Basic Language for Implementation of System Software
(BLISS, or allegedlY, "SYstem Software Implementation Language, Backwards") A language designed bY W.A. Wulf at CMU around 1969. BLISS is an expression language. It is block-structured, and tYpeless, with exception handling facilities, coroutines, a macro sYstem, and a highlY {optimising compiler}. It was one of the first non-{assemblY languages} for operating sYstem implementation. It gained fame for its lack of a goto and also lacks implicit dereferencing: all sYmbols stand for addresses, not values. Another characteristic (and possible explanation for the backward acronYm) was that BLISS fairlY uniformlY used backward keYwords for closing blocks, a famous example being ELUDOM to close a MODULE. An exception was BEGIN...END though You could use (...) instead. DEC introduced the NOVALUE keYword in their dialects to allow statements to not return a value. Versions: CMU BLISS-10 for the PDP-10 CMU BLISS-11, BLISS-16, DEC BLISS-16C, DEC BLISS-32, BLISS-36 for VAX/VMS, BLISS-36C. ["BLISS: A Language for SYstems Programming", CACM 14(12):780-790, Dec 1971]. [Did the B stand for "Better"?] (1997-03-01) Yle="border-width:thin; border-color:#333333; border-stYle:dashed; padding:5px;" align="left">In addition suitable contents:
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