123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475 |
- #!/usr/bin/env python
- # Copyright 2016 the V8 project authors. All rights reserved.
- # Use of this source code is governed by a BSD-style license that can be
- # found in the LICENSE file.
- # This script executes dumpcpp.js, collects all dumped C++ symbols,
- # and merges them back into v8 log.
- # for py2/py3 compatibility
- from __future__ import print_function
- import os
- import platform
- import re
- import subprocess
- import sys
- def is_file_executable(fPath):
- return os.path.isfile(fPath) and os.access(fPath, os.X_OK)
- if __name__ == '__main__':
- JS_FILES = ['dumpcpp-driver.mjs']
- tools_path = os.path.dirname(os.path.realpath(__file__))
- on_windows = platform.system() == 'Windows'
- JS_FILES = [os.path.join(tools_path, f) for f in JS_FILES]
- args = []
- log_file = 'v8.log'
- debug = False
- for arg in sys.argv[1:]:
- if arg == '--debug':
- debug = True
- continue
- args.append(arg)
- if not arg.startswith('-'):
- log_file = arg
- if on_windows:
- args.append('--windows')
- with open(log_file, 'r') as f:
- lines = f.readlines()
- d8_line = re.search(',\"(.*d8)', ''.join(lines))
- if d8_line:
- d8_exec = d8_line.group(1)
- if not is_file_executable(d8_exec):
- print('d8 binary path found in {} is not executable.'.format(log_file))
- sys.exit(-1)
- else:
- print('No d8 binary path found in {}.'.format(log_file))
- sys.exit(-1)
- args = [d8_exec] + ['--module'] + JS_FILES + ['--'] + args
- with open(log_file) as f:
- sp = subprocess.Popen(args, stdout=subprocess.PIPE, stderr=subprocess.PIPE,
- stdin=f)
- out, err = sp.communicate()
- if debug:
- print(err)
- if sp.returncode != 0:
- print(out)
- exit(-1)
- if on_windows and out:
- out = re.sub('\r+\n', '\n', out)
- is_written = not bool(out)
- with open(log_file, 'w') as f:
- for line in lines:
- if not is_written and line.startswith('tick'):
- f.write(out)
- is_written = True
- f.write(line)
|