TvPrinter.cxx

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#include <assert.h>
#include <stdint.h>
#include <stdlib.h>
#include <dirent.h>
#include <fstream>
#include <iostream>
#include <string>
#include <libsherpa/UExcept.hxx>
#include "AST.hxx"
#include "Type.hxx"
#include <sstream>

using namespace std;
using namespace boost;
using namespace sherpa;

TvPrinter::TvPrinter(const bool pp, const std::string& _pfx)
{
  prettyPrint = pp;
  pfx = _pfx;
  count = 0;
}

string 
TvPrinter::newTvName()
{
  stringstream ss;
  unsigned long long nchars = 'z' - 'a' + 1;

  char c = 'a' + (count % nchars);
  ss << pfx << c;

  unsigned long long ndx = count / nchars;
  if (ndx > 0)
    ss << ndx;
  
  count++;
  return ss.str();
}
  
string
TvPrinter::tvName(shared_ptr<const Type> tvar)
{
  if (!prettyPrint) {
    stringstream ss;
    ss << pfx << "a" << tvar->uniqueID;
    return ss.str();
  }
  
  TvMap::iterator itr = tvMap.find(tvar->uniqueID);

  if (itr == tvMap.end()) {
    string s = newTvName();
    tvMap[tvar->uniqueID] = s;
    return s;
  }
  else
    return itr->second;
}

std::vector<std::string>
TvPrinter::getAllTvarStrings()
{
  std::vector<std::string> vec;

  for (TvMap::iterator itr = tvMap.begin();
      itr != tvMap.end(); ++itr)
    vec.push_back(itr->second);

  return vec;
}

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