150 lines
5.4 KiB
C++
150 lines
5.4 KiB
C++
/**
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* Copyright (c) 2016-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree. An additional grant
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* of patent rights can be found in the PATENTS file in the same directory.
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*/
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#include <jschelpers/JSCWrapper.h>
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#if defined(__APPLE__)
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#include <mutex>
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#include <objc/runtime.h>
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// Crash the app (with a descriptive stack trace) if a function that is not supported by
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// the system JSC is called.
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#define UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(FUNC_NAME) \
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static void Unimplemented_##FUNC_NAME(__unused void* args...) { \
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assert(false); \
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}
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(JSEvaluateBytecodeBundle)
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#if WITH_FBJSCEXTENSIONS
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(JSStringCreateWithUTF8CStringExpectAscii)
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#endif
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(JSPokeSamplingProfiler)
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(JSStartSamplingProfilingOnMainJSCThread)
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(JSInspectorGetInstance)
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(configureJSCForIOS)
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UNIMPLEMENTED_SYSTEM_JSC_FUNCTION(FBJSContextStartGCTimers)
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bool JSSamplingProfilerEnabled() {
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return false;
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}
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const int32_t JSNoBytecodeFileFormatVersion = -1;
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namespace facebook {
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namespace react {
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static JSCWrapper s_systemWrapper = {};
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const JSCWrapper* systemJSCWrapper() {
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// Note that this is not used on Android. All methods are statically linked instead.
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// Some fields are lazily initialized
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static std::once_flag flag;
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std::call_once(flag, []() {
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s_systemWrapper = {
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.JSGlobalContextCreateInGroup = JSGlobalContextCreateInGroup,
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.JSGlobalContextRelease = JSGlobalContextRelease,
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.JSGlobalContextSetName = JSGlobalContextSetName,
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.JSContextGetGlobalContext = JSContextGetGlobalContext,
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.JSContextGetGlobalObject = JSContextGetGlobalObject,
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.FBJSContextStartGCTimers =
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(decltype(&FBJSContextStartGCTimers))
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Unimplemented_FBJSContextStartGCTimers,
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.JSEvaluateScript = JSEvaluateScript,
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.JSEvaluateBytecodeBundle =
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(decltype(&JSEvaluateBytecodeBundle))
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Unimplemented_JSEvaluateBytecodeBundle,
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.JSStringCreateWithUTF8CString = JSStringCreateWithUTF8CString,
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.JSStringCreateWithCFString = JSStringCreateWithCFString,
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#if WITH_FBJSCEXTENSIONS
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.JSStringCreateWithUTF8CStringExpectAscii =
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(decltype(&JSStringCreateWithUTF8CStringExpectAscii))
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Unimplemented_JSStringCreateWithUTF8CStringExpectAscii,
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#endif
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.JSStringCopyCFString = JSStringCopyCFString,
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.JSStringGetCharactersPtr = JSStringGetCharactersPtr,
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.JSStringGetLength = JSStringGetLength,
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.JSStringGetMaximumUTF8CStringSize = JSStringGetMaximumUTF8CStringSize,
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.JSStringIsEqualToUTF8CString = JSStringIsEqualToUTF8CString,
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.JSStringRelease = JSStringRelease,
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.JSStringRetain = JSStringRetain,
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.JSClassCreate = JSClassCreate,
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.JSClassRelease = JSClassRelease,
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.JSObjectCallAsConstructor = JSObjectCallAsConstructor,
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.JSObjectCallAsFunction = JSObjectCallAsFunction,
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.JSObjectGetPrivate = JSObjectGetPrivate,
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.JSObjectGetProperty = JSObjectGetProperty,
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.JSObjectGetPropertyAtIndex = JSObjectGetPropertyAtIndex,
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.JSObjectIsConstructor = JSObjectIsConstructor,
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.JSObjectIsFunction = JSObjectIsFunction,
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.JSObjectMake = JSObjectMake,
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.JSObjectMakeArray = JSObjectMakeArray,
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.JSObjectMakeError = JSObjectMakeError,
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.JSObjectMakeFunctionWithCallback = JSObjectMakeFunctionWithCallback,
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.JSObjectSetPrivate = JSObjectSetPrivate,
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.JSObjectSetProperty = JSObjectSetProperty,
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.JSObjectSetPropertyAtIndex = JSObjectSetPropertyAtIndex,
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.JSObjectCopyPropertyNames = JSObjectCopyPropertyNames,
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.JSPropertyNameArrayGetCount = JSPropertyNameArrayGetCount,
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.JSPropertyNameArrayGetNameAtIndex = JSPropertyNameArrayGetNameAtIndex,
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.JSPropertyNameArrayRelease = JSPropertyNameArrayRelease,
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.JSValueCreateJSONString = JSValueCreateJSONString,
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.JSValueGetType = JSValueGetType,
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.JSValueMakeFromJSONString = JSValueMakeFromJSONString,
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.JSValueMakeBoolean = JSValueMakeBoolean,
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.JSValueMakeNull = JSValueMakeNull,
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.JSValueMakeNumber = JSValueMakeNumber,
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.JSValueMakeString = JSValueMakeString,
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.JSValueMakeUndefined = JSValueMakeUndefined,
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.JSValueProtect = JSValueProtect,
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.JSValueToBoolean = JSValueToBoolean,
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.JSValueToNumber = JSValueToNumber,
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.JSValueToObject = JSValueToObject,
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.JSValueToStringCopy = JSValueToStringCopy,
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.JSValueUnprotect = JSValueUnprotect,
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.JSSamplingProfilerEnabled = JSSamplingProfilerEnabled,
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.JSPokeSamplingProfiler =
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(decltype(&JSPokeSamplingProfiler))
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Unimplemented_JSPokeSamplingProfiler,
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.JSStartSamplingProfilingOnMainJSCThread =
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(decltype(&JSStartSamplingProfilingOnMainJSCThread))
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Unimplemented_JSStartSamplingProfilingOnMainJSCThread,
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.JSInspectorGetInstance =
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(decltype(&JSInspectorGetInstance))
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Unimplemented_JSInspectorGetInstance,
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.configureJSCForIOS =
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(decltype(&configureJSCForIOS))Unimplemented_configureJSCForIOS,
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.JSContext = objc_getClass("JSContext"),
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.JSValue = objc_getClass("JSValue"),
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.JSBytecodeFileFormatVersion = JSNoBytecodeFileFormatVersion,
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};
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});
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return &s_systemWrapper;
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}
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} }
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#endif
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