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Paper Details

  title = "{A}nother {S}ide of {SP}o{C}: occam's {ALT}er {E}go {D}issected with {PC}-lint",
  author= "Teig, √ėyvind",
  editor= "Cook, Barry M.",
  pages = "19--36",
  booktitle= "{P}roceedings of {W}o{TUG}-22: {A}rchitectures, {L}anguages and {T}echniques for {C}oncurrent {S}ystems",
  isbn= "90 5199 480 X",
  year= "1999",
  month= "mar",
  abstract= "26500 lines of Standard C (ANSI C) generated from occam
     sources by the Southampton Portable occam Compiler (SPoC)
     has been analysed by the static analysis tool PC-lint. The
     target machine is a TMS320C32 DSP where all (the supported)
     C\'s primitive data types are mapped to 32 bit read and
     writes. This architecture stretches \"ANSI\" C
     quite a bit, but the \"portable\" occam compiler
     promised to handle it. Even if we had experienced no
     problems with the generated code and it compiled with all
     error handling enabled, we had to insert some 15-20
     different global PC-lint filters plus local filters via
     in-line C in the occam sources. This was in addition to the
     base-level filters we also used for hand-written C. It kept
     PC-lint quiet, for individual C files as well as
     \"global wrap up\". By discussing each individual
     filter we arrive at the conclusion that none hid errors in
     the generated C. The analysis revealed a few points where
     the occam language definition could have been made stricter.
     We would like to PC-lint the generated sources with fewer
     messages disabled - changes to SPoC are therefore suggested.
     Altogether SPoC seems to have passed this test quite well.
     Even if we have no expertise to modify the (open) SPoC
     sources, this report could be considered as contributing to
     a prospective \"Bazaar\" development model - to
     bring forward an even more robust compiler for a portable
     and perhaps prospering occam language."

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