| OLD | NEW |
| (Empty) |
| 1 // Copyright 2014 PDFium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 // Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com | |
| 6 | |
| 7 #include "fxjse/runtime.h" | |
| 8 | |
| 9 #include <algorithm> | |
| 10 | |
| 11 #include "fpdfsdk/jsapi/include/fxjs_v8.h" | |
| 12 #include "fxjse/scope_inline.h" | |
| 13 | |
| 14 // Duplicates fpdfsdk's cjs_runtime.h, but keeps XFA from depending on it. | |
| 15 // TODO(tsepez): make a single version of this. | |
| 16 class FXJSE_ArrayBufferAllocator : public v8::ArrayBuffer::Allocator { | |
| 17 void* Allocate(size_t length) override { return calloc(1, length); } | |
| 18 void* AllocateUninitialized(size_t length) override { return malloc(length); } | |
| 19 void Free(void* data, size_t length) override { free(data); } | |
| 20 }; | |
| 21 | |
| 22 static void FXJSE_KillV8() { | |
| 23 v8::V8::Dispose(); | |
| 24 } | |
| 25 | |
| 26 void FXJSE_Initialize() { | |
| 27 if (!CFXJSE_IsolateTracker::g_pInstance) | |
| 28 CFXJSE_IsolateTracker::g_pInstance = new CFXJSE_IsolateTracker; | |
| 29 | |
| 30 static FX_BOOL bV8Initialized = FALSE; | |
| 31 if (bV8Initialized) | |
| 32 return; | |
| 33 | |
| 34 bV8Initialized = TRUE; | |
| 35 atexit(FXJSE_KillV8); | |
| 36 } | |
| 37 | |
| 38 static void FXJSE_Runtime_DisposeCallback(v8::Isolate* pIsolate, bool bOwned) { | |
| 39 if (FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate)) { | |
| 40 delete pData->m_pFXJSERuntimeData; | |
| 41 pData->m_pFXJSERuntimeData = nullptr; | |
| 42 } | |
| 43 if (bOwned) | |
| 44 pIsolate->Dispose(); | |
| 45 } | |
| 46 | |
| 47 void FXJSE_Finalize() { | |
| 48 if (!CFXJSE_IsolateTracker::g_pInstance) | |
| 49 return; | |
| 50 | |
| 51 CFXJSE_IsolateTracker::g_pInstance->RemoveAll(FXJSE_Runtime_DisposeCallback); | |
| 52 delete CFXJSE_IsolateTracker::g_pInstance; | |
| 53 CFXJSE_IsolateTracker::g_pInstance = nullptr; | |
| 54 } | |
| 55 | |
| 56 v8::Isolate* FXJSE_Runtime_Create_Own() { | |
| 57 v8::Isolate::CreateParams params; | |
| 58 params.array_buffer_allocator = new FXJSE_ArrayBufferAllocator(); | |
| 59 v8::Isolate* pIsolate = v8::Isolate::New(params); | |
| 60 ASSERT(pIsolate && CFXJSE_IsolateTracker::g_pInstance); | |
| 61 CFXJSE_IsolateTracker::g_pInstance->Append(pIsolate); | |
| 62 return pIsolate; | |
| 63 } | |
| 64 | |
| 65 void FXJSE_Runtime_Release(v8::Isolate* pIsolate) { | |
| 66 if (!pIsolate) | |
| 67 return; | |
| 68 CFXJSE_IsolateTracker::g_pInstance->Remove(pIsolate, | |
| 69 FXJSE_Runtime_DisposeCallback); | |
| 70 } | |
| 71 | |
| 72 CFXJSE_RuntimeData::CFXJSE_RuntimeData(v8::Isolate* pIsolate) | |
| 73 : m_pIsolate(pIsolate) {} | |
| 74 | |
| 75 CFXJSE_RuntimeData::~CFXJSE_RuntimeData() {} | |
| 76 | |
| 77 CFXJSE_RuntimeData* CFXJSE_RuntimeData::Create(v8::Isolate* pIsolate) { | |
| 78 CFXJSE_RuntimeData* pRuntimeData = new CFXJSE_RuntimeData(pIsolate); | |
| 79 CFXJSE_ScopeUtil_IsolateHandle scope(pIsolate); | |
| 80 v8::Local<v8::FunctionTemplate> hFuncTemplate = | |
| 81 v8::FunctionTemplate::New(pIsolate); | |
| 82 v8::Local<v8::ObjectTemplate> hGlobalTemplate = | |
| 83 hFuncTemplate->InstanceTemplate(); | |
| 84 hGlobalTemplate->Set( | |
| 85 v8::Symbol::GetToStringTag(pIsolate), | |
| 86 v8::String::NewFromUtf8(pIsolate, "global", v8::NewStringType::kNormal) | |
| 87 .ToLocalChecked()); | |
| 88 v8::Local<v8::Context> hContext = | |
| 89 v8::Context::New(pIsolate, 0, hGlobalTemplate); | |
| 90 hContext->SetSecurityToken(v8::External::New(pIsolate, pIsolate)); | |
| 91 pRuntimeData->m_hRootContextGlobalTemplate.Reset(pIsolate, hFuncTemplate); | |
| 92 pRuntimeData->m_hRootContext.Reset(pIsolate, hContext); | |
| 93 return pRuntimeData; | |
| 94 } | |
| 95 | |
| 96 CFXJSE_RuntimeData* CFXJSE_RuntimeData::Get(v8::Isolate* pIsolate) { | |
| 97 FXJS_PerIsolateData::SetUp(pIsolate); | |
| 98 FXJS_PerIsolateData* pData = FXJS_PerIsolateData::Get(pIsolate); | |
| 99 if (!pData->m_pFXJSERuntimeData) | |
| 100 pData->m_pFXJSERuntimeData = CFXJSE_RuntimeData::Create(pIsolate); | |
| 101 return pData->m_pFXJSERuntimeData; | |
| 102 } | |
| 103 | |
| 104 CFXJSE_IsolateTracker* CFXJSE_IsolateTracker::g_pInstance = nullptr; | |
| 105 | |
| 106 CFXJSE_IsolateTracker::CFXJSE_IsolateTracker() {} | |
| 107 | |
| 108 CFXJSE_IsolateTracker::~CFXJSE_IsolateTracker() {} | |
| 109 | |
| 110 void CFXJSE_IsolateTracker::Append(v8::Isolate* pIsolate) { | |
| 111 m_OwnedIsolates.push_back(pIsolate); | |
| 112 } | |
| 113 | |
| 114 void CFXJSE_IsolateTracker::Remove( | |
| 115 v8::Isolate* pIsolate, | |
| 116 CFXJSE_IsolateTracker::DisposeCallback lpfnDisposeCallback) { | |
| 117 auto it = std::find(m_OwnedIsolates.begin(), m_OwnedIsolates.end(), pIsolate); | |
| 118 bool bFound = it != m_OwnedIsolates.end(); | |
| 119 if (bFound) | |
| 120 m_OwnedIsolates.erase(it); | |
| 121 lpfnDisposeCallback(pIsolate, bFound); | |
| 122 } | |
| 123 | |
| 124 void CFXJSE_IsolateTracker::RemoveAll( | |
| 125 CFXJSE_IsolateTracker::DisposeCallback lpfnDisposeCallback) { | |
| 126 for (v8::Isolate* pIsolate : m_OwnedIsolates) | |
| 127 lpfnDisposeCallback(pIsolate, true); | |
| 128 | |
| 129 m_OwnedIsolates.clear(); | |
| 130 } | |
| OLD | NEW |