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e541d9b108
Reviewed By: bnham Differential Revision: D4197369 fbshipit-source-id: 53869fe1b56010c8a5330025d06ef557369e4957
50 lines
1.2 KiB
C++
50 lines
1.2 KiB
C++
// Copyright 2004-present Facebook. All Rights Reserved.
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#include "JSCMemory.h"
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#ifdef WITH_FB_MEMORY_PROFILING
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#include <stdio.h>
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#include <string.h>
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#include <JavaScriptCore/API/JSProfilerPrivate.h>
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#include <jschelpers/JSCHelpers.h>
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#include <jschelpers/Value.h>
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using namespace facebook::react;
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static JSValueRef nativeCaptureHeap(
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JSContextRef ctx,
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JSObjectRef function,
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JSObjectRef thisObject,
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size_t argumentCount,
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const JSValueRef arguments[],
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JSValueRef* exception) {
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if (argumentCount < 1) {
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if (exception) {
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*exception = Value::makeError(
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ctx,
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"nativeCaptureHeap requires the path to save the capture");
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}
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return Value::makeUndefined(ctx);
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}
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auto outputFilename = String::adopt(
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ctx, JSValueToStringCopy(ctx, arguments[0], exception));
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JSCaptureHeap(ctx, outputFilename.str().c_str(), exception);
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return Value::makeUndefined(ctx);
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}
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#endif // WITH_FB_MEMORY_PROFILING
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namespace facebook {
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namespace react {
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void addNativeMemoryHooks(JSGlobalContextRef ctx) {
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#ifdef WITH_FB_MEMORY_PROFILING
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installGlobalFunction(ctx, "nativeCaptureHeap", nativeCaptureHeap);
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#endif // WITH_FB_MEMORY_PROFILING
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}
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} }
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