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authoraamine <aamine@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-09-12 17:34:30 +0000
committeraamine <aamine@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2004-09-12 17:34:30 +0000
commitc971589817150d1850b06a49e11d11edfc489bbf (patch)
tree49ad381864fc0561cc3844ecb05600ae5dbb649b /ext/ripper/tools/preproc.rb
parent5bea219a9d95e58a1b2ad77637776a8e0cade1bf (diff)
* ext/ripper: ripper extention added.
* ext/ripper/MANIFEST: new file. * ext/ripper/README: new file. * ext/ripper/depend: new file. * ext/ripper/extconf.rb: new file. * ext/ripper/eventids2.c: new file. * ext/ripper/ripper.rb.in: new file. * ext/ripper/lib/ripper.rb: new file. * ext/ripper/test/check-event-arity.rb: new file. * ext/ripper/test/check-event-coverage.sh: new file. * ext/ripper/test/check-scanner-event-coverage.rb: new file. * ext/ripper/test/list-called-events.rb: new file. * ext/ripper/test/src_rb: new file. * ext/ripper/test/validate.rb: new file. * ext/ripper/tools/generate-eventids1.rb: new file. * ext/ripper/tools/generate-param-macros.rb: new file. * ext/ripper/tools/generate-ripper_rb.rb: new file. * ext/ripper/tools/list-parse-event-ids.rb: new file. * ext/ripper/tools/list-scan-event-ids.rb: new file. * ext/ripper/tools/preproc.rb: new file. * ext/ripper/tools/strip.rb: new file. * test/ripper: ripper tests added. * test/ripper/dummyparser.rb: new file. * test/ripper/test_parser_events.rb: new file. * test/ripper/test_scanner_events.rb: new file. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6891 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'ext/ripper/tools/preproc.rb')
-rwxr-xr-xext/ripper/tools/preproc.rb57
1 files changed, 57 insertions, 0 deletions
diff --git a/ext/ripper/tools/preproc.rb b/ext/ripper/tools/preproc.rb
new file mode 100755
index 0000000000..a2dba36e02
--- /dev/null
+++ b/ext/ripper/tools/preproc.rb
@@ -0,0 +1,57 @@
+def main
+ prelude
+ grammar
+ usercode
+end
+
+def prelude
+ while line = ARGF.gets
+ case line
+ when %r</\*%%%\*/>
+ puts '/*'
+ when %r</\*%>
+ puts '*/'
+ when %r<%\*/>
+ puts
+ when /\A%%/
+ puts '%%'
+ return
+ when /\A%token/
+ puts line.sub(/<\w+>/, '<val>')
+ when /\A%type/
+ puts line.sub(/<\w+>/, '<val>')
+ else
+ print line
+ end
+ end
+end
+
+def grammar
+ while line = ARGF.gets
+ case line
+ when %r</\*%%%\*/>
+ puts '#if 0'
+ when %r</\*%c%\*/>
+ puts '/*'
+ when %r</\*%c>
+ puts '*/'
+ when %r</\*%>
+ puts '#endif'
+ when %r<%\*/>
+ puts
+ when /\A%%/
+ puts '%%'
+ return
+ else
+ print line
+ end
+ end
+end
+
+def usercode
+ while line = ARGF.gets
+ print line
+ end
+end
+
+main