Looking for a front-end of a FORTRAN-Compiler

Hello,


I'm looking for a possibility to parse a FORTRAN-program. I know
already that the program, which is to be parsed, is correct. But
I need an internal representation of such a program so that I can
manipulate it in my way. Therefore I would be pleased if anyone
could tell me from where I can get a front-end of a FORTRAN-77-compiler.
As an alternative for a whole front-end a lex and a yacc file for a
FORTRAN-parser would do the same job. I hope that I needn't transform a
standard grammar for FORTRAN into yacc-form since this can be much
work.
Thanks (at least for reading) and Ciao


          Martin


--
Martin Griebl , University of Passau, Germany
    E-Mail: griebl@platon.fmi.uni-passau.de
    Phone : + 49 - 851 - 70310
[I already suggested that he look at f2c. -John]
--

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