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Implement llList2ListSlice

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This commit is contained in:
Sei Lisa 2024-04-18 18:08:57 +02:00
parent b7f16900ed
commit 002ef96a9d
3 changed files with 96 additions and 1 deletions
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9
lslopt/lslbasefuncs.py
View file

@ -1448,7 +1448,14 @@ def llList2ListSlice(src, start, end, stride, slice_idx):
end = fi(end)
stride = fi(stride)
slice_idx = fi(slice_idx)
raise ELSLCantCompute # TODO: Implement llList2ListSlice
if stride <= 0 or slice_idx < -stride or slice_idx > stride - 1:
return []
# Resolve exclusion range exactly like llList2List, generating a new list.
# NOTE: This bears improvement, by not making an intermediate new list.
src = InternalGetDeleteSubSequence(src, start, end, isGet=True)
if slice_idx < 0:
slice_idx += stride
return src[slice_idx::stride]
def llList2ListStrided(lst, start, end, stride):
lst = fl(lst)

21
unit_tests/expr.suite/list-funcs-4.lsl Normal file
View file

@ -0,0 +1,21 @@
"T01" + llList2ListSlice([], 0, -1, 1, 0)
+ "T02" + llList2ListSlice([], 0, 0, 1, 0)
+ "T03" + llList2ListSlice([0,1,2,3,4,5,6], 0, 1, 1, 0)
+ "T04" + llList2ListSlice([0,1,2,3,4,5,6], 0, -1, 3, 0)
+ "T05" + llList2ListSlice([0,1,2,3,4,5,6], 0, -1, 3, 1)
+ "T06" + llList2ListSlice([0,1,2,3,4,5,6], 1, -1, 3, 1)
+ "T07" + llList2ListSlice([0,1,2,3,4,5,6], 2, -1, 3, -1)
+ "T08" + llList2ListSlice([0,1,2,3,4,5,6], 4, 2, 1, 0)
+ "T09" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, 0)
+ "T10" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, 1)
+ "T11" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, 2)
+ "T12" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, 3)
+ "T13" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, -1)
+ "T14" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, -2)
+ "T15" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, -3)
+ "T16" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 3, -4)
+ "T17" + llList2ListSlice([0,1,2,3,4,5,6], 0, 5, 1, 0)
+ "T18" + llList2ListSlice([0,1,2,3,4,5,6], 0, -1, -1, 0)
+ "T19" + llList2ListSlice([0,1,2,3,4,5,6], 0, 6, 2, 0)
+ "T20" + llList2ListSlice([0,1,2,3,4,5,6], 0, 7, 2, 0)
+ "T21" + llList2ListSlice([0,1,2,3,4,5,6], 0, -3, 2, 0)

67
unit_tests/expr.suite/list-funcs-4.out Normal file
View file

@ -0,0 +1,67 @@
[ "T01"
, "T02"
, "T03"
, 0
, 1
, "T04"
, 0
, 3
, 6
, "T05"
, 1
, 4
, "T06"
, 2
, 5
, "T07"
, 4
, "T08"
, 0
, 1
, 2
, 4
, 5
, 6
, "T09"
, 0
, 3
, "T10"
, 1
, 4
, "T11"
, 2
, 5
, "T12"
, "T13"
, 2
, 5
, "T14"
, 1
, 4
, "T15"
, 0
, 3
, "T16"
, "T17"
, 0
, 1
, 2
, 3
, 4
, 5
, "T18"
, "T19"
, 0
, 2
, 4
, 6
, "T20"
, 0
, 2
, 4
, 6
, "T21"
, 0
, 2
, 4
]