merged branch overloading-for-macros

lib/pure/collections/sequtils.nim

@@ -50,7 +50,7 @@ proc filter*[T](seq1: seq[T], pred: proc(item: T): bool): seq[T] =
   ## Returns all items in a sequence that fulfilled the predicate.
   accumulateResult(filter(seq1, pred))
 
-template filterIt*(seq1, pred: expr): expr =
+template filterIt*(seq1, pred: expr): expr {.immediate.} =
   ## Finds a specific item in a sequence as long as the 
   ## predicate returns true. The predicate needs to be an expression
   ## containing ``it``: ``filterIt("abcxyz", it == 'x')``.

lib/pure/colors.nim

@@ -17,15 +17,15 @@ type
 proc `==` *(a, b: TColor): bool {.borrow.}
   ## compares two colors.
   
-template extract(a: TColor, r, g, b: expr) =
+template extract(a: TColor, r, g, b: expr) {.immediate.}=
   var r = a.int shr 16 and 0xff
   var g = a.int shr 8 and 0xff
   var b = a.int and 0xff
   
-template rawRGB(r, g, b: expr): expr =
+template rawRGB(r, g, b: int): expr =
   TColor(r shl 16 or g shl 8 or b)
   
-template colorOp(op: expr) =
+template colorOp(op: expr) {.immediate.} =
   extract(a, ar, ag, ab)
   extract(b, br, bg, bb)
   result = rawRGB(op(ar, br), op(ag, bg), op(ab, bb))

lib/pure/os.nim

@@ -242,12 +242,12 @@ proc UnixToNativePath*(path: string): string {.
         inc(i)
 
 when defined(windows):
-  template wrapUnary(varname, winApiProc, arg: expr) =
+  template wrapUnary(varname, winApiProc, arg: expr) {.immediate.} =
     var tmp = allocWideCString(arg)
     var varname = winApiProc(tmp)
     dealloc tmp
 
-  template wrapBinary(varname, winApiProc, arg, arg2: expr) =
+  template wrapBinary(varname, winApiProc, arg, arg2: expr) {.immediate.} =
     var tmp2 = allocWideCString(arg)
     var varname = winApiProc(tmp2, arg2)
     dealloc tmp2