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bd79a2eb2d
* tool/compile_prelude.rb: needs srcdir. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@14272 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
96 lines
2.3 KiB
Ruby
96 lines
2.3 KiB
Ruby
# This file is interpreted by $(BASERUBY) and miniruby.
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# $(BASERUBY) is used for miniprelude.c.
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# miniruby is used for prelude.c.
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# Since $(BASERUBY) may be older than Ruby 1.9,
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# Ruby 1.9 feature should not be used.
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$:.unshift(File.expand_path("../..", __FILE__))
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preludes = ARGV.dup
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outfile = preludes.pop
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C_ESC = {
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"\\" => "\\\\",
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'"' => '\"',
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"\n" => '\n',
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}
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0x00.upto(0x1f) {|ch| C_ESC[[ch].pack("C")] ||= "\\x%02x" % ch }
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0x7f.upto(0xff) {|ch| C_ESC[[ch].pack("C")] = "\\x%02x" % ch }
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C_ESC_PAT = Regexp.union(*C_ESC.keys)
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def c_esc(str)
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'"' + str.gsub(C_ESC_PAT) { C_ESC[$&] } + '"'
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end
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mkconf = nil
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setup_ruby_prefix = nil
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teardown_ruby_prefix = nil
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lines_list = preludes.map {|filename|
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lines = []
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need_ruby_prefix = false
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File.readlines(filename).each {|line|
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line.gsub!(/RbConfig::CONFIG\["(\w+)"\]/) {
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key = $1
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unless mkconf
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require 'rbconfig'
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mkconf = RbConfig::MAKEFILE_CONFIG.merge('prefix'=>'#{TMP_RUBY_PREFIX}')
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setup_ruby_prefix = "TMP_RUBY_PREFIX = $:.reverse.find{|e|e!=\".\"}.sub(%r{(.*)/lib/.*}m, \"\\\\1\")\n"
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teardown_ruby_prefix = 'Object.class_eval { remove_const "TMP_RUBY_PREFIX" }'
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end
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if RbConfig::MAKEFILE_CONFIG.has_key? key
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val = RbConfig.expand("$(#{key})", mkconf)
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need_ruby_prefix = true if /\A\#\{TMP_RUBY_PREFIX\}/ =~ val
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c_esc(val)
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else
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"nil"
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end
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}
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lines << c_esc(line)
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}
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setup_lines = []
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if need_ruby_prefix
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setup_lines << c_esc(setup_ruby_prefix)
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lines << c_esc(teardown_ruby_prefix)
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end
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[setup_lines, lines]
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}
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require 'tool/serb'
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tmp = ''
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eval(serb(<<'EOS', 'tmp'))
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#include "ruby/ruby.h"
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#include "vm_core.h"
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! preludes.zip(lines_list).each_with_index {|(prelude, (setup_lines, lines)), i|
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static const char prelude_name<%i%>[] = <%c_esc(File.basename(prelude))%>;
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static const char prelude_code<%i%>[] =
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! (setup_lines+lines).each {|line|
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<%line%>
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! }
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;
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! }
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void
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Init_prelude(void)
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{
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! lines_list.each_with_index {|(setup_lines, lines), i|
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rb_iseq_eval(rb_iseq_compile(
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rb_str_new(prelude_code<%i%>, sizeof(prelude_code<%i%>) - 1),
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rb_str_new(prelude_name<%i%>, sizeof(prelude_name<%i%>) - 1),
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INT2FIX(<%1-setup_lines.length%>)));
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! }
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#if 0
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! preludes.length.times {|i|
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puts(prelude_code<%i%>);
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! }
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#endif
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}
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EOS
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open(outfile, 'w'){|f|
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f << tmp
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}
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