decl.hpp

来自「开放源码的编译器open watcom 1.6.0版的源代码」· HPP 代码 · 共 106 行

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*
*                            Open Watcom Project
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*  ========================================================================
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*    This file contains Original Code and/or Modifications of Original
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#ifndef _DECL_HPP
#define _DECL_HPP

extern "C" {
#include "brmtypes.h"
}
#include "hashtbl.hpp"
#include "pool.hpp"

/*  Turn off memory tracking to redefine "new" and "delete"
*/
#undef new
#undef delete


class CacheOutFile;
class CacheInFile;
class ScopeRec;

struct DeclRec : public Hashable {
    private:
        static Pool     _declPool;
    public:
        DeclRec() { _nextDecl = NULL; }

        BRI_SymbolAttributes    attribs;
        BRI_StringID            nameID;
        BRI_TypeID              typeID;
        BRI_ScopeID             enclosing;

        void    *operator new(size_t) { return _declPool.Get(); }
        void    *operator new(size_t, const WChar *, const WChar *,
                              WULong) { return _declPool.Get(); }
        void    operator delete(void *p) { _declPool.Release(p); }

    private:
    // KLUDGE ALERT...the following field is used to optimize
    // searching for duplicate symbols in Browser::ReadDeclaration.
        DeclRec         *_nextDecl;

        friend class Browser;
        friend class DeclList;
        friend class ScopeTable;
};


/*  DeclList:
      List of all symbols (declarations).
*/

class DeclList : public HashTable<DeclRec> {
    public:
        DeclList();
        ~DeclList();

        //  Iteration functions
        DeclRec *First();
        DeclRec *Next();

        WBool   SaveTo( CacheOutFile *cache );
        WBool   LoadFrom( CacheInFile *cache );

    private:
        int     _currIndex;
        DeclRec *_currLink;
};


/*  Restart memory tracking
*/
#include "wnew.hpp"

#endif  // _DECL_HPP