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      1 // Copyright 2013 the V8 project authors. All rights reserved.
      2 // Redistribution and use in source and binary forms, with or without
      3 // modification, are permitted provided that the following conditions are
      4 // met:
      5 //
      6 //     * Redistributions of source code must retain the above copyright
      7 //       notice, this list of conditions and the following disclaimer.
      8 //     * Redistributions in binary form must reproduce the above
      9 //       copyright notice, this list of conditions and the following
     10 //       disclaimer in the documentation and/or other materials provided
     11 //       with the distribution.
     12 //     * Neither the name of Google Inc. nor the names of its
     13 //       contributors may be used to endorse or promote products derived
     14 //       from this software without specific prior written permission.
     15 //
     16 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     17 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     18 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     19 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     20 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     21 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     22 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     23 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     24 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     26 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27 
     28 var processor = new ArgumentsProcessor(arguments);
     29 var distortion_per_entry = 0;
     30 var range_start_override = undefined;
     31 var range_end_override = undefined;
     32 
     33 if (!processor.parse()) processor.printUsageAndExit();
     34 var result = processor.result();
     35 var distortion = parseInt(result.distortion);
     36 if (isNaN(distortion)) processor.printUsageAndExit();
     37 // Convert picoseconds to milliseconds.
     38 distortion_per_entry = distortion / 1000000;
     39 var rangelimits = result.range.split(",");
     40 var range_start = parseInt(rangelimits[0]);
     41 var range_end = parseInt(rangelimits[1]);
     42 if (!isNaN(range_start)) range_start_override = range_start;
     43 if (!isNaN(range_end)) range_end_override = range_end;
     44 
     45 var kResX = 1600;
     46 var kResY = 600;
     47 function log_error(text) {
     48   print(text);
     49   quit(1);
     50 }
     51 var psc = new PlotScriptComposer(kResX, kResY, log_error);
     52 psc.collectData(readline, distortion_per_entry);
     53 psc.findPlotRange(range_start_override, range_end_override);
     54 print("set terminal pngcairo size " + kResX + "," + kResY +
     55       " enhanced font 'Helvetica,10'");
     56 psc.assembleOutput(print);
     57