Unable to compile protos with nested messages of the same name

[schmichael]

Google's protoc can compile the following just fine as the duplicate message Xs are in different enclosing messages:

message A {
    optional B b = 1;
    optional C c = 2;

    message B {
        optional X x = 1;
        message X {
            optional bool wat = 1;
        }
    }
    message C {
        optional X x = 1;
        message X {
            optional bool wat = 1;
        }
    }
}

palm 0.1.2 produces the following:

p.proto...                                                            [FAIL]
Traceback (most recent call last):
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/main.py", line 24, in run
    r = parser.parse(source)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/baseparser.py", line 32, in parse
    return processor( value, data )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 32, in __call__
    result = dispatchList( self, tags, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 63, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 88, in message_body
    return dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 63, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 88, in message_body
    return dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 63, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 83, in message_label
    raise ProtoParseError(start, stop, buffer, "message %s already defined" % self.current_message)
ProtoParseError: [line 1] message 2-X already defined

palm 0.1.5 produces the following:

p.proto...                                                            [FAIL]
Traceback (most recent call last):
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/main.py", line 36, in run
    r = parser.parse(source)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/baseparser.py", line 32, in parse
    return processor( value, data )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 32, in __call__
    result = dispatchList( self, tags, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 81, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 106, in message_body
    return dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 81, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 106, in message_body
    return dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 81, in message
    dispatchList(self, subtags, buffer)
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 59, in dispatchList
    return map( dispatch, [source]*len(taglist), taglist, [buffer]*len(taglist))
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/simpleparse/dispatchprocessor.py", line 54, in dispatch
    return function( tag, buffer )
  File "/home/schmichael/src/ua/pyreactor-client/lib/python2.6/site-packages/palm/palmc/parse.py", line 101, in message_label
    raise ProtoParseError(start, stop, buffer, "message %s already defined" % self.current_message)
ProtoParseError: [line 1] message 2-X already defined