1 //===- NullaryOp.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_NULLOP_H 10 #define MCLD_SCRIPT_NULLOP_H 11 12 #include <mcld/Script/Operator.h> 13 #include <cassert> 14 15 namespace mcld 16 { 17 18 class Operand; 19 class IntOperand; 20 class Module; 21 class TargetLDBackend; 22 23 /** \class NullaryOp 24 * \brief This class defines the interfaces to an nullary operator token. 25 */ 26 27 template<Operator::Type TYPE> 28 class NullaryOp : public Operator 29 { 30 private: 31 friend class Operator; 32 33 NullaryOp() 34 : Operator(Operator::NULLARY, TYPE) 35 {} 36 37 public: 38 ~NullaryOp() 39 {} 40 41 IntOperand* eval(const Module& pModule, const TargetLDBackend& pBackend); 42 43 void appendOperand(Operand* pOperand) 44 { 45 assert(0); 46 } 47 }; 48 49 template<> 50 IntOperand* NullaryOp<Operator::SIZEOF_HEADERS>::eval(const Module&, 51 const TargetLDBackend&); 52 template<> 53 IntOperand* NullaryOp<Operator::MAXPAGESIZE>::eval(const Module&, 54 const TargetLDBackend&); 55 56 template<> 57 IntOperand* NullaryOp<Operator::COMMONPAGESIZE>::eval(const Module&, 58 const TargetLDBackend&); 59 60 } // namespace of mcld 61 62 #endif 63
