skia2/tools/rewrite_includes.py
Hal Canary 4df3d5340e rewrite_includes.py: make it work on windows
Also:
    Revert "don't try to format includes on windows"
    This reverts commit e68b5bd4e6.

Change-Id: I93dc4dba4808c07882e977ac0693c93e282bbad5
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/230878
Commit-Queue: Hal Canary <halcanary@google.com>
Reviewed-by: Mike Klein <mtklein@google.com>
2019-08-05 16:14:35 +00:00

115 lines
3.3 KiB
Python

#!/usr/bin/python2
#
# Copyright 2019 Google Inc.
#
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
import StringIO
import argparse
import os
import sys
parser = argparse.ArgumentParser()
parser.add_argument('-n', '--dry-run', action='store_true',
help='Just check there is nothing to rewrite.')
parser.add_argument('sources', nargs='*',
help='Source files to rewrite, or all if empty.')
args = parser.parse_args()
roots = [
'bench',
'dm',
'docs',
'example',
'experimental',
'fuzz',
'gm',
'include',
'modules',
'platform_tools/android/apps',
'samplecode',
'src',
'tests',
'third_party/etc1',
'third_party/gif',
'tools'
]
# Don't count our local Vulkan headers as Skia headers;
# we don't want #include <vulkan/vulkan_foo.h> rewritten to point to them.
blacklist = ['include/third_party/vulkan']
assert '/' in [os.sep, os.altsep]
def fix_path(p):
return p.replace(os.sep, os.altsep) if os.altsep else p
# Map short name -> absolute path for all Skia headers.
headers = {}
for root in roots:
for path, _, files in os.walk(root):
if not any(snippet in fix_path(path) for snippet in blacklist):
for file_name in files:
if file_name.endswith('.h'):
if file_name in headers:
print path, file_name, headers[file_name]
assert file_name not in headers
headers[file_name] = os.path.abspath(os.path.join(path, file_name))
def to_rewrite():
if args.sources:
for path in args.sources:
yield path
else:
for root in roots:
for path, _, files in os.walk(root):
for file_name in files:
yield os.path.join(path, file_name)
# Rewrite any #includes relative to Skia's top-level directory.
need_rewriting = []
for file_path in to_rewrite():
if 'generated' in file_path:
continue
if (file_path.endswith('.h') or
file_path.endswith('.c') or
file_path.endswith('.m') or
file_path.endswith('.mm') or
file_path.endswith('.inc') or
file_path.endswith('.fp') or
file_path.endswith('.cc') or
file_path.endswith('.cpp')):
# Read the whole file into memory.
lines = open(file_path).readlines()
# Write it back out again line by line with substitutions for #includes.
output = StringIO.StringIO() if args.dry_run else open(file_path, 'wb')
includes = []
for line in lines:
parts = line.replace('<', '"').replace('>', '"').split('"')
if (len(parts) == 3
and '#' in parts[0]
and 'include' in parts[0]
and os.path.basename(parts[1]) in headers):
header = fix_path(os.path.relpath(headers[os.path.basename(parts[1])], '.'))
includes.append(parts[0] + '"%s"' % header + parts[2])
else:
for inc in sorted(includes):
output.write(inc.strip('\n') + '\n')
includes = []
output.write(line.strip('\n') + '\n')
if args.dry_run and output.getvalue() != open(file_path).read():
need_rewriting.append(file_path)
rc = 1
output.close()
if need_rewriting:
print 'Some files need rewritten #includes:'
for path in need_rewriting:
print '\t' + path
print 'To do this automatically, run'
print 'python tools/rewrite_includes.py ' + ' '.join(need_rewriting)
sys.exit(1)