JsCreateFunction

// chakra.dll
#include <windows.h>

JsErrorCode JsCreateFunction(
    JsNativeFunction nativeFunction,
    void* callbackState,   // optional
    void** function
);

<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsCreateFunction(
    nativeFunction As IntPtr,   ' JsNativeFunction
    callbackState As IntPtr,   ' void* optional
    [function] As IntPtr   ' void** out
) As UInteger
End Function

' nativeFunction : JsNativeFunction
' callbackState : void* optional
' function : void** out
Declare PtrSafe Function JsCreateFunction Lib "chakra" ( _
    ByVal nativeFunction As LongPtr, _
    ByVal callbackState As LongPtr, _
    ByVal function As LongPtr) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。

import ctypes
from ctypes import wintypes

JsCreateFunction = ctypes.windll.chakra.JsCreateFunction
JsCreateFunction.restype = wintypes.DWORD
JsCreateFunction.argtypes = [
    ctypes.c_void_p,  # nativeFunction : JsNativeFunction
    ctypes.POINTER(None),  # callbackState : void* optional
    ctypes.c_void_p,  # function : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsCreateFunction = Fiddle::Function.new(
  lib['JsCreateFunction'],
  [
    Fiddle::TYPE_VOIDP,  # nativeFunction : JsNativeFunction
    Fiddle::TYPE_VOIDP,  # callbackState : void* optional
    Fiddle::TYPE_VOIDP,  # function : void** out
  ],
  -Fiddle::TYPE_INT)

#[link(name = "chakra")]
extern "system" {
    fn JsCreateFunction(
        nativeFunction: *const core::ffi::c_void,  // JsNativeFunction
        callbackState: *mut (),  // void* optional
        function: *mut *mut ()  // void** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsCreateFunction(IntPtr nativeFunction, IntPtr callbackState, IntPtr function);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsCreateFunction' -Namespace Win32 -PassThru
# $api::JsCreateFunction(nativeFunction, callbackState, function)

#uselib "chakra.dll"
#func global JsCreateFunction "JsCreateFunction" sptr, sptr, sptr
; JsCreateFunction nativeFunction, callbackState, function   ; 戻り値は stat
; nativeFunction : JsNativeFunction -> "sptr"
; callbackState : void* optional -> "sptr"
; function : void** out -> "sptr"
; ※HSP3.7は #func のため戻り値はシステム変数 stat に格納されます。

#uselib "chakra.dll"
#cfunc global JsCreateFunction "JsCreateFunction" sptr, sptr, sptr
; res = JsCreateFunction(nativeFunction, callbackState, function)
; nativeFunction : JsNativeFunction -> "sptr"
; callbackState : void* optional -> "sptr"
; function : void** out -> "sptr"

; JsErrorCode JsCreateFunction(JsNativeFunction nativeFunction, void* callbackState, void** function)
#uselib "chakra.dll"
#cfunc global JsCreateFunction "JsCreateFunction" intptr, intptr, intptr
; res = JsCreateFunction(nativeFunction, callbackState, function)
; nativeFunction : JsNativeFunction -> "intptr"
; callbackState : void* optional -> "intptr"
; function : void** out -> "intptr"

import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsCreateFunction = chakra.NewProc("JsCreateFunction")
)

// nativeFunction (JsNativeFunction), callbackState (void* optional), function (void** out)
r1, _, err := procJsCreateFunction.Call(
	uintptr(nativeFunction),
	uintptr(callbackState),
	uintptr(function),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode

function JsCreateFunction(
  nativeFunction: Pointer;   // JsNativeFunction
  callbackState: Pointer;   // void* optional
  function: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateFunction';

result := DllCall("chakra\JsCreateFunction"
    , "Ptr", nativeFunction   ; JsNativeFunction
    , "Ptr", callbackState   ; void* optional
    , "Ptr", function   ; void** out
    , "UInt")   ; return: JsErrorCode

●JsCreateFunction(nativeFunction, callbackState, function) = DLL("chakra.dll", "dword JsCreateFunction(void*, void*, void*)")
# 呼び出し: JsCreateFunction(nativeFunction, callbackState, function)
# nativeFunction : JsNativeFunction -> "void*"
# callbackState : void* optional -> "void*"
# function : void** out -> "void*"
# なでしこ1は32bit・ANSI(Shift_JIS)。文字列=char*(ANSI)、ポインタ/ハンドル=void*(4byte)。