JsCreateExternalObject

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

JsErrorCode JsCreateExternalObject(
    void* data,   // optional
    JsFinalizeCallback finalizeCallback,   // optional
    void** object
);

<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsCreateExternalObject(
    data As IntPtr,   ' void* optional
    finalizeCallback As IntPtr,   ' JsFinalizeCallback optional
    [object] As IntPtr   ' void** out
) As UInteger
End Function

' data : void* optional
' finalizeCallback : JsFinalizeCallback optional
' object : void** out
Declare PtrSafe Function JsCreateExternalObject Lib "chakra" ( _
    ByVal data As LongPtr, _
    ByVal finalizeCallback As LongPtr, _
    ByVal object 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

JsCreateExternalObject = ctypes.windll.chakra.JsCreateExternalObject
JsCreateExternalObject.restype = wintypes.DWORD
JsCreateExternalObject.argtypes = [
    ctypes.POINTER(None),  # data : void* optional
    ctypes.c_void_p,  # finalizeCallback : JsFinalizeCallback optional
    ctypes.c_void_p,  # object : void** out
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsCreateExternalObject = Fiddle::Function.new(
  lib['JsCreateExternalObject'],
  [
    Fiddle::TYPE_VOIDP,  # data : void* optional
    Fiddle::TYPE_VOIDP,  # finalizeCallback : JsFinalizeCallback optional
    Fiddle::TYPE_VOIDP,  # object : void** out
  ],
  -Fiddle::TYPE_INT)

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

$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsCreateExternalObject(IntPtr data, IntPtr finalizeCallback, IntPtr object);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsCreateExternalObject' -Namespace Win32 -PassThru
# $api::JsCreateExternalObject(data, finalizeCallback, object)

#uselib "chakra.dll"
#func global JsCreateExternalObject "JsCreateExternalObject" sptr, sptr, sptr
; JsCreateExternalObject data, finalizeCallback, object   ; 戻り値は stat
; data : void* optional -> "sptr"
; finalizeCallback : JsFinalizeCallback optional -> "sptr"
; object : 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 JsCreateExternalObject "JsCreateExternalObject" sptr, sptr, sptr
; res = JsCreateExternalObject(data, finalizeCallback, object)
; data : void* optional -> "sptr"
; finalizeCallback : JsFinalizeCallback optional -> "sptr"
; object : void** out -> "sptr"

; JsErrorCode JsCreateExternalObject(void* data, JsFinalizeCallback finalizeCallback, void** object)
#uselib "chakra.dll"
#cfunc global JsCreateExternalObject "JsCreateExternalObject" intptr, intptr, intptr
; res = JsCreateExternalObject(data, finalizeCallback, object)
; data : void* optional -> "intptr"
; finalizeCallback : JsFinalizeCallback optional -> "intptr"
; object : void** out -> "intptr"

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

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsCreateExternalObject = chakra.NewProc("JsCreateExternalObject")
)

// data (void* optional), finalizeCallback (JsFinalizeCallback optional), object (void** out)
r1, _, err := procJsCreateExternalObject.Call(
	uintptr(data),
	uintptr(finalizeCallback),
	uintptr(object),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode

function JsCreateExternalObject(
  data: Pointer;   // void* optional
  finalizeCallback: Pointer;   // JsFinalizeCallback optional
  object: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateExternalObject';

result := DllCall("chakra\JsCreateExternalObject"
    , "Ptr", data   ; void* optional
    , "Ptr", finalizeCallback   ; JsFinalizeCallback optional
    , "Ptr", object   ; void** out
    , "UInt")   ; return: JsErrorCode

●JsCreateExternalObject(data, finalizeCallback, object) = DLL("chakra.dll", "dword JsCreateExternalObject(void*, void*, void*)")
# 呼び出し: JsCreateExternalObject(data, finalizeCallback, object)
# data : void* optional -> "void*"
# finalizeCallback : JsFinalizeCallback optional -> "void*"
# object : 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)。