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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
28var processor = new ArgumentsProcessor(arguments);
29var distortion_per_entry = 0;
30var range_start_override = undefined;
31var range_end_override = undefined;
32
33if (!processor.parse()) processor.printUsageAndExit();;
34var result = processor.result();
35var distortion = parseInt(result.distortion);
36if (isNaN(distortion)) processor.printUsageAndExit();;
37// Convert picoseconds to milliseconds.
38distortion_per_entry = distortion / 1000000;
39var rangelimits = result.range.split(",");
40var range_start = parseInt(rangelimits[0]);
41var range_end = parseInt(rangelimits[1]);
42if (!isNaN(range_start)) range_start_override = range_start;
43if (!isNaN(range_end)) range_end_override = range_end;
44
45var kResX = 1600;
46var kResY = 700;
47function log_error(text) {
48  print(text);
49  quit(1);
50}
51var psc = new PlotScriptComposer(kResX, kResY, log_error);
52psc.collectData(readline, distortion_per_entry);
53psc.findPlotRange(range_start_override, range_end_override);
54print("set terminal pngcairo size " + kResX + "," + kResY +
55      " enhanced font 'Helvetica,10'");
56psc.assembleOutput(print);
57