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106 lines
3.0 KiB
106 lines
3.0 KiB
#!/usr/bin/env python
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# Copyright 2015 the V8 project authors. All rights reserved.
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# Use of this source code is governed by a BSD-style license that can be
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# found in the LICENSE file.
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"""
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Script to print potentially missing source dependencies based on the actual
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.h and .cc files in the source tree and which files are included in the gyp
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and gn files. The latter inclusion is overapproximated.
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TODO(machenbach): Gyp files in src will point to source files in src without a
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src/ prefix. For simplicity, all paths relative to src are stripped. But this
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tool won't be accurate for other sources in other directories (e.g. cctest).
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"""
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import itertools
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import re
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import os
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V8_BASE = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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V8_SRC_BASE = os.path.join(V8_BASE, 'src')
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V8_INCLUDE_BASE = os.path.join(V8_BASE, 'include')
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GYP_FILES = [
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os.path.join(V8_BASE, 'src', 'd8.gyp'),
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os.path.join(V8_BASE, 'src', 'v8.gyp'),
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os.path.join(V8_BASE, 'src', 'third_party', 'vtune', 'v8vtune.gyp'),
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os.path.join(V8_BASE, 'test', 'cctest', 'cctest.gyp'),
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os.path.join(V8_BASE, 'test', 'unittests', 'unittests.gyp'),
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os.path.join(V8_BASE, 'tools', 'parser-shell.gyp'),
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]
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def path_no_prefix(path):
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if path.startswith('../'):
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return path_no_prefix(path[3:])
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elif path.startswith('src/'):
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return path_no_prefix(path[4:])
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else:
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return path
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def isources(directory):
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for root, dirs, files in os.walk(directory):
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for f in files:
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if not (f.endswith('.h') or f.endswith('.cc')):
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continue
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yield path_no_prefix(os.path.relpath(os.path.join(root, f), V8_BASE))
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def iflatten(obj):
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if isinstance(obj, dict):
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for value in obj.values():
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for i in iflatten(value):
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yield i
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elif isinstance(obj, list):
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for value in obj:
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for i in iflatten(value):
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yield i
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elif isinstance(obj, basestring):
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yield path_no_prefix(obj)
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def iflatten_gyp_file(gyp_file):
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"""Overaproximates all values in the gyp file.
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Iterates over all string values recursively. Removes '../' path prefixes.
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"""
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with open(gyp_file) as f:
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return iflatten(eval(f.read()))
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def iflatten_gn_file(gn_file):
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"""Overaproximates all values in the gn file.
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Iterates over all double quoted strings.
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"""
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with open(gn_file) as f:
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for line in f.read().splitlines():
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match = re.match(r'.*"([^"]*)".*', line)
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if match:
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yield path_no_prefix(match.group(1))
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def icheck_values(values, *source_dirs):
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for source_file in itertools.chain(
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*[isources(source_dir) for source_dir in source_dirs]
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):
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if source_file not in values:
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yield source_file
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gyp_values = set(itertools.chain(
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*[iflatten_gyp_file(gyp_file) for gyp_file in GYP_FILES]
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))
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print "----------- Files not in gyp: ------------"
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for i in sorted(icheck_values(gyp_values, V8_SRC_BASE, V8_INCLUDE_BASE)):
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print i
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gn_values = set(iflatten_gn_file(os.path.join(V8_BASE, 'BUILD.gn')))
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print "\n----------- Files not in gn: -------------"
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for i in sorted(icheck_values(gn_values, V8_SRC_BASE, V8_INCLUDE_BASE)):
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print i
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