Create JSCWrapper in C++ bridge
Reviewed By: bnham Differential Revision: D4082204 fbshipit-source-id: 03bff2ac53e6df931063fcd6ba6ad28dc5ae9562
This commit is contained in:
Pieter De Baets
Facebook Github Bot
Родитель
c8a5b42b45
Коммит
0c03b788d7
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/**
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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 "JSCWrapper.h"
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#if defined(__APPLE__)
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#include <glog/logging.h>
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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(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(configureJSCForIOS)
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bool JSSamplingProfilerEnabled() {
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return false;
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}
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namespace facebook {
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namespace react {
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static const JSCWrapper* s_customWrapper = nullptr;
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static JSCWrapper 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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.JSEvaluateScript = JSEvaluateScript,
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.JSEvaluateBytecodeBundle =
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(decltype(&JSEvaluateBytecodeBundle))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))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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.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))Unimplemented_JSPokeSamplingProfiler,
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.JSStartSamplingProfilingOnMainJSCThread =
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(decltype(&JSStartSamplingProfilingOnMainJSCThread))Unimplemented_JSStartSamplingProfilingOnMainJSCThread,
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.configureJSCForIOS = (decltype(&configureJSCForIOS))Unimplemented_configureJSCForIOS,
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.JSBytecodeFileFormatVersion = -1,
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.JSContext = nullptr,
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.JSValue = nullptr,
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};
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void setCustomJSCWrapper(const JSCWrapper* wrapper) {
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CHECK(s_customWrapper == nullptr) << "Can't set custom JSC wrapper multiple times";
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s_customWrapper = wrapper;
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}
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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.JSContext = objc_getClass("JSContext");
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s_systemWrapper.JSValue = objc_getClass("JSValue");
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});
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return &s_systemWrapper;
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}
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const JSCWrapper* customJSCWrapper() {
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CHECK(s_customWrapper != nullptr) << "Accessing custom JSC wrapper before it's set";
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return s_customWrapper;
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}
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} }
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#endif
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@ -0,0 +1,131 @@
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/**
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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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#pragma once
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#include <JavaScriptCore/JavaScript.h>
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#if WITH_FBJSCEXTENSIONS
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#include <jsc_stringref.h>
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#endif
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#if defined(__APPLE__)
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#import <objc/objc.h>
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#import <JavaScriptCore/JSStringRefCF.h>
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// This is used to substitute an alternate JSC implementation for
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// testing. These calls must all be ABI compatible with the standard JSC.
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extern void configureJSCForIOS();
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extern JSValueRef JSEvaluateBytecodeBundle(JSContextRef, JSObjectRef, int, JSStringRef, JSValueRef*);
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extern bool JSSamplingProfilerEnabled();
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extern void JSStartSamplingProfilingOnMainJSCThread(JSGlobalContextRef);
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extern JSValueRef JSPokeSamplingProfiler(JSContextRef);
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namespace facebook {
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namespace react {
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#define JSC_WRAPPER_METHOD(m) const decltype(&m) m
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struct JSCWrapper {
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// JSGlobalContext
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JSC_WRAPPER_METHOD(JSGlobalContextCreateInGroup);
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JSC_WRAPPER_METHOD(JSGlobalContextRelease);
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JSC_WRAPPER_METHOD(JSGlobalContextSetName);
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// JSContext
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JSC_WRAPPER_METHOD(JSContextGetGlobalContext);
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JSC_WRAPPER_METHOD(JSContextGetGlobalObject);
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// JSEvaluate
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JSC_WRAPPER_METHOD(JSEvaluateScript);
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JSC_WRAPPER_METHOD(JSEvaluateBytecodeBundle);
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// JSString
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JSC_WRAPPER_METHOD(JSStringCreateWithUTF8CString);
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JSC_WRAPPER_METHOD(JSStringCreateWithCFString);
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#if WITH_FBJSCEXTENSIONS
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JSC_WRAPPER_METHOD(JSStringCreateWithUTF8CStringExpectAscii);
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#endif
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JSC_WRAPPER_METHOD(JSStringCopyCFString);
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JSC_WRAPPER_METHOD(JSStringGetCharactersPtr);
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JSC_WRAPPER_METHOD(JSStringGetLength);
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JSC_WRAPPER_METHOD(JSStringGetMaximumUTF8CStringSize);
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JSC_WRAPPER_METHOD(JSStringIsEqualToUTF8CString);
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JSC_WRAPPER_METHOD(JSStringRelease);
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JSC_WRAPPER_METHOD(JSStringRetain);
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// JSClass
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JSC_WRAPPER_METHOD(JSClassCreate);
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JSC_WRAPPER_METHOD(JSClassRelease);
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// JSObject
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JSC_WRAPPER_METHOD(JSObjectCallAsConstructor);
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JSC_WRAPPER_METHOD(JSObjectCallAsFunction);
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JSC_WRAPPER_METHOD(JSObjectGetPrivate);
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JSC_WRAPPER_METHOD(JSObjectGetProperty);
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JSC_WRAPPER_METHOD(JSObjectGetPropertyAtIndex);
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JSC_WRAPPER_METHOD(JSObjectIsConstructor);
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JSC_WRAPPER_METHOD(JSObjectIsFunction);
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JSC_WRAPPER_METHOD(JSObjectMake);
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JSC_WRAPPER_METHOD(JSObjectMakeArray);
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JSC_WRAPPER_METHOD(JSObjectMakeError);
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JSC_WRAPPER_METHOD(JSObjectMakeFunctionWithCallback);
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JSC_WRAPPER_METHOD(JSObjectSetPrivate);
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JSC_WRAPPER_METHOD(JSObjectSetProperty);
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// JSPropertyNameArray
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JSC_WRAPPER_METHOD(JSObjectCopyPropertyNames);
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JSC_WRAPPER_METHOD(JSPropertyNameArrayGetCount);
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JSC_WRAPPER_METHOD(JSPropertyNameArrayGetNameAtIndex);
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JSC_WRAPPER_METHOD(JSPropertyNameArrayRelease);
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// JSValue
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JSC_WRAPPER_METHOD(JSValueCreateJSONString);
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JSC_WRAPPER_METHOD(JSValueGetType);
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JSC_WRAPPER_METHOD(JSValueMakeFromJSONString);
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JSC_WRAPPER_METHOD(JSValueMakeBoolean);
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JSC_WRAPPER_METHOD(JSValueMakeNull);
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JSC_WRAPPER_METHOD(JSValueMakeNumber);
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JSC_WRAPPER_METHOD(JSValueMakeString);
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JSC_WRAPPER_METHOD(JSValueMakeUndefined);
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JSC_WRAPPER_METHOD(JSValueProtect);
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JSC_WRAPPER_METHOD(JSValueToBoolean);
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JSC_WRAPPER_METHOD(JSValueToNumber);
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JSC_WRAPPER_METHOD(JSValueToObject);
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JSC_WRAPPER_METHOD(JSValueToStringCopy);
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JSC_WRAPPER_METHOD(JSValueUnprotect);
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// Sampling profiler
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JSC_WRAPPER_METHOD(JSSamplingProfilerEnabled);
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JSC_WRAPPER_METHOD(JSPokeSamplingProfiler);
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JSC_WRAPPER_METHOD(JSStartSamplingProfilingOnMainJSCThread);
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JSC_WRAPPER_METHOD(configureJSCForIOS);
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// Objective-C API
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Class JSContext;
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Class JSValue;
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const int32_t JSBytecodeFileFormatVersion;
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};
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template <typename T>
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bool isCustomJSCPtr(T *x) {
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return (uintptr_t)x & 0x1;
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}
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void setCustomJSCWrapper(const JSCWrapper* wrapper);
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// This will return a single value for the whole life of the process.
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const JSCWrapper *systemJSCWrapper();
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const JSCWrapper *customJSCWrapper();
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} }
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#endif
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