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-rw-r--r--readme.md7
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@@ -51,13 +51,6 @@ instead of ``build.sh``.
 The ``koch`` tool is the Nim build tool, more ``koch`` related options are
 documented in [doc/koch.rst](doc/koch.rst).
 
-To complete the installation you should also build Nim's tools like
-``nimsuggest``, ``nimble`` or ``nimgrep``:
-
-```
-nim e install_tools.nims
-```
-
 
 ## Nimble
 [Nimble](https://github.com/nim-lang/nimble) is Nim's package manager. For the
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07 00:31:03 +0100 use new nimble file format to make Nim's version DRY' href='/ahoang/Nim/commit/compiler.nimble?h=devel&id=a17d996be9a7dd9086a1a4707486dd6b213ed632'>a17d996be ^ 
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pre { line-height: 125%; }
td.linenos .normal { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
span.linenos { color: inherit; background-color: transparent; padding-left: 5px; padding-right: 5px; }
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.highlight .hll { background-color: #ffffcc }
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.highlight .ch { color: #888888 } /* Comment.Hashbang */
.highlight .cm { color: #888888 } /* Comment.Multiline */
.highlight .cp { color: #cc0000; font-weight: bold } /* Comment.Preproc */
.highlight .cpf { color: #888888 } /* Comment.PreprocFile */
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.highlight .cs { color: #cc0000; font-weight: bold; background-color: #fff0f0 } /* Comment.Special */
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import tables

type
  EmptyPromise* = ref object of RootObj
    cb: (proc())
    next: EmptyPromise
    opaque: pointer

  Promise*[T] = ref object of EmptyPromise
    res: T
    get: GetValueProc[T]

  GetValueProc[T] = (proc(opaque: pointer, res: var T))

  PromiseMap* = object
    tab: Table[int, EmptyPromise]
    opaque*: pointer

proc newPromiseMap*(opaque: pointer): PromiseMap =
  return PromiseMap(
    opaque: opaque
  )

proc addPromise*[T](map: var PromiseMap, id: int, get: GetValueProc[T]): Promise[T] =
  let promise = Promise[T](get: get, opaque: map.opaque)
  map.tab[id] = promise
  return promise

proc addEmptyPromise*(map: var PromiseMap, id: int): EmptyPromise =
  let promise = EmptyPromise(opaque: map.opaque)
  map.tab[id] = promise
  return promise

proc resolve*(promise: EmptyPromise) =
  var promise = promise
  while true:
    if promise.cb != nil:
      promise.cb()
    promise.cb = nil
    promise = promise.next
    if promise == nil:
      break
    promise.next = nil

proc resolve*[T](promise: Promise[T], res: T) =
  if promise.cb != nil:
    if promise.get != nil:
      promise.get(promise.opaque, promise.res)
      promise.get = nil
    promise.res = res
    promise.resolve()

proc resolve*(map: var PromiseMap, promiseid: int) =
  var promise: EmptyPromise
  if map.tab.pop(promiseid, promise):
    promise.resolve()

func empty*(map: PromiseMap): bool =
  map.tab.len == 0

proc then*(promise: EmptyPromise, cb: (proc())): EmptyPromise {.discardable.} =
  if promise == nil: return
  promise.cb = cb
  promise.next = EmptyPromise()
  return promise.next

proc then*[T](promise: Promise[T], cb: (proc(x: T))): EmptyPromise {.discardable.} =
  if promise == nil: return
  return promise.then(proc() =
    if promise.get != nil:
      promise.get(promise.opaque, promise.res)
      promise.get = nil
    cb(promise.res))

proc then*[T](promise: EmptyPromise, cb: (proc(): Promise[T])): Promise[T] {.discardable.} =
  if promise == nil: return
  let next = Promise[T]()
  promise.then(proc() =
    let p2 = cb()
    if p2 != nil:
      p2.then(proc(x: T) =
        next.res = x
        next.resolve()))
  return next

proc then*[T](promise: Promise[T], cb: (proc(x: T): EmptyPromise)): EmptyPromise {.discardable.} =
  if promise == nil: return
  let next = EmptyPromise()
  promise.then(proc(x: T) =
    let p2 = cb(x)
    if p2 != nil:
      p2.then(proc() =
        next.resolve()))
  return next

proc then*[T, U](promise: Promise[T], cb: (proc(x: T): Promise[U])): Promise[U] {.discardable.} =
  if promise == nil: return
  let next = Promise[U]()
  promise.then(proc(x: T) =
    let p2 = cb(x)
    if p2 != nil:
      p2.then(proc(y: U) =
        next.res = y
        next.resolve()))
  return next
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2025-01-24 19:55:36 +0000