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module_wrap.h
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120 lines (98 loc) · 3.93 KB
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#ifndef SRC_MODULE_WRAP_H_
#define SRC_MODULE_WRAP_H_
#if defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#include <unordered_map>
#include <string>
#include <vector>
#include "base_object.h"
namespace node {
class IsolateData;
class Environment;
class ExternalReferenceRegistry;
namespace contextify {
class ContextifyContext;
}
namespace loader {
enum ScriptType : int {
kScript,
kModule,
kFunction,
};
enum HostDefinedOptions : int {
kID = 8,
kLength = 9,
};
class ModuleWrap : public BaseObject {
public:
enum InternalFields {
kModuleSlot = BaseObject::kInternalFieldCount,
kURLSlot,
kSyntheticEvaluationStepsSlot,
kContextObjectSlot, // Object whose creation context is the target Context
kInternalFieldCount
};
static void CreatePerIsolateProperties(IsolateData* isolate_data,
v8::Local<v8::ObjectTemplate> target);
static void CreatePerContextProperties(v8::Local<v8::Object> target,
v8::Local<v8::Value> unused,
v8::Local<v8::Context> context,
void* priv);
static void RegisterExternalReferences(ExternalReferenceRegistry* registry);
static void HostInitializeImportMetaObjectCallback(
v8::Local<v8::Context> context,
v8::Local<v8::Module> module,
v8::Local<v8::Object> meta);
void MemoryInfo(MemoryTracker* tracker) const override {
tracker->TrackField("resolve_cache", resolve_cache_);
}
v8::Local<v8::Context> context() const;
SET_MEMORY_INFO_NAME(ModuleWrap)
SET_SELF_SIZE(ModuleWrap)
bool IsNotIndicativeOfMemoryLeakAtExit() const override {
// XXX: The garbage collection rules for ModuleWrap are *super* unclear.
// Do these objects ever get GC'd? Are we just okay with leaking them?
return true;
}
private:
ModuleWrap(Realm* realm,
v8::Local<v8::Object> object,
v8::Local<v8::Module> module,
v8::Local<v8::String> url,
v8::Local<v8::Object> context_object,
v8::Local<v8::Value> synthetic_evaluation_step);
~ModuleWrap() override;
static void New(const v8::FunctionCallbackInfo<v8::Value>& args);
static void Link(const v8::FunctionCallbackInfo<v8::Value>& args);
static void Instantiate(const v8::FunctionCallbackInfo<v8::Value>& args);
static void Evaluate(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetNamespace(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetStatus(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetError(const v8::FunctionCallbackInfo<v8::Value>& args);
static void GetStaticDependencySpecifiers(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void SetImportModuleDynamicallyCallback(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void SetInitializeImportMetaObjectCallback(
const v8::FunctionCallbackInfo<v8::Value>& args);
static v8::MaybeLocal<v8::Value> SyntheticModuleEvaluationStepsCallback(
v8::Local<v8::Context> context, v8::Local<v8::Module> module);
static void SetSyntheticExport(
const v8::FunctionCallbackInfo<v8::Value>& args);
static void CreateCachedData(const v8::FunctionCallbackInfo<v8::Value>& args);
static v8::MaybeLocal<v8::Module> ResolveModuleCallback(
v8::Local<v8::Context> context,
v8::Local<v8::String> specifier,
v8::Local<v8::FixedArray> import_attributes,
v8::Local<v8::Module> referrer);
static ModuleWrap* GetFromModule(node::Environment*, v8::Local<v8::Module>);
v8::Global<v8::Module> module_;
std::unordered_map<std::string, v8::Global<v8::Promise>> resolve_cache_;
contextify::ContextifyContext* contextify_context_ = nullptr;
bool synthetic_ = false;
bool linked_ = false;
int module_hash_;
};
} // namespace loader
} // namespace node
#endif // defined(NODE_WANT_INTERNALS) && NODE_WANT_INTERNALS
#endif // SRC_MODULE_WRAP_H_