diff options
Diffstat (limited to 'lib/system.nim')
| -rw-r--r-- | lib/system.nim | 22 |
1 files changed, 17 insertions, 5 deletions
diff --git a/lib/system.nim b/lib/system.nim index 06c4f103b..b8aa170ea 100644 --- a/lib/system.nim +++ b/lib/system.nim @@ -1523,7 +1523,6 @@ const hasAlloc = (hostOS != "standalone" or not defined(nogc)) and not defined(n when not defined(JS) and not defined(nimscript) and hostOS != "standalone": include "system/cgprocs" when not defined(JS) and not defined(nimscript) and hasAlloc: - proc setStackBottom(theStackBottom: pointer) {.compilerRtl, noinline, benign.} proc addChar(s: NimString, c: char): NimString {.compilerProc, benign.} proc add *[T](x: var seq[T], y: T) {.magic: "AppendSeqElem", noSideEffect.} @@ -2639,6 +2638,11 @@ when not defined(nimscript) and hasAlloc: proc GC_unref*(x: string) {.magic: "GCunref", benign.} ## see the documentation of `GC_ref`. + when not defined(JS) and not defined(nimscript) and hasAlloc: + proc nimGC_setStackBottom*(theStackBottom: pointer) {.compilerRtl, noinline, benign.} + ## Expands operating GC stack range to `theStackBottom`. Does nothing + ## if current stack bottom is already lower than `theStackBottom`. + else: template GC_disable* = {.warning: "GC_disable is a no-op in JavaScript".} @@ -2898,16 +2902,16 @@ when not defined(JS): #and not defined(nimscript): # WARNING: This is very fragile! An array size of 8 does not work on my # Linux 64bit system. -- That's because the stack direction is the other # way round. - when declared(setStackBottom): + when declared(nimGC_setStackBottom): var locals {.volatile.}: pointer locals = addr(locals) - setStackBottom(locals) + nimGC_setStackBottom(locals) proc initStackBottomWith(locals: pointer) {.inline, compilerproc.} = # We need to keep initStackBottom around for now to avoid # bootstrapping problems. - when declared(setStackBottom): - setStackBottom(locals) + when declared(nimGC_setStackBottom): + nimGC_setStackBottom(locals) {.push profiler: off.} var @@ -3443,6 +3447,14 @@ when not defined(nimNoArrayToString): ## generic ``$`` operator for arrays that is lifted from the components collectionToString(x, "[", ", ", "]") +proc `$`*[T](x: openarray[T]): string = + ## generic ``$`` operator for openarrays that is lifted from the components + ## of `x`. Example: + ## + ## .. code-block:: nim + ## $(@[23, 45].toOpenArray(0, 1)) == "[23, 45]" + collectionToString(x, "[", ", ", "]") + proc quit*(errormsg: string, errorcode = QuitFailure) {.noReturn.} = ## a shorthand for ``echo(errormsg); quit(errorcode)``. echo(errormsg) |