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[/] [qaz_libs/] [trunk/] [BFM/] [src/] [tb/] [logger_pkg.sv] - Blame information for rev 34

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1 34 qaztronic
//////////////////////////////////////////////////////////////////////
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////                                                              ////
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//// Copyright (C) 2015 Authors and OPENCORES.ORG                 ////
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////                                                              ////
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//// This source file may be used and distributed without         ////
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//// restriction provided that this copyright statement is not    ////
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//// removed from the file and that any derivative work contains  ////
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//// the original copyright notice and the associated disclaimer. ////
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////                                                              ////
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//// This source file is free software; you can redistribute it   ////
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//// and/or modify it under the terms of the GNU Lesser General   ////
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//// Public License as published by the Free Software Foundation; ////
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//// either version 2.1 of the License, or (at your option) any   ////
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//// later version.                                               ////
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////                                                              ////
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//// This source is distributed in the hope that it will be       ////
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//// useful, but WITHOUT ANY WARRANTY; without even the implied   ////
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//// warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR      ////
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//// PURPOSE.  See the GNU Lesser General Public License for more ////
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//// details.                                                     ////
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////                                                              ////
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//// You should have received a copy of the GNU Lesser General    ////
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//// Public License along with this source; if not, download it   ////
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//// from http://www.opencores.org/lgpl.shtml                     ////
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////                                                              ////
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//////////////////////////////////////////////////////////////////////
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package logger_pkg;
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  // --------------------------------------------------------------------
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  //
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  typedef enum
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  {
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    FATAL,
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    ERROR,
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    WARNING,
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    INFO
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  } logger_severity_t;
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  // --------------------------------------------------------------------
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  //
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  class logger_class;
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    logger_severity_t verbosity = WARNING;
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    bit log_debug = 0;
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    string time_string;
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    int error_count = 0;
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    int max_error_display = 8;
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    bit stop_at_max_error = 1;
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    // --------------------------------------------------------------------
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    //
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    function void
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      set_verbosity(logger_severity_t level);
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      verbosity = level;
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    endfunction: set_verbosity
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    // --------------------------------------------------------------------
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    //
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    function void
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      debug_enable;
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      log_debug = 1;
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    endfunction: debug_enable
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    // --------------------------------------------------------------------
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    //
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    function void debug(string message);
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      time_string = $sformatf("??? %16.t | ", $time);
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      if(log_debug == 1)
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        $display({time_string, message});
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    endfunction: debug
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    // --------------------------------------------------------------------
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    //
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    function void display(string message);
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      time_string = $sformatf("--- %16.t | ", $time);
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      $display({time_string, message});
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    endfunction: display
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    // --------------------------------------------------------------------
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    //
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    function void info(string message);
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      time_string = $sformatf("^^^ %16.t | ", $time);
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      if(verbosity >= INFO)
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        $display({time_string, message});
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    endfunction: info
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    // --------------------------------------------------------------------
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    //
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    function void warning(string message);
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      time_string = $sformatf("*** %16.t | ", $time);
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      if(verbosity >= WARNING)
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        $display({time_string, message});
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    endfunction: warning
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    // --------------------------------------------------------------------
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    //
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    function void error(string message);
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      time_string = $sformatf("!!! %16.t | ", $time);
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      error_count++;
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      if(error_count > max_error_display)
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        if(stop_at_max_error)
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          $stop;
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        else
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          return;
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      if(verbosity >= ERROR)
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        $display({time_string, message});
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    endfunction: error
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    // --------------------------------------------------------------------
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    //
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    function void fatal(string message);
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      if(verbosity >= FATAL)
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        $fatal(1, message);
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    endfunction: fatal
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  //--------------------------------------------------------------------
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  //
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  endclass: logger_class
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//--------------------------------------------------------------------
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//
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endpackage: logger_pkg
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