public override void EnterUnaryExpr([NotNull] UnaryExprContext context)
{
Logger.Write("Unary operators are not handled properly.", LogType.Warning);
this.Result.Insert(new OperatorExpression(Result, context.prefix.Text, context));
context.expression().EnterRule(this);
this.Result.Insert(new ConstIntExpression(Parent, context, 0));
}
private ExprContext expr(int _p)
{
ParserRuleContext _parentctx = Context;
int _parentState = State;
ExprContext _localctx = new ExprContext(Context, _parentState);
ExprContext _prevctx = _localctx;
int _startState = 2;
EnterRecursionRule(_localctx, 2, RULE_expr, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 20;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case T__0:
{
_localctx = new ParensExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 8; Match(T__0);
State = 9; expr(0);
State = 10; Match(T__1);
}
break;
case OP_ADD:
case OP_SUB:
{
_localctx = new UnaryExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 12;
((UnaryExprContext)_localctx).op = TokenStream.LT(1);
_la = TokenStream.LA(1);
if (!(_la == OP_ADD || _la == OP_SUB))
{
((UnaryExprContext)_localctx).op = ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 13; expr(6);
}
break;
case ID:
{
_localctx = new FuncExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 14; ((FuncExprContext)_localctx).func = Match(ID);
State = 15; Match(T__0);
State = 16; expr(0);
State = 17; Match(T__1);
}
break;
case NUM:
{
_localctx = new NumberExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 19; ((NumberExprContext)_localctx).value = Match(NUM);
}
break;
default:
throw new NoViableAltException(this);
}
Context.Stop = TokenStream.LT(-1);
State = 33;
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 = 31;
ErrorHandler.Sync(this);
switch (Interpreter.AdaptivePredict(TokenStream, 1, Context))
{
case 1:
{
_localctx = new InfixExprContext(new ExprContext(_parentctx, _parentState));
((InfixExprContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 22;
if (!(Precpred(Context, 5)))
{
throw new FailedPredicateException(this, "Precpred(Context, 5)");
}
State = 23; ((InfixExprContext)_localctx).op = Match(OP_POW);
State = 24; ((InfixExprContext)_localctx).right = expr(5);
}
break;
case 2:
{
_localctx = new InfixExprContext(new ExprContext(_parentctx, _parentState));
((InfixExprContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 25;
if (!(Precpred(Context, 4)))
{
throw new FailedPredicateException(this, "Precpred(Context, 4)");
}
State = 26;
((InfixExprContext)_localctx).op = TokenStream.LT(1);
_la = TokenStream.LA(1);
if (!(_la == OP_MUL || _la == OP_DIV))
{
((InfixExprContext)_localctx).op = ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 27; ((InfixExprContext)_localctx).right = expr(5);
}
break;
case 3:
{
_localctx = new InfixExprContext(new ExprContext(_parentctx, _parentState));
((InfixExprContext)_localctx).left = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 28;
if (!(Precpred(Context, 3)))
{
throw new FailedPredicateException(this, "Precpred(Context, 3)");
}
State = 29;
((InfixExprContext)_localctx).op = TokenStream.LT(1);
_la = TokenStream.LA(1);
if (!(_la == OP_ADD || _la == OP_SUB))
{
((InfixExprContext)_localctx).op = ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 30; ((InfixExprContext)_localctx).right = expr(4);
}
break;
}
}
}
State = 35;
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);
}
public UnaryExprContext unaryExpr() {
UnaryExprContext _localctx = new UnaryExprContext(_ctx, State);
EnterRule(_localctx, 24, RULE_unaryExpr);
int _la;
try {
State = 243;
switch (_input.La(1)) {
case T__7:
case T__1:
EnterOuterAlt(_localctx, 1);
{
State = 228;
_la = _input.La(1);
if ( !(_la==T__7 || _la==T__1) ) {
_errHandler.RecoverInline(this);
}
Consume();
State = 229; _localctx._primaryExpr = primaryExpr();
_localctx.retValue = new UnaryExpression(UnaryExpressionType.Not, _localctx._primaryExpr.retValue);
}
break;
case T__10:
EnterOuterAlt(_localctx, 2);
{
State = 232; Match(T__10);
State = 233; _localctx._primaryExpr = primaryExpr();
_localctx.retValue = new UnaryExpression(UnaryExpressionType.BitwiseNot, _localctx._primaryExpr.retValue);
}
break;
case T__0:
EnterOuterAlt(_localctx, 3);
{
State = 236; Match(T__0);
State = 237; _localctx._primaryExpr = primaryExpr();
_localctx.retValue = new UnaryExpression(UnaryExpressionType.Negate, _localctx._primaryExpr.retValue);
}
break;
case T__18:
case TRUE:
case FALSE:
case NAME:
case INTEGER:
case DATETIME:
case VAR:
case FLOAT:
case STRING:
EnterOuterAlt(_localctx, 4);
{
State = 240; _localctx._primaryExpr = primaryExpr();
_localctx.retValue = _localctx._primaryExpr.retValue;
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
ExitRule();
}
return _localctx;
}
