diff options
Diffstat (limited to 'ruby_1_8_5/sample/exyacc.rb')
| -rw-r--r-- | ruby_1_8_5/sample/exyacc.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/ruby_1_8_5/sample/exyacc.rb b/ruby_1_8_5/sample/exyacc.rb new file mode 100644 index 0000000000..5818825e25 --- /dev/null +++ b/ruby_1_8_5/sample/exyacc.rb @@ -0,0 +1,22 @@ +#! /usr/local/bin/ruby -Kn +# 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 $_ +end |