1 /*
2 * Copyright (c) 2024 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15
16 #include "ecmascript/dfx/stackinfo/async_stack_trace.h"
17
18 #include "ecmascript/dfx/stackinfo/js_stackinfo.h"
19 #include "ecmascript/js_promise.h"
20 #include "ecmascript/ecma_vm.h"
21 #include "ecmascript/platform/async_detect.h"
22 #include "ecmascript/debugger/js_debugger_manager.h"
23
24 namespace panda::ecmascript {
AsyncStackTrace(EcmaVM * vm)25 AsyncStackTrace::AsyncStackTrace(EcmaVM *vm) : vm_(vm)
26 {
27 jsThread_ = vm->GetJSThread();
28 }
29
RegisterAsyncDetectCallBack()30 void AsyncStackTrace::RegisterAsyncDetectCallBack()
31 {
32 panda::ecmascript::RegisterAsyncDetectCallBack(vm_);
33 }
34
InsertAsyncStackTrace(const JSHandle<JSPromise> & promise)35 bool AsyncStackTrace::InsertAsyncStackTrace(const JSHandle<JSPromise> &promise)
36 {
37 std::string stack = JsStackInfo::BuildJsStackTrace(jsThread_, false, false);
38 if (stack.empty()) {
39 return false;
40 }
41 auto now = std::chrono::system_clock::now();
42 auto currentTime = std::chrono::duration_cast<std::chrono::milliseconds>(now.time_since_epoch()).count();
43 asyncStackTrace_.emplace(promise->GetAsyncTaskId(), std::make_pair(stack, currentTime));
44 return true;
45 }
46
RemoveAsyncStackTrace(const JSHandle<JSPromise> & promise)47 bool AsyncStackTrace::RemoveAsyncStackTrace(const JSHandle<JSPromise> &promise)
48 {
49 auto asyncStackTrace = asyncStackTrace_.find(promise->GetAsyncTaskId());
50 if (asyncStackTrace == asyncStackTrace_.end()) {
51 LOG_ECMA(INFO) << "Not find promise: " << promise->GetAsyncTaskId();
52 return false;
53 }
54 asyncStackTrace_.erase(asyncStackTrace);
55 return true;
56 }
57
GetCurrentAsyncParent()58 std::shared_ptr<AsyncStack> AsyncStackTrace::GetCurrentAsyncParent()
59 {
60 return currentAsyncParent_.empty() ? nullptr : currentAsyncParent_.back();
61 }
62
InsertAsyncTaskStacks(const JSHandle<JSPromise> & promise,const std::string & description)63 bool AsyncStackTrace::InsertAsyncTaskStacks(const JSHandle<JSPromise> &promise, const std::string &description)
64 {
65 uint32_t asyncTaskId = promise->GetAsyncTaskId();
66 std::shared_ptr<AsyncStack> asyncStack = std::make_shared<AsyncStack>();
67 auto notificationManager = vm_->GetJsDebuggerManager()->GetNotificationManager();
68 // await need to skip top frame
69 if (description == "await") {
70 notificationManager->GenerateAsyncFramesEvent(asyncStack, true);
71 } else {
72 notificationManager->GenerateAsyncFramesEvent(asyncStack, false);
73 }
74 asyncStack->SetDescription(description);
75 std::shared_ptr<AsyncStack> currentAsyncParent = GetCurrentAsyncParent();
76 if (currentAsyncParent) {
77 asyncStack->SetAsyncParent(currentAsyncParent);
78 }
79 asyncTaskStacks_.emplace(asyncTaskId, asyncStack);
80 return true;
81 }
82
InsertCurrentAsyncTaskStack(const JSTaggedValue & PromiseReaction)83 bool AsyncStackTrace::InsertCurrentAsyncTaskStack(const JSTaggedValue &PromiseReaction)
84 {
85 if (PromiseReaction.IsPromiseReaction()) {
86 JSTaggedValue promiseCapability = PromiseReaction::Cast(PromiseReaction)->GetPromiseCapability(jsThread_);
87 JSTaggedValue promise = PromiseCapability::Cast(promiseCapability)->GetPromise(jsThread_);
88 uint32_t asyncTaskId = JSPromise::Cast(promise)->GetAsyncTaskId();
89 auto stackIt = asyncTaskStacks_.find(asyncTaskId);
90 if (stackIt != asyncTaskStacks_.end()) {
91 currentAsyncParent_.emplace_back(stackIt->second);
92 } else {
93 currentAsyncParent_.emplace_back();
94 LOG_DEBUGGER(ERROR) << "Promise: " << asyncTaskId << " is not in asyncTaskStacks";
95 }
96 }
97 return true;
98 }
99
RemoveAsyncTaskStack(const JSTaggedValue & PromiseReaction)100 bool AsyncStackTrace::RemoveAsyncTaskStack(const JSTaggedValue &PromiseReaction)
101 {
102 if (PromiseReaction.IsPromiseReaction() && !currentAsyncParent_.empty()) {
103 currentAsyncParent_.pop_back();
104 }
105 return true;
106 }
107 } // namespace panda::ecmascript