public final void exprList() throws RecognitionException
    {
        
        AST ast1 = null, ast2 = null;
        
        try {
            // CPP.g:486:3: ( expr exprListRest | )
            int alt26 = 2;
            int LA26_0 = this.input.LA(1);
            
            if ((((LA26_0 >= IDENTIFIER) && (LA26_0 <= FLOATING_POINT_LITERAL)) || (LA26_0 == 30) || (LA26_0 == 42)
                    || (LA26_0 == 44) || ((LA26_0 >= 80) && (LA26_0 <= 81)) || ((LA26_0 >= 84) && (LA26_0 <= 87)))) {
                alt26 = 1;
            }
            else if (((LA26_0 == EOF) || (LA26_0 == 23) || (LA26_0 == 43))) {
                alt26 = 2;
            }
            else {
                if (this.state.backtracking > 0) {
                    this.state.failed = true;
                    return;
                }
                NoViableAltException nvae = new NoViableAltException("", 26, 0, this.input);
                
                throw nvae;
            }
            switch (alt26)
            {
                case 1:
                    // CPP.g:486:5: expr exprListRest
                {
                    this.pushFollow(FOLLOW_expr_in_exprList1972);
                    this.expr();
                    
                    this.state._fsp--;
                    if (this.state.failed) {
                        return;
                    }
                    if (this.state.backtracking == 0) {
                        ast1 = this.out;
                        this.out = null;
                    }
                    this.pushFollow(FOLLOW_exprListRest_in_exprList1981);
                    this.exprListRest();
                    
                    this.state._fsp--;
                    if (this.state.failed) {
                        return;
                    }
                    if (this.state.backtracking == 0) {
                        ast2 = this.out;
                        this.out = null;
                    }
                    if (this.state.backtracking == 0) {
                        this.out = new ExprListAST((ExprAST) ast1, (ExprListAST) ast2);
                    }
                    
                }
                    break;
                case 2:
                    // CPP.g:489:5:
                {
                    if (this.state.backtracking == 0) {
                        this.out = new EmptyExprListAST();
                    }
                    
                }
                    break;
                
            }
        }
        catch (RecognitionException re) {
            this.reportError(re);
            this.recover(this.input, re);
        } finally {
        }
        return;
    }