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author | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-26 14:19:50 +0000 |
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committer | yugui <yugui@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2008-07-26 14:19:50 +0000 |
commit | 232e6592149d8fae60b148797fcb5d315472f7e5 (patch) | |
tree | 5285e9eb81171b42a8ae2772b1dd2166ff3443b9 /sample | |
parent | 1f9fce063fe800a7954e607c51fb2041237f9e66 (diff) | |
download | ruby-232e6592149d8fae60b148797fcb5d315472f7e5.tar.gz |
* sample/exyacc.rb: fixed NoMethodError(Kernel#sub!).
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
Diffstat (limited to 'sample')
-rw-r--r-- | sample/exyacc.rb | 32 |
1 files changed, 15 insertions, 17 deletions
diff --git a/sample/exyacc.rb b/sample/exyacc.rb index 5818825e25..c96ebfd676 100644 --- a/sample/exyacc.rb +++ b/sample/exyacc.rb @@ -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 |