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Diffstat (limited to 'sample/exyacc.rb')
| -rw-r--r-- | sample/exyacc.rb | 22 |
1 files changed, 22 insertions, 0 deletions
diff --git a/sample/exyacc.rb b/sample/exyacc.rb new file mode 100644 index 0000000000..ad6191c03d --- /dev/null +++ b/sample/exyacc.rb @@ -0,0 +1,22 @@ +#! /usr/local/bin/ruby -Cn +# 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('\*/', "\003\003") + gsub("/\\*[^\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 |