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      1 //===- StrToken.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_STRTOKEN_H
     10 #define MCLD_SCRIPT_STRTOKEN_H
     11 
     12 #include <mcld/Support/Allocators.h>
     13 #include <mcld/Config/Config.h>
     14 #include <string>
     15 
     16 namespace mcld
     17 {
     18 
     19 /** \class StrToken
     20  *  \brief This class defines the interfaces to a element in EXCLUDE_FILE list
     21  *         or in Output Section Phdr, or be a base class of other str token.
     22  */
     23 
     24 class StrToken
     25 {
     26 public:
     27   enum Kind {
     28     Unknown,
     29     String,
     30     Input,
     31     Wildcard
     32   };
     33 
     34 private:
     35   friend class Chunk<StrToken, MCLD_SYMBOLS_PER_INPUT>;
     36 protected:
     37   StrToken();
     38   StrToken(Kind pKind, const std::string& pString);
     39 
     40 public:
     41   virtual ~StrToken();
     42 
     43   Kind kind() const { return m_Kind; }
     44 
     45   const std::string& name() const { return m_Name; }
     46 
     47   static bool classof(const StrToken* pToken)
     48   {
     49     return pToken->kind() == StrToken::String;
     50   }
     51 
     52   /* factory method */
     53   static StrToken* create(const std::string& pString);
     54   static void destroy(StrToken*& pToken);
     55   static void clear();
     56 
     57 private:
     58   Kind m_Kind;
     59   std::string m_Name;
     60 };
     61 
     62 } // namepsace of mcld
     63 
     64 #endif
     65