public AddExprContext addExpr()
{
AddExprContext _localctx = new AddExprContext(_ctx, State);
EnterRule(_localctx, 12, RULE_addExpr);
int _la;
try {
EnterOuterAlt(_localctx, 1);
{
State = 76; multExpr();
State = 81;
_errHandler.Sync(this);
_la = _input.La(1);
while (_la == PLUS || _la == MINUS)
{
{
{
State = 77;
_la = _input.La(1);
if (!(_la == PLUS || _la == MINUS))
{
_errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 78; multExpr();
}
}
State = 83;
_errHandler.Sync(this);
_la = _input.La(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
ExitRule();
}
return(_localctx);
}
public AddExprContext addExpr()
{
AddExprContext _localctx = new AddExprContext(Context, State);
EnterRule(_localctx, 12, RULE_addExpr);
int _la;
try {
EnterOuterAlt(_localctx, 1);
{
State = 76; multExpr();
State = 81;
ErrorHandler.Sync(this);
_la = TokenStream.LA(1);
while (_la == PLUS || _la == MINUS)
{
{
{
State = 77;
_la = TokenStream.LA(1);
if (!(_la == PLUS || _la == MINUS))
{
ErrorHandler.RecoverInline(this);
}
else
{
ErrorHandler.ReportMatch(this);
Consume();
}
State = 78; multExpr();
}
}
State = 83;
ErrorHandler.Sync(this);
_la = TokenStream.LA(1);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
ErrorHandler.ReportError(this, re);
ErrorHandler.Recover(this, re);
}
finally {
ExitRule();
}
return(_localctx);
}
private AddExprContext addExpr(int _p) {
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
AddExprContext _localctx = new AddExprContext(_ctx, _parentState);
AddExprContext _prevctx = _localctx;
int _startState = 20;
EnterRecursionRule(_localctx, 20, RULE_addExpr, _p);
try {
int _alt;
EnterOuterAlt(_localctx, 1);
{
{
State = 186; _localctx._multExpr = multExpr(0);
_localctx.retValue = _localctx._multExpr.retValue;
}
_ctx.stop = _input.Lt(-1);
State = 201;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input,13,_ctx);
while ( _alt!=2 && _alt!=global::Antlr4.Runtime.Atn.ATN.InvalidAltNumber ) {
if ( _alt==1 ) {
if ( _parseListeners!=null ) TriggerExitRuleEvent();
_prevctx = _localctx;
{
State = 199;
switch ( Interpreter.AdaptivePredict(_input,12,_ctx) ) {
case 1:
{
_localctx = new AddExprContext(_parentctx, _parentState);
_localctx.first = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_addExpr);
State = 189;
if (!(Precpred(_ctx, 3))) throw new FailedPredicateException(this, "Precpred(_ctx, 3)");
State = 190; Match(T__2);
State = 191; _localctx._multExpr = multExpr(0);
_localctx.retValue = new BinaryExpression(BinaryExpressionType.Plus, _localctx.first.retValue, _localctx._multExpr.retValue);
}
break;
case 2:
{
_localctx = new AddExprContext(_parentctx, _parentState);
_localctx.first = _prevctx;
PushNewRecursionContext(_localctx, _startState, RULE_addExpr);
State = 194;
if (!(Precpred(_ctx, 2))) throw new FailedPredicateException(this, "Precpred(_ctx, 2)");
State = 195; Match(T__0);
State = 196; _localctx._multExpr = multExpr(0);
_localctx.retValue = new BinaryExpression(BinaryExpressionType.Minus, _localctx.first.retValue, _localctx._multExpr.retValue);
}
break;
}
}
}
State = 203;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input,13,_ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return _localctx;
}
private bool addExpr_sempred(AddExprContext _localctx, int predIndex) {
switch (predIndex) {
case 13: return Precpred(_ctx, 3);
case 14: return Precpred(_ctx, 2);
}
return true;
}
private ExprContext expr(int _p)
{
ParserRuleContext _parentctx = _ctx;
int _parentState = State;
ExprContext _localctx = new ExprContext(_ctx, _parentState);
ExprContext _prevctx = _localctx;
int _startState = 4;
EnterRecursionRule(_localctx, 4, 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 = 23; Match(INT);
}
break;
case ID:
{
_localctx = new IdentContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 24; Match(ID);
}
break;
case T__2:
{
_localctx = new ParensContext(_localctx);
_ctx = _localctx;
_prevctx = _localctx;
State = 25; Match(T__2);
State = 26; expr(0);
State = 27; Match(T__3);
}
break;
default:
throw new NoViableAltException(this);
}
_ctx.stop = _input.Lt(-1);
State = 39;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 4, _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, 3, _ctx))
{
case 1:
{
_localctx = new MultExprContext(new ExprContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 31;
if (!(Precpred(_ctx, 5)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 5)");
}
State = 32;
((MultExprContext)_localctx).op = _input.Lt(1);
_la = _input.La(1);
if (!(_la == MUL || _la == DIV))
{
((MultExprContext)_localctx).op = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 33; expr(6);
}
break;
case 2:
{
_localctx = new AddExprContext(new ExprContext(_parentctx, _parentState));
PushNewRecursionContext(_localctx, _startState, RULE_expr);
State = 34;
if (!(Precpred(_ctx, 4)))
{
throw new FailedPredicateException(this, "Precpred(_ctx, 4)");
}
State = 35;
((AddExprContext)_localctx).op = _input.Lt(1);
_la = _input.La(1);
if (!(_la == ADD || _la == SUB))
{
((AddExprContext)_localctx).op = _errHandler.RecoverInline(this);
}
else
{
if (_input.La(1) == TokenConstants.Eof)
{
matchedEOF = true;
}
_errHandler.ReportMatch(this);
Consume();
}
State = 36; expr(5);
}
break;
}
}
}
State = 41;
_errHandler.Sync(this);
_alt = Interpreter.AdaptivePredict(_input, 4, _ctx);
}
}
}
catch (RecognitionException re) {
_localctx.exception = re;
_errHandler.ReportError(this, re);
_errHandler.Recover(this, re);
}
finally {
UnrollRecursionContexts(_parentctx);
}
return(_localctx);
}