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DataWrapper.h
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711 lines (594 loc) · 15.8 KB
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#ifndef DataWrapper_h
#define DataWrapper_h
#include <thread>
#include <functional>
#include "Metadata.h"
#include "libffi.h"
#include "ConcurrentQueue.h"
#include "Common.h"
namespace tns {
class PrimitiveDataWrapper;
enum class WrapperType {
Base = 1 << 0,
Primitive = 1 << 1,
Enum = 1 << 2,
Struct = 1 << 3,
StructType = 1 << 4,
ObjCAllocObject = 1 << 5,
ObjCObject = 1 << 6,
ObjCClass = 1 << 7,
ObjCProtocol = 1 << 8,
Function = 1 << 9,
AnonymousFunction = 1 << 10,
Block = 1 << 11,
Reference = 1 << 12,
ReferenceType = 1 << 13,
Pointer = 1 << 14,
PointerType = 1 << 15,
FunctionReference = 1 << 16,
FunctionReferenceType = 1 << 17,
ExtVector = 1 << 18,
Worker = 1 << 19,
UnmanagedType = 1 << 20,
};
struct V8Args {
public:
virtual v8::Local<v8::Value> operator[](int i) const = 0;
virtual size_t Length() const = 0;
};
struct V8FunctionCallbackArgs: public V8Args {
public:
V8FunctionCallbackArgs(const v8::FunctionCallbackInfo<v8::Value>& info)
: info_(info) {
}
v8::Local<v8::Value> operator[](int i) const override {
return this->info_[i];
}
size_t Length() const override {
return this->info_.Length();
}
private:
const v8::FunctionCallbackInfo<v8::Value>& info_;
};
struct V8VectorArgs: public V8Args {
public:
V8VectorArgs(const std::vector<v8::Local<v8::Value>>& args)
: args_(args) {
}
v8::Local<v8::Value> operator[](int i) const override {
return this->args_[i];
}
size_t Length() const override {
return this->args_.size();
}
private:
const std::vector<v8::Local<v8::Value>>& args_;
};
struct V8SimpleValueArgs: public V8Args {
public:
V8SimpleValueArgs(v8::Local<v8::Value>& value)
: value_(value) {
}
v8::Local<v8::Value> operator[](int i) const override {
return this->value_;
}
size_t Length() const override {
return 1;
}
private:
v8::Local<v8::Value>& value_;
};
struct V8EmptyValueArgs: public V8Args {
public:
v8::Local<v8::Value> operator[](int i) const override {
return v8::Local<v8::Value>();
}
size_t Length() const override {
return 0;
}
};
struct StructField {
public:
StructField(ptrdiff_t offset, ffi_type* ffiType, std::string name, const TypeEncoding* encoding)
: offset_(offset),
ffiType_(ffiType),
name_(name),
encoding_(encoding) {
}
ptrdiff_t Offset() {
return this->offset_;
}
ffi_type* FFIType() {
return this->ffiType_;
}
std::string Name() {
return this->name_;
}
const TypeEncoding* Encoding() {
return this->encoding_;
}
private:
ptrdiff_t offset_;
ffi_type* ffiType_;
std::string name_;
const TypeEncoding* encoding_;
};
struct StructInfo {
public:
StructInfo(std::string name, ffi_type* ffiType, std::vector<StructField> fields)
: name_(name),
ffiType_(ffiType),
fields_(fields) {
}
std::string Name() const {
return this->name_;
}
ffi_type* FFIType() const {
return this->ffiType_;
}
std::vector<StructField> Fields() {
return this->fields_;
}
private:
std::string name_;
ffi_type* ffiType_;
std::vector<StructField> fields_;
};
class BaseDataWrapper {
public:
BaseDataWrapper()
: gcProtected_(false) {
}
virtual ~BaseDataWrapper() = default;
const virtual WrapperType Type() {
return WrapperType::Base;
}
bool IsGcProtected() {
return this->gcProtected_;
}
void GcProtect() {
this->gcProtected_ = true;
}
void GcUnprotect() {
this->gcProtected_ = false;
}
private:
bool gcProtected_;
};
class EnumDataWrapper: public BaseDataWrapper {
public:
EnumDataWrapper(std::string jsCode)
: jsCode_(jsCode) {
}
const WrapperType Type() {
return WrapperType::Enum;
}
std::string JSCode() {
return jsCode_;
}
private:
std::string jsCode_;
};
class PointerTypeWrapper: public BaseDataWrapper {
public:
const WrapperType Type() {
return WrapperType::PointerType;
}
};
class PointerWrapper: public BaseDataWrapper {
public:
PointerWrapper(void* data)
: data_(data),
isAdopted_(false) {
}
const WrapperType Type() {
return WrapperType::Pointer;
}
void* Data() const {
return this->data_;
}
void SetData(void* data) {
this->data_ = data;
}
bool IsAdopted() const {
return this->isAdopted_;
}
void SetAdopted(bool value) {
this->isAdopted_ = value;
}
private:
void* data_;
bool isAdopted_;
};
class ReferenceTypeWrapper: public BaseDataWrapper {
public:
const WrapperType Type() {
return WrapperType::ReferenceType;
}
};
class ReferenceWrapper: public BaseDataWrapper {
public:
ReferenceWrapper(BaseDataWrapper* typeWrapper, v8::Persistent<v8::Value>* value)
: typeWrapper_(typeWrapper),
value_(value),
encoding_(nullptr),
data_(nullptr),
disposeData_(false) {
}
~ReferenceWrapper() {
if(this->value_ != nullptr) {
value_->Reset();
delete value_;
}
if (this->data_ != nullptr) {
std::free(this->data_);
}
}
const WrapperType Type() {
return WrapperType::Reference;
}
BaseDataWrapper* TypeWrapper() {
return this->typeWrapper_;
}
v8::Persistent<v8::Value>* Value() {
return this->value_;
}
void SetValue(v8::Persistent<v8::Value>* value) {
if (this->value_ != nullptr) {
this->value_->Reset();
}
this->value_ = value;
}
const TypeEncoding* Encoding() {
return this->encoding_;
}
void SetEncoding(const TypeEncoding* encoding) {
this->encoding_ = encoding;
}
void* Data() const {
return this->data_;
}
void SetData(void* data, bool disposeData = false) {
if (this->data_ != nullptr && this->disposeData_) {
std::free(this->data_);
}
this->data_ = data;
this->disposeData_ = disposeData;
}
private:
BaseDataWrapper* typeWrapper_;
v8::Persistent<v8::Value>* value_;
const TypeEncoding* encoding_;
void* data_;
bool disposeData_;
};
class PrimitiveDataWrapper: public BaseDataWrapper {
public:
PrimitiveDataWrapper(size_t size,const TypeEncoding* typeEncoding, bool autoDeleteEncoding)
: size_(size),
typeEncoding_(typeEncoding),
autoDeleteEncoding_(autoDeleteEncoding) {
}
~PrimitiveDataWrapper() {
if (autoDeleteEncoding_) {
std::free((struct TypeEncoding*)typeEncoding_);
}
}
const WrapperType Type() {
return WrapperType::Primitive;
}
size_t Size() {
return this->size_;
}
const TypeEncoding* TypeEncoding() {
return this->typeEncoding_;
}
private:
size_t size_;
const struct TypeEncoding* typeEncoding_;
bool autoDeleteEncoding_;
};
class StructTypeWrapper: public BaseDataWrapper {
public:
StructTypeWrapper(StructInfo structInfo)
: structInfo_(structInfo) {
}
const WrapperType Type() {
return WrapperType::StructType;
}
const StructInfo StructInfo() {
return this->structInfo_;
}
private:
struct StructInfo structInfo_;
};
class StructWrapper: public StructTypeWrapper {
public:
StructWrapper(struct StructInfo structInfo, void* data, std::shared_ptr<v8::Persistent<v8::Value>> parent)
: StructTypeWrapper(structInfo),
data_(data),
childCount_(0),
parent_(parent) {
}
const WrapperType Type() {
return WrapperType::Struct;
}
void* Data() const {
return this->data_;
}
std::shared_ptr<v8::Persistent<v8::Value>> Parent() {
return this->parent_;
}
void IncrementChildren() {
this->childCount_++;
}
void DecrementChildren() {
this->childCount_--;
}
int ChildCount() {
return this->childCount_;
}
private:
void* data_;
int childCount_;
std::shared_ptr<v8::Persistent<v8::Value>> parent_;
};
class ObjCAllocDataWrapper: public BaseDataWrapper {
public:
ObjCAllocDataWrapper(Class klass)
: klass_(klass) {
}
const WrapperType Type() {
return WrapperType::ObjCAllocObject;
}
Class Klass() {
return this->klass_;
}
private:
Class klass_;
};
class UnmanagedTypeWrapper: public BaseDataWrapper {
public:
UnmanagedTypeWrapper(uint8_t* data, const TypeEncoding* typeEncoding)
: data_(data), typeEncoding_(typeEncoding), valueTaken_(false) {
}
const WrapperType Type() {
return WrapperType::UnmanagedType;
}
uint8_t* Data() {
this->valueTaken_ = true;
return this->data_;
}
const TypeEncoding* TypeEncoding() {
return this->typeEncoding_;
}
bool ValueTaken() {
return this->valueTaken_;
}
private:
uint8_t* data_;
const tns::TypeEncoding* typeEncoding_;
bool valueTaken_;
};
class ObjCDataWrapper: public BaseDataWrapper {
public:
ObjCDataWrapper(id data, const TypeEncoding* typeEncoding = nullptr)
: data_(data), typeEncoding_(typeEncoding) {
}
const WrapperType Type() {
return WrapperType::ObjCObject;
}
id Data() {
return this->data_;
}
const TypeEncoding* TypeEncoding() {
return this->typeEncoding_;
}
private:
id data_;
const tns::TypeEncoding* typeEncoding_;
};
class ObjCClassWrapper: public BaseDataWrapper {
public:
ObjCClassWrapper(Class klazz, bool extendedClass = false)
: klass_(klazz),
extendedClass_(extendedClass) {
}
const WrapperType Type() {
return WrapperType::ObjCClass;
}
Class Klass() {
return this->klass_;
}
bool ExtendedClass() {
return this->extendedClass_;
}
private:
Class klass_;
bool extendedClass_;
};
class ObjCProtocolWrapper: public BaseDataWrapper {
public:
ObjCProtocolWrapper(Protocol* proto, const ProtocolMeta* protoMeta)
: proto_(proto),
protoMeta_(protoMeta) {
}
const WrapperType Type() {
return WrapperType::ObjCProtocol;
}
Protocol* Proto() {
return this->proto_;
}
const ProtocolMeta* ProtoMeta() {
return this->protoMeta_;
}
private:
Protocol* proto_;
const ProtocolMeta* protoMeta_;
};
class FunctionWrapper: public BaseDataWrapper {
public:
FunctionWrapper(const FunctionMeta* meta)
: meta_(meta) {
}
const WrapperType Type() {
return WrapperType::Function;
}
const FunctionMeta* Meta() {
return this->meta_;
}
private:
const FunctionMeta* meta_;
};
class AnonymousFunctionWrapper: public BaseDataWrapper {
public:
AnonymousFunctionWrapper(void* functionPointer, const TypeEncoding* parametersEncoding, size_t parametersCount)
: data_(functionPointer),
parametersEncoding_(parametersEncoding) {
}
const WrapperType Type() {
return WrapperType::AnonymousFunction;
}
void* Data() {
return this->data_;
}
const TypeEncoding* ParametersEncoding() {
return this->parametersEncoding_;
}
private:
void* data_;
const TypeEncoding* parametersEncoding_;
};
class BlockWrapper: public BaseDataWrapper {
public:
BlockWrapper(void* block, const TypeEncoding* typeEncoding, bool ownsBlock)
: block_(block),
typeEncoding_(typeEncoding),
ownsBlock_(ownsBlock) {
}
const WrapperType Type() {
return WrapperType::Block;
}
void* Block() {
return this->block_;
}
const TypeEncoding* Encodings() {
return this->typeEncoding_;
}
bool OwnsBlock() {
return this->ownsBlock_;
}
private:
void* block_;
const TypeEncoding* typeEncoding_;
bool ownsBlock_;
};
class FunctionReferenceTypeWrapper: public BaseDataWrapper {
public:
const WrapperType Type() {
return WrapperType::FunctionReferenceType;
}
};
class FunctionReferenceWrapper: public BaseDataWrapper {
public:
FunctionReferenceWrapper(std::shared_ptr<v8::Persistent<v8::Value>> function)
: function_(function),
data_(nullptr) {
}
const WrapperType Type() {
return WrapperType::FunctionReference;
}
std::shared_ptr<v8::Persistent<v8::Value>> Function() {
return this->function_;
}
void* Data() const {
return this->data_;
}
void SetData(void* data) {
this->data_ = data;
}
private:
std::shared_ptr<v8::Persistent<v8::Value>> function_;
void* data_;
};
class ExtVectorWrapper: public BaseDataWrapper {
public:
ExtVectorWrapper(void* data, ffi_type* ffiType, const TypeEncoding* innerTypeEncoding, const TypeEncoding* typeEncoding)
: data_(data),
ffiType_(ffiType),
innerTypeEncoding_(innerTypeEncoding),
typeEncoding_(typeEncoding) {
}
const WrapperType Type() {
return WrapperType::ExtVector;
}
void* Data() {
return this->data_;
}
ffi_type* FFIType() {
return this->ffiType_;
}
const TypeEncoding* InnerTypeEncoding() {
return this->innerTypeEncoding_;
}
const TypeEncoding* TypeEncoding() {
return this->typeEncoding_;
}
private:
void* data_;
ffi_type* ffiType_;
const struct TypeEncoding* innerTypeEncoding_;
const struct TypeEncoding* typeEncoding_;
};
class WorkerWrapper: public BaseDataWrapper {
public:
WorkerWrapper(v8::Isolate* mainIsolate, std::function<void (v8::Isolate*, v8::Local<v8::Object> thiz, std::shared_ptr<worker::Message>)> onMessage);
void Start(std::shared_ptr<v8::Persistent<v8::Value>> poWorker, std::function<v8::Isolate* ()> func);
void CallOnErrorHandlers(v8::TryCatch& tc);
void PassUncaughtExceptionFromWorkerToMain(v8::Local<v8::Context> context, v8::TryCatch& tc, bool async = true);
// Overload to pass a pre-built error payload when a TryCatch isn't available
// Note: this overload accepts only primitive types to avoid passing V8 handles
// across isolates/threads.
void PassUncaughtExceptionFromWorkerToMain(const std::string& message, const std::string& source, const std::string& stackTrace, int lineNumber, bool async = true);
void PostMessage(std::shared_ptr<worker::Message> message);
void Close();
void Terminate();
const WrapperType Type();
const int Id();
const inline bool isDisposed() {
return isDisposed_;
}
const bool IsRunning();
const bool IsClosing();
const int WorkerId();
const inline v8::Isolate* GetMainIsolate() {
return mainIsolate_;
}
const inline v8::Isolate* GetWorkerIsolate() {
return workerIsolate_;
}
const inline void MakeWeak() {
isWeak_ = true;
}
const inline bool IsWeak() {
return isWeak_;
}
private:
v8::Isolate* mainIsolate_;
v8::Isolate* workerIsolate_;
bool isRunning_;
bool isClosing_;
std::atomic<bool> isTerminating_;
bool isDisposed_;
bool isWeak_;
std::function<void (v8::Isolate*, v8::Local<v8::Object> thiz, std::shared_ptr<worker::Message>)> onMessage_;
std::shared_ptr<v8::Persistent<v8::Value>> poWorker_;
ConcurrentQueue queue_;
static std::atomic<int> nextId_;
int workerId_;
void BackgroundLooper(std::function<v8::Isolate* ()> func);
void DrainPendingTasks();
v8::Local<v8::Object> ConstructErrorObject(v8::Local<v8::Context> context, std::string message, std::string source, std::string stackTrace, int lineNumber);
};
}
#endif /* DataWrapper_h */