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ruby--ruby/ext/etc/mkconstants.rb
kazu b9d8758e26 {ext,test}/etc: Specify frozen_string_literal: true.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@57451 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2017-01-29 01:35:23 +00:00

332 lines
6.1 KiB
Ruby

# frozen_string_literal: true
require 'optparse'
require 'erb'
C_ESC = {
"\\" => "\\\\",
'"' => '\"',
"\n" => '\n',
}
0x00.upto(0x1f) {|ch| C_ESC[[ch].pack("C")] ||= "\\%03o" % ch }
0x7f.upto(0xff) {|ch| C_ESC[[ch].pack("C")] = "\\%03o" % ch }
C_ESC_PAT = Regexp.union(*C_ESC.keys)
def c_str(str)
'"' + str.gsub(C_ESC_PAT) {|s| C_ESC[s]} + '"'
end
opt = OptionParser.new
opt.def_option('-h', 'help') {
puts opt
exit 0
}
opt_o = nil
opt.def_option('-o FILE', 'specify output file') {|filename|
opt_o = filename
}
opt_H = nil
opt.def_option('-H FILE', 'specify output header file') {|filename|
opt_H = filename
}
opt.parse!
h = {}
COMMENTS = {}
DATA.each_line {|s|
next if /\A\s*(\#|\z)/ =~ s
name, default_value, comment = s.chomp.split(/\s+/, 3)
default_value = nil if default_value == 'nil'
if h.has_key? name
warn "#{$.}: warning: duplicate name: #{name}"
next
end
h[name] = default_value
COMMENTS[name] = comment if comment
}
DEFS = h.to_a
def each_const
DEFS.each {|name, default_value|
yield name, default_value
}
end
def each_name(pat)
DEFS.each {|name, default_value|
next if pat !~ name
yield name
}
end
ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_decls")
% each_const {|name, default_value|
#if !defined(<%=name%>)
# if defined(HAVE_CONST_<%=name.upcase%>)
# define <%=name%> <%=name%>
%if default_value
# else
# define <%=name%> <%=default_value%>
%end
# endif
#endif
% }
EOS
ERB.new(<<'EOS', nil, '%').def_method(Object, "gen_const_defs")
% each_const {|name, default_value|
#if defined(<%=name%>)
% if comment = COMMENTS[name]
/* <%=comment%> */
% end
rb_define_const(mod, <%=c_str name.sub(/\A_*/, '')%>, INTEGER2NUM(<%=name%>));
#endif
% }
EOS
header_result = ERB.new(<<'EOS', nil, '%').result(binding)
/* autogenerated file */
<%= gen_const_decls %>
EOS
result = ERB.new(<<'EOS', nil, '%').result(binding)
/* autogenerated file */
#ifdef HAVE_LONG_LONG
#define INTEGER2NUM(n) \
(FIXNUM_MAX < (n) ? ULL2NUM(n) : \
FIXNUM_MIN > (LONG_LONG)(n) ? LL2NUM(n) : \
LONG2FIX(n))
#else
#define INTEGER2NUM(n) \
(FIXNUM_MAX < (n) ? ULONG2NUM(n) : \
FIXNUM_MIN > (long)(n) ? LONG2NUM(n) : \
LONG2FIX(n))
#endif
static void
init_constants(VALUE mod)
{
<%= gen_const_defs %>
}
EOS
if opt_H
File.open(opt_H, 'w') {|f|
f << header_result
}
else
result = header_result + result
end
if opt_o
File.open(opt_o, 'w') {|f|
f << result
}
else
$stdout << result
end
__END__
# SUSv4
_SC_AIO_LISTIO_MAX
_SC_AIO_MAX
_SC_AIO_PRIO_DELTA_MAX
_SC_ARG_MAX
_SC_ATEXIT_MAX
_SC_BC_BASE_MAX
_SC_BC_DIM_MAX
_SC_BC_SCALE_MAX
_SC_BC_STRING_MAX
_SC_CHILD_MAX
_SC_CLK_TCK
_SC_COLL_WEIGHTS_MAX
_SC_DELAYTIMER_MAX
_SC_EXPR_NEST_MAX
_SC_HOST_NAME_MAX
_SC_IOV_MAX
_SC_LINE_MAX
_SC_LOGIN_NAME_MAX
_SC_NGROUPS_MAX
_SC_GETGR_R_SIZE_MAX
_SC_GETPW_R_SIZE_MAX
_SC_MQ_OPEN_MAX
_SC_MQ_PRIO_MAX
_SC_OPEN_MAX
_SC_ADVISORY_INFO
_SC_BARRIERS
_SC_ASYNCHRONOUS_IO
_SC_CLOCK_SELECTION
_SC_CPUTIME
_SC_FSYNC
_SC_IPV6
_SC_JOB_CONTROL
_SC_MAPPED_FILES
_SC_MEMLOCK
_SC_MEMLOCK_RANGE
_SC_MEMORY_PROTECTION
_SC_MESSAGE_PASSING
_SC_MONOTONIC_CLOCK
_SC_PRIORITIZED_IO
_SC_PRIORITY_SCHEDULING
_SC_RAW_SOCKETS
_SC_READER_WRITER_LOCKS
_SC_REALTIME_SIGNALS
_SC_REGEXP
_SC_SAVED_IDS
_SC_SEMAPHORES
_SC_SHARED_MEMORY_OBJECTS
_SC_SHELL
_SC_SPAWN
_SC_SPIN_LOCKS
_SC_SPORADIC_SERVER
_SC_SS_REPL_MAX
_SC_SYNCHRONIZED_IO
_SC_THREAD_ATTR_STACKADDR
_SC_THREAD_ATTR_STACKSIZE
_SC_THREAD_CPUTIME
_SC_THREAD_PRIO_INHERIT
_SC_THREAD_PRIO_PROTECT
_SC_THREAD_PRIORITY_SCHEDULING
_SC_THREAD_PROCESS_SHARED
_SC_THREAD_ROBUST_PRIO_INHERIT
_SC_THREAD_ROBUST_PRIO_PROTECT
_SC_THREAD_SAFE_FUNCTIONS
_SC_THREAD_SPORADIC_SERVER
_SC_THREADS
_SC_TIMEOUTS
_SC_TIMERS
_SC_TRACE
_SC_TRACE_EVENT_FILTER
_SC_TRACE_EVENT_NAME_MAX
_SC_TRACE_INHERIT
_SC_TRACE_LOG
_SC_TRACE_NAME_MAX
_SC_TRACE_SYS_MAX
_SC_TRACE_USER_EVENT_MAX
_SC_TYPED_MEMORY_OBJECTS
_SC_VERSION
_SC_V7_ILP32_OFF32
_SC_V7_ILP32_OFFBIG
_SC_V7_LP64_OFF64
_SC_V7_LPBIG_OFFBIG
_SC_V6_ILP32_OFF32
_SC_V6_ILP32_OFFBIG
_SC_V6_LP64_OFF64
_SC_V6_LPBIG_OFFBIG
_SC_2_C_BIND
_SC_2_C_DEV
_SC_2_CHAR_TERM
_SC_2_FORT_DEV
_SC_2_FORT_RUN
_SC_2_LOCALEDEF
_SC_2_PBS
_SC_2_PBS_ACCOUNTING
_SC_2_PBS_CHECKPOINT
_SC_2_PBS_LOCATE
_SC_2_PBS_MESSAGE
_SC_2_PBS_TRACK
_SC_2_SW_DEV
_SC_2_UPE
_SC_2_VERSION
_SC_PAGE_SIZE
_SC_PAGESIZE
_SC_THREAD_DESTRUCTOR_ITERATIONS
_SC_THREAD_KEYS_MAX
_SC_THREAD_STACK_MIN
_SC_THREAD_THREADS_MAX
_SC_RE_DUP_MAX
_SC_RTSIG_MAX
_SC_SEM_NSEMS_MAX
_SC_SEM_VALUE_MAX
_SC_SIGQUEUE_MAX
_SC_STREAM_MAX
_SC_SYMLOOP_MAX
_SC_TIMER_MAX
_SC_TTY_NAME_MAX
_SC_TZNAME_MAX
_SC_XOPEN_CRYPT
_SC_XOPEN_ENH_I18N
_SC_XOPEN_REALTIME
_SC_XOPEN_REALTIME_THREADS
_SC_XOPEN_SHM
_SC_XOPEN_STREAMS
_SC_XOPEN_UNIX
_SC_XOPEN_UUCP
_SC_XOPEN_VERSION
# non-standard
_SC_PHYS_PAGES
_SC_AVPHYS_PAGES
_SC_NPROCESSORS_CONF
_SC_NPROCESSORS_ONLN
_SC_CPUSET_SIZE
# SUSv4
_CS_PATH
_CS_POSIX_V7_ILP32_OFF32_CFLAGS
_CS_POSIX_V7_ILP32_OFF32_LDFLAGS
_CS_POSIX_V7_ILP32_OFF32_LIBS
_CS_POSIX_V7_ILP32_OFFBIG_CFLAGS
_CS_POSIX_V7_ILP32_OFFBIG_LDFLAGS
_CS_POSIX_V7_ILP32_OFFBIG_LIBS
_CS_POSIX_V7_LP64_OFF64_CFLAGS
_CS_POSIX_V7_LP64_OFF64_LDFLAGS
_CS_POSIX_V7_LP64_OFF64_LIBS
_CS_POSIX_V7_LPBIG_OFFBIG_CFLAGS
_CS_POSIX_V7_LPBIG_OFFBIG_LDFLAGS
_CS_POSIX_V7_LPBIG_OFFBIG_LIBS
_CS_POSIX_V7_THREADS_CFLAGS
_CS_POSIX_V7_THREADS_LDFLAGS
_CS_POSIX_V7_WIDTH_RESTRICTED_ENVS
_CS_V7_ENV
_CS_POSIX_V6_ILP32_OFF32_CFLAGS
_CS_POSIX_V6_ILP32_OFF32_LDFLAGS
_CS_POSIX_V6_ILP32_OFF32_LIBS
_CS_POSIX_V6_ILP32_OFFBIG_CFLAGS
_CS_POSIX_V6_ILP32_OFFBIG_LDFLAGS
_CS_POSIX_V6_ILP32_OFFBIG_LIBS
_CS_POSIX_V6_LP64_OFF64_CFLAGS
_CS_POSIX_V6_LP64_OFF64_LDFLAGS
_CS_POSIX_V6_LP64_OFF64_LIBS
_CS_POSIX_V6_LPBIG_OFFBIG_CFLAGS
_CS_POSIX_V6_LPBIG_OFFBIG_LDFLAGS
_CS_POSIX_V6_LPBIG_OFFBIG_LIBS
_CS_POSIX_V6_WIDTH_RESTRICTED_ENVS
_CS_V6_ENV
# non-standard
_CS_GNU_LIBC_VERSION
_CS_GNU_LIBPTHREAD_VERSION
# SUSv4
_PC_FILESIZEBITS
_PC_LINK_MAX
_PC_MAX_CANON
_PC_MAX_INPUT
_PC_NAME_MAX
_PC_PATH_MAX
_PC_PIPE_BUF
_PC_2_SYMLINKS
_PC_ALLOC_SIZE_MIN
_PC_REC_INCR_XFER_SIZE
_PC_REC_MAX_XFER_SIZE
_PC_REC_MIN_XFER_SIZE
_PC_REC_XFER_ALIGN
_PC_SYMLINK_MAX
_PC_CHOWN_RESTRICTED
_PC_NO_TRUNC
_PC_VDISABLE
_PC_ASYNC_IO
_PC_PRIO_IO
_PC_SYNC_IO
_PC_TIMESTAMP_RESOLUTION