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* sample/exyacc.rb: fixed NoMethodError(Kernel#sub!).

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replaced use of special variables with explicit IO
  operations.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@18227 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2008-07-26 14:19:50 +00:00
parent 1f9fce063f
commit 232e659214
2 changed files with 21 additions and 17 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Sat Jul 26 22:45:18 2008 Yuki Sonoda (Yugui) <yugui@yugui.jp>
* sample/exyacc.rb: fixed NoMethodError(Kernel#sub!).
replaced use of special variables with explicit IO
operations.
Sat Jul 26 21:17:18 2008 Masaki Suketa <masaki.suketa@nifty.ne.jp>
* ext/win32ole/win32ole.c (Init_win32ole): add

32
sample/exyacc.rb
View file

@ -2,21 +2,19 @@
# usage: exyacc.rb [yaccfiles]
# this is coverted from exyacc.pl in the camel book
$/ = nil
while gets()
sbeg = $_.index("\n%%") + 1
send = $_.rindex("\n%%") + 1
$_ = $_[sbeg, send-sbeg]
sub!(/.*\n/, "")
gsub!(/'\{'/, "'\001'")
gsub!(/'\}'/, "'\002'")
gsub!(%r{\*/}, "\003\003")
gsub!(%r{/\*[^\003]*\003\003}, '')
while gsub!(/\{[^{}]*\}/, ''); end
gsub!(/'\001'/, "'{'")
gsub!(/'\002'/, "'}'")
while gsub!(/^[ \t]*\n(\s)/, '\1'); end
gsub!(/([:|])[ \t\n]+(\w)/, '\1 \2')
print $_
ARGF.each(nil) do |source|
sbeg = source.index("\n%%") + 1
send = source.rindex("\n%%") + 1
grammer = source[sbeg, send-sbeg]
grammer.sub!(/.*\n/, "")
grammer.gsub!(/'\{'/, "'\001'")
grammer.gsub!(/'\}'/, "'\002'")
grammer.gsub!(%r{\*/}, "\003\003")
grammer.gsub!(%r{/\*[^\003]*\003\003}, '')
while grammer.gsub!(/\{[^{}]*\}/, ''); end
grammer.gsub!(/'\001'/, "'{'")
grammer.gsub!(/'\002'/, "'}'")
while grammer.gsub!(/^[ \t]*\n(\s)/, '\1'); end
grammer.gsub!(/([:|])[ \t\n]+(\w)/, '\1 \2')
print grammer
end