diff options
Diffstat (limited to 'lib/system/strs_v2.nim')
| -rw-r--r-- | lib/system/strs_v2.nim | 18 |
1 files changed, 12 insertions, 6 deletions
diff --git a/lib/system/strs_v2.nim b/lib/system/strs_v2.nim index e161172b2..404b4f78d 100644 --- a/lib/system/strs_v2.nim +++ b/lib/system/strs_v2.nim @@ -166,7 +166,7 @@ proc setLengthStrV2(s: var NimStringV2, newLen: int) {.compilerRtl.} = s.len = newLen proc nimAsgnStrV2(a: var NimStringV2, b: NimStringV2) {.compilerRtl.} = - if a.p == b.p: return + if a.p == b.p and a.len == b.len: return if isLiteral(b): # we can shallow copy literals: frees(a) @@ -201,9 +201,16 @@ proc prepareMutation*(s: var string) {.inline.} = let s = unsafeAddr s nimPrepareStrMutationV2(cast[ptr NimStringV2](s)[]) +proc nimAddStrV1(s: var NimStringV2; src: NimStringV2) {.compilerRtl, inl.} = + #if (s.p == nil) or (s.len+1 > s.p.cap and not strlitFlag): + prepareAdd(s, src.len) + appendString s, src + +proc nimDestroyStrV1(s: NimStringV2) {.compilerRtl, inl.} = + frees(s) -template capacityImpl(str: NimStringV2): int = - if str.p != nil: str.p.cap else: 0 +proc nimStrAtLe(s: string; idx: int; ch: char): bool {.compilerRtl, inl.} = + result = idx < s.len and s[idx] <= ch func capacity*(self: string): int {.inline.} = ## Returns the current capacity of the string. @@ -213,6 +220,5 @@ func capacity*(self: string): int {.inline.} = str.add "Nim" assert str.capacity == 42 - {.cast(noSideEffect).}: - let str = unsafeAddr self - result = capacityImpl(cast[ptr NimStringV2](str)[]) + let str = cast[ptr NimStringV2](unsafeAddr self) + result = if str.p != nil: str.p.cap and not strlitFlag else: 0 |