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-rw-r--r--lib/core/macros.nim4
-rw-r--r--lib/js/dom.nim44
-rw-r--r--lib/pure/algorithm.nim2
-rw-r--r--lib/pure/asyncfile.nim4
-rw-r--r--lib/pure/collections/tables.nim93
-rw-r--r--lib/pure/dynlib.nim43
-rw-r--r--lib/pure/json.nim12
-rw-r--r--lib/pure/net.nim3
-rw-r--r--lib/pure/times.nim12
-rw-r--r--lib/pure/unittest.nim7
-rw-r--r--lib/pure/xmlparser.nim25
-rw-r--r--lib/system.nim21
-rw-r--r--lib/system/alloc.nim81
-rw-r--r--lib/system/chcks.nim5
-rw-r--r--lib/wrappers/mysql.nim4
-rw-r--r--lib/wrappers/openssl.nim2
16 files changed, 292 insertions, 70 deletions
diff --git a/lib/core/macros.nim b/lib/core/macros.nim
index ed9c304fe..d09f5f933 100644
--- a/lib/core/macros.nim
+++ b/lib/core/macros.nim
@@ -678,7 +678,7 @@ proc astGenRepr*(n: NimNode): string {.compileTime, benign.} =
   ## See also `repr`, `treeRepr`, and `lispRepr`.
 
   const
-    NodeKinds = {nnkEmpty, nnkNilLit, nnkIdent, nnkSym, nnkNone}
+    NodeKinds = {nnkEmpty, nnkNilLit, nnkIdent, nnkSym, nnkNone, nnkCommentStmt}
     LitKinds = {nnkCharLit..nnkInt64Lit, nnkFloatLit..nnkFloat64Lit, nnkStrLit..nnkTripleStrLit}
 
   proc escape(s: string, prefix = "\"", suffix = "\""): string {.noSideEffect.} =
@@ -723,7 +723,7 @@ proc astGenRepr*(n: NimNode): string {.compileTime, benign.} =
     of nnkCharLit: res.add("'" & $chr(n.intVal) & "'")
     of nnkIntLit..nnkInt64Lit: res.add($n.intVal)
     of nnkFloatLit..nnkFloat64Lit: res.add($n.floatVal)
-    of nnkStrLit..nnkTripleStrLit: res.add($n.strVal.escape())
+    of nnkStrLit..nnkTripleStrLit, nnkCommentStmt: res.add($n.strVal.escape())
     of nnkIdent: res.add(($n.ident).escape())
     of nnkSym: res.add(($n.symbol).escape())
     of nnkNone: assert false
diff --git a/lib/js/dom.nim b/lib/js/dom.nim
index 55692d47d..cd7609729 100644
--- a/lib/js/dom.nim
+++ b/lib/js/dom.nim
@@ -45,6 +45,7 @@ type
     location*: Location
     closed*: bool
     defaultStatus*: cstring
+    devicePixelRatio*: float
     innerHeight*, innerWidth*: int
     locationbar*: ref TLocationBar
     menubar*: ref TMenuBar
@@ -53,11 +54,14 @@ type
     pageXOffset*, pageYOffset*: int
     personalbar*: ref TPersonalBar
     scrollbars*: ref TScrollBars
+    scrollX*: float
+    scrollY*: float
     statusbar*: ref TStatusBar
     status*: cstring
     toolbar*: ref TToolBar
     frames*: seq[TFrame]
     screen*: Screen
+    performance*: Performance
 
   Frame* = ref FrameObj
   FrameObj {.importc.} = object of WindowObj
@@ -253,6 +257,8 @@ type
     minHeight*: cstring
     minWidth*: cstring
     overflow*: cstring
+    overflowX*: cstring
+    overflowY*: cstring
     padding*: cstring
     paddingBottom*: cstring
     paddingLeft*: cstring
@@ -400,6 +406,40 @@ type
     once*: bool
     passive*: bool
 
+  BoundingRect* {.importc.} = ref object
+    top*, bottom*, left*, right*, x*, y*, width*, height*: float
+
+  PerformanceMemory* {.importc.} = ref object 
+    jsHeapSizeLimit*: float
+    totalJSHeapSize*: float
+    usedJSHeapSize*: float
+
+  PerformanceTiming* {.importc.} = ref object 
+    connectStart*: float
+    domComplete*: float
+    domContentLoadedEventEnd*: float
+    domContentLoadedEventStart*: float
+    domInteractive*: float
+    domLoading*: float
+    domainLookupEnd*: float
+    domainLookupStart*: float
+    fetchStart*: float
+    loadEventEnd*: float
+    loadEventStart*: float
+    navigationStart*: float
+    redirectEnd*: float
+    redirectStart*: float
+    requestStart*: float
+    responseEnd*: float
+    responseStart*: float
+    secureConnectionStart*: float
+    unloadEventEnd*: float
+    unloadEventStart*: float
+
+  Performance* {.importc.} = ref object
+    memory*: PerformanceMemory
+    timing*: PerformanceTiming
+
 {.push importcpp.}
 
 # EventTarget "methods"
@@ -451,6 +491,7 @@ proc cloneNode*(n: Node, copyContent: bool): Node
 proc deleteData*(n: Node, start, len: int)
 proc getAttribute*(n: Node, attr: cstring): cstring
 proc getAttributeNode*(n: Node, attr: cstring): Node
+proc getBoundingClientRect*(e: Node): BoundingRect
 proc hasChildNodes*(n: Node): bool
 proc insertBefore*(n, newNode, before: Node)
 proc insertData*(n: Node, position: int, data: cstring)
@@ -530,6 +571,9 @@ proc preventDefault*(ev: Event)
 proc identifiedTouch*(list: TouchList): Touch
 proc item*(list: TouchList, i: int): Touch
 
+# Performance "methods"
+proc now*(p: Performance): float
+
 {.pop.}
 
 var
diff --git a/lib/pure/algorithm.nim b/lib/pure/algorithm.nim
index 23a0cdb02..2f7b44b31 100644
--- a/lib/pure/algorithm.nim
+++ b/lib/pure/algorithm.nim
@@ -84,7 +84,7 @@ proc smartBinarySearch*[T](a: openArray[T], key: T): int =
 const
   onlySafeCode = true
 
-proc lowerBound*[T](a: openArray[T], key: T, cmp: proc(x,y: T): int {.closure.}): int =
+proc lowerBound*[T, K](a: openArray[T], key: K, cmp: proc(x: T, k: K): int {.closure.}): int =
   ## same as binarySearch except that if key is not in `a` then this
   ## returns the location where `key` would be if it were. In other
   ## words if you have a sorted sequence and you call
diff --git a/lib/pure/asyncfile.nim b/lib/pure/asyncfile.nim
index 97bec2815..1df7c3fc0 100644
--- a/lib/pure/asyncfile.nim
+++ b/lib/pure/asyncfile.nim
@@ -78,7 +78,10 @@ proc getFileSize*(f: AsyncFile): int64 =
       raiseOSError(osLastError())
     result = (high shl 32) or low
   else:
+    let curPos = lseek(f.fd.cint, 0, SEEK_CUR)
     result = lseek(f.fd.cint, 0, SEEK_END)
+    f.offset = lseek(f.fd.cint, curPos, SEEK_SET)
+    assert(f.offset == curPos)
 
 proc newAsyncFile*(fd: AsyncFd): AsyncFile =
   ## Creates `AsyncFile` with a previously opened file descriptor `fd`.
@@ -281,6 +284,7 @@ proc read*(f: AsyncFile, size: int): Future[string] =
           result = false # We still want this callback to be called.
       elif res == 0:
         # EOF
+        f.offset = lseek(fd.cint, 0, SEEK_CUR)
         retFuture.complete("")
       else:
         readBuffer.setLen(res)
diff --git a/lib/pure/collections/tables.nim b/lib/pure/collections/tables.nim
index c97846f92..7b508b294 100644
--- a/lib/pure/collections/tables.nim
+++ b/lib/pure/collections/tables.nim
@@ -158,6 +158,12 @@ template getOrDefaultImpl(t, key): untyped =
   var index = rawGet(t, key, hc)
   if index >= 0: result = t.data[index].val
 
+template getOrDefaultImpl(t, key, default: untyped): untyped =
+  mixin rawGet
+  var hc: Hash
+  var index = rawGet(t, key, hc)
+  result = if index >= 0: t.data[index].val else: default
+
 proc `[]`*[A, B](t: Table[A, B], key: A): B {.deprecatedGet.} =
   ## retrieves the value at ``t[key]``. If `key` is not in `t`, the
   ## ``KeyError`` exception is raised. One can check with ``hasKey`` whether
@@ -175,10 +181,18 @@ proc mget*[A, B](t: var Table[A, B], key: A): var B {.deprecated.} =
   ## instead.
   get(t, key)
 
-proc getOrDefault*[A, B](t: Table[A, B], key: A): B = getOrDefaultImpl(t, key)
+proc getOrDefault*[A, B](t: Table[A, B], key: A): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## default initialization value for type `B` is returned (e.g. 0 for any
+  ## integer type).
+  getOrDefaultImpl(t, key)
 
-template withValue*[A, B](t: var Table[A, B], key: A,
-                          value, body: untyped) =
+proc getOrDefault*[A, B](t: Table[A, B], key: A, default: B): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, `default`
+  ## is returned.
+  getOrDefaultImpl(t, key, default)
+
+template withValue*[A, B](t: var Table[A, B], key: A, value, body: untyped) =
   ## retrieves the value at ``t[key]``.
   ## `value` can be modified in the scope of the ``withValue`` call.
   ##
@@ -325,8 +339,7 @@ proc initTable*[A, B](initialSize=64): Table[A, B] =
   result.counter = 0
   newSeq(result.data, initialSize)
 
-proc toTable*[A, B](pairs: openArray[(A,
-                    B)]): Table[A, B] =
+proc toTable*[A, B](pairs: openArray[(A, B)]): Table[A, B] =
   ## creates a new hash table that contains the given `pairs`.
   result = initTable[A, B](rightSize(pairs.len))
   for key, val in items(pairs): result[key] = val
@@ -410,7 +423,16 @@ proc mget*[A, B](t: TableRef[A, B], key: A): var B {.deprecated.} =
   ## Use ```[]``` instead.
   t[][key]
 
-proc getOrDefault*[A, B](t: TableRef[A, B], key: A): B = getOrDefault(t[], key)
+proc getOrDefault*[A, B](t: TableRef[A, B], key: A): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## default initialization value for type `B` is returned (e.g. 0 for any
+  ## integer type).
+  getOrDefault(t[], key)
+
+proc getOrDefault*[A, B](t: TableRef[A, B], key: A, default: B): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, `default`
+  ## is returned.
+  getOrDefault(t[], key, default)
 
 proc mgetOrPut*[A, B](t: TableRef[A, B], key: A, val: B): var B =
   ## retrieves value at ``t[key]`` or puts ``val`` if not present, either way
@@ -562,8 +584,15 @@ proc mget*[A, B](t: var OrderedTable[A, B], key: A): var B {.deprecated.} =
   get(t, key)
 
 proc getOrDefault*[A, B](t: OrderedTable[A, B], key: A): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## default initialization value for type `B` is returned (e.g. 0 for any
+  ## integer type).
   getOrDefaultImpl(t, key)
 
+proc getOrDefault*[A, B](t: OrderedTable[A, B], key: A, default: B): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, `default`
+  ## is returned.
+  getOrDefaultImpl(t, key, default)
 
 proc hasKey*[A, B](t: OrderedTable[A, B], key: A): bool =
   ## returns true iff `key` is in the table `t`.
@@ -630,8 +659,7 @@ proc initOrderedTable*[A, B](initialSize=64): OrderedTable[A, B] =
   result.last = -1
   newSeq(result.data, initialSize)
 
-proc toOrderedTable*[A, B](pairs: openArray[(A,
-                           B)]): OrderedTable[A, B] =
+proc toOrderedTable*[A, B](pairs: openArray[(A, B)]): OrderedTable[A, B] =
   ## creates a new ordered hash table that contains the given `pairs`.
   result = initOrderedTable[A, B](rightSize(pairs.len))
   for key, val in items(pairs): result[key] = val
@@ -657,8 +685,7 @@ proc `==`*[A, B](s, t: OrderedTable[A, B]): bool =
     hs = nxts
   return true
 
-proc sort*[A, B](t: var OrderedTable[A, B],
-                 cmp: proc (x,y: (A, B)): int) =
+proc sort*[A, B](t: var OrderedTable[A, B], cmp: proc (x,y: (A, B)): int) =
   ## sorts `t` according to `cmp`. This modifies the internal list
   ## that kept the insertion order, so insertion order is lost after this
   ## call but key lookup and insertions remain possible after `sort` (in
@@ -748,8 +775,16 @@ proc mget*[A, B](t: OrderedTableRef[A, B], key: A): var B {.deprecated.} =
   result = t[][key]
 
 proc getOrDefault*[A, B](t: OrderedTableRef[A, B], key: A): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## default initialization value for type `B` is returned (e.g. 0 for any
+  ## integer type).
   getOrDefault(t[], key)
 
+proc getOrDefault*[A, B](t: OrderedTableRef[A, B], key: A, default: B): B =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, `default`
+  ## is returned.
+  getOrDefault(t[], key, default)
+
 proc mgetOrPut*[A, B](t: OrderedTableRef[A, B], key: A, val: B): var B =
   ## retrieves value at ``t[key]`` or puts ``val`` if not present, either way
   ## returning a value which can be modified.
@@ -802,8 +837,7 @@ proc `==`*[A, B](s, t: OrderedTableRef[A, B]): bool =
   elif isNil(t): result = false
   else: result = s[] == t[]
 
-proc sort*[A, B](t: OrderedTableRef[A, B],
-                 cmp: proc (x,y: (A, B)): int) =
+proc sort*[A, B](t: OrderedTableRef[A, B], cmp: proc (x,y: (A, B)): int) =
   ## sorts `t` according to `cmp`. This modifies the internal list
   ## that kept the insertion order, so insertion order is lost after this
   ## call but key lookup and insertions remain possible after `sort` (in
@@ -916,9 +950,17 @@ proc mget*[A](t: var CountTable[A], key: A): var int {.deprecated.} =
   ctget(t, key)
 
 proc getOrDefault*[A](t: CountTable[A], key: A): int =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, 0 (the
+  ## default initialization value of `int`), is returned.
   var index = rawGet(t, key)
   if index >= 0: result = t.data[index].val
 
+proc getOrDefault*[A](t: CountTable[A], key: A, default: int): int =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## integer value of `default` is returned.
+  var index = rawGet(t, key)
+  result = if index >= 0: t.data[index].val else: default
+
 proc hasKey*[A](t: CountTable[A], key: A): bool =
   ## returns true iff `key` is in the table `t`.
   result = rawGet(t, key) >= 0
@@ -1073,8 +1115,15 @@ proc mget*[A](t: CountTableRef[A], key: A): var int {.deprecated.} =
   result = t[][key]
 
 proc getOrDefault*[A](t: CountTableRef[A], key: A): int =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, 0 (the
+  ## default initialization value of `int`), is returned.
   result = t[].getOrDefault(key)
 
+proc getOrDefault*[A](t: CountTableRef[A], key: A, default: int): int =
+  ## retrieves the value at ``t[key]`` iff `key` is in `t`. Otherwise, the
+  ## integer value of `default` is returned.
+  result = t[].getOrDefault(key, default)
+
 proc hasKey*[A](t: CountTableRef[A], key: A): bool =
   ## returns true iff `key` is in the table `t`.
   result = t[].hasKey(key)
@@ -1267,7 +1316,7 @@ when isMainModule:
     #lib/pure/collections/tables.nim(117, 21) template/generic instantiation from here
     #lib/pure/collections/tableimpl.nim(32, 27) Error: undeclared field: 'hcode
     doAssert 0 == t.getOrDefault(testKey)
-    t.inc(testKey,3)
+    t.inc(testKey, 3)
     doAssert 3 == t.getOrDefault(testKey)
 
   block:
@@ -1334,3 +1383,21 @@ when isMainModule:
   block: # CountTable.smallest
     let t = toCountTable([0, 0, 5, 5, 5])
     doAssert t.smallest == (0, 2)
+
+  block:
+    var tp: Table[string, string] = initTable[string, string]()
+    doAssert "test1" == tp.getOrDefault("test1", "test1")
+    tp["test2"] = "test2"
+    doAssert "test2" == tp.getOrDefault("test2", "test1")
+    var tr: TableRef[string, string] = newTable[string, string]()
+    doAssert "test1" == tr.getOrDefault("test1", "test1")
+    tr["test2"] = "test2"
+    doAssert "test2" == tr.getOrDefault("test2", "test1")
+    var op: OrderedTable[string, string] = initOrderedTable[string, string]()
+    doAssert "test1" == op.getOrDefault("test1", "test1")
+    op["test2"] = "test2"
+    doAssert "test2" == op.getOrDefault("test2", "test1")
+    var orf: OrderedTableRef[string, string] = newOrderedTable[string, string]()
+    doAssert "test1" == orf.getOrDefault("test1", "test1")
+    orf["test2"] = "test2"
+    doAssert "test2" == orf.getOrDefault("test2", "test1")
diff --git a/lib/pure/dynlib.nim b/lib/pure/dynlib.nim
index fda41dadb..ec6cbb232 100644
--- a/lib/pure/dynlib.nim
+++ b/lib/pure/dynlib.nim
@@ -10,6 +10,49 @@
 ## This module implements the ability to access symbols from shared
 ## libraries. On POSIX this uses the ``dlsym`` mechanism, on
 ## Windows ``LoadLibrary``.
+##
+## Examples
+## --------
+##
+## Loading a simple C function
+## ^^^^^^^^^^^^^^^^^^^^^^^^^^^
+##
+## The following example demonstrates loading a function called 'greet' 
+## from a library that is determined at runtime based upon a language choice.
+## If the library fails to load or the function 'greet' is not found, 
+## it quits with a failure error code.
+##
+## .. code-block::nim
+##
+##   import dynlib
+##
+##   type
+##     greetFunction = proc(): cstring {.gcsafe, stdcall.}
+##
+##   let lang = stdin.readLine()
+##
+##   let lib = case lang
+##   of "french":
+##     loadLib("french.dll")
+##   else:
+##     loadLib("english.dll")
+##
+##   if lib == nil:
+##     echo "Error loading library"
+##     quit(QuitFailure)
+##
+##   let greet = cast[greetFunction](lib.symAddr("greet"))
+##
+##   if greet == nil:
+##     echo "Error loading 'greet' function from library"
+##     quit(QuitFailure)
+##
+##   let greeting = greet()
+##
+##   echo greeting
+##
+##   unloadLib(lib)
+##
 
 import strutils
 
diff --git a/lib/pure/json.nim b/lib/pure/json.nim
index bbde4db5f..912cd6837 100644
--- a/lib/pure/json.nim
+++ b/lib/pure/json.nim
@@ -734,7 +734,7 @@ proc getFields*(n: JsonNode,
   else: return n.fields
 
 proc getElems*(n: JsonNode, default: seq[JsonNode] = @[]): seq[JsonNode] =
-  ## Retrieves the int value of a `JArray JsonNode`.
+  ## Retrieves the array of a `JArray JsonNode`.
   ##
   ## Returns ``default`` if ``n`` is not a ``JArray``, or if ``n`` is nil.
   if n.isNil or n.kind != JArray: return default
@@ -964,6 +964,16 @@ proc `{}`*(node: JsonNode, keys: varargs[string]): JsonNode =
       return nil
     result = result.fields.getOrDefault(key)
 
+proc `{}`*(node: JsonNode, index: varargs[int]): JsonNode =
+  ## Traverses the node and gets the given value. If any of the
+  ## indexes do not exist, returns ``nil``. Also returns ``nil`` if one of the
+  ## intermediate data structures is not an array.
+  result = node
+  for i in index:
+    if isNil(result) or result.kind != JArray or i >= node.len:
+      return nil
+    result = result.elems[i]
+
 proc getOrDefault*(node: JsonNode, key: string): JsonNode =
   ## Gets a field from a `node`. If `node` is nil or not an object or
   ## value at `key` does not exist, returns nil
diff --git a/lib/pure/net.nim b/lib/pure/net.nim
index 336068df0..ccf02a1fc 100644
--- a/lib/pure/net.nim
+++ b/lib/pure/net.nim
@@ -1701,6 +1701,9 @@ proc connect*(socket: Socket, address: string, port = Port(0),
   if selectWrite(s, timeout) != 1:
     raise newException(TimeoutError, "Call to 'connect' timed out.")
   else:
+    let res = getSockOptInt(socket.fd, SOL_SOCKET, SO_ERROR)
+    if res != 0:
+      raiseOSError(OSErrorCode(res))
     when defineSsl and not defined(nimdoc):
       if socket.isSSL:
         socket.fd.setBlocking(true)
diff --git a/lib/pure/times.nim b/lib/pure/times.nim
index 6c1e1fe87..75b5bac43 100644
--- a/lib/pure/times.nim
+++ b/lib/pure/times.nim
@@ -274,6 +274,18 @@ proc toTime*(dt: DateTime): Time {.tags: [], raises: [], benign.} =
   # so we need to compensate for that here.
   result.inc dt.utcOffset
 
+proc `<`*(a, b: DateTime): bool =
+  ## Returns true iff ``a < b``, that is iff a happened before b.
+  return a.toTime < b.toTime
+
+proc `<=` * (a, b: DateTime): bool =
+  ## Returns true iff ``a <= b``.
+  return a.toTime <= b.toTime
+
+proc `==`*(a, b: DateTime): bool =
+  ## Returns true if ``a == b``, that is if both dates represent the same point in datetime.
+  return a.toTime == b.toTime
+
 proc initDateTime(zt: ZonedTime, zone: Timezone): DateTime =
   let adjTime = zt.adjTime.int64
   let epochday = (if adjTime >= 0: adjTime else: adjTime - (secondsInDay - 1)) div secondsInDay
diff --git a/lib/pure/unittest.nim b/lib/pure/unittest.nim
index fbce087ff..0034d0c60 100644
--- a/lib/pure/unittest.nim
+++ b/lib/pure/unittest.nim
@@ -150,6 +150,7 @@ var
   checkpoints {.threadvar.}: seq[string]
   formatters {.threadvar.}: seq[OutputFormatter]
   testsFilters {.threadvar.}: HashSet[string]
+  disabledParamFiltering {.threadvar.}: bool
 
 when declared(stdout):
   abortOnError = existsEnv("NIMTEST_ABORT_ON_ERROR")
@@ -379,7 +380,7 @@ proc ensureInitialized() =
   if formatters == nil:
     formatters = @[OutputFormatter(defaultConsoleFormatter())]
 
-  if not testsFilters.isValid:
+  if not disabledParamFiltering and not testsFilters.isValid:
     testsFilters.init()
     when declared(paramCount):
       # Read tests to run from the command line.
@@ -701,3 +702,7 @@ macro expect*(exceptions: varargs[typed], body: untyped): untyped =
     errorTypes.add(exp[i])
 
   result = getAst(expectBody(errorTypes, exp.lineinfo, body))
+
+proc disableParamFiltering* =
+  ## disables filtering tests with the command line params
+  disabledParamFiltering = true
diff --git a/lib/pure/xmlparser.nim b/lib/pure/xmlparser.nim
index 22bd259b7..9159b4bfc 100644
--- a/lib/pure/xmlparser.nim
+++ b/lib/pure/xmlparser.nim
@@ -12,9 +12,9 @@
 import streams, parsexml, strtabs, xmltree
 
 type
-  XmlError* = object of ValueError ## exception that is raised
-                                   ## for invalid XML
-    errors*: seq[string]           ## all detected parsing errors
+  XmlError* = object of ValueError ## Exception that is raised
+                                   ## for invalid XML.
+    errors*: seq[string]           ## All detected parsing errors.
 
 {.deprecated: [EInvalidXml: XmlError].}
 
@@ -102,8 +102,8 @@ proc parse(x: var XmlParser, errors: var seq[string]): XmlNode =
 
 proc parseXml*(s: Stream, filename: string,
                errors: var seq[string]): XmlNode =
-  ## parses the XML from stream `s` and returns a ``PXmlNode``. Every
-  ## occurred parsing error is added to the `errors` sequence.
+  ## Parses the XML from stream ``s`` and returns a ``XmlNode``. Every
+  ## occurred parsing error is added to the ``errors`` sequence.
   var x: XmlParser
   open(x, s, filename, {reportComments})
   while true:
@@ -121,15 +121,20 @@ proc parseXml*(s: Stream, filename: string,
   close(x)
 
 proc parseXml*(s: Stream): XmlNode =
-  ## parses the XTML from stream `s` and returns a ``PXmlNode``. All parsing
-  ## errors are turned into an ``EInvalidXML`` exception.
+  ## Parses the XML from stream ``s`` and returns a ``XmlNode``. All parsing
+  ## errors are turned into an ``XmlError`` exception.
   var errors: seq[string] = @[]
-  result = parseXml(s, "unknown_html_doc", errors)
+  result = parseXml(s, "unknown_xml_doc", errors)
   if errors.len > 0: raiseInvalidXml(errors)
 
+proc parseXml*(str: string): XmlNode =
+  ## Parses the XML from string ``str`` and returns a ``XmlNode``. All parsing
+  ## errors are turned into an ``XmlError`` exception.
+  parseXml(newStringStream(str))
+
 proc loadXml*(path: string, errors: var seq[string]): XmlNode =
   ## Loads and parses XML from file specified by ``path``, and returns
-  ## a ``PXmlNode``. Every occurred parsing error is added to the `errors`
+  ## a ``XmlNode``. Every occurred parsing error is added to the ``errors``
   ## sequence.
   var s = newFileStream(path, fmRead)
   if s == nil: raise newException(IOError, "Unable to read file: " & path)
@@ -137,7 +142,7 @@ proc loadXml*(path: string, errors: var seq[string]): XmlNode =
 
 proc loadXml*(path: string): XmlNode =
   ## Loads and parses XML from file specified by ``path``, and returns
-  ## a ``PXmlNode``.  All parsing errors are turned into an ``EInvalidXML``
+  ## a ``XmlNode``. All parsing errors are turned into an ``XmlError``
   ## exception.
   var errors: seq[string] = @[]
   result = loadXml(path, errors)
diff --git a/lib/system.nim b/lib/system.nim
index b71a3c73c..7eda30276 100644
--- a/lib/system.nim
+++ b/lib/system.nim
@@ -617,6 +617,11 @@ type
     ##
     ## This is only raised if the ``segfaults.nim`` module was imported!
 
+when defined(nimNewRuntime):
+  type
+    MoveError* = object of SystemError ## \
+      ## Raised on attempts to re-sink an already consumed ``sink`` parameter.
+
 {.deprecated: [TObject: RootObj, PObject: RootRef, TEffect: RootEffect,
   FTime: TimeEffect, FIO: IOEffect, FReadIO: ReadIOEffect,
   FWriteIO: WriteIOEffect, FExecIO: ExecIOEffect,
@@ -1774,7 +1779,7 @@ when not defined(nimscript):
     proc createU*(T: typedesc, size = 1.Positive): ptr T {.inline, benign.} =
       ## allocates a new memory block with at least ``T.sizeof * size``
       ## bytes. The block has to be freed with ``resize(block, 0)`` or
-      ## ``free(block)``. The block is not initialized, so reading
+      ## ``dealloc(block)``. The block is not initialized, so reading
       ## from it before writing to it is undefined behaviour!
       ## The allocated memory belongs to its allocating thread!
       ## Use `createSharedU` to allocate from a shared heap.
@@ -1789,7 +1794,7 @@ when not defined(nimscript):
     proc create*(T: typedesc, size = 1.Positive): ptr T {.inline, benign.} =
       ## allocates a new memory block with at least ``T.sizeof * size``
       ## bytes. The block has to be freed with ``resize(block, 0)`` or
-      ## ``free(block)``. The block is initialized with all bytes
+      ## ``dealloc(block)``. The block is initialized with all bytes
       ## containing zero, so it is somewhat safer than ``createU``.
       ## The allocated memory belongs to its allocating thread!
       ## Use `createShared` to allocate from a shared heap.
@@ -1807,7 +1812,7 @@ when not defined(nimscript):
       ## grows or shrinks a given memory block. If p is **nil** then a new
       ## memory block is returned. In either way the block has at least
       ## ``T.sizeof * newSize`` bytes. If ``newSize == 0`` and p is not
-      ## **nil** ``resize`` calls ``free(p)``. In other cases the block
+      ## **nil** ``resize`` calls ``dealloc(p)``. In other cases the block
       ## has to be freed with ``free``. The allocated memory belongs to
       ## its allocating thread!
       ## Use `resizeShared` to reallocate from a shared heap.
@@ -4131,3 +4136,13 @@ when defined(cpp) and appType != "lib" and not defined(js) and
     stderr.write trace & "Error: unhandled exception: " & ex.msg &
                  " [" & $ex.name & "]\n"
     quit 1
+
+when not defined(js):
+  proc toOpenArray*[T](x: seq[T]; first, last: int): openarray[T] {.
+    magic: "Slice".}
+  proc toOpenArray*[T](x: openarray[T]; first, last: int): openarray[T] {.
+    magic: "Slice".}
+  proc toOpenArray*[I, T](x: array[I, T]; first, last: I): openarray[T] {.
+    magic: "Slice".}
+  proc toOpenArray*(x: string; first, last: int): openarray[char] {.
+    magic: "Slice".}
diff --git a/lib/system/alloc.nim b/lib/system/alloc.nim
index 4291013a2..6aef4f411 100644
--- a/lib/system/alloc.nim
+++ b/lib/system/alloc.nim
@@ -29,7 +29,9 @@ const
   FliOffset = 6
   RealFli = MaxFli - FliOffset
 
-  HugeChunkSize = int high(int32) - 1 # 2 GB, depends on TLSF's impl
+  # size of chunks in last matrix bin
+  MaxBigChunkSize = 1 shl MaxFli - 1 shl (MaxFli-MaxLog2Sli-1)
+  HugeChunkSize = MaxBigChunkSize + 1
 
 type
   PTrunk = ptr Trunk
@@ -154,10 +156,11 @@ proc mappingSearch(r, fl, sl: var int) {.inline.} =
   # PageSize alignment:
   let t = roundup((1 shl (msbit(uint32 r) - MaxLog2Sli)), PageSize) - 1
   r = r + t
+  r = r and not t
+  r = min(r, MaxBigChunkSize)
   fl = msbit(uint32 r)
   sl = (r shr (fl - MaxLog2Sli)) - MaxSli
   dec fl, FliOffset
-  r = r and not t
   sysAssert((r and PageMask) == 0, "mappingSearch: still not aligned")
 
 # See http://www.gii.upv.es/tlsf/files/papers/tlsf_desc.pdf for details of
@@ -518,55 +521,61 @@ proc updatePrevSize(a: var MemRegion, c: PBigChunk,
   if isAccessible(a, ri):
     ri.prevSize = prevSize or (ri.prevSize and 1)
 
+proc splitChunk2(a: var MemRegion, c: PBigChunk, size: int): PBigChunk =
+  result = cast[PBigChunk](cast[ByteAddress](c) +% size)
+  result.size = c.size - size
+  track("result.origSize", addr result.origSize, sizeof(int))
+  # XXX check if these two nil assignments are dead code given
+  # addChunkToMatrix's implementation:
+  result.next = nil
+  result.prev = nil
+  # size and not used:
+  result.prevSize = size
+  sysAssert((size and 1) == 0, "splitChunk 2")
+  sysAssert((size and PageMask) == 0,
+      "splitChunk: size is not a multiple of the PageSize")
+  updatePrevSize(a, c, result.size)
+  c.size = size
+  incl(a, a.chunkStarts, pageIndex(result))
+
+proc splitChunk(a: var MemRegion, c: PBigChunk, size: int) =
+  let rest = splitChunk2(a, c, size)
+  addChunkToMatrix(a, rest)
+
 proc freeBigChunk(a: var MemRegion, c: PBigChunk) =
   var c = c
   sysAssert(c.size >= PageSize, "freeBigChunk")
   inc(a.freeMem, c.size)
-  when coalescRight:
-    var ri = cast[PChunk](cast[ByteAddress](c) +% c.size)
-    sysAssert((cast[ByteAddress](ri) and PageMask) == 0, "freeBigChunk 2")
-    if isAccessible(a, ri) and chunkUnused(ri):
-      sysAssert(not isSmallChunk(ri), "freeBigChunk 3")
-      if not isSmallChunk(ri):
-        removeChunkFromMatrix(a, cast[PBigChunk](ri))
-        inc(c.size, ri.size)
-        excl(a.chunkStarts, pageIndex(ri))
+  c.prevSize = c.prevSize and not 1  # set 'used' to false
   when coalescLeft:
-    let prevSize = c.prevSize and not 1
+    let prevSize = c.prevSize
     if prevSize != 0:
       var le = cast[PChunk](cast[ByteAddress](c) -% prevSize)
       sysAssert((cast[ByteAddress](le) and PageMask) == 0, "freeBigChunk 4")
       if isAccessible(a, le) and chunkUnused(le):
         sysAssert(not isSmallChunk(le), "freeBigChunk 5")
-        if not isSmallChunk(le):
+        if not isSmallChunk(le) and le.size < MaxBigChunkSize:
           removeChunkFromMatrix(a, cast[PBigChunk](le))
           inc(le.size, c.size)
           excl(a.chunkStarts, pageIndex(c))
           c = cast[PBigChunk](le)
-
-  incl(a, a.chunkStarts, pageIndex(c))
-  updatePrevSize(a, c, c.size)
+          if c.size > MaxBigChunkSize:
+            let rest = splitChunk2(a, c, MaxBigChunkSize)
+            addChunkToMatrix(a, c)
+            c = rest
+  when coalescRight:
+    var ri = cast[PChunk](cast[ByteAddress](c) +% c.size)
+    sysAssert((cast[ByteAddress](ri) and PageMask) == 0, "freeBigChunk 2")
+    if isAccessible(a, ri) and chunkUnused(ri):
+      sysAssert(not isSmallChunk(ri), "freeBigChunk 3")
+      if not isSmallChunk(ri) and c.size < MaxBigChunkSize:
+        removeChunkFromMatrix(a, cast[PBigChunk](ri))
+        inc(c.size, ri.size)
+        excl(a.chunkStarts, pageIndex(ri))
+        if c.size > MaxBigChunkSize:
+          let rest = splitChunk2(a, c, MaxBigChunkSize)
+          addChunkToMatrix(a, rest)
   addChunkToMatrix(a, c)
-  # set 'used' to false:
-  c.prevSize = c.prevSize and not 1
-
-proc splitChunk(a: var MemRegion, c: PBigChunk, size: int) =
-  var rest = cast[PBigChunk](cast[ByteAddress](c) +% size)
-  rest.size = c.size - size
-  track("rest.origSize", addr rest.origSize, sizeof(int))
-  # XXX check if these two nil assignments are dead code given
-  # addChunkToMatrix's implementation:
-  rest.next = nil
-  rest.prev = nil
-  # size and not used:
-  rest.prevSize = size
-  sysAssert((size and 1) == 0, "splitChunk 2")
-  sysAssert((size and PageMask) == 0,
-      "splitChunk: size is not a multiple of the PageSize")
-  updatePrevSize(a, c, rest.size)
-  c.size = size
-  incl(a, a.chunkStarts, pageIndex(rest))
-  addChunkToMatrix(a, rest)
 
 proc getBigChunk(a: var MemRegion, size: int): PBigChunk =
   sysAssert(size > 0, "getBigChunk 2")
diff --git a/lib/system/chcks.nim b/lib/system/chcks.nim
index 69b680dbd..d3651f659 100644
--- a/lib/system/chcks.nim
+++ b/lib/system/chcks.nim
@@ -52,6 +52,11 @@ proc chckNil(p: pointer) =
   if p == nil:
     sysFatal(NilAccessError, "attempt to write to a nil address")
 
+when defined(nimNewRuntime):
+  proc chckMove(b: bool) {.compilerproc.} =
+    if not b:
+      sysFatal(MoveError, "attempt to access an object that was moved")
+
 proc chckNilDisp(p: pointer) {.compilerproc.} =
   if p == nil:
     sysFatal(NilAccessError, "cannot dispatch; dispatcher is nil")
diff --git a/lib/wrappers/mysql.nim b/lib/wrappers/mysql.nim
index e53d5308a..4464eae50 100644
--- a/lib/wrappers/mysql.nim
+++ b/lib/wrappers/mysql.nim
@@ -13,10 +13,10 @@
 when defined(Unix):
   when defined(macosx):
     const
-      lib = "(libmysqlclient|libmariadbclient).(|20|19|18|17|16|15).dylib"
+      lib = "(libmysqlclient|libmariadbclient)(|.20|.19|.18|.17|.16|.15).dylib"
   else:
     const
-      lib = "(libmysqlclient|libmariadbclient).so.(|20|19|18|17|16|15)"
+      lib = "(libmysqlclient|libmariadbclient).so(|.20|.19|.18|.17|.16|.15)"
 when defined(Windows):
   const
     lib = "(libmysql.dll|libmariadb.dll)"
diff --git a/lib/wrappers/openssl.nim b/lib/wrappers/openssl.nim
index eefc09cb9..357343bff 100644
--- a/lib/wrappers/openssl.nim
+++ b/lib/wrappers/openssl.nim
@@ -38,7 +38,7 @@ when useWinVersion:
 
   from winlean import SocketHandle
 else:
-  const versions = "(.1.1|.38|.39|.41|.43|.10|.1.0.2|.1.0.1|.1.0.0|.0.9.9|.0.9.8|)"
+  const versions = "(.1.1|.38|.39|.41|.43|.44|.10|.1.0.2|.1.0.1|.1.0.0|.0.9.9|.0.9.8|)"
 
   when defined(macosx):
     const