libuv working on windows too

Added: vcc compilation flags for proper debug symbol generation

lib/system.nim

@@ -886,10 +886,6 @@ type # these work for most platforms:
     ## This is the same as the type ``short`` in *C*.
   cint* {.importc: "int", nodecl.} = int32
     ## This is the same as the type ``int`` in *C*.
-  csize* {.importc: "size_t", nodecl.} = int
-    ## This is the same as the type ``size_t`` in *C*.
-  cptrdiff* {.importc: "ptrdiff_t", nodecl.} = int
-    ## This is the same as the type ``ptrdiff_t`` in *C*.
   clong* {.importc: "long", nodecl.} = int
     ## This is the same as the type ``long`` in *C*.
   clonglong* {.importc: "long long", nodecl.} = int64

lib/windows/winlean.nim

@@ -224,31 +224,31 @@ const
 
 proc WSAGetLastError*(): cint {.importc: "WSAGetLastError", dynlib: ws2dll.}
 
-type 
-  TWSAData* {.pure, final.} = object 
+type
+  TWSAData* {.pure, final, importc: "WSADATA", header: "Winsock2.h".} = object 
     wVersion, wHighVersion: int16
     szDescription: array[0..WSADESCRIPTION_LEN, char]
     szSystemStatus: array[0..WSASYS_STATUS_LEN, char]
     iMaxSockets, iMaxUdpDg: int16
     lpVendorInfo: cstring
     
-  TSockAddr* {.pure, final.} = object 
+  TSockAddr* {.pure, final, importc: "SOCKADDR", header: "Winsock2.h".} = object 
     sa_family*: int16 # unsigned
     sa_data: array[0..13, char]
 
-  TInAddr* {.pure, final.} = object ## struct in_addr
+  TInAddr* {.pure, final, importc: "IN_ADDR", header: "Winsock2.h".} = object
     s_addr*: int32  # IP address
   
-  Tsockaddr_in* {.pure, final.} = object
+  Tsockaddr_in* {.pure, final, importc: "SOCKADDR_IN", header: "Winsock2.h".} = object
     sin_family*: int16
     sin_port*: int16 # unsigned
     sin_addr*: TInAddr
     sin_zero*: array[0..7, char]
 
-  Tin6_addr* {.pure, final.} = object 
+  Tin6_addr* {.pure, final, importc: "IN6_ADDR", header: "Winsock2.h".} = object 
     bytes*: array[0..15, char]
 
-  Tsockaddr_in6* {.pure, final.} = object
+  Tsockaddr_in6* {.pure, final, importc: "SOCKADDR_IN6", header: "Winsock2.h".} = object
     sin6_family*: int16
     sin6_port*: int16 # unsigned
     sin6_flowinfo*: int32 # unsigned

lib/wrappers/joyent_http_parser.nim

@@ -1,6 +1,8 @@
 type
-  HttpDataProc* = proc (a2: ptr THttpParser, at: cstring, length: csize): cint
-  HttpProc* = proc (a2: ptr THttpParser): cint
+  csize = int
+  
+  HttpDataProc* = proc (a2: ptr THttpParser, at: cstring, length: csize): cint {.cdecl.}
+  HttpProc* = proc (a2: ptr THttpParser): cint {.cdecl.}
 
   THttpMethod* = enum
     HTTP_DELETE = 0, HTTP_GET, HTTP_HEAD, HTTP_POST, HTTP_PUT, HTTP_CONNECT,

lib/wrappers/libuv.nim

@@ -12,22 +12,23 @@ else:
 type
   TPort* = distinct int16  ## port type
 
-  cssize* {.importc: "ssize_t", header: "stdint.h"} = int
-  coff* {.importc: "off_t", header: "types.h"} = int
+  cssize = int
+  coff = int
+  csize = int
 
-  AllocProc* = proc (handle: PHandle, suggested_size: csize): TBuf
-  ReadProc* = proc (stream: PStream, nread: cssize, buf: TBuf)
-  ReadProc2* = proc (stream: PPipe, nread: cssize, buf: TBuf, pending: THandleType)
-  WriteProc* = proc (req: PWrite, status: cint)
-  ConnectProc* = proc (req: PConnect, status: cint)
-  ShutdownProc* = proc (req: PShutdown, status: cint)
-  ConnectionProc* = proc (server: PStream, status: cint)
-  CloseProc* = proc (handle: PHandle)
-  TimerProc* = proc (handle: PTimer, status: cint)
-  AsyncProc* = proc (handle: PAsync, status: cint)
-  PrepareProc* = proc (handle: PPrepare, status: cint)
-  CheckProc* = proc (handle: PCheck, status: cint)
-  IdleProc* = proc (handle: PIdle, status: cint)
+  AllocProc* = proc (handle: PHandle, suggested_size: csize): TBuf {.cdecl.}
+  ReadProc* = proc (stream: PStream, nread: cssize, buf: TBuf) {.cdecl.}
+  ReadProc2* = proc (stream: PPipe, nread: cssize, buf: TBuf, pending: THandleType) {.cdecl.}
+  WriteProc* = proc (req: PWrite, status: cint) {.cdecl.}
+  ConnectProc* = proc (req: PConnect, status: cint) {.cdecl.}
+  ShutdownProc* = proc (req: PShutdown, status: cint) {.cdecl.}
+  ConnectionProc* = proc (server: PStream, status: cint) {.cdecl.}
+  CloseProc* = proc (handle: PHandle) {.cdecl.}
+  TimerProc* = proc (handle: PTimer, status: cint) {.cdecl.}
+  AsyncProc* = proc (handle: PAsync, status: cint) {.cdecl.}
+  PrepareProc* = proc (handle: PPrepare, status: cint) {.cdecl.}
+  CheckProc* = proc (handle: PCheck, status: cint) {.cdecl.}
+  IdleProc* = proc (handle: PIdle, status: cint) {.cdecl.}
 
   PSockAddr* = ptr TSockAddr