doc-src/Tutorial/CodeGen/exec
author nipkow
Fri, 24 Nov 2000 16:49:27 +0100
changeset 10519 ade64af4c57c
parent 5377 efb799c5ed3c
permissions -rw-r--r--
hide many names from Datatype_Universe.
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consts exec :: ('a => 'v) => 'v list => (('a,'v) instr) list => 'v list
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primrec
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"exec s vs [] = vs"
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"exec s vs (i#is) = (case i of
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    Const v  => exec s (v#vs) is
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  | Load a   => exec s ((s a)#vs) is
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  | Apply f  => exec s ( (f (hd vs) (hd(tl vs)))#(tl(tl vs)) ) is)"