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From: jon@csvax.caltech.edu (Jonathan P. Leech)
Newsgroups: net.unix-wizards
Subject: Parse-tree driven diff
Message-ID: <1423@brl-smoke.ARPA>
Date: Sat, 1-Mar-86 05:48:32 EST
Article-I.D.: brl-smok.1423
Posted: Sat Mar  1 05:48:32 1986
Date-Received: Mon, 3-Mar-86 00:38:15 EST
Sender: news@brl-smoke.ARPA
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    Does  anyone  out  there  know  of	a  'diff'-like	program  which
compares the parse trees of C source code? I am faced  with  the  task
of merging two copies of a fairly large (~30000) lines	program  which
have diverged significantly over several years,  to  the  point  where
diff will spew out almost the  entire  files  -  yet  the  same  basic
structure is still there.
    In the (unlikely) event of positive responses, I'll  summarize  to
the net.
	Thanks,
	Jon Leech (jon@csvax.caltech.edu || seismo!cit-vax!jon)
	__@/