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)。

const std = @import("std");

extern "chakra" fn JsCreateFunction(
    nativeFunction: ?*anyopaque, // JsNativeFunction
    callbackState: ?*anyopaque, // void* optional
    function: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) u32;

proc JsCreateFunction(
    nativeFunction: pointer,  # JsNativeFunction
    callbackState: pointer,  # void* optional
    function: pointer  # void** out
): uint32 {.importc: "JsCreateFunction", stdcall, dynlib: "chakra.dll".}

pragma(lib, "chakra");
extern(Windows)
uint JsCreateFunction(
    void* nativeFunction,   // JsNativeFunction
    void* callbackState,   // void* optional
    void** function   // void** out
);

ccall((:JsCreateFunction, "chakra.dll"), stdcall, UInt32,
      (Ptr{Cvoid}, Ptr{Cvoid}, Ptr{Cvoid}),
      nativeFunction, callbackState, function)
# nativeFunction : JsNativeFunction -> Ptr{Cvoid}
# callbackState : void* optional -> Ptr{Cvoid}
# function : void** out -> Ptr{Cvoid}
# stdcall は 32bit のみ意味を持つ(x64 では無視)。

local ffi = require("ffi")
ffi.cdef[[
uint32_t JsCreateFunction(
    void* nativeFunction,
    void* callbackState,
    void** function);
]]
local chakra = ffi.load("chakra")
-- chakra.JsCreateFunction(nativeFunction, callbackState, function)
-- nativeFunction : JsNativeFunction
-- callbackState : void* optional
-- function : void** out
-- 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。

const koffi = require('koffi');
const lib = koffi.load('chakra.dll');
const JsCreateFunction = lib.func('__stdcall', 'JsCreateFunction', 'uint32_t', ['void *', 'void *', 'void *']);
// JsCreateFunction(nativeFunction, callbackState, function)
// nativeFunction : JsNativeFunction -> 'void *'
// callbackState : void* optional -> 'void *'
// function : void** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。
// コールバック(関数ポインタ)は koffi.proto/koffi.register で型を定義して渡す(素の void* では JS 関数を渡せない)。

const lib = Deno.dlopen("chakra.dll", {
  JsCreateFunction: { parameters: ["pointer", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.JsCreateFunction(nativeFunction, callbackState, function)
// nativeFunction : JsNativeFunction -> "pointer"
// callbackState : void* optional -> "pointer"
// function : void** out -> "pointer"
// 文字列引数は "buffer"(NUL 終端のバイト列を Uint8Array で渡す)。
// 値渡し構造体は { struct: [ ...field types... ] } を使用。

<?php
$ffi = FFI::cdef(<<<C
uint32_t JsCreateFunction(
    void* nativeFunction,
    void* callbackState,
    void** function);
C, "chakra.dll");
// $ffi->JsCreateFunction(nativeFunction, callbackState, function);
// nativeFunction : JsNativeFunction
// callbackState : void* optional
// function : void** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。

import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;

public interface Chakra extends StdCallLibrary {
    Chakra INSTANCE = Native.load("chakra", Chakra.class);
    int JsCreateFunction(
        Callback nativeFunction,   // JsNativeFunction
        Pointer callbackState,   // void* optional
        Pointer function   // void** out
    );
}

@[Link("chakra")]
lib Libchakra
  fun JsCreateFunction = JsCreateFunction(
    nativeFunction : Void*,   # JsNativeFunction
    callbackState : Void*,   # void* optional
    function : Void**   # void** out
  ) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。

import 'dart:ffi';
import 'package:ffi/ffi.dart';

typedef JsCreateFunctionNative = Uint32 Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
typedef JsCreateFunctionDart = int Function(Pointer<Void>, Pointer<Void>, Pointer<Void>);
final JsCreateFunction = DynamicLibrary.open('chakra.dll')
    .lookupFunction<JsCreateFunctionNative, JsCreateFunctionDart>('JsCreateFunction');
// nativeFunction : JsNativeFunction -> Pointer<Void>
// callbackState : void* optional -> Pointer<Void>
// function : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。

{$mode objfpc}{$H+}
function JsCreateFunction(
  nativeFunction: Pointer;   // JsNativeFunction
  callbackState: Pointer;   // void* optional
  function: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateFunction';

import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "JsCreateFunction"
  c_JsCreateFunction :: Ptr () -> Ptr () -> Ptr () -> IO Word32
-- nativeFunction : JsNativeFunction -> Ptr ()
-- callbackState : void* optional -> Ptr ()
-- function : void** out -> Ptr ()
-- 要 GHC(Windows)。stdcall は x64 では ccall として扱われる。ブロックする API は safe 呼び出し推奨。

open Ctypes
open Foreign

let jscreatefunction =
  foreign "JsCreateFunction"
    ((ptr void) @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* nativeFunction : JsNativeFunction -> (ptr void) *)
(* callbackState : void* optional -> (ptr void) *)
(* function : void** out -> (ptr void) *)
(* foreign は cdecl 前提。x64 Windows では WINAPI と一致。構造体は ctypes structure を定義のこと。 *)

(cffi:define-foreign-library chakra (t "chakra.dll"))
(cffi:use-foreign-library chakra)

(cffi:defcfun ("JsCreateFunction" js-create-function :convention :stdcall) :uint32
  (native-function :pointer)   ; JsNativeFunction
  (callback-state :pointer)   ; void* optional
  (function :pointer))   ; void** out
; isize/usize(INT_PTR/SIZE_T)は x64 前提で :int64/:uint64。x86 では :int32/:uint32。

use Win32::API;
my $JsCreateFunction = Win32::API::More->new('chakra',
    'DWORD JsCreateFunction(LPVOID nativeFunction, LPVOID callbackState, LPVOID function)');
# my $ret = $JsCreateFunction->Call($nativeFunction, $callbackState, $function);
# nativeFunction : JsNativeFunction -> LPVOID
# callbackState : void* optional -> LPVOID
# function : void** out -> LPVOID
# 値渡し構造体は pack() した文字列、または Win32::API::Struct を使用。
# コールバック(関数ポインタ)は Perl sub を直接渡せません。Win32::API::Callback を使用してください。