boomerang/loader/SymTab.cpp

   1 /*
   2  * Copyright (C) 2005, Mike Van Emmerik
   3  *
   4  * See the file "LICENSE.TERMS" for information on usage and
   5  * redistribution of this file, and for a DISCLAIMER OF ALL
   6  * WARRANTIES.
   7  *
   8  */
   9
  10 /*==============================================================================
  11  * FILE:        SymTab.cpp
  12  * OVERVIEW:    This file contains the implementation of the class SymTab, a simple class to maintain a pair of maps
  13  *                              so that symbols can be accessed by symbol or by name
  14  *============================================================================*/
  15 /*
  16  * $Revision$
  17  *
  18  * 12 Jul 05 - Mike: threw out the bsearch() code and implemented dual maps instead
  19 */
  20
  21 #include "SymTab.h"
  22
  23 SymTab::SymTab()
  24 {}
  25
  26 SymTab::~SymTab()
  27 {}
  28
  29 void SymTab::Add(ADDRESS a, char* s)
  30 {
  31     amap[a] = s;
  32     smap[s] = a;
  33 }
  34
  35 const char* SymTab::find(ADDRESS a)
  36 {
  37     std::map<ADDRESS, std::string>::iterator ff;
  38     ff = amap.find(a);
  39     if (ff == amap.end())
  40         return NULL;
  41     return ff->second.c_str();
  42 }
  43
  44 ADDRESS SymTab::find(const char* s)
  45 {
  46     std::map<std::string, ADDRESS>::iterator ff;
  47     ff = smap.find(s);
  48     if (ff == smap.end())
  49         return NO_ADDRESS;
  50     return ff->second;
  51 }
  52