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Held Friday, November 13, 1998
Notes
str = "hello"
MEM
operation).
Frame
module.
And
and Or
to
If
.
And
, you branch based on the
first part of the And
. If it's true, you do the
second part of the And
. If the first part is false,
you branch to the false label.
Or
, you again branch based on the
first part of the Or
. If the first part is true, you
branch to the true label. If the first part is false, you branch to
the second half of the Or
.
translate(IfExp(int pos, Abs.Exp test, Abs.Exp texp, Abs.Exp fexp)) = Label tlab = new Label(); Label flab = new Label(); Label endlab = new Label(); Tree.Exp cond = translate(test); Tree.Exp tcode = translate(texp); Tree.Exp fcode = translate(fexp); return SEQ(cond.cx(tlab,flab), SEQ(Label(tlab), SEQ(tcode, SEQ(JUMP(Name endlab), ExpList(endlab, null), SEQ(Label(flab), SEQ(fcode, SEQ(JUMP(Name endlab), ExpList(endlab, null), SEQ(Label(endlab) ))))))))
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