|References for lexing Fortran with Sale's Algorithm? firstname.lastname@example.org (Steven Bosscher) (2002-11-20)|
|From:||"Steven Bosscher" <email@example.com>|
|Date:||20 Nov 2002 15:29:30 -0500|
|Posted-Date:||20 Nov 2002 15:29:30 EST|
Does anybody have a pointer to Sale's Algorithm for prelexing Fortran?
Something for F90 would be great, but the modified algorithm for F77
would be a good start.
The algorithm modified for F77 was published in 1991 (it was wrong,
BTW :-). Unfortunately I can't find the paper, and I can't find it or
the algorithm on the net either.
Hope someone can help,
[I wrote an F77 subset parser in 1988 and put in the ftp archive at
ftp://ftp.iecc.com/pub/file/ftn-grammar.gz. With the documented
exception of array declarations that look like function definitions, I
think it does everything in Sale's list. I wrote a full commercial
f77 compiler in the early 1980s and figured it all out. Ugh. -John]
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