src: use custom TryCatch subclass

devsnek · BridgeAR · commit c957adb17193 · 2018-12-05T20:07:11.000+01:00
PR-URL: #24751 Reviewed-By: Joyee Cheung <joyeec9h3@gmail.com>
diff --git a/src/async_wrap.cc b/src/async_wrap.cc
@@ -58,6 +58,7 @@ using v8::WeakCallbackInfo;
 using v8::WeakCallbackType;
 
 using AsyncHooks = node::Environment::AsyncHooks;
+using TryCatchScope = node::errors::TryCatchScope;
 
 namespace node {
 
@@ -91,7 +92,7 @@ struct AsyncWrapObject : public AsyncWrap {
 static void DestroyAsyncIdsCallback(Environment* env, void* data) {
   Local<Function> fn = env->async_hooks_destroy_function();
 
-  FatalTryCatch try_catch(env);
+  TryCatchScope try_catch(env, TryCatchScope::CatchMode::kFatal);
 
   do {
     std::vector<double> destroy_async_id_list;
@@ -127,7 +128,7 @@ void Emit(Environment* env, double async_id, AsyncHooks::Fields type,
 
   HandleScope handle_scope(env->isolate());
   Local<Value> async_id_value = Number::New(env->isolate(), async_id);
-  FatalTryCatch try_catch(env);
+  TryCatchScope try_catch(env, TryCatchScope::CatchMode::kFatal);
   USE(fn->Call(env->context(), Undefined(env->isolate()), 1, &async_id_value));
 }
 
@@ -685,7 +686,7 @@ void AsyncWrap::EmitAsyncInit(Environment* env,
     object,
   };
 
-  FatalTryCatch try_catch(env);
+  TryCatchScope try_catch(env, TryCatchScope::CatchMode::kFatal);
   USE(init_fn->Call(env->context(), object, arraysize(argv), argv));
 }
 
@@ -788,7 +789,7 @@ Local<Object> AsyncWrap::GetOwner(Environment* env, Local<Object> obj) {
   EscapableHandleScope handle_scope(env->isolate());
   CHECK(!obj.IsEmpty());
 
-  TryCatch ignore_exceptions(env->isolate());
+  TryCatchScope ignore_exceptions(env);
   while (true) {
     Local<Value> owner;
     if (!obj->Get(env->context(),
diff --git a/src/env.cc b/src/env.cc
@@ -1,6 +1,7 @@
 #include "async_wrap.h"
 #include "node_buffer.h"
 #include "node_context_data.h"
+#include "node_errors.h"
 #include "node_file.h"
 #include "node_internals.h"
 #include "node_native_module.h"
@@ -15,6 +16,7 @@
 
 namespace node {
 
+using errors::TryCatchScope;
 using v8::Context;
 using v8::EmbedderGraph;
 using v8::External;
@@ -36,7 +38,6 @@ using v8::StackTrace;
 using v8::String;
 using v8::Symbol;
 using v8::TracingController;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::Value;
 using worker::Worker;
@@ -156,7 +157,7 @@ void Environment::TrackingTraceStateObserver::UpdateTraceCategoryState() {
   Local<Function> cb = env_->trace_category_state_function();
   if (cb.IsEmpty())
     return;
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env_);
   try_catch.SetVerbose(true);
   cb->Call(env_->context(), Undefined(isolate),
            0, nullptr).ToLocalChecked();
@@ -577,7 +578,7 @@ void Environment::RunAndClearNativeImmediates() {
     std::vector<NativeImmediateCallback> list;
     native_immediate_callbacks_.swap(list);
     auto drain_list = [&]() {
-      TryCatch try_catch(isolate());
+      TryCatchScope try_catch(this);
       for (auto it = list.begin(); it != list.end(); ++it) {
 #ifdef DEBUG
         v8::SealHandleScope seal_handle_scope(isolate());
@@ -642,7 +643,7 @@ void Environment::RunTimers(uv_timer_t* handle) {
   // impossible for us to end up in an infinite loop due to how the JS-side
   // is structured.
   do {
-    TryCatch try_catch(env->isolate());
+    TryCatchScope try_catch(env);
     try_catch.SetVerbose(true);
     ret = cb->Call(env->context(), process, 1, &arg);
   } while (ret.IsEmpty() && env->can_call_into_js());
diff --git a/src/js_stream.cc b/src/js_stream.cc
@@ -3,12 +3,15 @@
 #include "async_wrap.h"
 #include "env-inl.h"
 #include "node_buffer.h"
+#include "node_errors.h"
 #include "node_internals.h"
 #include "stream_base-inl.h"
 #include "v8.h"
 
 namespace node {
 
+using errors::TryCatchScope;
+
 using v8::Array;
 using v8::Context;
 using v8::FunctionCallbackInfo;
@@ -18,7 +21,6 @@ using v8::Int32;
 using v8::Local;
 using v8::Object;
 using v8::String;
-using v8::TryCatch;
 using v8::Value;
 
 
@@ -42,7 +44,7 @@ bool JSStream::IsAlive() {
 bool JSStream::IsClosing() {
   HandleScope scope(env()->isolate());
   Context::Scope context_scope(env()->context());
-  TryCatch try_catch(env()->isolate());
+  TryCatchScope try_catch(env());
   Local<Value> value;
   if (!MakeCallback(env()->isclosing_string(), 0, nullptr).ToLocal(&value)) {
     if (!try_catch.HasTerminated())
@@ -56,7 +58,7 @@ bool JSStream::IsClosing() {
 int JSStream::ReadStart() {
   HandleScope scope(env()->isolate());
   Context::Scope context_scope(env()->context());
-  TryCatch try_catch(env()->isolate());
+  TryCatchScope try_catch(env());
   Local<Value> value;
   int value_int = UV_EPROTO;
   if (!MakeCallback(env()->onreadstart_string(), 0, nullptr).ToLocal(&value) ||
@@ -71,7 +73,7 @@ int JSStream::ReadStart() {
 int JSStream::ReadStop() {
   HandleScope scope(env()->isolate());
   Context::Scope context_scope(env()->context());
-  TryCatch try_catch(env()->isolate());
+  TryCatchScope try_catch(env());
   Local<Value> value;
   int value_int = UV_EPROTO;
   if (!MakeCallback(env()->onreadstop_string(), 0, nullptr).ToLocal(&value) ||
@@ -91,7 +93,7 @@ int JSStream::DoShutdown(ShutdownWrap* req_wrap) {
     req_wrap->object()
   };
 
-  TryCatch try_catch(env()->isolate());
+  TryCatchScope try_catch(env());
   Local<Value> value;
   int value_int = UV_EPROTO;
   if (!MakeCallback(env()->onshutdown_string(),
@@ -126,7 +128,7 @@ int JSStream::DoWrite(WriteWrap* w,
     bufs_arr
   };
 
-  TryCatch try_catch(env()->isolate());
+  TryCatchScope try_catch(env());
   Local<Value> value;
   int value_int = UV_EPROTO;
   if (!MakeCallback(env()->onwrite_string(),
diff --git a/src/module_wrap.cc b/src/module_wrap.cc
@@ -14,6 +14,8 @@
 namespace node {
 namespace loader {
 
+using errors::TryCatchScope;
+
 using node::contextify::ContextifyContext;
 using node::url::URL;
 using node::url::URL_FLAGS_FAILED;
@@ -40,7 +42,6 @@ using v8::Promise;
 using v8::ScriptCompiler;
 using v8::ScriptOrigin;
 using v8::String;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::Value;
 
@@ -135,7 +136,7 @@ void ModuleWrap::New(const FunctionCallbackInfo<Value>& args) {
   }
 
   Environment::ShouldNotAbortOnUncaughtScope no_abort_scope(env);
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env);
   Local<Module> module;
 
   Local<PrimitiveArray> host_defined_options =
@@ -244,7 +245,7 @@ void ModuleWrap::Instantiate(const FunctionCallbackInfo<Value>& args) {
   ASSIGN_OR_RETURN_UNWRAP(&obj, args.This());
   Local<Context> context = obj->context_.Get(isolate);
   Local<Module> module = obj->module_.Get(isolate);
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env);
   Maybe<bool> ok = module->InstantiateModule(context, ResolveCallback);
 
   // clear resolve cache on instantiate
@@ -279,7 +280,7 @@ void ModuleWrap::Evaluate(const FunctionCallbackInfo<Value>& args) {
   bool break_on_sigint = args[1]->IsTrue();
 
   Environment::ShouldNotAbortOnUncaughtScope no_abort_scope(env);
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env);
 
   bool timed_out = false;
   bool received_signal = false;
diff --git a/src/node.cc b/src/node.cc
@@ -116,6 +116,7 @@ typedef int mode_t;
 
 namespace node {
 
+using errors::TryCatchScope;
 using native_module::NativeModuleLoader;
 using options_parser::kAllowedInEnvironment;
 using options_parser::kDisallowedInEnvironment;
@@ -154,7 +155,6 @@ using v8::SealHandleScope;
 using v8::SideEffectType;
 using v8::String;
 using v8::TracingController;
-using v8::TryCatch;
 using v8::Undefined;
 using v8::V8;
 using v8::Value;
@@ -746,7 +746,7 @@ static MaybeLocal<Value> ExecuteString(Environment* env,
                                        Local<String> source,
                                        Local<String> filename) {
   EscapableHandleScope scope(env->isolate());
-  TryCatch try_catch(env->isolate());
+  TryCatchScope try_catch(env);
 
   // try_catch must be nonverbose to disable FatalException() handler,
   // we will handle exceptions ourself.
@@ -1341,7 +1341,7 @@ static MaybeLocal<Function> GetBootstrapper(
     Local<String> script_name) {
   EscapableHandleScope scope(env->isolate());
 
-  TryCatch try_catch(env->isolate());
+  TryCatchScope try_catch(env);
 
   // Disable verbose mode to stop FatalException() handler from trying
   // to handle the exception. Errors this early in the start-up phase
@@ -1386,7 +1386,7 @@ static bool ExecuteBootstrapper(Environment* env, Local<Function> bootstrapper,
 void LoadEnvironment(Environment* env) {
   HandleScope handle_scope(env->isolate());
 
-  TryCatch try_catch(env->isolate());
+  TryCatchScope try_catch(env);
   // Disable verbose mode to stop FatalException() handler from trying
   // to handle the exception. Errors this early in the start-up phase
   // are not safe to ignore.
diff --git a/src/node_contextify.cc b/src/node_contextify.cc
@@ -31,6 +31,8 @@
 namespace node {
 namespace contextify {
 
+using errors::TryCatchScope;
+
 using v8::Array;
 using v8::ArrayBuffer;
 using v8::ArrayBufferView;
@@ -63,7 +65,6 @@ using v8::ScriptCompiler;
 using v8::ScriptOrigin;
 using v8::String;
 using v8::Symbol;
-using v8::TryCatch;
 using v8::Uint32;
 using v8::UnboundScript;
 using v8::Value;
@@ -245,7 +246,7 @@ void ContextifyContext::MakeContext(const FunctionCallbackInfo<Value>& args) {
   CHECK(args[4]->IsBoolean());
   options.allow_code_gen_wasm = args[4].As<Boolean>();
 
-  TryCatch try_catch(env->isolate());
+  TryCatchScope try_catch(env);
   ContextifyContext* context = new ContextifyContext(env, sandbox, options);
 
   if (try_catch.HasCaught()) {
@@ -705,7 +706,7 @@ void ContextifyScript::New(const FunctionCallbackInfo<Value>& args) {
   if (source.GetCachedData() != nullptr)
     compile_options = ScriptCompiler::kConsumeCodeCache;
 
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env);
   Environment::ShouldNotAbortOnUncaughtScope no_abort_scope(env);
   Context::Scope scope(parsing_context);
 
@@ -863,7 +864,7 @@ bool ContextifyScript::EvalMachine(Environment* env,
         "Script methods can only be called on script instances.");
     return false;
   }
-  TryCatch try_catch(env->isolate());
+  TryCatchScope try_catch(env);
   ContextifyScript* wrapped_script;
   ASSIGN_OR_RETURN_UNWRAP(&wrapped_script, args.Holder(), false);
   Local<UnboundScript> unbound_script =
@@ -1012,7 +1013,7 @@ void ContextifyContext::CompileFunction(
     options = ScriptCompiler::kConsumeCodeCache;
   }
 
-  TryCatch try_catch(isolate);
+  TryCatchScope try_catch(env);
   Context::Scope scope(parsing_context);
 
   // Read context extensions from buffer
diff --git a/src/node_contextify.h b/src/node_contextify.h
@@ -3,9 +3,10 @@
 
 #if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
 
-#include "node_internals.h"
-#include "node_context_data.h"
 #include "base_object-inl.h"
+#include "node_context_data.h"
+#include "node_errors.h"
+#include "node_internals.h"
 
 namespace node {
 namespace contextify {
diff --git a/src/node_errors.cc b/src/node_errors.cc
diff --git a/src/node_errors.h b/src/node_errors.h
diff --git a/src/node_url.cc b/src/node_url.cc
