JsParseSerializedScript
関数シリアライズ済みバイトコードから関数オブジェクトを生成する。
シグネチャ
// chakra.dll
#include <windows.h>
JsErrorCode JsParseSerializedScript(
LPCWSTR script,
BYTE* buffer,
UINT_PTR sourceContext,
LPCWSTR sourceUrl,
void** result
);パラメーター
| 名前 | 型 | 方向 | 説明 |
|---|---|---|---|
| script | LPCWSTR | in | バイトコード生成元の元ソースコード文字列(Unicode)。再解析時に参照される。 |
| buffer | BYTE* | in | JsSerializeScriptで生成済みのバイトコードバッファへのポインタ。 |
| sourceContext | UINT_PTR | in | このスクリプトを識別するためのソースコンテキスト識別子(ホスト定義)。 |
| sourceUrl | LPCWSTR | in | デバッグやエラー表示で使うソースのURLまたはファイル名(Unicode)。 |
| result | void** | out | 解析結果として生成された関数オブジェクト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 JsParseSerializedScript(
LPCWSTR script,
BYTE* buffer,
UINT_PTR sourceContext,
LPCWSTR sourceUrl,
void** result
);[DllImport("chakra.dll", ExactSpelling = true)]
static extern uint JsParseSerializedScript(
[MarshalAs(UnmanagedType.LPWStr)] string script, // LPCWSTR
IntPtr buffer, // BYTE*
UIntPtr sourceContext, // UINT_PTR
[MarshalAs(UnmanagedType.LPWStr)] string sourceUrl, // LPCWSTR
IntPtr result // void** out
);<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsParseSerializedScript(
<MarshalAs(UnmanagedType.LPWStr)> script As String, ' LPCWSTR
buffer As IntPtr, ' BYTE*
sourceContext As UIntPtr, ' UINT_PTR
<MarshalAs(UnmanagedType.LPWStr)> sourceUrl As String, ' LPCWSTR
result As IntPtr ' void** out
) As UInteger
End Function' script : LPCWSTR
' buffer : BYTE*
' sourceContext : UINT_PTR
' sourceUrl : LPCWSTR
' result : void** out
Declare PtrSafe Function JsParseSerializedScript Lib "chakra" ( _
ByVal script As LongPtr, _
ByVal buffer As LongPtr, _
ByVal sourceContext As LongPtr, _
ByVal sourceUrl As LongPtr, _
ByVal result 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
JsParseSerializedScript = ctypes.windll.chakra.JsParseSerializedScript
JsParseSerializedScript.restype = wintypes.DWORD
JsParseSerializedScript.argtypes = [
wintypes.LPCWSTR, # script : LPCWSTR
ctypes.POINTER(ctypes.c_ubyte), # buffer : BYTE*
ctypes.c_size_t, # sourceContext : UINT_PTR
wintypes.LPCWSTR, # sourceUrl : LPCWSTR
ctypes.c_void_p, # result : void** out
]require 'fiddle'
require 'fiddle/import'
lib = Fiddle.dlopen('chakra.dll')
JsParseSerializedScript = Fiddle::Function.new(
lib['JsParseSerializedScript'],
[
Fiddle::TYPE_VOIDP, # script : LPCWSTR
Fiddle::TYPE_VOIDP, # buffer : BYTE*
Fiddle::TYPE_UINTPTR_T, # sourceContext : UINT_PTR
Fiddle::TYPE_VOIDP, # sourceUrl : LPCWSTR
Fiddle::TYPE_VOIDP, # result : void** out
],
-Fiddle::TYPE_INT)#[link(name = "chakra")]
extern "system" {
fn JsParseSerializedScript(
script: *const u16, // LPCWSTR
buffer: *mut u8, // BYTE*
sourceContext: usize, // UINT_PTR
sourceUrl: *const u16, // LPCWSTR
result: *mut *mut () // void** out
) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsParseSerializedScript([MarshalAs(UnmanagedType.LPWStr)] string script, IntPtr buffer, UIntPtr sourceContext, [MarshalAs(UnmanagedType.LPWStr)] string sourceUrl, IntPtr result);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsParseSerializedScript' -Namespace Win32 -PassThru
# $api::JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result)#uselib "chakra.dll"
#func global JsParseSerializedScript "JsParseSerializedScript" sptr, sptr, sptr, sptr, sptr
; JsParseSerializedScript script, varptr(buffer), sourceContext, sourceUrl, result ; 戻り値は stat
; script : LPCWSTR -> "sptr"
; buffer : BYTE* -> "sptr"
; sourceContext : UINT_PTR -> "sptr"
; sourceUrl : LPCWSTR -> "sptr"
; result : 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。出力引数:
#uselib "chakra.dll" #cfunc global JsParseSerializedScript "JsParseSerializedScript" wstr, var, sptr, wstr, sptr ; res = JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result) ; script : LPCWSTR -> "wstr" ; buffer : BYTE* -> "var" ; sourceContext : UINT_PTR -> "sptr" ; sourceUrl : LPCWSTR -> "wstr" ; result : void** out -> "sptr" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。#uselib "chakra.dll" #cfunc global JsParseSerializedScript "JsParseSerializedScript" wstr, sptr, sptr, wstr, sptr ; res = JsParseSerializedScript(script, varptr(buffer), sourceContext, sourceUrl, result) ; script : LPCWSTR -> "wstr" ; buffer : BYTE* -> "sptr" ; sourceContext : UINT_PTR -> "sptr" ; sourceUrl : LPCWSTR -> "wstr" ; result : void** out -> "sptr" ; ※出力/バッファ引数はポインタ方式(token=sptr / 呼び出しは varptr(変数))。
出力引数:
; JsErrorCode JsParseSerializedScript(LPCWSTR script, BYTE* buffer, UINT_PTR sourceContext, LPCWSTR sourceUrl, void** result) #uselib "chakra.dll" #cfunc global JsParseSerializedScript "JsParseSerializedScript" wstr, var, intptr, wstr, intptr ; res = JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result) ; script : LPCWSTR -> "wstr" ; buffer : BYTE* -> "var" ; sourceContext : UINT_PTR -> "intptr" ; sourceUrl : LPCWSTR -> "wstr" ; result : void** out -> "intptr" ; ※出力/バッファ引数は var 方式(変数を直接渡す)。varptr 方式にも切替可。; JsErrorCode JsParseSerializedScript(LPCWSTR script, BYTE* buffer, UINT_PTR sourceContext, LPCWSTR sourceUrl, void** result) #uselib "chakra.dll" #cfunc global JsParseSerializedScript "JsParseSerializedScript" wstr, intptr, intptr, wstr, intptr ; res = JsParseSerializedScript(script, varptr(buffer), sourceContext, sourceUrl, result) ; script : LPCWSTR -> "wstr" ; buffer : BYTE* -> "intptr" ; sourceContext : UINT_PTR -> "intptr" ; sourceUrl : LPCWSTR -> "wstr" ; result : void** out -> "intptr" ; ※出力/バッファ引数はポインタ方式(token=intptr / 呼び出しは varptr(変数))。
import (
"golang.org/x/sys/windows"
"unsafe"
)
var (
chakra = windows.NewLazySystemDLL("chakra.dll")
procJsParseSerializedScript = chakra.NewProc("JsParseSerializedScript")
)
// script (LPCWSTR), buffer (BYTE*), sourceContext (UINT_PTR), sourceUrl (LPCWSTR), result (void** out)
r1, _, err := procJsParseSerializedScript.Call(
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(script))),
uintptr(buffer),
uintptr(sourceContext),
uintptr(unsafe.Pointer(windows.StringToUTF16Ptr(sourceUrl))),
uintptr(result),
)
_ = err // syscall.Errno (valid when the call sets last-error)
_ = r1 // JsErrorCodefunction JsParseSerializedScript(
script: PWideChar; // LPCWSTR
buffer: Pointer; // BYTE*
sourceContext: NativeUInt; // UINT_PTR
sourceUrl: PWideChar; // LPCWSTR
result: Pointer // void** out
): DWORD; stdcall;
external 'chakra.dll' name 'JsParseSerializedScript';result := DllCall("chakra\JsParseSerializedScript"
, "WStr", script ; LPCWSTR
, "Ptr", buffer ; BYTE*
, "UPtr", sourceContext ; UINT_PTR
, "WStr", sourceUrl ; LPCWSTR
, "Ptr", result ; void** out
, "UInt") ; return: JsErrorCode●JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result) = DLL("chakra.dll", "dword JsParseSerializedScript(char*, void*, int, char*, void*)")
# 呼び出し: JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result)
# script : LPCWSTR -> "char*"
# buffer : BYTE* -> "void*"
# sourceContext : UINT_PTR -> "int"
# sourceUrl : LPCWSTR -> "char*"
# result : 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 JsParseSerializedScript(
script: [*c]const u16, // LPCWSTR
buffer: [*c]u8, // BYTE*
sourceContext: usize, // UINT_PTR
sourceUrl: [*c]const u16, // LPCWSTR
result: ?*anyopaque // void** out
) callconv(std.os.windows.WINAPI) u32;proc JsParseSerializedScript(
script: WideCString, # LPCWSTR
buffer: ptr uint8, # BYTE*
sourceContext: uint, # UINT_PTR
sourceUrl: WideCString, # LPCWSTR
result: pointer # void** out
): uint32 {.importc: "JsParseSerializedScript", stdcall, dynlib: "chakra.dll".}pragma(lib, "chakra");
extern(Windows)
uint JsParseSerializedScript(
const(wchar)* script, // LPCWSTR
ubyte* buffer, // BYTE*
size_t sourceContext, // UINT_PTR
const(wchar)* sourceUrl, // LPCWSTR
void** result // void** out
);ccall((:JsParseSerializedScript, "chakra.dll"), stdcall, UInt32,
(Cwstring, Ptr{UInt8}, Csize_t, Cwstring, Ptr{Cvoid}),
script, buffer, sourceContext, sourceUrl, result)
# script : LPCWSTR -> Cwstring
# buffer : BYTE* -> Ptr{UInt8}
# sourceContext : UINT_PTR -> Csize_t
# sourceUrl : LPCWSTR -> Cwstring
# result : 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 JsParseSerializedScript(
const uint16_t* script,
uint8_t* buffer,
uintptr_t sourceContext,
const uint16_t* sourceUrl,
void** result);
]]
local chakra = ffi.load("chakra")
-- chakra.JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result)
-- script : LPCWSTR
-- buffer : BYTE*
-- sourceContext : UINT_PTR
-- sourceUrl : LPCWSTR
-- result : 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 JsParseSerializedScript = lib.func('__stdcall', 'JsParseSerializedScript', 'uint32_t', ['str16', 'uint8_t *', 'uintptr_t', 'str16', 'void *']);
// JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result)
// script : LPCWSTR -> 'str16'
// buffer : BYTE* -> 'uint8_t *'
// sourceContext : UINT_PTR -> 'uintptr_t'
// sourceUrl : LPCWSTR -> 'str16'
// result : void** out -> 'void *'
// 出力ポインタは koffi.out(...) で包む。構造体は koffi.struct で定義。const lib = Deno.dlopen("chakra.dll", {
JsParseSerializedScript: { parameters: ["buffer", "pointer", "usize", "buffer", "pointer"], result: "u32" },
});
// lib.symbols.JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result)
// script : LPCWSTR -> "buffer"
// buffer : BYTE* -> "pointer"
// sourceContext : UINT_PTR -> "usize"
// sourceUrl : LPCWSTR -> "buffer"
// result : 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 JsParseSerializedScript(
const uint16_t* script,
uint8_t* buffer,
size_t sourceContext,
const uint16_t* sourceUrl,
void** result);
C, "chakra.dll");
// $ffi->JsParseSerializedScript(script, buffer, sourceContext, sourceUrl, result);
// script : LPCWSTR
// buffer : BYTE*
// sourceContext : UINT_PTR
// sourceUrl : LPCWSTR
// result : void** out
// 構造体/GUIDへのポインタは cdef が通るよう void* で表記(実型は各引数コメント参照)。値渡し構造体・enum は対応する typedef を cdef に追加すること。
// WINAPI(stdcall): x64 では呼出規約が統一されるため問題なし。x86 では __stdcall 対応のラッパが必要な場合あり。import com.sun.jna.*;
import com.sun.jna.ptr.*;
import com.sun.jna.win32.StdCallLibrary;
import com.sun.jna.win32.W32APIOptions;
public interface Chakra extends StdCallLibrary {
Chakra INSTANCE = Native.load("chakra", Chakra.class);
int JsParseSerializedScript(
WString script, // LPCWSTR
byte[] buffer, // BYTE*
long sourceContext, // UINT_PTR
WString sourceUrl, // LPCWSTR
Pointer result // void** out
);
}@[Link("chakra")]
lib Libchakra
fun JsParseSerializedScript = JsParseSerializedScript(
script : UInt16*, # LPCWSTR
buffer : UInt8*, # BYTE*
sourceContext : LibC::SizeT, # UINT_PTR
sourceUrl : UInt16*, # LPCWSTR
result : Void** # void** out
) : UInt32
end
# 構造体/GUID/enum は lib 内に対応する型定義が必要。
# 呼出規約: x64 は規約統一のため OK。x86(32bit)は WINAPI=stdcall だが Crystal の fun に stdcall 付与構文がなく非対応。import 'dart:ffi';
import 'package:ffi/ffi.dart';
typedef JsParseSerializedScriptNative = Uint32 Function(Pointer<Utf16>, Pointer<Uint8>, UintPtr, Pointer<Utf16>, Pointer<Void>);
typedef JsParseSerializedScriptDart = int Function(Pointer<Utf16>, Pointer<Uint8>, int, Pointer<Utf16>, Pointer<Void>);
final JsParseSerializedScript = DynamicLibrary.open('chakra.dll')
.lookupFunction<JsParseSerializedScriptNative, JsParseSerializedScriptDart>('JsParseSerializedScript');
// script : LPCWSTR -> Pointer<Utf16>
// buffer : BYTE* -> Pointer<Uint8>
// sourceContext : UINT_PTR -> UintPtr
// sourceUrl : LPCWSTR -> Pointer<Utf16>
// result : void** out -> Pointer<Void>
// 文字列は package:ffi の "...".toNativeUtf16()/toNativeUtf8() で変換。{$mode objfpc}{$H+}
function JsParseSerializedScript(
script: PWideChar; // LPCWSTR
buffer: Pointer; // BYTE*
sourceContext: NativeUInt; // UINT_PTR
sourceUrl: PWideChar; // LPCWSTR
result: Pointer // void** out
): DWORD; stdcall;
external 'chakra.dll' name 'JsParseSerializedScript';import Foreign
import Foreign.C.Types
import Foreign.C.String
foreign import stdcall safe "JsParseSerializedScript"
c_JsParseSerializedScript :: CWString -> Ptr Word8 -> CUIntPtr -> CWString -> Ptr () -> IO Word32
-- script : LPCWSTR -> CWString
-- buffer : BYTE* -> Ptr Word8
-- sourceContext : UINT_PTR -> CUIntPtr
-- sourceUrl : LPCWSTR -> CWString
-- result : 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 jsparseserializedscript =
foreign "JsParseSerializedScript"
((ptr uint16_t) @-> (ptr uint8_t) @-> size_t @-> (ptr uint16_t) @-> (ptr void) @-> returning uint32_t)
(* script : LPCWSTR -> (ptr uint16_t) *)
(* buffer : BYTE* -> (ptr uint8_t) *)
(* sourceContext : UINT_PTR -> size_t *)
(* sourceUrl : LPCWSTR -> (ptr uint16_t) *)
(* result : 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 ("JsParseSerializedScript" js-parse-serialized-script :convention :stdcall) :uint32
(script (:string :encoding :utf-16le)) ; LPCWSTR
(buffer :pointer) ; BYTE*
(source-context :uint64) ; UINT_PTR
(source-url (:string :encoding :utf-16le)) ; LPCWSTR
(result :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 $JsParseSerializedScript = Win32::API::More->new('chakra',
'DWORD JsParseSerializedScript(LPCWSTR script, LPVOID buffer, WPARAM sourceContext, LPCWSTR sourceUrl, LPVOID result)');
# my $ret = $JsParseSerializedScript->Call($script, $buffer, $sourceContext, $sourceUrl, $result);
# script : LPCWSTR -> LPCWSTR
# buffer : BYTE* -> LPVOID
# sourceContext : UINT_PTR -> WPARAM
# sourceUrl : LPCWSTR -> LPCWSTR
# result : 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。関連項目
使用する型