DebStream.cc 21.3 KB
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// (C) Copyright 2014 by Autodesk, Inc.
//
// The information contained herein is confidential, proprietary
// to Autodesk,  Inc.,  and considered a trade secret as defined
// in section 499C of the penal code of the State of California.
// Use of  this information  by  anyone  other  than  authorized
// employees of Autodesk, Inc.  is granted  only under a written
// non-disclosure agreement,  expressly  prescribing  the  scope
// and manner of such use.

#include "DebOut.hh"
#include <string>
#include <fstream>
#include <time.h>
#include <vector>
#include <iostream>
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#include <map>
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#ifdef DEB_ON
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#define LOCAL_PROC static

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LOCAL_PROC bool is_html_filename(const char* const str)
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{
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  const char* dot = strchr(str, '.');
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  if (dot == nullptr) return false;
  ++dot;
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  return (!strncmp(dot, "htm", 3)) || (!strncmp(dot, "HTM", 3)) ;
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}

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namespace ReForm {

class FunctionCallSequence
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{
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  std::string func_name_;
  std::vector<DebEnter*> debs_;  // These may not have sequential counts when multithreaded.

public:
  FunctionCallSequence(const char* _func_name, DebEnter* _deb)
    : func_name_(_func_name)
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  {
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    debs_.push_back(_deb);
  }
  ~FunctionCallSequence() {}
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  bool add(const char* _func_name, DebEnter* _deb)
  {
    if (func_name_ == _func_name)
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    {
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      debs_.push_back(_deb);
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      return true;
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    }
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    return false;
  }
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  bool pop()
  {
    if (debs_.size() > 1)
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    {
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      debs_.pop_back();
      return true;
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    }
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    debs_.clear();
    return false;
  }
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  int number_calls() const
  {
    if (!this) return 0;
    return (int)debs_.size();
  }
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  int count(int i = 0) const
  {
    int num = number_calls();
    if (i < num) return debs_[num - 1 - i]->count_;
    return -1;
  }
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  const char* name() const
  {
    return func_name_.c_str();
  }
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  // Replace interior of < > in function name with . for brevity
  void compact_name(std::string& str) const
  {
    int cnt = 0;
    const char* ptr = func_name_.c_str();
    while (ptr && (*ptr != '\0'))
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    {
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      char c = *ptr;
      if (c == '>') --cnt;
      if (cnt == 0) str.append(1, c);
      if (c == '<')
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      {
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        if (cnt == 0) str.append(".");
        ++cnt;
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      }
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      ++ptr;
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    }
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  }
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  // Get single call stack element string
  void get(std::string& _str, const bool _strip_angled, bool _with_counts) const
  {
    if (_strip_angled) compact_name(_str);
    else _str.append(name());
    _str.append("[");
    if (_with_counts)
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    {

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      int num = number_calls();
      int prev = -2;
      int seq_cnt = 0;
      for (int i = 0; i < num; ++i)
      {
        int cnt = debs_[i]->count_;
        if (cnt != prev + 1)
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        {
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          char buffer[64];
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          if (seq_cnt > 0)
          {
            _str.append("-");
            sprintf_s(buffer, sizeof(buffer), "%i", prev);
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            _str.append(buffer);
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          }
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          if (i > 0) _str.append(",");
          sprintf_s(buffer, sizeof(buffer), "%i", cnt);
          _str.append(buffer);
          seq_cnt = 0;
        }
        else
          ++seq_cnt;
        prev = cnt;
      } // endfor i
    } // endif _with_counts
    else
      _str.append("*");
    _str.append("]");
  } // endfunc get
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  void indent(std::string& _str, DebFile* _dfile, bool _is_html);
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}; // endclass FunctionCallSequence
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class CallStack
{
  std::vector<FunctionCallSequence> calls_;
  int depth_;
public:
  CallStack() : depth_(0) {}
  ~CallStack() {}
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  void add(const char* _func_name, DebEnter* _deb)
  {
    if (calls_.empty() || !calls_.back().add(_func_name, _deb))
      calls_.push_back(FunctionCallSequence(_func_name, _deb));
    ++depth_;
  }
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  void pop()
  {
    if (!calls_.back().pop())
      calls_.pop_back();
    --depth_;
  }
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  const FunctionCallSequence* call(int _up = 0)
  {
    int num = (int)calls_.size();
    if (_up < num) return &calls_[num - 1 - _up];
    return nullptr;
  }
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  // Read a particular call stack element
  bool read(int _up, const char*& _funcname, int& _count)
  {
    const FunctionCallSequence* fcs = call(_up);
    if (fcs != nullptr)
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    {
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      _funcname = fcs->name();
      _count = fcs->count(0); // Return most recent deb_enter_count
      return true;
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    }
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    return false;
  }
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  // Get a full call stack sting.
  // returns number of call stack function elements
  int get(std::string& _str, bool _with_counts = true) const
  {
    int num = (int)calls_.size();
    for (int i = 0; i < num; ++i)
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    {
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      if (i > 0) _str.append("->");
      calls_[i].get(_str, true, _with_counts);
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    }
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    return num;
  }
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  int depth() const
  {
    return depth_;
  }
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  bool indent(std::string& _str, DebFile* _dfile, const bool is_html);
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}; // endclass CallStack
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class DebFile
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{
private:
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  class module_stats
  {
  public:
    int lev_; // Level set for this module
    int col_; // Colour (24 bit RGB, MSB=Red) for this module's DEB_out
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    module_stats(int _lev = 0) : lev_(_lev), col_(0x808080) {}
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    ~module_stats() {}
  };

  std::map<std::string, module_stats> module_map_;
  typedef std::map<std::string, module_stats>::iterator module_map_itr;
  typedef std::map<std::string, module_stats>::const_iterator const_module_map_itr;
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  DebStream::StreamType type_;
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  int lev_;
  int num_flush_;
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  int priority_; // Last permission granted
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  int indent_size_;
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  bool at_line_start_;

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  std::string current_;
  std::string output_;
  std::string file_name_;
  std::fstream file_stream_;
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  //std::string indent_string_;
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  DebStream* deb_stream_;
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  CallStack call_stack_;

public:

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  CallStack& call_stack()
  {
    return call_stack_;
  }
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  bool is_kept_open() const
  {
    return 0 != (type_ & DebStream::StreamType::keep_open);
  }
  bool is_html() const
  {
    return 0 != (type_ & DebStream::StreamType::html);
  }
  bool is_retained() const
  {
    return 0 != (type_ & DebStream::StreamType::retain);
  }
  bool is_appended() const
  {
    return 0 != (type_ & DebStream::StreamType::append);
  }
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  // Only applies to HTML DEB_out
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  bool is_white_on_black() const
  {
    return true;
  }
  int indent_size()
  {
    return indent_size_;
  }
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  bool file_is_open() const
  {
    return file_stream_.is_open();
  }
  int priority() const
  {
    return priority_;
  }
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  bool fork_to_cout()
  {
    return false;
  }
  bool fork_to_cerr()
  {
    return true;
  }
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  const char* file_name() const
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  {
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    if (this && (!file_name_.empty())) return file_name_.c_str();
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    return nullptr;
  }
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  void clear()
  {
    current_.clear();
    output_.clear();
    file_name_.clear();
  }
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  char prev_char() const
  {
    if (!current_.empty()) return current_.back();
    if (!output_.empty()) return output_.back();
    return '\0';
  }

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  void indent(bool _full_text)
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  {
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    std::string str;
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    if (call_stack().indent(str, this,  _full_text && is_html()))
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      current_.append(str);
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  }

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  void line_break(bool _with_indent = false)
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  {
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    if (is_html()) current_.append("<br>");   // Don't bother with matching </br>
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    current_.append("\n", 1);

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    if (_with_indent) indent(false);
    else at_line_start_ = true;
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  }

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  void set_level(int _lev)
  {
    lev_ = _lev;
  }

  void print_direct(const std::string& _s)
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  {
    current_.append(_s);
  }


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  void print(const char _c)
  {
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    if (_c == '\n')
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    {
      line_break();
      return;
    }

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    if (at_line_start_)
    {
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      indent(true);
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      at_line_start_ = false;
    }


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    if (is_html())
    {
      // translate the esoteric characters used in IGM DEB_out
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      if (_c == '')  // -62
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        return;

      if (_c == '') // 167 = -89
      {
        current_.append("&sect;");
        return;
      }

      if (_c == '') // -80
      {
        current_.append("&deg;");
        return;
      }
    }
    current_.append(&_c, 1);
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  }

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  void print(const char* const _s, bool _fork = true)
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  {
    if (_s != nullptr)
    {
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      for (int i = 0; ; ++i)
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      {
        const char c = _s[i];
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        if (c == '\0') break;
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        print(c);
      }
      if (_fork)
      {
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        if (fork_to_cout())
          std::cout << _s;
        if (fork_to_cerr())
          std::cerr << _s;
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      }
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    }
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  }

  void print(int _i)
  {
    char buffer[64];
    sprintf_s(buffer, sizeof(buffer), "%i", _i);
    print(buffer);
  }
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  void print(double _d)
  {
    char buffer[64];
    sprintf_s(buffer, sizeof(buffer), "%.17g", _d);
    print(buffer);
  }

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  void print(const DebCommand& _co)
  {
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    switch (_co.com())
    {
    case DebCommand::end :
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      if (is_html()) print_direct("</FONT>");
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      break;
    case DebCommand::end_lf :
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      if (is_html()) print_direct("</FONT>");
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      line_break();
      break;
    }
  }

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  DebStream& stream()
  {
    return *deb_stream_;
  }
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  // Append current asctime to given string
  bool add_time(std::string& str)
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  {
    time_t rawtime;
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    time(&rawtime);
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    struct tm timeinfo;
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    errno_t err = localtime_s(&timeinfo, &rawtime);
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    if (err == 0)
    {
      char buffer[256];
      err = asctime_s(buffer, sizeof(buffer), &timeinfo);
      if (err == 0)
      {
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        str.append(buffer);
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        return true;
      }
    }
    return false;
  }

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#if 1
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  bool hover(std::string& _str, const std::string& _hover, const bool _open)
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  {
    if (is_html())
    {
      char buffer[1024];
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      if (_open)  sprintf_s(buffer, sizeof(buffer),
                              "<span title=\"%s\">", _hover.c_str());
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      else sprintf_s(buffer, sizeof(buffer), "</span>");
      _str.append(buffer);
      return true;
    }
    return false;
  }
#endif

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  bool anchor(std::string& _str, const int _id, const char* _tag, const bool _open)
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  {
    if (is_html())
    {
      char buffer[1024];
      if (_open)  sprintf_s(buffer, sizeof(buffer), "<A name=\"%08X_%s\">", _id, _tag);
      else sprintf_s(buffer, sizeof(buffer), "</A>");
      _str.append(buffer);
      return true;
    }
    return false;
  }

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  bool link_to(std::string& _str, const int _id, const char* _tag, const std::string& _hover, const bool _open)
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  {
    if (is_html())
    {
      char buffer[2048];
      if (_open)
      {
        // HTML title hover text is cropped to 64 char in Firefox but displays
        // OK in Chrome. We could use javascript to avoid this limit but HTML
        // is simpler.
        if (_hover.empty()) sprintf_s(buffer, sizeof(buffer),
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                                        "<A href=\"#%08X_%s\">", _id, _tag);
        else sprintf_s(buffer, sizeof(buffer),
                         "<A href=\"#%08X_%s\" title=\"%s\">", _id, _tag, _hover.c_str());
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      }
      else sprintf_s(buffer, sizeof(buffer), "</A>");
      _str.append(buffer);
      return true;
    }
    return false;
  }


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  void header(std::string& str)
  {
    if (is_html())
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    {
      str.append("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\">");
      str.append("\n<HTML><HEAD>");
      str.append("\n<TITLE>ReForm DEB_out");
      str.append("</TITLE>");
      // javascript lib loads go here
      // stylesheet loads go here
      // within HEAD javascript goes here
      str.append("\n</HEAD>");
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      if (is_white_on_black())
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      {
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        str.append("\n<BODY BGCOLOR=\"#000000\" TEXT=\"#FFFFFF\" LINK=\"#%00FFFF\" VLINK=\"#FFFF00\" >");
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        //str.append( "\n<BODY BGCOLOR=\"#000000\" TEXT=\"#FFFFFF\"  >");
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      }
      else
      {
        str.append("\n<BODY BGCOLOR=\"#FFFFFF\" TEXT=\"#000000\" LINK=\"#%FF0000\" VLINK=\"#0000FF\" >");
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        //str.append( "\n<BODY BGCOLOR=\"#000000\" TEXT=\"#FFFFFF\" >");
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      }
      str.append("\n");
    } // endif is_html
    bool date_header = true;
    if (date_header)
    {
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      if (!file_name_.empty())
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      {
        str.append(file_name_);
        str.append(" opened ");
      }
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      add_time(str);
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      str.append("[ Build: " __TIME__  " " __DATE__  "] ");
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      if (is_html()) str.append("<BR>");
      str.append("\n");
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    }
  }

  void footer()
  {
    bool date_footer = true;
    if (date_footer)
    {
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      std::string str("\n");
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      if (!file_name_.empty()) str.append(file_name_);
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      str.append(" Closed: ");
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      add_time(str);
      stream() << str << "\n";
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    }

    if (is_html())
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      stream().print("\n</BODY></HTML>", false);
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  }
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  bool is_first_flush()
  {
    return num_flush_ == 0 ;
  }
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  int flush()
  {
    int res = 0;
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    if (!current_.empty())
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    {
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      const char* fname = file_name();
      if ((fname != nullptr) || file_is_open())
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      {
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        if (!file_is_open())
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        {
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          file_stream_.open(fname,
                            std::fstream::out | ((is_appended() && !is_first_flush()) ?
                                                 std::fstream::app  :  std::fstream::trunc));
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        }

        if (file_stream_.is_open())
        {
          std::string hdr;
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          if (!is_appended())
          {
            // Reoutput entire file
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            header(hdr);
            output_.append(hdr);
            file_stream_ << output_;
          }
          else
          {
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            if (is_first_flush())
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            {
              header(hdr);
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              if (is_retained())
                output_.append(hdr);
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              file_stream_ << hdr;
            }
            ++num_flush_;
          }
          file_stream_ << current_;

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          if (is_retained())
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            output_.append(current_);

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          current_.clear();
          if (!is_kept_open())
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            file_stream_.close();
        } // endif fs.is_open
        else
          res = -1;
      }
    } // endif current empty
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    return res;
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  }  // endfunc flush

  void close()
  {
    footer();
    flush();
  }


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  void set_file_name(const char* _name)
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  {
    file_name_ = _name;
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    if (is_html_filename(_name))
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      type_ = (DebStream::StreamType)(type_ | DebStream::StreamType::html);
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  }
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  void set_module_level(const char* const _module, const int _lev)
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  {
    std::pair<module_map_itr, bool> ins =  module_map_.insert(
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        std::pair<std::string, module_stats>(_module, module_stats(_lev)));
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    if (!ins.second) ins.first->second.lev_ = _lev;
  }

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  int get_module_level(const char* const _module) const
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  {
    const_module_map_itr it = module_map_.find(std::string(_module));
    if (it == module_map_.end()) return lev_;
    return it->second.lev_;
  }

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  void set_module_color(const char* const _module, const int _col)
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  {
    std::pair<module_map_itr, bool> ins =  module_map_.insert(
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        std::pair<std::string, module_stats>(_module, module_stats(lev_)));
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    ins.first->second.col_ = _col;
  }

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  int get_module_color(const char* const _module) const
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  {
    const_module_map_itr it = module_map_.find(std::string(_module));
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    if (it == module_map_.end())
    {
      if (is_white_on_black()) return 0xFFFFFF;
      else return 0x000000;
    }
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    return it->second.col_;
  }
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  int permission(const int _lev, const int _warn, const char* const _module)
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  {
    _warn;
    int lev = get_module_level(_module);
    lev -= _lev;
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    if (lev < 0) lev = 0;
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    if (lev > 0) priority_ = lev;
    return lev;
  }
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  bool is_at_line_start()
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  {
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    return at_line_start_;
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  }


  DebFile(
    DebStream* _deb_stream,
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    DebStream::StreamType _type = (DebStream::StreamType)(DebStream::append | DebStream::retain),
    const char* _file_name = nullptr) :
    type_(_type), lev_(5), deb_stream_(_deb_stream), num_flush_(0)
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  {
    set_file_name(_file_name);
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    indent_size_ = 3;
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    at_line_start_ = false; // Don't want to indent header
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    //    indent_string_ = ".";
    set_module_color("PARA", 0xFF8000);
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    set_module_color("SOLV", 0x00FF00);
    set_module_color("NSLV", 0xFFFF00);
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    set_module_color("FELD", 0x0080FF);
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    set_module_color("CURV", 0x00FFFF);
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    set_module_color("QMGN", 0xFF00FF);
    // Don't set a TEST module colour here because Test is not part of Reform
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  }

  ~DebFile() {}

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}; // endclass DebFile
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// =====================================
//      DebEnter member funcs
// =====================================

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DebEnter::DebEnter(const char* const _funcname, const int _count, const char* const _module)
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{
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  // TODO: this might have to be atomic
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  static int id_cnt = 0;
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  module_ = _module;
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  deb_outs_ = 0;
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  deb_lines_ = 0;
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  id_ = ++id_cnt;
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  count_ = _count;
  stream(0, false).dfile()->call_stack().add(_funcname, this);
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}

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DebEnter::~DebEnter()
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{
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  DebFile* impl = stream(0, false).dfile();
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  impl->call_stack().pop();
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  std::string str;
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  if (((deb_outs_ > 0) || (deb_lines_ > 0)) && impl->anchor(str, id_, "exit", true))
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  {
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    impl->anchor(str, id_, "exit", false);
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    impl->print_direct(str);
  }
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}

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DebStream& DebEnter::stream(const int _warn, const bool _print)
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{
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  DebStream& ds = ReForm::DebStream::get_global(_warn);
  DebFile* impl = ds.dfile();
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  if (_print)
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  {
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    if (impl->is_html())
    {
      int col = impl->get_module_color(module_);
      char buffer[256];
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      sprintf_s(buffer, sizeof(buffer), "<FONT COLOR=\"#%06X\" SIZE=%i>",
                col, impl->priority() + 1);
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      impl->print_direct(buffer);
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    }

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    if (deb_outs_ < 1)
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    {
      // First DEB_out in this function so output callstack, and flush.
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      impl->indent(true);
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      std::string str;
      bool is_html = impl->is_html();
      if (is_html)
      {
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        str.append("<FONT SIZE=2><u>");
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        impl->anchor(str, id_, "enter", true);
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      }
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      else
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      {
        // .txt call stack lead in
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        str.append("****>");
      }

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      impl->call_stack().get(str);
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      if (is_html) str.append("</u></FONT>");
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      impl->print_direct(str.c_str()); // Don't fork callstack to cerr etc.
      impl->line_break();
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      ds.dfile()->flush();
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    }
    ++deb_outs_;
  }

  return ds;
}

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int DebEnter::permission(const int _lev, const int _warn)
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{
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  int res = ReForm::DebStream::get_global().dfile()->permission(_lev, _warn, module_);
  return res;
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}

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void FunctionCallSequence::indent(std::string& _str, DebFile* _dfile, bool _is_html)
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{
  int num = number_calls();
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  for (int i = 0; i < num; ++i)
  {
    DebEnter* deb = debs_[i];
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    if (_is_html)
    {
      /* HTML indent element is <L> with span title the name and count
      of the function and with < linking to the entry anchor (if present) and
      > linking to the exit anchor (will be present).
      L is the first letter of the module name */
      char hovert[1024];
      sprintf_s(hovert, sizeof(hovert), "%s[%i]", func_name_.c_str(), deb->count_);
      int col = _dfile->get_module_color(deb->module_);
      char buffer[1024];
      sprintf_s(buffer, sizeof(buffer), "<FONT COLOR=\"#%06X\">.", col);

      _dfile->hover(_str, std::string(hovert), true);

      _str.append(buffer);
      std::string cstk;
      //impl->call_stack().get(cstk);
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      if ((deb->deb_outs_ > 0) && _dfile->link_to(_str, deb->id_, "enter", cstk, true))
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      {
        _str.append("&lt;");
        _dfile->link_to(_str, deb->id_, "enter", cstk,  false);
      }
      else _str.append("&lt;");

      _str.append(deb->module_, 1);

      if (_dfile->link_to(_str, deb->id_, "exit", cstk, true))
      {
        _str.append("&gt;");
        _dfile->link_to(_str, deb->id_, "exit", cstk,  false);
        ++deb->deb_lines_;
      }

      _dfile->hover(_str, std::string(hovert), false);

      _str.append("</FONT>");
    } // endif html
    else _str.append("  ");
  }
}

838
bool CallStack::indent(std::string& _str, DebFile* _dfile, const bool is_html)
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{

  if (_dfile->indent_size() == 0) return false;
  if (is_html)
  {
    char buffer[64];
    sprintf_s(buffer, sizeof(buffer), "<FONT SIZE=%i>", _dfile->indent_size());
    _str.append(buffer);
  }
  int num = (int)calls_.size();
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  int i0 = 0;
  if (!is_html) ++i0; // Don't waste whitespace on first level indent if .txt
851
  for (int i = i0; i < num; ++i)
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    calls_[i].indent(_str, _dfile,  is_html);
  if (is_html) _str.append(":&nbsp;</FONT>\n");
  return true;
}


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// =====================================
//        DebStream member funcs
// =====================================


863
DebStream::DebStream(const char* _file_name, StreamType _type)
864
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{
  // NB. disable DEB_out over this new if new contains DEB_out
866
  dfile_ = new DebFile(this, _type, _file_name);
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}

DebStream::~DebStream()
{
871
  if (dfile_ != nullptr)
872
  {
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    dfile()->close();
    dfile()->clear();
875
    // NB. disable DEB_out over this delete if delete contains DEB_out
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    delete dfile_;
    dfile_ = nullptr;
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  }
}

DebStream& DebStream::print(const int _i)
{
883
  dfile_->print(_i);
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  return *this;
};

DebStream& DebStream::print(const double _d)
{
889
  dfile_->print(_d);
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  return *this;
};

893
DebStream& DebStream::print(const char* _s, bool _fork)
894
{
895
  dfile_->print(_s, _fork);
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  return *this;
};

DebStream& DebStream::print(const char _c)
{
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  dfile_->print(_c);
  return *this;
};

905
DebStream& DebStream::print(const DebCommand& _co)
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{
  dfile_->print(_co);
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  return *this;
};

911
DebStream& DebStream::get_global(int _warn)
912
{
913
  _warn;
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  // TODO: Replace with a Singleton?? ThreadArray??
  static DebStream g_ds__("reform_deb_out.txt");
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  //static DebStream g_ds__("reform_deb_out.htm");
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  return g_ds__;
}

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DebStream& operator<<(DebStream& ds, const int i)
{
  return ds.print(i);
}
DebStream& operator<<(DebStream& ds, const double d)
{
  return ds.print(d);
}
DebStream& operator<<(DebStream& ds, const char* const s)
{
  return ds.print(s);
}
DebStream& operator<<(DebStream& ds, const char c)
{
  return ds.print(c);
}
936

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DebStream& operator<<(DebStream& ds, const size_t i)
{
  return ds.print((int)i);
}
DebStream& operator<<(DebStream& ds, const unsigned int i)
{
  return ds.print((int)i);
}
DebStream& operator<<(DebStream& ds, const float f)
{
  return ds.print((double)f);
}
DebStream& operator<<(DebStream& ds, const std::string& s)
{
  return ds.print(s.c_str());
}
953

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DebStream& operator<<(DebStream& ds, const DebCommand& co)
{
  return ds.print(co);
}
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}//namespace


963
#endif // DEB_ON