Re: Bliss-11

Mark Mickelsen <mark.mickelsen@comcast.net> wrote:
>Is there a Yacc grammar for Bliss-11 available?


    These documents might be useful:
      http://www.fh-jena.de/~kleine/history/languages/BlissLanguageGuide.pdf
      http://www.fh-jena.de/~kleine/history/languages/BlissPocketGuide.pdf


    They appear to have reasonably detailed syntax definitions for the
    various BLISS dialects. It would be straightforward to produce an
    input grammar from this for your favorite parser generator.


> Has anyone ever done anything about getting a Bliss-11 compiler
>running on anything besides a PDP-10? I still think it is one of the
>best SIL's ever written and I would like to have a version that runs
>on my PC. I would like to have multiple code generation modules
>which will generate code for various microprocessors. I'm sure I'll
>have to do some code writing for these modules so I'm looking for any
>information available for the compiler.


    It wouldn't be too difficult to write a BLISS-* frontend for
    the GNU compiler, as there is now a standard AST/IL that one can
    target. This also means you'll get a full optimizer and numerous
    back-ends "for free", so you won't have to write that yourself.
    You could do the same with another infrastructure such as LLVM,
    although LLVM has support for fewer target machines.
[I don't know of any place to get a grammar, but I have the source code
for Bliss-11 at ftp://ftp.iecc.com/pub/file/bliss.tar.gz -John]

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