node/src/node_contextify.h at 841f6b3abf8dc48b74bb00a378ba3a08726aadec · nodejs/node · GitHub

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#ifndef SRC_NODE_CONTEXTIFY_H_

#define SRC_NODE_CONTEXTIFY_H_

#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#include "base_object-inl.h"

#include "node_context_data.h"

#include "node_errors.h"

namespace node {

class ExternalReferenceRegistry;

namespace contextify {

class MicrotaskQueueWrap : public BaseObject {

public:

MicrotaskQueueWrap(Environment* env, v8::Local<v8::Object> obj);

const std::shared_ptr<v8::MicrotaskQueue>& microtask_queue() const;

static void Init(Environment* env, v8::Local<v8::Object> target);

static void RegisterExternalReferences(ExternalReferenceRegistry* registry);

static void New(const v8::FunctionCallbackInfo<v8::Value>& args);

// This could have methods for running the microtask queue, if we ever decide

// to make that fully customizable from userland.

SET_NO_MEMORY_INFO()

SET_MEMORY_INFO_NAME(MicrotaskQueueWrap)

SET_SELF_SIZE(MicrotaskQueueWrap)

private:

std::shared_ptr<v8::MicrotaskQueue> microtask_queue_;

};

struct ContextOptions {

v8::Local<v8::String> name;

v8::Local<v8::String> origin;

v8::Local<v8::Boolean> allow_code_gen_strings;

v8::Local<v8::Boolean> allow_code_gen_wasm;

BaseObjectPtr<MicrotaskQueueWrap> microtask_queue_wrap;

};

class ContextifyContext : public BaseObject {

public:

ContextifyContext(Environment* env,

v8::Local<v8::Object> wrapper,

v8::Local<v8::Context> v8_context,

const ContextOptions& options);

~ContextifyContext();

void MemoryInfo(MemoryTracker* tracker) const override;

SET_MEMORY_INFO_NAME(ContextifyContext)

SET_SELF_SIZE(ContextifyContext)

static v8::MaybeLocal<v8::Context> CreateV8Context(

v8::Isolate* isolate,

v8::Local<v8::ObjectTemplate> object_template,

const SnapshotData* snapshot_data,

v8::MicrotaskQueue* queue);

static void Init(Environment* env, v8::Local<v8::Object> target);

static void RegisterExternalReferences(ExternalReferenceRegistry* registry);

static ContextifyContext* ContextFromContextifiedSandbox(

Environment* env,

const v8::Local<v8::Object>& sandbox);

inline v8::Local<v8::Context> context() const {

return PersistentToLocal::Default(env()->isolate(), context_);

}

inline v8::Local<v8::Object> global_proxy() const {

return context()->Global();

}

inline v8::Local<v8::Object> sandbox() const {

return context()->GetEmbedderData(ContextEmbedderIndex::kSandboxObject)

.As<v8::Object>();

}

inline std::shared_ptr<v8::MicrotaskQueue> microtask_queue() const {

if (!microtask_queue_wrap_) return {};

return microtask_queue_wrap_->microtask_queue();

}

template <typename T>

static ContextifyContext* Get(const v8::PropertyCallbackInfo<T>& args);

static ContextifyContext* Get(v8::Local<v8::Object> object);

static void InitializeGlobalTemplates(IsolateData* isolate_data);

private:

static BaseObjectPtr<ContextifyContext> New(Environment* env,

v8::Local<v8::Object> sandbox_obj,

const ContextOptions& options);

// Initialize a context created from CreateV8Context()

static BaseObjectPtr<ContextifyContext> New(v8::Local<v8::Context> ctx,

Environment* env,

v8::Local<v8::Object> sandbox_obj,

const ContextOptions& options);

static bool IsStillInitializing(const ContextifyContext* ctx);

static void MakeContext(const v8::FunctionCallbackInfo<v8::Value>& args);

static void IsContext(const v8::FunctionCallbackInfo<v8::Value>& args);

static void CompileFunction(

const v8::FunctionCallbackInfo<v8::Value>& args);

static void WeakCallback(

const v8::WeakCallbackInfo<ContextifyContext>& data);

static void PropertyGetterCallback(

v8::Local<v8::Name> property,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void PropertySetterCallback(

v8::Local<v8::Name> property,

v8::Local<v8::Value> value,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void PropertyDescriptorCallback(

v8::Local<v8::Name> property,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void PropertyDefinerCallback(

v8::Local<v8::Name> property,

const v8::PropertyDescriptor& desc,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void PropertyDeleterCallback(

v8::Local<v8::Name> property,

const v8::PropertyCallbackInfo<v8::Boolean>& args);

static void PropertyEnumeratorCallback(

const v8::PropertyCallbackInfo<v8::Array>& args);

static void IndexedPropertyGetterCallback(

uint32_t index,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void IndexedPropertySetterCallback(

uint32_t index,

v8::Local<v8::Value> value,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void IndexedPropertyDescriptorCallback(

uint32_t index,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void IndexedPropertyDefinerCallback(

uint32_t index,

const v8::PropertyDescriptor& desc,

const v8::PropertyCallbackInfo<v8::Value>& args);

static void IndexedPropertyDeleterCallback(

uint32_t index,

const v8::PropertyCallbackInfo<v8::Boolean>& args);

v8::Global<v8::Context> context_;

BaseObjectPtr<MicrotaskQueueWrap> microtask_queue_wrap_;

};

class ContextifyScript : public BaseObject {

public:

SET_NO_MEMORY_INFO()

SET_MEMORY_INFO_NAME(ContextifyScript)

SET_SELF_SIZE(ContextifyScript)

ContextifyScript(Environment* env, v8::Local<v8::Object> object);

~ContextifyScript() override;

static void Init(Environment* env, v8::Local<v8::Object> target);

static void RegisterExternalReferences(ExternalReferenceRegistry* registry);

static void New(const v8::FunctionCallbackInfo<v8::Value>& args);

static bool InstanceOf(Environment* env, const v8::Local<v8::Value>& args);

static void CreateCachedData(const v8::FunctionCallbackInfo<v8::Value>& args);

static void RunInContext(const v8::FunctionCallbackInfo<v8::Value>& args);

static bool EvalMachine(v8::Local<v8::Context> context,

Environment* env,

const int64_t timeout,

const bool display_errors,

const bool break_on_sigint,

const bool break_on_first_line,

std::shared_ptr<v8::MicrotaskQueue> microtask_queue,

const v8::FunctionCallbackInfo<v8::Value>& args);

inline uint32_t id() { return id_; }

private:

v8::Global<v8::UnboundScript> script_;

uint32_t id_;

};

class CompiledFnEntry final : public BaseObject {

public:

SET_NO_MEMORY_INFO()

SET_MEMORY_INFO_NAME(CompiledFnEntry)

SET_SELF_SIZE(CompiledFnEntry)

CompiledFnEntry(Environment* env,

v8::Local<v8::Object> object,

uint32_t id,

v8::Local<v8::Function> fn);

~CompiledFnEntry();

bool IsNotIndicativeOfMemoryLeakAtExit() const override { return true; }

private:

uint32_t id_;

v8::Global<v8::Function> fn_;

static void WeakCallback(const v8::WeakCallbackInfo<CompiledFnEntry>& data);

};

v8::Maybe<bool> StoreCodeCacheResult(

Environment* env,

v8::Local<v8::Object> target,

v8::ScriptCompiler::CompileOptions compile_options,

const v8::ScriptCompiler::Source& source,

bool produce_cached_data,

std::unique_ptr<v8::ScriptCompiler::CachedData> new_cached_data);

} // namespace contextify

} // namespace node

#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS

#endif // SRC_NODE_CONTEXTIFY_H_

node/src/node_contextify.h at 841f6b3abf8dc48b74bb00a378ba3a08726aadec · nodejs/node · GitHub

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