public UnaryMinusContext unaryMinus()
{
UnaryMinusContext _localctx = new UnaryMinusContext(Context, State);
EnterRule(_localctx, 10, RULE_unaryMinus);
try {
State = 66;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case MINUS:
_localctx = new ChangeSignContext(_localctx);
EnterOuterAlt(_localctx, 1);
{
State = 63; Match(MINUS);
State = 64; unaryMinus();
}
break;
case INT:
case DOUBLE:
case PI:
case E:
case ID:
case LPAR:
_localctx = new ToAtomContext(_localctx);
EnterOuterAlt(_localctx, 2);
{
State = 65; atom();
}
break;
default:
throw new NoViableAltException(this);
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
ExitRule();
}
return(_localctx);
}
private ExprContext expr(int _p)
{
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
ExprContext _localctx = new ExprContext(_ctx, _parentState);
ExprContext _prevctx = _localctx;
int _startState = 2;
EnterRecursionRule(_localctx, 2, RULE_expr, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 29;
_errHandler.Sync(this);
switch (_input.La(1))
{
case INT:
{
_localctx = new IntContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 10; Match(INT);
}
break;
case FLOAT:
{
_localctx = new FloatContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 11; Match(FLOAT);
}
break;
case T__0:
{
_localctx = new ParensContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 12; Match(T__0);
State = 13; expr(0);
State = 14; Match(T__1);
}
break;
case SUB:
{
_localctx = new UnaryMinusContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 16; Match(SUB);
State = 17; expr(2);
}
break;
case GAUSS:
{
_localctx = new GaussContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 18; Match(GAUSS);
State = 19; Match(T__0);
State = 20; expr(0);
State = 21; Match(T__2);
State = 22; expr(0);
State = 23; Match(T__2);
State = 24; expr(0);
State = 25; Match(T__2);
State = 26; expr(0);
State = 27; Match(T__1);
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.Lt(-1);
State = 39;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 3, _ctx);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber)
{
if (_alt == 1)
{
if (_parseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 37;
_errHandler.Sync(this);
switch (Interpreter.AdaptivePredict(_input, 2, _ctx))
{
case 1:
{
_localctx = new MulDivContext(new ExprContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 31;
if (!(Precpred(_ctx, 7)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 7)");
}
State = 32;
((MulDivContext)_localctx).op = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MUL || _la == DIV))
{
((MulDivContext)_localctx).op = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 33; expr(8);
}
break;
case 2:
{
_localctx = new AddSubContext(new ExprContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 34;
if (!(Precpred(_ctx, 6)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 6)");
}
State = 35;
((AddSubContext)_localctx).op = _input.Lt(1);
_la = _input.La(1);
if (!(_la == ADD || _la == SUB))
{
((AddSubContext)_localctx).op = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 36; expr(7);
}
break;
}
}
}
State = 41;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 3, _ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
public ChangeSignContext(UnaryMinusContext context)
{
CopyFrom(context);
}
public ToAtomContext(UnaryMinusContext context)
{
CopyFrom(context);
}
public virtual void CopyFrom(UnaryMinusContext context)
{
base.CopyFrom(context);
}
