\ #ident "%Z%%M% %I% %E% SMI"
\ Copyright 2005 Sun Microsystems, Inc. All rights reserved.
\ Use is subject to license terms.
\
\ CDDL HEADER START
\
\ The contents of this file are subject to the terms of the
\ Common Development and Distribution License, Version 1.0 only
\ (the "License"). You may not use this file except in compliance
\ with the License.
\
\ You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
\ See the License for the specific language governing permissions
\ and limitations under the License.
\
\ When distributing Covered Code, include this CDDL HEADER in each
\ file and include the License file at usr/src/OPENSOLARIS.LICENSE.
\ If applicable, add the following below this CDDL HEADER, with the
\ fields enclosed by brackets "[]" replaced with your own identifying
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\ CDDL HEADER END
\
." Interactive begin .. while .. repeat: "
" no loop (1) " 1 begin 0 while 1- repeat .passed?
" loop to 0 (1)" 9 begin dup while 1- repeat 0= .passed?
cr
." Compiled begin .. while .. repeat: "
: btest1 1 begin 0 while 1- repeat .passed? ;
: btest2 9 begin dup while 1- repeat 0= .passed? ;
" no loop (2) " btest1
" loop to 0 (2)" btest2
cr
." Interactive begin..until: "
" no loop (3)" 1 begin dup until .passed?
" loop to 0 (3)" 9 begin 1- dup 0= until 0= .passed?
cr
." Compiled begin..until: "
: btest3 1 begin dup until .passed? ;
: btest4 9 begin 1- dup 0= until 0= .passed? ;
" no loop (4)" btest3
" loop to 0 (4)" btest4
cr
." Interactive do .. loop: "
" loop (1)" 0 h# 10 0 do drop i loop h# f = .passed?
" no loop (1)" 1 0 0 ?do 1- loop .passed?
" leave (1)" h# 10 0 do i 5 = if 1 leave drop 0 then loop .passed?
cr
." Compiled do .. loop: "
: loop1 do drop i loop h# f = .passed? ;
: loop2 ?do 1- loop .passed? ;
: loop3 do i 3 = if drop i leave 0 then loop ;
: loop7 do i 4 = if drop i unloop exit then loop ;
" loop (2)" 0 h# 10 0 loop1
" no loop (2)" 1 0 0 loop2
" leave (2)" 3 4 0 loop3 3 = .passed?
" unloop" 5 6 0 loop7 4 = .passed?
cr
." Interactive do .. +loop: "
" loop by 2" 0 h# 10 0 do drop i 2 +loop h# e = .passed?
" loop down by 2" 0 -2 h# 10 do drop i -2 +loop h# -2 = .passed?
cr
." Compiled do .. +loop: "
: loop4 0 h# 10 0 do drop i 2 +loop h# e = .passed? ;
: loop5 0 -2 h# 10 do drop i -2 +loop -2 = .passed? ;
" loop (4)" loop4
" loop (5)" loop5
cr
." Nested loops: "
: loop6 0 h# 4 0 do 8 0 do 1 j 3 lshift i + lshift xor loop loop ;
" i,j sum" loop6 lwsplit over = swap h# ffff = and .passed?
cr
." Negative Limit Loops: "
" loop.7" h# 10 -37 8 bounds do drop i loop -30 = .passed?
" loop.8" h# 10 -37 -30 do drop i -1 +loop -37 = .passed?
cr
." Compiled begin...again: "
: loop9 begin true exit again false ; loop9 " loop9" rot .passed?
0 value in-count
0 value out-count
: loop10
begin
out-count 1+ to out-count
begin
in-count 10 >= if
exit
then in-count 1+ to in-count
again
-1 to in-count
exit
again
-2 to in-count
;
" loop.10" loop10 in-count 10 = out-count 1 = and .passed?
cr