Win32 API 日本語リファレンス
ホームSystem.Js › JsStartProfiling

JsStartProfiling

関数
スクリプトエンジンのプロファイリングを開始する。
DLLchakra.dll呼出規約winapi

シグネチャ

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

JsErrorCode JsStartProfiling(
    IActiveScriptProfilerCallback* callback,
    PROFILER_EVENT_MASK eventMask,
    DWORD context
);

パラメーター

名前方向
callbackIActiveScriptProfilerCallback*in
eventMaskPROFILER_EVENT_MASKin
contextDWORDin

戻り値の型: JsErrorCode

各言語での呼び出し定義

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

JsErrorCode JsStartProfiling(
    IActiveScriptProfilerCallback* callback,
    PROFILER_EVENT_MASK eventMask,
    DWORD context
);
[DllImport("chakra.dll", ExactSpelling = true)]
static extern uint JsStartProfiling(
    IntPtr callback,   // IActiveScriptProfilerCallback*
    int eventMask,   // PROFILER_EVENT_MASK
    uint context   // DWORD
);
<DllImport("chakra.dll", ExactSpelling:=True)>
Public Shared Function JsStartProfiling(
    callback As IntPtr,   ' IActiveScriptProfilerCallback*
    eventMask As Integer,   ' PROFILER_EVENT_MASK
    context As UInteger   ' DWORD
) As UInteger
End Function
' callback : IActiveScriptProfilerCallback*
' eventMask : PROFILER_EVENT_MASK
' context : DWORD
Declare PtrSafe Function JsStartProfiling Lib "chakra" ( _
    ByVal callback As LongPtr, _
    ByVal eventMask As Long, _
    ByVal context As Long) As Long
' VBA7前提(PtrSafe)。32bit Office では LongPtr→Long。Integer=16bit / Long=32bit / LongLong=64bit。
import ctypes
from ctypes import wintypes

JsStartProfiling = ctypes.windll.chakra.JsStartProfiling
JsStartProfiling.restype = wintypes.DWORD
JsStartProfiling.argtypes = [
    ctypes.c_void_p,  # callback : IActiveScriptProfilerCallback*
    ctypes.c_int,  # eventMask : PROFILER_EVENT_MASK
    wintypes.DWORD,  # context : DWORD
]
require 'fiddle'
require 'fiddle/import'

lib = Fiddle.dlopen('chakra.dll')
JsStartProfiling = Fiddle::Function.new(
  lib['JsStartProfiling'],
  [
    Fiddle::TYPE_VOIDP,  # callback : IActiveScriptProfilerCallback*
    Fiddle::TYPE_INT,  # eventMask : PROFILER_EVENT_MASK
    -Fiddle::TYPE_INT,  # context : DWORD
  ],
  -Fiddle::TYPE_INT)
#[link(name = "chakra")]
extern "system" {
    fn JsStartProfiling(
        callback: *mut core::ffi::c_void,  // IActiveScriptProfilerCallback*
        eventMask: i32,  // PROFILER_EVENT_MASK
        context: u32  // DWORD
    ) -> u32;
}
// crates: windows-sys provides ready-made bindings for this API.
$sig = @"
[DllImport("chakra.dll")]
public static extern uint JsStartProfiling(IntPtr callback, int eventMask, uint context);
"@
$api = Add-Type -MemberDefinition $sig -Name 'chakra_JsStartProfiling' -Namespace Win32 -PassThru
# $api::JsStartProfiling(callback, eventMask, context)
#uselib "chakra.dll"
#func global JsStartProfiling "JsStartProfiling" sptr, sptr, sptr
; JsStartProfiling callback, eventMask, context   ; 戻り値は stat
; callback : IActiveScriptProfilerCallback* -> "sptr"
; eventMask : PROFILER_EVENT_MASK -> "sptr"
; context : DWORD -> "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 JsStartProfiling "JsStartProfiling" sptr, int, int
; res = JsStartProfiling(callback, eventMask, context)
; callback : IActiveScriptProfilerCallback* -> "sptr"
; eventMask : PROFILER_EVENT_MASK -> "int"
; context : DWORD -> "int"
; JsErrorCode JsStartProfiling(IActiveScriptProfilerCallback* callback, PROFILER_EVENT_MASK eventMask, DWORD context)
#uselib "chakra.dll"
#cfunc global JsStartProfiling "JsStartProfiling" intptr, int, int
; res = JsStartProfiling(callback, eventMask, context)
; callback : IActiveScriptProfilerCallback* -> "intptr"
; eventMask : PROFILER_EVENT_MASK -> "int"
; context : DWORD -> "int"
import (
	"golang.org/x/sys/windows"
	"unsafe"
)

var (
	chakra = windows.NewLazySystemDLL("chakra.dll")
	procJsStartProfiling = chakra.NewProc("JsStartProfiling")
)

// callback (IActiveScriptProfilerCallback*), eventMask (PROFILER_EVENT_MASK), context (DWORD)
r1, _, err := procJsStartProfiling.Call(
	uintptr(callback),
	uintptr(eventMask),
	uintptr(context),
)
_ = err  // syscall.Errno (valid when the call sets last-error)
_ = r1   // JsErrorCode
function JsStartProfiling(
  callback: Pointer;   // IActiveScriptProfilerCallback*
  eventMask: Integer;   // PROFILER_EVENT_MASK
  context: DWORD   // DWORD
): DWORD; stdcall;
  external 'chakra.dll' name 'JsStartProfiling';
result := DllCall("chakra\JsStartProfiling"
    , "Ptr", callback   ; IActiveScriptProfilerCallback*
    , "Int", eventMask   ; PROFILER_EVENT_MASK
    , "UInt", context   ; DWORD
    , "UInt")   ; return: JsErrorCode
●JsStartProfiling(callback, eventMask, context) = DLL("chakra.dll", "dword JsStartProfiling(void*, int, dword)")
# 呼び出し: JsStartProfiling(callback, eventMask, context)
# callback : IActiveScriptProfilerCallback* -> "void*"
# eventMask : PROFILER_EVENT_MASK -> "int"
# context : DWORD -> "dword"
# 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)。