ANSI <--> K&R conversion utilities -- WANTED

[Marshall Cline]

In all likelihood we'll all be living in the transition from K&R to ANSI-C
for a long while.  Like most of us (probably), I've written a macro package
that converts prototypes for ANSI/K&R compatibility.  However this is only
a partial fix.  What I'd really like is a real program that filters a K&R
module and spits out an ANSI module (and another filter for the vise versa
operation).  I can see a number of things this/these filter[s] would need
to do, including:

(1) Convert between K&R & ANSI prototypes in function _DEFINITIONS_.  Ex:
	ANSI:	double myfunct(int i, int j) {...
	K&R:	double myfunct(i, j) {int i, j; ...

(2) Convert between K&R & ANSI prototypes in function _DECLARATIONS_.  Ex:
	ANSI:	double myfunct(int i, int j);
	K&R:	double myfunct();

(3) In the case of "int" functions, many ANSI prototypes would have to be
    added to the code before they are called (starting to get messy).  Ex:
    if "myfunct(x, y)" is called in the K&R code but isn't declared
    previously, it could be assumed to return an "int", and its parameter
    types could presumably be figured out, resulting in an ANSI prototype:
	int myfunct(foo_t param1, bar_t param2);

(4) When converting from ANSI to K&R, the "automatic cast" facilities
    provided by the prototypes would have to be changed to "explicit casts".
    Ex: If "myfunct()" accepts a "long", and "i" is an "int", then the
    ANSI code "myfunct(i)" would have to be translated to "myfunct((long)i)"
    for the K&R compilers.

(5) In the reverse of (4), explicit casts to parameter types might be
    removable when K&R code is translated to ANSI.  See example just above.

(6) The names of the <standard> header files could be changed/added/removed.

(7) The variable argument schemes are different, so the code associated with
    <varargs.h> and <stdarg.h> conversions could be made.

(8) ???Other required features???

Anyone written anything like this/these?
E-mail responses & I'll post a summary if there's enuf interest.
Marshall
--
	________________________________________________________________
	Marshall P. Cline	ARPA:	cline at sun.soe.clarkson.edu
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