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lisp
lis.pl
Commits
fd9cb067
Commit
fd9cb067
authored
Jun 25, 2015
by
Juergen Nickelsen
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subseq, substr, sublist + test 034; doseq with start & end
parent
8fa1f30c
Changes
2
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Showing
2 changed files
with
86 additions
and
12 deletions
+86
-12
Fundamental.lisp
Fundamental.lisp
+37
-12
tests/034-subseq.lisp
tests/034-subseq.lisp
+49
-0
No files found.
Fundamental.lisp
View file @
fd9cb067
...
...
@@ -152,24 +152,49 @@
(
eval
resultform
)))
(
defspecial
doseq
(
formargs
&rest
body
)
"(doseq (loopvar seq
resultform
) . body)"
(
let
((
var
(
car
formargs
))
(
seq
(
eval
(
cadr
formargs
)
))
resultform
)
(
let
((
list
(
if
(
stringp
seq
)
(
split-string
""
seq
)
seq
))
)
(
when
(
consp
(
cddr
formargs
)
)
(
setq
resultform
(
caddr
formargs
)))
(
while
(
consp
list
)
(
set
var
(
pop
list
))
"(doseq (loopvar seq
[resultform [start [end]]]
) . body)"
(
let
*
((
var
(
car
formargs
))
(
start
(
or
(
cadddr
formargs
)
0
))
(
end
(
car
(
cddddr
formargs
))
)
(
seq
(
eval
(
subseq
(
cadr
formargs
)
start
))
)
((
resultform
(
caddr
formargs
))
)
((
doseq-list
(
if
(
stringp
seq
)
(
split-string
""
seq
)
seq
)
)))
(
while
(
consp
doseq-
list
)
(
set
var
(
pop
doseq-
list
))
(
eval-list
body
))
(
eval
resultform
)))
)
(
eval
resultform
)))
(
defun
sequencep
(
object
)
"return t if OBJECT is a sequence (list or string), nil else"
(
or
(
listp
object
)
(
stringp
object
)))
(
defun
sublist
(
l
start
&optional
end
)
"return a sublist of L bounded by START end END"
;; (format t "(sublist %s %s %s)\n" l start end)
(
if
(
null
l
)
nil
(
if
(
null
end
)
(
if
(
<=
start
0
)
l
(
sublist
(
cdr
l
)
(
1-
start
)))
(
if
(
<=
end
0
)
nil
(
if
(
<=
start
0
)
(
cons
(
car
l
)
(
sublist
(
cdr
l
)
0
(
1-
end
)))
(
sublist
(
cdr
l
)
(
1-
start
)
(
1-
end
)))))))
(
defun
substr
(
str
start
&optional
end
)
"return a substring of STR bounded by START end END"
(
apply
#'
string
(
sublist
(
split-string
str
""
)
start
end
)))
(
defun
subseq
(
seq
start
&optional
end
)
"return a copy of the subsequence of SEQ bounded by START and END"
(
cond
((
listp
seq
)
(
sublist
seq
start
end
))
((
stringp
seq
)
(
substr
seq
start
end
))
(
t
(
error
"subseq: not a sequence: %s"
seq
))))
(
defun
atom
(
ob
)
"return true if OBJECT is an atom, i.e. not a pair"
...
...
tests/034-subseq.lisp
0 → 100644
View file @
fd9cb067
(
testcmp
"substr 0"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
)
'
(
m
a
d
r
i
g
a
l
))
(
testcmp
"sublist 2"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
)
'
(
d
r
i
g
a
l
))
(
testcmp
"sublist 10"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
)
())
(
testcmp
"sublist 0 0"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
0
)
())
(
testcmp
"sublist 2 0"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
0
)
())
(
testcmp
"sublist 10 0"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
0
)
())
(
testcmp
"sublist 0 1"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
1
)
'
(
m
))
(
testcmp
"sublist 2 1"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
1
)
())
(
testcmp
"sublist 10 1"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
1
)
())
(
testcmp
"sublist 0 2"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
2
)
'
(
m
a
))
(
testcmp
"sublist 2 2"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
2
)
())
(
testcmp
"sublist 10 2"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
2
)
())
(
testcmp
"sublist 0 5"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
5
)
'
(
m
a
d
r
i
))
(
testcmp
"sublist 2 5"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
5
)
'
(
d
r
i
))
(
testcmp
"sublist 10 5"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
5
)
())
(
testcmp
"sublist 0 15"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
0
15
)
'
(
m
a
d
r
i
g
a
l
))
(
testcmp
"sublist 2 15"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
2
15
)
'
(
d
r
i
g
a
l
))
(
testcmp
"sublist 10 15"
'
(
sublist
'
(
m
a
d
r
i
g
a
l
)
10
15
)
())
(
testcmp
"substr 0"
'
(
substr
"madrigal"
0
)
"madrigal"
)
(
testcmp
"substr 2"
'
(
substr
"madrigal"
2
)
"drigal"
)
(
testcmp
"substr 10"
'
(
substr
"madrigal"
10
)
""
)
(
testcmp
"substr 0 0"
'
(
substr
"madrigal"
0
0
)
""
)
(
testcmp
"substr 2 0"
'
(
substr
"madrigal"
2
0
)
""
)
(
testcmp
"substr 10 0"
'
(
substr
"madrigal"
10
0
)
""
)
(
testcmp
"substr 0 1"
'
(
substr
"madrigal"
0
1
)
"m"
)
(
testcmp
"substr 2 1"
'
(
substr
"madrigal"
2
1
)
""
)
(
testcmp
"substr 10 1"
'
(
substr
"madrigal"
10
1
)
""
)
(
testcmp
"substr 0 2"
'
(
substr
"madrigal"
0
2
)
"ma"
)
(
testcmp
"substr 2 2"
'
(
substr
"madrigal"
2
2
)
""
)
(
testcmp
"substr 10 2"
'
(
substr
"madrigal"
10
2
)
""
)
(
testcmp
"substr 0 5"
'
(
substr
"madrigal"
0
5
)
"madri"
)
(
testcmp
"substr 2 5"
'
(
substr
"madrigal"
2
5
)
"dri"
)
(
testcmp
"substr 10 5"
'
(
substr
"madrigal"
10
5
)
""
)
(
testcmp
"substr 0 15"
'
(
substr
"madrigal"
0
15
)
"madrigal"
)
(
testcmp
"substr 2 15"
'
(
substr
"madrigal"
2
15
)
"drigal"
)
(
testcmp
"substr 10 15"
'
(
substr
"madrigal"
10
15
)
""
)
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