JsSetCurrentContext

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

JsErrorCode JsSetCurrentContext(
    void* context
);

<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsSetCurrentContext(
    context As IntPtr   ' void*
) As UInteger
End Function

' context : void*
Declare PtrSafe Function JsSetCurrentContext Lib "chakra" ( _
    ByVal context 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

JsSetCurrentContext = ctypes.windll.chakra.JsSetCurrentContext
JsSetCurrentContext.restype = wintypes.DWORD
JsSetCurrentContext.argtypes = [
    ctypes.POINTER(None),  # context : void*
]

require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsSetCurrentContext = Fiddle::Function.new(
  lib['JsSetCurrentContext'],
  [
    Fiddle::TYPE_VOIDP,  # context : void*
  ],
  -Fiddle::TYPE_INT)

#[link(name = "chakra")]
extern "system" {
    fn JsSetCurrentContext(
        context: *mut ()  // void*
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.

$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsSetCurrentContext(IntPtr context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsSetCurrentContext' -Namespace Win32 -PassThru
# $api::JsSetCurrentContext(context)

#uselib "chakra.dll"
#func global JsSetCurrentContext "JsSetCurrentContext" sptr
; JsSetCurrentContext context   ; 戻り値は stat
; context : void* -> "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 JsSetCurrentContext "JsSetCurrentContext" sptr
; res = JsSetCurrentContext(context)
; context : void* -> "sptr"

; JsErrorCode JsSetCurrentContext(void* context)
#uselib "chakra.dll"
#cfunc global JsSetCurrentContext "JsSetCurrentContext" intptr
; res = JsSetCurrentContext(context)
; context : void* -> "intptr"

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

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsSetCurrentContext = chakra.NewProc("JsSetCurrentContext")
)

// context (void*)
r1, _, err := procJsSetCurrentContext.Call(
	uintptr(context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode

function JsSetCurrentContext(
  context: Pointer   // void*
): DWORD; stdcall;
  external 'chakra.dll' name 'JsSetCurrentContext';

result := DllCall("chakra\JsSetCurrentContext"
    , "Ptr", context   ; void*
    , "UInt")   ; return: JsErrorCode

●JsSetCurrentContext(context) = DLL("chakra.dll", "dword JsSetCurrentContext(void*)")
# 呼び出し: JsSetCurrentContext(context)
# context : void* -> "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)。