public override GrammarParseResult VisitNumberExpr(NumberExprContext context)
{
if (context == null)
{
return(GrammarParseResult.Unsuccessful(context.GetText()));
}
Debug.WriteLine($"VisitNumberExpr \"{context.GetText()}\"");
int value = int.Parse(context.GetText());
return(new GrammarParseResult(context.GetText())
{
Value = value
});
}
private ExpressionContext expression(int _p)
{
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
ExpressionContext _localctx = new ExpressionContext(_ctx, _parentState);
ExpressionContext _prevctx = _localctx;
int _startState = 2;
EnterRecursionRule(_localctx, 2, RULE_expression, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 21;
_errHandler.Sync(this);
switch (_input.La(1))
{
case LPAREN:
{
_localctx = new ParenthesizedExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 8; Match(LPAREN);
State = 9; expression(0);
State = 10; Match(RPAREN);
}
break;
case MIN:
case MAX:
{
_localctx = new MinMaxExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 12;
((MinMaxExprContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MIN || _la == MAX))
{
((MinMaxExprContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 13; Match(LPAREN);
State = 14; expression(0);
State = 15; Match(DESP);
State = 16; expression(0);
State = 17; Match(RPAREN);
}
break;
case NUMBER:
{
_localctx = new NumberExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 19; Match(NUMBER);
}
break;
case IDENTIFIER:
{
_localctx = new IdentifierExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 20; Match(IDENTIFIER);
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.Lt(-1);
State = 34;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 2, _ctx);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber)
{
if (_alt == 1)
{
if (_parseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 32;
_errHandler.Sync(this);
switch (Interpreter.AdaptivePredict(_input, 1, _ctx))
{
case 1:
{
_localctx = new MultiplicativeExprContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 23;
if (!(Precpred(_ctx, 5)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 5)");
}
State = 24;
((MultiplicativeExprContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MULTIPLY || _la == DIVIDE))
{
((MultiplicativeExprContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 25; expression(6);
}
break;
case 2:
{
_localctx = new ModDivContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 26;
if (!(Precpred(_ctx, 4)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 4)");
}
State = 27;
((ModDivContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MOD || _la == DIV))
{
((ModDivContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 28; expression(5);
}
break;
case 3:
{
_localctx = new AdditiveExprContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 29;
if (!(Precpred(_ctx, 3)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 3)");
}
State = 30;
((AdditiveExprContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == SUBTRACT || _la == ADD))
{
((AdditiveExprContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 31; expression(4);
}
break;
}
}
}
State = 36;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 2, _ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
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);
}
private ExpressionContext expression(int _p)
{
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
ExpressionContext _localctx = new ExpressionContext(_ctx, _parentState);
ExpressionContext _prevctx = _localctx;
int _startState = 2;
EnterRecursionRule(_localctx, 2, RULE_expression, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 13;
switch (_input.La(1))
{
case LPAREN:
{
_localctx = new ParenthesizedExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 8; Match(LPAREN);
State = 9; expression(0);
State = 10; Match(RPAREN);
}
break;
case NUMBER:
{
_localctx = new NumberExprContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 12; Match(NUMBER);
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.Lt(-1);
State = 26;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 2, _ctx);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber)
{
if (_alt == 1)
{
if (_parseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 24;
switch (Interpreter.AdaptivePredict(_input, 1, _ctx))
{
case 1:
{
_localctx = new ExponentialExprContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 15;
if (!(Precpred(_ctx, 4)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 4)");
}
State = 16; Match(EXPONENT);
State = 17; expression(5);
}
break;
case 2:
{
_localctx = new MultiplicativeExprContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 18;
if (!(Precpred(_ctx, 3)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 3)");
}
State = 19;
((MultiplicativeExprContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MULTIPLY || _la == DIVIDE))
{
((MultiplicativeExprContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
Consume();
State = 20; expression(4);
}
break;
case 3:
{
_localctx = new AdditiveExprContext(new ExpressionContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 21;
if (!(Precpred(_ctx, 2)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 2)");
}
State = 22;
((AdditiveExprContext)_localctx).operatorToken = _input.Lt(1);
_la = _input.La(1);
if (!(_la == SUBTRACT || _la == ADD))
{
((AdditiveExprContext)_localctx).operatorToken = _errHandler.RecoverInline(this);
}
Consume();
State = 23; expression(3);
}
break;
}
}
}
State = 28;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 2, _ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
private ExpressionContext expression(int _p)
{
ParserRuleContext _parentctx = Context;
int _parentState = State;
ExpressionContext _localctx = new ExpressionContext(Context, _parentState);
ExpressionContext _prevctx = _localctx;
int _startState = 6;
EnterRecursionRule(_localctx, 6, RULE_expression, _p);
int _la;
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
State = 55;
ErrorHandler.Sync(this);
switch (TokenStream.LA(1))
{
case SUBTRACT:
{
_localctx = new UnaryMinusExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 40; Match(SUBTRACT);
State = 41; expression(8);
}
break;
case DICE:
case ADVANTAGE:
case DISADVANTAGE:
{
_localctx = new ModifierRollContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 45;
ErrorHandler.Sync(this);
_la = TokenStream.LA(1);
while (_la == ADVANTAGE || _la == DISADVANTAGE)
{
{
{
State = 42;
_la = TokenStream.LA(1);
if (!(_la == ADVANTAGE || _la == DISADVANTAGE))
{
ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
}
}
State = 47;
ErrorHandler.Sync(this);
_la = TokenStream.LA(1);
}
State = 48; Match(DICE);
State = 49; ((ModifierRollContext)_localctx).sides = expression(7);
}
break;
case L_PAREN:
{
_localctx = new ParenExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 50; Match(L_PAREN);
State = 51; expression(0);
State = 52; Match(R_PAREN);
}
break;
case INTEGER:
{
_localctx = new NumberExprContext(_localctx);
Context = _localctx;
_prevctx = _localctx;
State = 54; Match(INTEGER);
}
break;
default:
throw new NoViableAltException(this);
}
Context.Stop = TokenStream.LT(-1);
State = 71;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 8, Context);
while (_alt != 2 && _alt != global::Antlr4.Runtime.Atn.ATN.INVALID_ALT_NUMBER)
{
if (_alt == 1)
{
if (ParseListeners != null)
{
TriggerExitRuleEvent();
}
_prevctx = _localctx;
{
State = 69;
ErrorHandler.Sync(this);
switch (Interpreter.AdaptivePredict(TokenStream, 7, Context))
{
case 1:
{
_localctx = new SumRollContext(new ExpressionContext(_parentctx, _parentState));
((SumRollContext)_localctx).num = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 57;
if (!(Precpred(Context, 6)))
{
throw new FailedPredicateException(this, "Precpred(Context, 6)");
}
State = 58; Match(DICE);
State = 59; ((SumRollContext)_localctx).sides = expression(7);
}
break;
case 2:
{
_localctx = new PowExprContext(new ExpressionContext(_parentctx, _parentState));
((PowExprContext)_localctx).lhs = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 60;
if (!(Precpred(Context, 5)))
{
throw new FailedPredicateException(this, "Precpred(Context, 5)");
}
State = 61; ((PowExprContext)_localctx).op = Match(POW);
State = 62; ((PowExprContext)_localctx).rhs = expression(5);
}
break;
case 3:
{
_localctx = new MultiplicationExprContext(new ExpressionContext(_parentctx, _parentState));
((MultiplicationExprContext)_localctx).lhs = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 63;
if (!(Precpred(Context, 4)))
{
throw new FailedPredicateException(this, "Precpred(Context, 4)");
}
State = 64;
((MultiplicationExprContext)_localctx).op = TokenStream.LT(1);
_la = TokenStream.LA(1);
if (!((((_la) & ~0x3f) == 0 && ((1L << _la) & ((1L << MULTIPLY) | (1L << DIVIDE) | (1L << MOD))) != 0)))
{
((MultiplicationExprContext)_localctx).op = ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 65; ((MultiplicationExprContext)_localctx).rhs = expression(5);
}
break;
case 4:
{
_localctx = new AdditiveExprContext(new ExpressionContext(_parentctx, _parentState));
((AdditiveExprContext)_localctx).lhs = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_expression);
State = 66;
if (!(Precpred(Context, 3)))
{
throw new FailedPredicateException(this, "Precpred(Context, 3)");
}
State = 67;
((AdditiveExprContext)_localctx).op = TokenStream.LT(1);
_la = TokenStream.LA(1);
if (!(_la == ADD || _la == SUBTRACT))
{
((AdditiveExprContext)_localctx).op = ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 68; ((AdditiveExprContext)_localctx).rhs = expression(4);
}
break;
}
}
}
State = 73;
ErrorHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(TokenStream, 8, Context);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}
