Ben Murdoch | 4a90d5f | 2016-03-22 12:00:34 +0000 | [diff] [blame^] | 1 | #!/usr/bin/env python |
| 2 | # Copyright 2015 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 | """ |
| 7 | Script to print potentially missing source dependencies based on the actual |
| 8 | .h and .cc files in the source tree and which files are included in the gyp |
| 9 | and gn files. The latter inclusion is overapproximated. |
| 10 | |
| 11 | TODO(machenbach): Gyp files in src will point to source files in src without a |
| 12 | src/ prefix. For simplicity, all paths relative to src are stripped. But this |
| 13 | tool won't be accurate for other sources in other directories (e.g. cctest). |
| 14 | """ |
| 15 | |
| 16 | import itertools |
| 17 | import re |
| 18 | import os |
| 19 | |
| 20 | |
| 21 | V8_BASE = os.path.dirname(os.path.dirname(os.path.realpath(__file__))) |
| 22 | V8_SRC_BASE = os.path.join(V8_BASE, 'src') |
| 23 | V8_INCLUDE_BASE = os.path.join(V8_BASE, 'include') |
| 24 | |
| 25 | GYP_FILES = [ |
| 26 | os.path.join(V8_BASE, 'src', 'd8.gyp'), |
| 27 | os.path.join(V8_BASE, 'src', 'third_party', 'vtune', 'v8vtune.gyp'), |
| 28 | os.path.join(V8_BASE, 'test', 'cctest', 'cctest.gyp'), |
| 29 | os.path.join(V8_BASE, 'test', 'unittests', 'unittests.gyp'), |
| 30 | os.path.join(V8_BASE, 'tools', 'gyp', 'v8.gyp'), |
| 31 | os.path.join(V8_BASE, 'tools', 'parser-shell.gyp'), |
| 32 | ] |
| 33 | |
| 34 | |
| 35 | def path_no_prefix(path): |
| 36 | if path.startswith('../'): |
| 37 | return path_no_prefix(path[3:]) |
| 38 | elif path.startswith('src/'): |
| 39 | return path_no_prefix(path[4:]) |
| 40 | else: |
| 41 | return path |
| 42 | |
| 43 | |
| 44 | def isources(directory): |
| 45 | for root, dirs, files in os.walk(directory): |
| 46 | for f in files: |
| 47 | if not (f.endswith('.h') or f.endswith('.cc')): |
| 48 | continue |
| 49 | yield path_no_prefix(os.path.relpath(os.path.join(root, f), V8_BASE)) |
| 50 | |
| 51 | |
| 52 | def iflatten(obj): |
| 53 | if isinstance(obj, dict): |
| 54 | for value in obj.values(): |
| 55 | for i in iflatten(value): |
| 56 | yield i |
| 57 | elif isinstance(obj, list): |
| 58 | for value in obj: |
| 59 | for i in iflatten(value): |
| 60 | yield i |
| 61 | elif isinstance(obj, basestring): |
| 62 | yield path_no_prefix(obj) |
| 63 | |
| 64 | |
| 65 | def iflatten_gyp_file(gyp_file): |
| 66 | """Overaproximates all values in the gyp file. |
| 67 | |
| 68 | Iterates over all string values recursively. Removes '../' path prefixes. |
| 69 | """ |
| 70 | with open(gyp_file) as f: |
| 71 | return iflatten(eval(f.read())) |
| 72 | |
| 73 | |
| 74 | def iflatten_gn_file(gn_file): |
| 75 | """Overaproximates all values in the gn file. |
| 76 | |
| 77 | Iterates over all double quoted strings. |
| 78 | """ |
| 79 | with open(gn_file) as f: |
| 80 | for line in f.read().splitlines(): |
| 81 | match = re.match(r'.*"([^"]*)".*', line) |
| 82 | if match: |
| 83 | yield path_no_prefix(match.group(1)) |
| 84 | |
| 85 | |
| 86 | def icheck_values(values, *source_dirs): |
| 87 | for source_file in itertools.chain( |
| 88 | *[isources(source_dir) for source_dir in source_dirs] |
| 89 | ): |
| 90 | if source_file not in values: |
| 91 | yield source_file |
| 92 | |
| 93 | |
| 94 | gyp_values = set(itertools.chain( |
| 95 | *[iflatten_gyp_file(gyp_file) for gyp_file in GYP_FILES] |
| 96 | )) |
| 97 | |
| 98 | print "----------- Files not in gyp: ------------" |
| 99 | for i in sorted(icheck_values(gyp_values, V8_SRC_BASE, V8_INCLUDE_BASE)): |
| 100 | print i |
| 101 | |
| 102 | gn_values = set(iflatten_gn_file(os.path.join(V8_BASE, 'BUILD.gn'))) |
| 103 | |
| 104 | print "\n----------- Files not in gn: -------------" |
| 105 | for i in sorted(icheck_values(gn_values, V8_SRC_BASE, V8_INCLUDE_BASE)): |
| 106 | print i |