143ea4abe1
- Handle "new" deprecation macros - Use default v8_header path: include/v8.h Change-Id: I9597ca80aa6f6ca297629f1788162add15b31f45 Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2607726 Auto-Submit: Camillo Bruni <cbruni@chromium.org> Reviewed-by: Victor Gomes <victorgomes@chromium.org> Commit-Queue: Victor Gomes <victorgomes@chromium.org> Cr-Commit-Position: refs/heads/master@{#71941}
123 lines
3.6 KiB
Python
Executable File
123 lines
3.6 KiB
Python
Executable File
#!/usr/bin/env python
|
|
# Copyright 2018 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.
|
|
|
|
# for py2/py3 compatibility
|
|
from __future__ import print_function
|
|
|
|
import argparse
|
|
from datetime import datetime
|
|
import re
|
|
import subprocess
|
|
import sys
|
|
from os import path
|
|
|
|
RE_GITHASH = re.compile(r"^[0-9a-f]{40}")
|
|
RE_AUTHOR_TIME = re.compile(r"^author-time (\d+)$")
|
|
RE_FILENAME = re.compile(r"^filename (.+)$")
|
|
|
|
|
|
def GetBlame(file_path):
|
|
result = subprocess.check_output(
|
|
['git', 'blame', '-t', '--line-porcelain', file_path])
|
|
line_iter = iter(result.splitlines())
|
|
blame_list = list()
|
|
current_blame = None
|
|
while True:
|
|
line = next(line_iter, None)
|
|
if line is None:
|
|
break
|
|
if RE_GITHASH.match(line):
|
|
if current_blame is not None:
|
|
blame_list.append(current_blame)
|
|
current_blame = {'time': 0, 'filename': None, 'content': None}
|
|
continue
|
|
match = RE_AUTHOR_TIME.match(line)
|
|
if match:
|
|
current_blame['time'] = datetime.fromtimestamp(int(match.groups()[0]))
|
|
continue
|
|
match = RE_FILENAME.match(line)
|
|
if match:
|
|
current_blame['filename'] = match.groups()[0]
|
|
current_blame['content'] = next(line_iter).strip()
|
|
continue
|
|
blame_list.append(current_blame)
|
|
return blame_list
|
|
|
|
|
|
RE_MACRO_END = re.compile(r"\);")
|
|
RE_DEPRECATE_MACRO = re.compile(r"\(.*?,(.*)\);", re.MULTILINE)
|
|
|
|
|
|
def FilterAndPrint(blame_list, macro, options):
|
|
before = options.before
|
|
index = 0
|
|
re_macro = re.compile(macro)
|
|
deprecated = list()
|
|
while index < len(blame_list):
|
|
blame = blame_list[index]
|
|
time = blame['time']
|
|
if time >= before:
|
|
index += 1
|
|
continue
|
|
line = blame['content']
|
|
match = re_macro.search(line)
|
|
if match:
|
|
pos = match.end()
|
|
start = -1
|
|
parens = 0
|
|
while True:
|
|
if pos >= len(line):
|
|
# extend to next line
|
|
index = index + 1
|
|
blame = blame_list[index]
|
|
line = line + blame['content']
|
|
if line[pos] == '(':
|
|
parens = parens + 1
|
|
elif line[pos] == ')':
|
|
parens = parens - 1
|
|
if parens == 0:
|
|
# Exclud closing ")
|
|
pos = pos - 2
|
|
break
|
|
elif line[pos] == '"' and start == -1:
|
|
start = pos + 1
|
|
pos = pos + 1
|
|
# Extract content and replace double quotes from merged lines
|
|
content = line[start:pos].strip().replace('""', '')
|
|
deprecated.append([index + 1, time, content])
|
|
index = index + 1
|
|
print("Marked as " + macro + ": " + str(len(deprecated)))
|
|
for linenumber, time, content in deprecated:
|
|
print(" " + (options.v8_header + ":" +
|
|
str(linenumber)).rjust(len(options.v8_header) + 5) + "\t" +
|
|
str(time) + "\t" + content)
|
|
return len(deprecated)
|
|
|
|
|
|
def ParseOptions(args):
|
|
parser = argparse.ArgumentParser(
|
|
description="Collect deprecation statistics")
|
|
parser.add_argument("v8_header", nargs='?', help="Path to v8.h")
|
|
parser.add_argument("--before", help="Filter by date")
|
|
options = parser.parse_args(args)
|
|
if options.before:
|
|
options.before = datetime.strptime(options.before, '%Y-%m-%d')
|
|
else:
|
|
options.before = datetime.now()
|
|
if options.v8_header is None:
|
|
options.v8_header = path.join(path.dirname(__file__), '..', 'include', 'v8.h')
|
|
return options
|
|
|
|
|
|
def Main(args):
|
|
options = ParseOptions(args)
|
|
blame_list = GetBlame(options.v8_header)
|
|
FilterAndPrint(blame_list, "V8_DEPRECATE_SOON", options)
|
|
FilterAndPrint(blame_list, "V8_DEPRECATED", options)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
Main(sys.argv[1:])
|