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make var string return var char w/ BackwardsIndex (#15461)

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* make var string return var char w/ BackwardsIndex

fixes #14497

* work around VM bug
* properly workaround again
This commit is contained in:
hlaaftana 2020-11-12 13:44:21 +03:00 • committed by GitHub
commit 527e792827
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3 changed files with 11 additions and 3 deletions
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6
lib/pure/pathnorm.nim
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@ -69,7 +69,7 @@ proc addNormalizePath*(x: string; result: var string; state: var int;
while hasNext(it, x):
let b = next(it, x)
if (state shr 1 == 0) and isSlash(x, b):
if result.len == 0 or result[^1] notin {DirSep, AltSep}:
if result.len == 0 or result[result.len - 1] notin {DirSep, AltSep}:
result.add dirSep
state = state or 1
elif isDotDot(x, b):
@ -87,13 +87,13 @@ proc addNormalizePath*(x: string; result: var string; state: var int;
setLen(result, d-1)
dec state, 2
else:
if result.len > 0 and result[^1] notin {DirSep, AltSep}:
if result.len > 0 and result[result.len - 1] notin {DirSep, AltSep}:
result.add dirSep
result.add substr(x, b[0], b[1])
elif isDot(x, b):
discard "discard the dot"
elif b[1] >= b[0]:
if result.len > 0 and result[^1] notin {DirSep, AltSep}:
if result.len > 0 and result[result.len - 1] notin {DirSep, AltSep}:
result.add dirSep
result.add substr(x, b[0], b[1])
inc state, 2