зеркало из https://github.com/github/ruby.git
55 строки
1.3 KiB
C
55 строки
1.3 KiB
C
%# -*- c -*-
|
|
#include "ruby/ruby.h"
|
|
<%
|
|
class String
|
|
def tr_cpp
|
|
strip.upcase.tr_s("^A-Z0-9_*", "_").tr_s("*", "P")
|
|
end
|
|
end
|
|
headers = Hash.new {[]}
|
|
sizes = {}
|
|
types = ARGF.grep(/^\s*RUBY_CHECK_SIZEOF\((\w[^\[\],#]*)[^#]*\)|
|
|
^\s*RUBY_DEFINT\((\w[^\[\],#]*)[^#]*\)|
|
|
^\s*have_type\('(.+?)'(?:,\s*%w\[(.+)\])?\)/x) do
|
|
sizes[type = $3] = true
|
|
hdrs = $4 and hdrs.split.each {|h| headers[h] <<= type}
|
|
type || $+
|
|
end
|
|
conditions = {
|
|
"long long" => 'defined(HAVE_TRUE_LONG_LONG)',
|
|
}
|
|
%>
|
|
% headers.each do |h, type|
|
|
#if <%= type.map {|t| "defined(HAVE_TYPE_#{t.tr_cpp})"}.join(' || ') %>
|
|
# include <<%= h %>>
|
|
#endif
|
|
|
|
% end
|
|
extern void Init_limits(void);
|
|
void
|
|
Init_sizeof(void)
|
|
{
|
|
VALUE s = rb_hash_new();
|
|
rb_define_const(rb_define_module("RbConfig"), "SIZEOF", s);
|
|
|
|
#define DEFINE(type, size) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(SIZEOF_##size))
|
|
#define DEFINE_SIZE(type) rb_hash_aset(s, rb_str_new_cstr(#type), INT2FIX(sizeof(type)))
|
|
|
|
% types.each do |type|
|
|
% if sizes[type]
|
|
#ifdef HAVE_TYPE_<%= type.tr_cpp %>
|
|
DEFINE_SIZE(<%= type %>);
|
|
#endif
|
|
% next
|
|
% end
|
|
% cond = conditions[type]
|
|
#if SIZEOF_<%= type.tr_cpp %> != 0<%= " && #{cond}" if cond %>
|
|
DEFINE(<%= type %>, <%= type.tr_cpp %>);
|
|
#endif
|
|
% end
|
|
OBJ_FREEZE(s);
|
|
|
|
#undef DEFINE
|
|
Init_limits();
|
|
}
|