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1 #!/usr/bin/env ruby | |
2 | |
3 # Copyright (C) 2012 Apple Inc. All rights reserved. | |
4 # | |
5 # Redistribution and use in source and binary forms, with or without | |
6 # modification, are permitted provided that the following conditions | |
7 # are met: | |
8 # 1. Redistributions of source code must retain the above copyright | |
9 # notice, this list of conditions and the following disclaimer. | |
10 # 2. Redistributions in binary form must reproduce the above copyright | |
11 # notice, this list of conditions and the following disclaimer in the | |
12 # documentation and/or other materials provided with the distribution. | |
13 # | |
14 # THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' | |
15 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | |
16 # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | |
17 # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS | |
18 # BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR | |
19 # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF | |
20 # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS | |
21 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN | |
22 # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) | |
23 # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF | |
24 # THE POSSIBILITY OF SUCH DAMAGE. | |
25 | |
26 # This script checks that the given headers in the framework build product do | |
27 # not contain Platform.h and Compiler.h macros such as PLATFORM, COMPILER, etc. | |
28 # This is meant to limit the exposure of the WTF headers, ensuring that if | |
29 # clients include these headers they would not also need WTF's Platform.h. | |
30 | |
31 base_directory = ENV['TARGET_BUILD_DIR'] or throw "Unable to find TARGET_BUILD_D
IR in the environment!" | |
32 project_name = ENV['PROJECT_NAME'] or throw "Unable to find PROJECT_NAME in the
environment!" | |
33 $is_shallow_bundle = (ENV['SHALLOW_BUNDLE'] || "NO").upcase == "YES" | |
34 | |
35 $error_printed = false | |
36 | |
37 def print_error(msg) | |
38 $error_printed = true | |
39 STDERR.puts "ERROR: #{msg}" | |
40 end | |
41 | |
42 def framework_headers_for_path(framework, path) | |
43 full_path = File.join Dir.pwd, framework, $is_shallow_bundle ? "" : "Versions/
A/", path | |
44 if File.directory? full_path | |
45 Dir.glob "#{full_path}/**/*.h" | |
46 elsif File.exists? full_path | |
47 [full_path] | |
48 else | |
49 print_error "path '#{full_path}' for argument '#{path}' does not exist." | |
50 [] # Return an empty list so we can continue to check the other paths. | |
51 end | |
52 end | |
53 | |
54 def verify_macros_in_header(header) | |
55 File.open(header) do |file| | |
56 file.each_line.with_index do |line, index| | |
57 # Check for the common macros from Platform.h and Compiler.h. | |
58 # NOTE: Negative lookahead (?!error) prevents matching "#error WebKit was
not available prior to Mac OS X 10.2". | |
59 # NOTE: Negative lookahead (?!:2) prevents matching OS2 in macros like "de
fined(__OS2__)". | |
60 if match = /^\s*#(?!error).*?\b(PLATFORM|CPU|HAVE|OS(?!2)|USE|ENABLE|COMPI
LER)/.match(line) | |
61 print_error "'#{header}:#{index+1}' included forbidden macro '#{match[1]
}' => '#{line.chomp}'" | |
62 end | |
63 end | |
64 end | |
65 end | |
66 | |
67 | |
68 Dir.chdir base_directory | |
69 | |
70 framework = "#{project_name}.framework" | |
71 ARGV.each do |path| | |
72 framework_headers_for_path(framework, path).each do |header| | |
73 verify_macros_in_header(header) | |
74 end | |
75 end | |
76 | |
77 exit 1 if $error_printed | |
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