MacroManager.cpp

// GetDP - Copyright (C) 1997-2015 P. Dular, C. Geuzaine
//
// See the LICENSE.txt file for license information. Please report all
// bugs and problems to the public mailing list <getdp@onelab.info>.

#include <stdio.h>
#include <map>
#include <stack>
#include <string>
#include "MacroManager.h"

extern std::string getdp_yystring;

class File_Position
{
 public:
  long int lineno;
  fpos_t position;
  FILE *file;
  std::string filename;
};

class mystack
{
 public:
  std::stack<File_Position> s;
};

class mymap
{
 public:
  std::map<std::string, File_Position> inFile;
  std::map<std::string, std::string> inString;
};

MacroManager *MacroManager::_instance = 0;

MacroManager::MacroManager()
{
  _macros = new mymap;
  _calls = new mystack;
}

MacroManager *MacroManager::Instance()
{
  if(!_instance) {
    _instance = new MacroManager;
  }
  return _instance;
}

void MacroManager::clear()
{
  _macros->inFile.clear();
  _macros->inString.clear();
}

int MacroManager::enterMacro(const std::string &name, FILE **f,
                             std::string &filename, long int &lno) const
{
  if(_macros->inFile.find(name) == _macros->inFile.end())
    return 0;
  File_Position fpold;
  fpold.lineno = lno;
  fpold.filename = filename;
  fpold.file = *f;
  fgetpos(fpold.file, &fpold.position);
  _calls->s.push(fpold);
  File_Position fp = (_macros->inFile)[name];
  fsetpos(fp.file, &fp.position);