1 //===- TernaryOp.h --------------------------------------------------------===// 2 // 3 // The MCLinker Project 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 #ifndef MCLD_SCRIPT_TERNARYOP_H 10 #define MCLD_SCRIPT_TERNARYOP_H 11 12 #include <mcld/Script/Operator.h> 13 #include <cstddef> 14 15 namespace mcld 16 { 17 18 class Operand; 19 class IntOperand; 20 class Module; 21 class TargetLDBackend; 22 23 /** \class TernaryOP 24 * \brief This class defines the interfaces to an binary operator token. 25 */ 26 27 template<Operator::Type TYPE> 28 class TernaryOp : public Operator 29 { 30 private: 31 friend class Operator; 32 33 TernaryOp() 34 : Operator(Operator::TERNARY, TYPE) 35 { 36 m_pOperand[0] = m_pOperand[1] = m_pOperand[2] = NULL; 37 } 38 39 public: 40 ~TernaryOp() 41 {} 42 43 IntOperand* eval(const Module& pModule, const TargetLDBackend& pBackend); 44 45 void appendOperand(Operand* pOperand) 46 { 47 m_pOperand[m_Size++] = pOperand; 48 if (m_Size == 3) 49 m_Size = 0; 50 } 51 52 private: 53 size_t m_Size; 54 Operand* m_pOperand[3]; 55 }; 56 57 template<> 58 IntOperand* TernaryOp<Operator::TERNARY_IF>::eval(const Module&, 59 const TargetLDBackend&); 60 61 template<> 62 IntOperand* 63 TernaryOp<Operator::DATA_SEGMENT_ALIGN>::eval(const Module&, 64 const TargetLDBackend&); 65 66 } // namespace of mcld 67 68 #endif 69
