Re: Are there any tools that can compare two source files

"R. L. Watkins" <RLWatkins@CompuServe.Com> wrote in message news:01-12-103...
> It seems that SG might be looking for something less than a test of
> semantic equivalence. "Syntactic equivalence" might be determined by
> turning both programs into ASTs to which some normalization rules
> could be applied before comparison.
>
> > > I am looking for some tool which is more than simple text diff. I am


At gatekeeper.dec.com in the old comp.sources.unix stuff,
from the 29 meg index file of the site...
86.12.01 00:00 19k /pub/usenet/comp.sources.unix/volume3/sim.Z
86.12.01 00:00 6k /pub/usenet/comp.sources.unix/volume4/sim2.Z


Which I had looked at a while ago, so I have this handy...


echo Extracting \R\E\A\D\_\M\E
sed 's/^X//' > \R\E\A\D\_\M\E << '+ END-OF-FILE '\R\E\A\D\_\M\E
XSat Jan 11 15:47:16 1986
X
XThis program tests for similar (or equal) stretches in one or more C-programs.
XSee sim.1
X
XTo compile, call "make", which will generate one executable called sim, and
Xwill run two small tests to show sample output.
X
XTo install, examine the Makefile and reset BINDIR and MANDIR to sensible
Xpaths, and call "make install"
X
XTo change the default run size or the page width, adjust the file params.h
Xand recompile.
X
XTo add another language X, write a file X.l along the lines of clang.l,
Xextend the Makefile and recompile. All knowledge about C in located in
Xclang.l; the rest of the programs expect each C lexical unit to be a single
Xcharacter.
X
X Dick Grune
X Vrije Universiteit
X de Boelelaan 1081
X 1081 HV Amsterdam
X the Netherlands
X ..!mcvax!vu44!dick
X dick@vu44.UUCP


Rick Hohensee
rickh@capaccess.org

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