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Mini Shell
Mini Shell
#!/usr/bin/env ruby
require 'pp'
SEARCH_PATHS = [
"src",
"src/agent",
"src/cxx_supportlib",
"src/cxx_supportlib/vendor-copy",
"src/cxx_supportlib/vendor-modified/websocketpp",
"src/cxx_supportlib/vendor-modified",
"test/cxx"
]
SCAN_FILES = Dir[
"src/**/*.{c,cpp,h,hpp}",
"test/oxt/**/*.{c,cpp,h,hpp}",
"test/cxx/**/*.{c,cpp,h,hpp}"
]
EXCLUDE_FILES = Dir[
"src/cxx_supportlib/vendor-copy/**/*",
"src/cxx_supportlib/vendor-modified/**/*"
]
EXCLUDE_FILES_INDEX = Hash[EXCLUDE_FILES.map { |v| [v, true] }]
EXCLUDE_NAMES = %w{
string
vector
map
list
set
exception
utility
stdexcept
iterator
iostream
ostream
sstream
fstream
algorithm
iomanip
ios
memory
new
unordered_map
typeinfo
deque
queue
limits
hash_map
ext/hash_map
cctype
cassert
cstdio
cstdlib
cstddef
cstdarg
cstring
ctime
csignal
cmath
cerrno
climits
stdio.h
stdio_ext.h
stdlib.h
stdint.h
stddef.h
string.h
limits.h
ctype.h
assert.h
errno.h
time.h
alloca.h
features.h
cxxabi.h
unistd.h
signal.h
pthread.h
pwd.h
port.h
grp.h
fcntl.h
sched.h
execinfo.h
poll.h
dirent.h
utime.h
libgen.h
netdb.h
Availability.h
selinux/selinux.h
BaseTsd.h
libkern/OSAtomic.h
httpd.h
unixd.h
nginx.h
util_script.h
ev++.h
ev.h
uv.h
zlib.h
version.h
}
EXCLUDE_NAMES_INDEX = Hash[EXCLUDE_NAMES.map { |v| [v, true] }]
EXCLUDE_NAME_REGEXP = %r{
^(
sys/
|mach/
|netinet/
|inet/
|vm/
|arpa/
|linux/
|tr1/
|curl/
|openssl/
|CoreFoundation/
|Security/
|ruby
|apr_
|ap_
|http_
|ngx_
).+
}x
def extract_dependencies(source)
result = []
File.open(source, "r") do |f|
f.each do |line|
next if line !~ /^\s*#include (<.+?>|".+?")/
raw_name = $1
name = raw_name.gsub(/["<>]/, "")
next if name_excluded?(name)
if raw_name =~ /"(.+)"/
dependency = search_include_file($1, File.dirname(source))
elsif raw_name =~ /<(.+)>/
dependency = search_include_file($1)
else
STDERR.puts "Warning: ignoring invalid include statement in #{source}: #{line.strip}"
dependency = nil
end
if dependency
if !EXCLUDE_FILES_INDEX.has_key?(dependency)
result << dependency
end
else
STDERR.puts "Warning: cannot find include file #{raw_name} (referenced from #{source})"
end
end
end
result.sort!
result.uniq!
result
end
def search_include_file(name, first_search_path = nil)
if first_search_path
search_paths = [first_search_path] + SEARCH_PATHS
else
search_paths = SEARCH_PATHS
end
search_paths.each do |path|
if File.exist?("#{path}/#{name}")
result = File.expand_path("#{path}/#{name}")
result.sub!(/\A#{Regexp.escape(Dir.pwd)}\//, '')
return result
end
end
nil
end
def name_excluded?(name)
EXCLUDE_NAMES_INDEX.has_key?(name) || EXCLUDE_NAME_REGEXP =~ name
end
def generate_basic_map
result = {}
(SCAN_FILES - EXCLUDE_FILES).each do |source_file|
result[source_file] = extract_dependencies(source_file)
end
result
end
def gather_all_dependencies_recursively(source_file, basic_map, result)
deps = basic_map[source_file]
if deps
deps.each do |dep|
if !result[dep]
result[dep] = true
gather_all_dependencies_recursively(dep, basic_map, result)
end
end
end
end
def generate_full_map_for(source_file, basic_map)
gather_results = {}
gather_all_dependencies_recursively(
source_file, basic_map, gather_results)
result = gather_results.keys
result.sort!
result
end
def generate_full_map(basic_map)
result = {}
basic_map.keys.sort.each do |source_file|
result[source_file] = generate_full_map_for(source_file, basic_map)
end
result
end
result = generate_full_map(generate_basic_map)
puts "# Autogenerated by dev/index_cxx_dependencies.rb"
puts "CXX_DEPENDENCY_MAP ="
PP.pp(result, STDOUT, 1)
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