XPL - Stanford, 1967-69. Small dialect of PL/I used for compiler writing.
One-dimensional arrays. I/O achieved with character pseudo-variable INPUT
and OUTPUT, e.g. OUTPUT = This is a line; Inline machine code.
"Programmers are given all the rope they ask for. Novices tend to hang
themselves fairly frequently." Implemented on IBM 360, Univac 1100, ICL
System 4, CDC6000 and Cyber series, XDS Sigma-5 and Sigma-7, and DEC PDP-
10. "A Compiler Generator," W.M. McKeeman et al, P-H 1970. Also JCC,
AFIPS 1968.
Comments, Experience, Additions
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