Re: T diagrams in compilers

Our moderator writes:
>But what's a T diagram? -John]

It's a graphical way of showing what compiles what to give what in a
complex compiler bootstrapping sequence. The classic example -- and
possibly the only time T diagrams actually saw non-trivial use :-) -- is
the elaborate sequence that spreads over the endpapers of the ancient tome
"A Compiler Generator", by McKeeman, Horning, and Wortman (1970), showing
how the XPL compiler was bootstrapped.
--
spsystems.net is temporarily off the air; | Henry Spencer
mail to henry at zoo.utoronto.ca instead. | henry@xxxxxxxxxxxxx

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