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moderate system cleanup & refactor (#20355)

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* system refactor, move out 600 lines

* compilation, slice, backwardsindex, misc_num moved out of system
* some procs/types moved into arithmetics, basic_types
* system no longer depends on syncio
* some procs moved around to fit with their surroundings

* make exceptions an import, old ops to misc_num

* move instantiationInfo back

* move back nim version, fix windows echo

* include compilation

* better docs for imported modules, fix unsigned ops

also remove ze, ze64, toU8, toU16, toU32 with nimPreviewSlimSystem

* fix terminal

* workaround IC test & weird csize bug, changelog

* move NimMajor etc back to compilation, rebase for CI

* try ic fix

* form single `indices`, slim out TaintedString, try fix IC

* fix CI, update changelog, addQuitProc

* fix CI

* try fix CI

* actually fix CI finally hopefully

* Update lib/system/compilation.nim

Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>

* update kochdocs

* hopefully fix csize uses for slimsystem

* fix tquit

Co-authored-by: ringabout <43030857+ringabout@users.noreply.github.com>
This commit is contained in:
metagn 2022-09-28 22:28:45 +03:00 • committed by GitHub
commit 919a889ba8
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37 changed files with 1167 additions and 1102 deletions
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8
lib/pure/memfiles.nim
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@ -317,9 +317,9 @@ when defined(posix) or defined(nimdoc):
raiseOSError(osLastError())
when defined(linux): #Maybe NetBSD, too?
#On Linux this can be over 100 times faster than a munmap,mmap cycle.
proc mremap(old: pointer; oldSize, newSize: csize; flags: cint):
proc mremap(old: pointer; oldSize, newSize: csize_t; flags: cint):
pointer {.importc: "mremap", header: "<sys/mman.h>".}
let newAddr = mremap(f.mem, csize(f.size), csize(newFileSize), cint(1))
let newAddr = mremap(f.mem, csize_t(f.size), csize_t(newFileSize), cint(1))
if newAddr == cast[pointer](MAP_FAILED):
raiseOSError(osLastError())
else:
@ -412,7 +412,7 @@ iterator memSlices*(mfile: MemFile, delim = '\l', eat = '\r'): MemSlice {.inline
## inc(count)
## echo count
proc c_memchr(cstr: pointer, c: char, n: csize): pointer {.
proc c_memchr(cstr: pointer, c: char, n: csize_t): pointer {.
importc: "memchr", header: "<string.h>".}
proc `-!`(p, q: pointer): int {.inline.} = return cast[int](p) -% cast[int](q)
var ms: MemSlice
@ -420,7 +420,7 @@ iterator memSlices*(mfile: MemFile, delim = '\l', eat = '\r'): MemSlice {.inline
ms.data = mfile.mem
var remaining = mfile.size
while remaining > 0:
ending = c_memchr(ms.data, delim, remaining)
ending = c_memchr(ms.data, delim, csize_t(remaining))
if ending == nil: # unterminated final slice
ms.size = remaining # Weird case..check eat?
yield ms