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_NULLARYOP_H_ 10 #define MCLD_SCRIPT_NULLARYOP_H_ 11 12 #include "mcld/Script/Operator.h" 13 14 #include <cassert> 15 16 namespace mcld { 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 private: 30 friend class Operator; 31 32 NullaryOp() : Operator(Operator::NULLARY, TYPE) {} 33 34 public: 35 ~NullaryOp() {} 36 37 IntOperand* eval(const Module& pModule, const TargetLDBackend& pBackend); 38 39 void appendOperand(Operand* pOperand) { assert(0); } 40 }; 41 42 template <> 43 IntOperand* NullaryOp<Operator::SIZEOF_HEADERS>::eval(const Module&, 44 const TargetLDBackend&); 45 template <> 46 IntOperand* NullaryOp<Operator::MAXPAGESIZE>::eval(const Module&, 47 const TargetLDBackend&); 48 49 template <> 50 IntOperand* NullaryOp<Operator::COMMONPAGESIZE>::eval(const Module&, 51 const TargetLDBackend&); 52 53 } // namespace mcld 54 55 #endif // MCLD_SCRIPT_NULLARYOP_H_ 56
