1#!/usr/bin/env python 2 3# Copyright 2017 Google Inc. 4# 5# Use of this source code is governed by a BSD-style license that can be 6# found in the LICENSE file. 7 8import multiprocessing 9import os 10import re 11import subprocess 12import sys 13 14''' 15If called with arguments, this script will verify that those headers are 16self-sufficient and idempotent. 17 18Otherwise, test all checked-in headers except for those in the ignore list. 19''' 20 21ignore = re.compile('|'.join([ 22 r'debugger/QT/.*', 23 r'example/.*', 24 r'experimental/.*', 25 r'include/config/.*', 26 r'include/gpu/mtl/.*', 27 r'include/gpu/vk/.*', 28 r'include/ports/SkFontMgr_android\.h', 29 r'include/ports/SkFontMgr_fontconfig\.h', 30 r'include/ports/SkFontMgr_fuchsia\.h', 31 r'include/ports/SkTypeface_win\.h', 32 r'include/private/.*_impl\.h', 33 r'include/private/.*_neon\.h', 34 r'include/private/.*_sse\.h', 35 r'include/third_party/vulkan/.*', 36 r'include/utils/mac/SkCGUtils\.h', 37 r'include/views/SkOSWindow_.*\.h', 38 r'modules/.*', 39 r'platform_tools/.*', 40 r'src/c/sk_c_from_to\.h', 41 r'src/core/.*Template\.h', 42 r'src/core/SkBitmapProcState_.*\.h', 43 r'src/core/SkLinearBitmapPipeline\.h', 44 r'src/core/SkLinearBitmapPipeline_.*\.h', 45 r'src/gpu/mtl/.*', 46 r'src/gpu/vk/.*', 47 r'src/opts/.*_SSE2\.h', 48 r'src/opts/.*_SSSE3\.h', 49 r'src/opts/.*_neon\.h', 50 r'src/opts/.*_sse\.h', 51 r'src/ports/.*', 52 r'src/utils/.*_win\.h', 53 r'src/utils/win/.*', 54 r'src/views/.*', 55 r'third_party/.*', 56 r'tools/fiddle/.*', 57 r'tools/gpu/vk/.*', 58 r'tools/sk_app/.*', 59 r'tools/viewer/.*', 60 ])) 61 62 63# test header for self-sufficiency and idempotency. 64# Returns a string containing errors, or None iff there are no errors. 65def compile_header(header): 66 cmd = ['c++', '--std=c++14', '-I.', '-o', '/dev/null', '-c', '-x', 'c++', '-'] 67 proc = subprocess.Popen(cmd, stdin=subprocess.PIPE, 68 stdout=subprocess.PIPE, stderr=subprocess.STDOUT) 69 proc.stdin.write('#include "%s"\n#include "%s"\n' % (header, header)) 70 proc.stdin.close() 71 errors = proc.stdout.read().strip() 72 if proc.wait() != 0 or len(errors) > 0: 73 return '\n\033[7m ERROR: %s \033[0m\n%s\n\n' % (header, errors) 74 return None 75 76 77# for h in headers: 78# compile_header(h) 79# ...Except use a multiprocessing pool. 80# Exit at first error. 81def compile_headers(headers): 82 class N: good = True 83 # N.good is a global scoped to this function to make a print_and_exit_if() a closure 84 pool = multiprocessing.Pool() 85 def print_and_exit_if(r): 86 if r is not None: 87 sys.stdout.write(r) 88 N.good = False 89 pool.terminate() 90 for path in headers: 91 assert os.path.exists(path) 92 pool.apply_async(compile_header, args=(path, ), callback=print_and_exit_if) 93 pool.close() 94 pool.join() 95 if N.good: 96 sys.stdout.write('all good :)\n') 97 else: 98 exit(1) 99 100 101def main(argv): 102 skia_dir = os.path.join(os.path.dirname(__file__), os.pardir) 103 if len(argv) > 1: 104 paths = [os.path.relpath(os.path.abspath(arg), skia_dir) for arg in argv[1:]] 105 os.chdir(skia_dir) 106 else: 107 os.chdir(skia_dir) 108 paths = [path for path in subprocess.check_output(['git', 'ls-files']).splitlines() 109 if path.endswith('.h') and not ignore.match(path)] 110 compile_headers(paths) 111 112 113if __name__ == '__main__': 114 main(sys.argv) 115