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|
*preludes, outfile = *ARGV
C_ESC = {
"\\" => "\\\\",
'"' => '\"',
"\n" => '\n',
}
0x00.upto(0x1f) {|ch| C_ESC[[ch].pack("C")] ||= "\\x%02x" % ch }
0x7f.upto(0xff) {|ch| C_ESC[[ch].pack("C")] = "\\x%02x" % ch }
C_ESC_PAT = Regexp.union(*C_ESC.keys)
def c_esc(str)
'"' + str.gsub(C_ESC_PAT) { C_ESC[$&] } + '"'
end
lines_list = preludes.map {|prelude|
lines = []
File.readlines(prelude).each {|line|
line.gsub!(/RbConfig::CONFIG\["(\w+)"\]/) {
require 'rbconfig'
if RbConfig::CONFIG.has_key? $1
c_esc(RbConfig::CONFIG[$1])
else
$&
end
}
lines << c_esc(line)
}
lines
}
open(outfile, 'w'){|f|
f.puts <<'EOS__'
#include "ruby/ruby.h"
#include "vm_core.h"
EOS__
preludes.zip(lines_list).each_with_index {|(prelude, lines), i|
f.puts <<EOS__
static const char prelude_name#{i}[] = "#{File.basename(prelude)}";
static const char prelude_code#{i}[] =
#{lines.join("\n")}
;
EOS__
}
f.puts <<'EOS__'
void
Init_prelude(void)
{
EOS__
preludes.length.times {|i|
f.puts <<EOS__
rb_iseq_eval(rb_iseq_compile(
rb_str_new(prelude_code#{i}, sizeof(prelude_code#{i}) - 1),
rb_str_new(prelude_name#{i}, sizeof(prelude_name#{i}) - 1),
INT2FIX(1)));
EOS__
}
f.puts <<EOS__
#if 0
EOS__
preludes.length.times {|i|
f.puts <<EOS__
puts(prelude_code#{i});
EOS__
}
f.puts <<EOS__
#endif
EOS__
f.puts <<'EOS__'
}
EOS__
}
|
