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ruby--ruby/tool/ruby_vm/scripts/converter.rb
shyouhei e2b7cb9d32 new insns.def format (2nd try)
- Gave up @j comments
- Room for sp_inc to be a proper grammer element

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61782 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
2018-01-12 08:38:07 +00:00

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Ruby

# This script was needed only once when I converted the old insns.def.
# Consider historical.
#
# ruby converter.rb insns.def | sponge insns.def
BEGIN { $str = ARGF.read }
END { puts $str }
# deal with spaces
$str.gsub! %r/\r\n|\r|\n|\z/, "\n"
$str.gsub! %r/([^\t\n]*)\t/ do
x = $1
y = 8 - x.length % 8
next x + ' ' * y
end
$str.gsub! %r/\s+$/, "\n"
# deal with comments
$str.gsub! %r/@c.*?@e/m, ''
$str.gsub! %r/@j.*?\*\//m, '*/'
$str.gsub! %r/\n(\s*\n)+/, "\n\n"
$str.gsub! %r/\/\*\*?\s*\n\s*/, "/* "
$str.gsub! %r/\n\s+\*\//, " */"
$str.gsub! %r/^(?!.*\/\*.+\*\/$)(.+?)\s*\*\//, "\\1\n */"
# deal with sp_inc
$str.gsub! %r/ \/\/ inc -= (.*)/, ' // inc += -\\1'
$str.gsub! %r/\s+\/\/ inc \+= (.*)/, "\n// attr rb_snum_t sp_inc = \\1;"
$str.gsub! %r/;;$/, ";"