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-rw-r--r--libdeno/binding.cc179
1 files changed, 19 insertions, 160 deletions
diff --git a/libdeno/binding.cc b/libdeno/binding.cc
index 495ed28eb..effb2a979 100644
--- a/libdeno/binding.cc
+++ b/libdeno/binding.cc
@@ -9,6 +9,7 @@
#include "third_party/v8/src/base/logging.h"
#include "deno.h"
+#include "exceptions.h"
#include "internal.h"
#define GLOBAL_IMPORT_BUF_SIZE 1024
@@ -43,10 +44,6 @@ v8::StartupData SerializeInternalFields(v8::Local<v8::Object> holder, int index,
return {payload, size};
}
-DenoIsolate* FromIsolate(v8::Isolate* isolate) {
- return static_cast<DenoIsolate*>(isolate->GetData(0));
-}
-
void AddDataRef(DenoIsolate* d, int32_t req_id, v8::Local<v8::Value> data_v) {
d->async_data_map_.emplace(std::piecewise_construct, std::make_tuple(req_id),
std::make_tuple(d->isolate_, data_v));
@@ -66,155 +63,6 @@ const char* ToCString(const v8::String::Utf8Value& value) {
return *value ? *value : "<string conversion failed>";
}
-std::string EncodeExceptionAsJSON(v8::Local<v8::Context> context,
- v8::Local<v8::Value> exception) {
- auto* isolate = context->GetIsolate();
- v8::HandleScope handle_scope(isolate);
- v8::Context::Scope context_scope(context);
-
- auto message = v8::Exception::CreateMessage(isolate, exception);
- auto stack_trace = message->GetStackTrace();
-
- // Encode the exception into a JS object, which we will then turn into JSON.
- auto json_obj = v8::Object::New(isolate);
-
- auto exception_str = exception->ToString(context).ToLocalChecked();
- // Alternate and very similar string. Not sure which is appropriate.
- // auto exception_str = message->Get();
- CHECK(json_obj->Set(context, v8_str("message"), exception_str).FromJust());
-
- auto maybe_source_line = message->GetSourceLine(context);
- if (!maybe_source_line.IsEmpty()) {
- CHECK(json_obj
- ->Set(context, v8_str("sourceLine"),
- maybe_source_line.ToLocalChecked())
- .FromJust());
- }
-
- CHECK(json_obj
- ->Set(context, v8_str("scriptResourceName"),
- message->GetScriptResourceName())
- .FromJust());
-
- auto maybe_line_number = message->GetLineNumber(context);
- if (maybe_line_number.IsJust()) {
- CHECK(json_obj
- ->Set(context, v8_str("lineNumber"),
- v8::Integer::New(isolate, maybe_line_number.FromJust()))
- .FromJust());
- }
-
- CHECK(json_obj
- ->Set(context, v8_str("startPosition"),
- v8::Integer::New(isolate, message->GetStartPosition()))
- .FromJust());
-
- CHECK(json_obj
- ->Set(context, v8_str("endPosition"),
- v8::Integer::New(isolate, message->GetEndPosition()))
- .FromJust());
-
- CHECK(json_obj
- ->Set(context, v8_str("errorLevel"),
- v8::Integer::New(isolate, message->ErrorLevel()))
- .FromJust());
-
- auto maybe_start_column = message->GetStartColumn(context);
- if (maybe_start_column.IsJust()) {
- auto start_column =
- v8::Integer::New(isolate, maybe_start_column.FromJust());
- CHECK(
- json_obj->Set(context, v8_str("startColumn"), start_column).FromJust());
- }
-
- auto maybe_end_column = message->GetEndColumn(context);
- if (maybe_end_column.IsJust()) {
- auto end_column = v8::Integer::New(isolate, maybe_end_column.FromJust());
- CHECK(json_obj->Set(context, v8_str("endColumn"), end_column).FromJust());
- }
-
- CHECK(json_obj
- ->Set(context, v8_str("isSharedCrossOrigin"),
- v8::Boolean::New(isolate, message->IsSharedCrossOrigin()))
- .FromJust());
-
- CHECK(json_obj
- ->Set(context, v8_str("isOpaque"),
- v8::Boolean::New(isolate, message->IsOpaque()))
- .FromJust());
-
- v8::Local<v8::Array> frames;
- if (!stack_trace.IsEmpty()) {
- uint32_t count = static_cast<uint32_t>(stack_trace->GetFrameCount());
- frames = v8::Array::New(isolate, count);
-
- for (uint32_t i = 0; i < count; ++i) {
- auto frame = stack_trace->GetFrame(isolate, i);
- auto frame_obj = v8::Object::New(isolate);
- CHECK(frames->Set(context, i, frame_obj).FromJust());
- auto line = v8::Integer::New(isolate, frame->GetLineNumber());
- auto column = v8::Integer::New(isolate, frame->GetColumn());
- CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
- CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
- CHECK(frame_obj
- ->Set(context, v8_str("functionName"), frame->GetFunctionName())
- .FromJust());
- // scriptName can be empty in special conditions e.g. eval
- auto scriptName = frame->GetScriptNameOrSourceURL();
- if (scriptName.IsEmpty()) {
- scriptName = v8_str("<unknown>");
- }
- CHECK(
- frame_obj->Set(context, v8_str("scriptName"), scriptName).FromJust());
- CHECK(frame_obj
- ->Set(context, v8_str("isEval"),
- v8::Boolean::New(isolate, frame->IsEval()))
- .FromJust());
- CHECK(frame_obj
- ->Set(context, v8_str("isConstructor"),
- v8::Boolean::New(isolate, frame->IsConstructor()))
- .FromJust());
- CHECK(frame_obj
- ->Set(context, v8_str("isWasm"),
- v8::Boolean::New(isolate, frame->IsWasm()))
- .FromJust());
- }
- } else {
- // No stack trace. We only have one stack frame of info..
- frames = v8::Array::New(isolate, 1);
-
- auto frame_obj = v8::Object::New(isolate);
- CHECK(frames->Set(context, 0, frame_obj).FromJust());
-
- auto line =
- v8::Integer::New(isolate, message->GetLineNumber(context).FromJust());
- auto column =
- v8::Integer::New(isolate, message->GetStartColumn(context).FromJust());
-
- CHECK(frame_obj->Set(context, v8_str("line"), line).FromJust());
- CHECK(frame_obj->Set(context, v8_str("column"), column).FromJust());
- CHECK(frame_obj
- ->Set(context, v8_str("scriptName"),
- message->GetScriptResourceName())
- .FromJust());
- }
-
- CHECK(json_obj->Set(context, v8_str("frames"), frames).FromJust());
-
- auto json_string = v8::JSON::Stringify(context, json_obj).ToLocalChecked();
- v8::String::Utf8Value json_string_(isolate, json_string);
- return std::string(ToCString(json_string_));
-}
-
-void HandleException(v8::Local<v8::Context> context,
- v8::Local<v8::Value> exception) {
- v8::Isolate* isolate = context->GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
- std::string json_str = EncodeExceptionAsJSON(context, exception);
- CHECK(d != nullptr);
- d->last_exception_ = json_str;
-}
-
void PromiseRejectCallback(v8::PromiseRejectMessage promise_reject_message) {
auto* isolate = v8::Isolate::GetCurrent();
DenoIsolate* d = static_cast<DenoIsolate*>(isolate->GetData(0));
@@ -256,7 +104,7 @@ void Print(const v8::FunctionCallbackInfo<v8::Value>& args) {
CHECK_GE(args.Length(), 1);
CHECK_LE(args.Length(), 3);
auto* isolate = args.GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
auto context = d->context_.Get(d->isolate_);
v8::HandleScope handle_scope(isolate);
v8::String::Utf8Value str(isolate, args[0]);
@@ -329,7 +177,7 @@ static deno_buf GetContents(v8::Isolate* isolate,
// Sets the recv_ callback.
void Recv(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Isolate* isolate = args.GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::HandleScope handle_scope(isolate);
@@ -348,7 +196,7 @@ void Recv(const v8::FunctionCallbackInfo<v8::Value>& args) {
void Send(const v8::FunctionCallbackInfo<v8::Value>& args) {
v8::Isolate* isolate = args.GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
@@ -401,7 +249,7 @@ v8::Local<v8::Object> DenoIsolate::GetBuiltinModules() {
void BuiltinModules(v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
info.GetReturnValue().Set(d->GetBuiltinModules());
@@ -410,7 +258,7 @@ void BuiltinModules(v8::Local<v8::Name> property,
void Shared(v8::Local<v8::Name> property,
const v8::PropertyCallbackInfo<v8::Value>& info) {
v8::Isolate* isolate = info.GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
DCHECK_EQ(d->isolate_, isolate);
v8::Locker locker(d->isolate_);
v8::EscapableHandleScope handle_scope(isolate);
@@ -480,7 +328,7 @@ v8::MaybeLocal<v8::Module> CompileModule(v8::Local<v8::Context> context,
if (!maybe_module.IsEmpty()) {
auto module = maybe_module.ToLocalChecked();
CHECK_EQ(v8::Module::kUninstantiated, module->GetStatus());
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
d->RegisterModule(js_filename, module);
}
@@ -491,7 +339,7 @@ v8::MaybeLocal<v8::Module> ResolveCallback(v8::Local<v8::Context> context,
v8::Local<v8::String> specifier,
v8::Local<v8::Module> referrer) {
auto* isolate = context->GetIsolate();
- DenoIsolate* d = FromIsolate(isolate);
+ DenoIsolate* d = DenoIsolate::FromIsolate(isolate);
v8::Isolate::Scope isolate_scope(isolate);
v8::EscapableHandleScope handle_scope(isolate);
@@ -702,6 +550,16 @@ void InitializeContext(v8::Isolate* isolate, v8::Local<v8::Context> context) {
.FromJust());
}
+void MessageCallback(v8::Local<v8::Message> message,
+ v8::Local<v8::Value> data) {
+ auto* isolate = message->GetIsolate();
+ DenoIsolate* d = static_cast<DenoIsolate*>(isolate->GetData(0));
+
+ v8::HandleScope handle_scope(isolate);
+ auto context = d->context_.Get(isolate);
+ HandleExceptionMessage(context, message);
+}
+
void DenoIsolate::AddIsolate(v8::Isolate* isolate) {
isolate_ = isolate;
// Leaving this code here because it will probably be useful later on, but
@@ -713,6 +571,7 @@ void DenoIsolate::AddIsolate(v8::Isolate* isolate) {
true, 10, v8::StackTrace::kDetailed);
isolate_->SetPromiseRejectCallback(deno::PromiseRejectCallback);
isolate_->SetData(0, this);
+ isolate_->AddMessageListener(MessageCallback);
}
} // namespace deno
generated by cgit v1.2.3 (git 2.25.1) at 2025-06-28 20:55:51 +0000