1 /* 2 This file is part of GNU APL, a free implementation of the 3 ISO/IEC Standard 13751, "Programming Language APL, Extended" 4 5 Copyright (C) 2008-2016 Dr. Jürgen Sauermann 6 7 This program is free software: you can redistribute it and/or modify 8 it under the terms of the GNU General Public License as published by 9 the Free Software Foundation, either version 3 of the License, or 10 (at your option) any later version. 11 12 This program is distributed in the hope that it will be useful, 13 but WITHOUT ANY WARRANTY; without even the implied warranty of 14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program. If not, see <http://www.gnu.org/licenses/>. 19 */ 20 21 #ifndef __Quad_SQL_HH_DEFINED__ 22 #define __Quad_SQL_HH_DEFINED__ 23 24 #include "QuadFunction.hh" 25 #include "Value.hh" 26 27 //----------------------------------------------------------------------------- 28 /** 29 The system function ⎕SQL 30 */ 31 /// The class implementing ⎕SQL 32 class Quad_SQL : public QuadFunction 33 { 34 public: 35 /// Constructor. 36 Quad_SQL(); 37 38 /// Destructor 39 ~Quad_SQL(); 40 41 static Quad_SQL * fun; ///< Built-in function. 42 static Quad_SQL _fun; ///< Built-in function. 43 44 protected: 45 /// overloaded Function::eval_AB(). 46 Token eval_AB(const Value_P A, const Value_P B); 47 48 /// overloaded Function::eval_AXB(). 49 Token eval_AXB(const Value_P A, const Value_P X, const Value_P B); 50 51 /// overloaded Function::eval_B(). 52 Token eval_B(Value_P B); 53 54 /// overloaded Function::eval_XB(). 55 Token eval_XB(Value_P X, Value_P B); 56 57 // virtual Token eval_AB(Value_P A, Value_P B); 58 59 }; 60 //----------------------------------------------------------------------------- 61 62 #endif // __Quad_SQL_HH_DEFINED__ 63 64 65