SECD machine ==>
Stack Environment Control Dump machine
(SECD machine) The first abstract machine for reducing lambda-calculus
expressions, invented by P. J. Landin. The machine has four registers holding
pointers to linked lists operated as push-down stacks which hold the information
required for the evaluation of an expression. The registers point to (1) Stack
which holds the arguments of partially evaluated expressions and results of
completely evaluated ones, (2) Environment where the current expression being
evaluated is stored, (3) Control which holds the machine instructions that
manipulate the contents of the four registers that represent the expression
being evaluated, (4) Dump on which the state of the machine is temporarily saved
during the evaluation of expressions. See also Lispkit.
Nearby terms:
STAC « stac compression « stack « Stack
Environment Control Dump machine » stack frame »
stacking order » stack loader
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