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JsCreateRuntime

関数
Chakra JavaScriptランタイムを作成する。
DLLchakra.dll呼出規約winapi

シグネチャ

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

JsErrorCode JsCreateRuntime(
    JsRuntimeAttributes attributes,
    JsRuntimeVersion runtimeVersion,
    JsThreadServiceCallback threadService,   // optional
    void** runtime
);

パラメーター

名前方向説明
attributesJsRuntimeAttributesinランタイムの動作を制御する属性フラグの列挙値。GC無効化やネイティブ呼び出し許可等を指定する。
runtimeVersionJsRuntimeVersionin使用するスクリプトエンジンのバージョンを示す列挙値。
threadServiceJsThreadServiceCallbackinoptionalバックグラウンド処理を委譲するスレッドサービスコールバック。不要ならNULL可。
runtimevoid**out作成されたランタイムのハンドルを受け取るポインタのアドレス。

戻り値の型: JsErrorCode

各言語での呼び出し定義

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

JsErrorCode JsCreateRuntime(
    JsRuntimeAttributes attributes,
    JsRuntimeVersion runtimeVersion,
    JsThreadServiceCallback threadService,   // optional
    void** runtime
);
[DllImport("chakra.dll", ExactSpelling = true)]
static extern uint JsCreateRuntime(
    int attributes,   // JsRuntimeAttributes
    int runtimeVersion,   // JsRuntimeVersion
    IntPtr threadService,   // JsThreadServiceCallback optional
    IntPtr runtime   // void** out
);
<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsCreateRuntime(
    attributes As Integer,   ' JsRuntimeAttributes
    runtimeVersion As Integer,   ' JsRuntimeVersion
    threadService As IntPtr,   ' JsThreadServiceCallback optional
    runtime As IntPtr   ' void** out
) As UInteger
End Function
' attributes : JsRuntimeAttributes
' runtimeVersion : JsRuntimeVersion
' threadService : JsThreadServiceCallback optional
' runtime : void** out
Declare PtrSafe Function JsCreateRuntime Lib "chakra" ( _
    ByVal attributes As Long, _
    ByVal runtimeVersion As Long, _
    ByVal threadService As LongPtr, _
    ByVal runtime 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

JsCreateRuntime = ctypes.windll.chakra.JsCreateRuntime
JsCreateRuntime.restype = wintypes.DWORD
JsCreateRuntime.argtypes = [
    ctypes.c_int,  # attributes : JsRuntimeAttributes
    ctypes.c_int,  # runtimeVersion : JsRuntimeVersion
    ctypes.c_void_p,  # threadService : JsThreadServiceCallback optional
    ctypes.c_void_p,  # runtime : void** out
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsCreateRuntime = Fiddle::Function.new(
  lib['JsCreateRuntime'],
  [
    Fiddle::TYPE_INT,  # attributes : JsRuntimeAttributes
    Fiddle::TYPE_INT,  # runtimeVersion : JsRuntimeVersion
    Fiddle::TYPE_VOIDP,  # threadService : JsThreadServiceCallback optional
    Fiddle::TYPE_VOIDP,  # runtime : void** out
  ],
  -Fiddle::TYPE_INT)
#[link(name = "chakra")]
extern "system" {
    fn JsCreateRuntime(
        attributes: i32,  // JsRuntimeAttributes
        runtimeVersion: i32,  // JsRuntimeVersion
        threadService: *const core::ffi::c_void,  // JsThreadServiceCallback optional
        runtime: *mut *mut ()  // void** out
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsCreateRuntime(int attributes, int runtimeVersion, IntPtr threadService, IntPtr runtime);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsCreateRuntime' -Namespace Win32 -PassThru
# $api::JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
#uselib "chakra.dll"
#func global JsCreateRuntime "JsCreateRuntime" sptr, sptr, sptr, sptr
; JsCreateRuntime attributes, runtimeVersion, threadService, runtime   ; 戻り値は stat
; attributes : JsRuntimeAttributes -> "sptr"
; runtimeVersion : JsRuntimeVersion -> "sptr"
; threadService : JsThreadServiceCallback optional -> "sptr"
; runtime : 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 JsCreateRuntime "JsCreateRuntime" int, int, sptr, sptr
; res = JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
; attributes : JsRuntimeAttributes -> "int"
; runtimeVersion : JsRuntimeVersion -> "int"
; threadService : JsThreadServiceCallback optional -> "sptr"
; runtime : void** out -> "sptr"
; JsErrorCode JsCreateRuntime(JsRuntimeAttributes attributes, JsRuntimeVersion runtimeVersion, JsThreadServiceCallback threadService, void** runtime)
#uselib "chakra.dll"
#cfunc global JsCreateRuntime "JsCreateRuntime" int, int, intptr, intptr
; res = JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
; attributes : JsRuntimeAttributes -> "int"
; runtimeVersion : JsRuntimeVersion -> "int"
; threadService : JsThreadServiceCallback optional -> "intptr"
; runtime : void** out -> "intptr"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsCreateRuntime = chakra.NewProc("JsCreateRuntime")
)

// attributes (JsRuntimeAttributes), runtimeVersion (JsRuntimeVersion), threadService (JsThreadServiceCallback optional), runtime (void** out)
r1, _, err := procJsCreateRuntime.Call(
	uintptr(attributes),
	uintptr(runtimeVersion),
	uintptr(threadService),
	uintptr(runtime),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode
function JsCreateRuntime(
  attributes: Integer;   // JsRuntimeAttributes
  runtimeVersion: Integer;   // JsRuntimeVersion
  threadService: Pointer;   // JsThreadServiceCallback optional
  runtime: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateRuntime';
result := DllCall("chakra\JsCreateRuntime"
    , "Int", attributes   ; JsRuntimeAttributes
    , "Int", runtimeVersion   ; JsRuntimeVersion
    , "Ptr", threadService   ; JsThreadServiceCallback optional
    , "Ptr", runtime   ; void** out
    , "UInt")   ; return: JsErrorCode
●JsCreateRuntime(attributes, runtimeVersion, threadService, runtime) = DLL("chakra.dll", "dword JsCreateRuntime(int, int, void*, void*)")
# 呼び出し: JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
# attributes : JsRuntimeAttributes -> "int"
# runtimeVersion : JsRuntimeVersion -> "int"
# threadService : JsThreadServiceCallback optional -> "void*"
# runtime : 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 JsCreateRuntime(
    attributes: i32, // JsRuntimeAttributes
    runtimeVersion: i32, // JsRuntimeVersion
    threadService: ?*anyopaque, // JsThreadServiceCallback optional
    runtime: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) u32;
proc JsCreateRuntime(
    attributes: int32,  # JsRuntimeAttributes
    runtimeVersion: int32,  # JsRuntimeVersion
    threadService: pointer,  # JsThreadServiceCallback optional
    runtime: pointer  # void** out
): uint32 {.importc: "JsCreateRuntime", stdcall, dynlib: "chakra.dll".}
pragma(lib, "chakra");
extern(Windows)
uint JsCreateRuntime(
    int attributes,   // JsRuntimeAttributes
    int runtimeVersion,   // JsRuntimeVersion
    void* threadService,   // JsThreadServiceCallback optional
    void** runtime   // void** out
);
ccall((:JsCreateRuntime, "chakra.dll"), stdcall, UInt32,
      (Int32, Int32, Ptr{Cvoid}, Ptr{Cvoid}),
      attributes, runtimeVersion, threadService, runtime)
# attributes : JsRuntimeAttributes -> Int32
# runtimeVersion : JsRuntimeVersion -> Int32
# threadService : JsThreadServiceCallback optional -> Ptr{Cvoid}
# runtime : 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 JsCreateRuntime(
    int32_t attributes,
    int32_t runtimeVersion,
    void* threadService,
    void** runtime);
]]
local chakra = ffi.load("chakra")
-- chakra.JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
-- attributes : JsRuntimeAttributes
-- runtimeVersion : JsRuntimeVersion
-- threadService : JsThreadServiceCallback optional
-- runtime : 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 JsCreateRuntime = lib.func('__stdcall', 'JsCreateRuntime', 'uint32_t', ['int32_t', 'int32_t', 'void *', 'void *']);
// JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
// attributes : JsRuntimeAttributes -> 'int32_t'
// runtimeVersion : JsRuntimeVersion -> 'int32_t'
// threadService : JsThreadServiceCallback optional -> 'void *'
// runtime : 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", {
  JsCreateRuntime: { parameters: ["i32", "i32", "pointer", "pointer"], result: "u32" },
});
// lib.symbols.JsCreateRuntime(attributes, runtimeVersion, threadService, runtime)
// attributes : JsRuntimeAttributes -> "i32"
// runtimeVersion : JsRuntimeVersion -> "i32"
// threadService : JsThreadServiceCallback optional -> "pointer"
// runtime : 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 JsCreateRuntime(
    int32_t attributes,
    int32_t runtimeVersion,
    void* threadService,
    void** runtime);
C, "chakra.dll");
// $ffi->JsCreateRuntime(attributes, runtimeVersion, threadService, runtime);
// attributes : JsRuntimeAttributes
// runtimeVersion : JsRuntimeVersion
// threadService : JsThreadServiceCallback optional
// runtime : 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 JsCreateRuntime(
        int attributes,   // JsRuntimeAttributes
        int runtimeVersion,   // JsRuntimeVersion
        Callback threadService,   // JsThreadServiceCallback optional
        Pointer runtime   // void** out
    );
}
@[Link("chakra")]
lib Libchakra
  fun JsCreateRuntime = JsCreateRuntime(
    attributes : Int32,   # JsRuntimeAttributes
    runtimeVersion : Int32,   # JsRuntimeVersion
    threadService : Void*,   # JsThreadServiceCallback optional
    runtime : 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 JsCreateRuntimeNative = Uint32 Function(Int32, Int32, Pointer<Void>, Pointer<Void>);
typedef JsCreateRuntimeDart = int Function(int, int, Pointer<Void>, Pointer<Void>);
final JsCreateRuntime = DynamicLibrary.open('chakra.dll')
    .lookupFunction<JsCreateRuntimeNative, JsCreateRuntimeDart>('JsCreateRuntime');
// attributes : JsRuntimeAttributes -> Int32
// runtimeVersion : JsRuntimeVersion -> Int32
// threadService : JsThreadServiceCallback optional -> Pointer<Void>
// runtime : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。
{$mode objfpc}{$H+}
function JsCreateRuntime(
  attributes: Integer;   // JsRuntimeAttributes
  runtimeVersion: Integer;   // JsRuntimeVersion
  threadService: Pointer;   // JsThreadServiceCallback optional
  runtime: Pointer   // void** out
): DWORD; stdcall;
  external 'chakra.dll' name 'JsCreateRuntime';
import Foreign
import Foreign.C.Types
import Foreign.C.String

foreign import stdcall safe "JsCreateRuntime"
  c_JsCreateRuntime :: Int32 -> Int32 -> Ptr () -> Ptr () -> IO Word32
-- attributes : JsRuntimeAttributes -> Int32
-- runtimeVersion : JsRuntimeVersion -> Int32
-- threadService : JsThreadServiceCallback optional -> Ptr ()
-- runtime : 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 jscreateruntime =
  foreign "JsCreateRuntime"
    (int32_t @-> int32_t @-> (ptr void) @-> (ptr void) @-> returning uint32_t)
(* attributes : JsRuntimeAttributes -> int32_t *)
(* runtimeVersion : JsRuntimeVersion -> int32_t *)
(* threadService : JsThreadServiceCallback optional -> (ptr void) *)
(* runtime : 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 ("JsCreateRuntime" js-create-runtime :convention :stdcall) :uint32
  (attributes :int32)   ; JsRuntimeAttributes
  (runtime-version :int32)   ; JsRuntimeVersion
  (thread-service :pointer)   ; JsThreadServiceCallback optional
  (runtime :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 $JsCreateRuntime = Win32::API::More->new('chakra',
    'DWORD JsCreateRuntime(int attributes, int runtimeVersion, LPVOID threadService, LPVOID runtime)');
# my $ret = $JsCreateRuntime->Call($attributes, $runtimeVersion, $threadService, $runtime);
# attributes : JsRuntimeAttributes -> int
# runtimeVersion : JsRuntimeVersion -> int
# threadService : JsThreadServiceCallback optional -> LPVOID
# runtime : 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。

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