Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2016 the V8 project authors. All rights reserved. |
| 3 | # Use of this source code is governed by a BSD-style license that can be |
| 4 | # found in the LICENSE file. |
| 5 | |
| 6 | # This script executes dumpcpp.js, collects all dumped C++ symbols, |
| 7 | # and merges them back into v8 log. |
| 8 | |
| 9 | import os |
| 10 | import platform |
| 11 | import re |
| 12 | import subprocess |
| 13 | import sys |
| 14 | |
| 15 | def is_file_executable(fPath): |
| 16 | return os.path.isfile(fPath) and os.access(fPath, os.X_OK) |
| 17 | |
| 18 | if __name__ == '__main__': |
| 19 | JS_FILES = ['splaytree.js', 'codemap.js', 'csvparser.js', 'consarray.js', |
| 20 | 'profile.js', 'logreader.js', 'tickprocessor.js', 'SourceMap.js', |
Ben Murdoch | 61f157c | 2016-09-16 13:49:30 +0100 | [diff] [blame] | 21 | 'dumpcpp.js', 'dumpcpp-driver.js'] |
Ben Murdoch | c561043 | 2016-08-08 18:44:38 +0100 | [diff] [blame] | 22 | tools_path = os.path.dirname(os.path.realpath(__file__)) |
| 23 | on_windows = platform.system() == 'Windows' |
| 24 | JS_FILES = [os.path.join(tools_path, f) for f in JS_FILES] |
| 25 | |
| 26 | args = [] |
| 27 | log_file = 'v8.log' |
| 28 | debug = False |
| 29 | for arg in sys.argv[1:]: |
| 30 | if arg == '--debug': |
| 31 | debug = True |
| 32 | continue |
| 33 | args.append(arg) |
| 34 | if not arg.startswith('-'): |
| 35 | log_file = arg |
| 36 | |
| 37 | if on_windows: |
| 38 | args.append('--windows') |
| 39 | |
| 40 | with open(log_file, 'r') as f: |
| 41 | lines = f.readlines() |
| 42 | |
| 43 | d8_line = re.search(',\"(.*d8)', ''.join(lines)) |
| 44 | if d8_line: |
| 45 | d8_exec = d8_line.group(1) |
| 46 | if not is_file_executable(d8_exec): |
| 47 | print 'd8 binary path found in {} is not executable.'.format(log_file) |
| 48 | sys.exit(-1) |
| 49 | else: |
| 50 | print 'No d8 binary path found in {}.'.format(log_file) |
| 51 | sys.exit(-1) |
| 52 | |
| 53 | args = [d8_exec] + JS_FILES + ['--'] + args |
| 54 | |
| 55 | with open(log_file) as f: |
| 56 | sp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE, |
| 57 | stdin=f) |
| 58 | out, err = sp.communicate() |
| 59 | if debug: |
| 60 | print err |
| 61 | if sp.returncode != 0: |
| 62 | print out |
| 63 | exit(-1) |
| 64 | |
| 65 | if on_windows and out: |
| 66 | out = re.sub('\r+\n', '\n', out) |
| 67 | |
| 68 | is_written = not bool(out) |
| 69 | with open(log_file, 'w') as f: |
| 70 | for line in lines: |
| 71 | if not is_written and line.startswith('tick'): |
| 72 | f.write(out) |
| 73 | is_written = True |
| 74 | f.write(line) |