctx = _localctx;
int _startState = 4;
EnterRecursionRule(_localctx, 4, RULE_expression, _p);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 31;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case LBRACKET:
{
_localctx = new ParenthesesContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 24; Match(LBRACKET);
State = 25; expression(0);
State = 26; Match(RBRACKET);
}
break;
case LITERAL_NEGATION:
{
_localctx = new LiteralNegationContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 28; Match(LITERAL_NEGATION);
}
break;
case LITERAL:
{
_localctx = new LiteralContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 29; Match(LITERAL);
}
break;
case INVALID:
{
_localctx = new InvalidContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 30; Match(INVALID);
}
break;
default:
throw new NoViableAltException(this);
}
Context.Stop = TokenStream.LT(-1);
State = 44;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 3, Context);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER)
{
if (_alt == 1)
{
if (ParseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 42;
ErrorHandler.Sync(this);
switch (Interpreter.AdaptivePredict(TokenStream, 2, Context))
{
case 1:
{
_localctx = new ConjunctionContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 33;
if (!(Precpred(Context, 6)))
{
throw new FailedPredicateException(this, "Precpred(Context, 6)");
}
State = 34; Match(CONJUNCTION);
State = 35; expression(7);
}
break;
case 2:
{
_localctx = new DisjunctionContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 36;
if (!(Precpred(Context, 5)))
{
throw new FailedPredicateException(this, "Precpred(Context, 5)");
}
State = 37; Match(DISJUNCTION);
State = 38; expression(6);
}
break;
case 3:
{
_localctx = new ImplicationContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 39;
if (!(Precpred(Context, 4)))
{
throw new FailedPredicateException(this, "Precpred(Context, 4)");
}
State = 40; Match(IMPLICATION);
State = 41; expression(5);
}
break;
}
}
}
State = 46;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 3, Context);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
