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 14 #include <cstddef> 15 16 namespace mcld { 17 18 class IntOperand; 19 class Module; 20 class Operand; 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 private: 30 friend class Operator; 31 32 TernaryOp() : Operator(Operator::TERNARY, TYPE) { 33 m_pOperand[0] = m_pOperand[1] = m_pOperand[2] = NULL; 34 } 35 36 public: 37 ~TernaryOp() {} 38 39 IntOperand* eval(const Module& pModule, const TargetLDBackend& pBackend); 40 41 void appendOperand(Operand* pOperand) { 42 m_pOperand[m_Size++] = pOperand; 43 if (m_Size == 3) 44 m_Size = 0; 45 } 46 47 private: 48 size_t m_Size; 49 Operand* m_pOperand[3]; 50 }; 51 52 template <> 53 IntOperand* TernaryOp<Operator::TERNARY_IF>::eval(const Module&, 54 const TargetLDBackend&); 55 56 template <> 57 IntOperand* TernaryOp<Operator::DATA_SEGMENT_ALIGN>::eval( 58 const Module&, 59 const TargetLDBackend&); 60 61 } // namespace mcld 62 63 #endif // MCLD_SCRIPT_TERNARYOP_H_ 64
