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#pragma once
#include "root.h"
#include "BufferEncodingType.h"
namespace WebCore {
using namespace JSC;
class JSReadableState : public JSC::JSDestructibleObject {
using Base = JSC::JSDestructibleObject;
public:
JSReadableState(JSC::VM& vm, JSC::Structure* structure)
: Base(vm, structure)
, m_paused(0)
{
}
DECLARE_VISIT_CHILDREN;
DECLARE_INFO;
static constexpr unsigned StructureFlags = Base::StructureFlags;
template<typename, JSC::SubspaceAccess mode> static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
{
if constexpr (mode == JSC::SubspaceAccess::Concurrently)
return nullptr;
return subspaceForImpl(vm);
}
static JSC::GCClient::IsoSubspace* subspaceForImpl(JSC::VM& vm);
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject,
JSC::JSValue prototype)
{
return JSC::Structure::create(vm, globalObject, prototype,
JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
}
static JSReadableState* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, bool isDuplex, JSObject* options)
{
JSReadableState* accessor = new (NotNull, JSC::allocateCell<JSReadableState>(vm)) JSReadableState(vm, structure);
accessor->finishCreation(vm, globalObject, isDuplex, options);
return accessor;
}
void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject, bool isDuplex, JSObject* options);
static void destroy(JSCell*) {}
enum Mask : uint32_t {
objectMode = 1 << 0,
emitClose = 1 << 1,
autoDestroy = 1 << 2,
ended = 1 << 3,
endEmitted = 1 << 4,
reading = 1 << 5,
constructed = 1 << 6,
sync = 1 << 7,
needReadable = 1 << 8,
emittedReadable = 1 << 9,
readableListening = 1 << 10,
resumeScheduled = 1 << 11,
errorEmitted = 1 << 12,
destroyed = 1 << 13,
closed = 1 << 14,
closeEmitted = 1 << 15,
multiAwaitDrain = 1 << 16,
readingMore = 1 << 17,
dataEmitted = 1 << 18,
};
constexpr bool getBool(Mask mask) { return m_bools.contains(mask); }
constexpr void setBool(Mask mask, bool val)
{
m_bools.set(mask, val);
}
// 0 for null, 1 for true, -1 for false
int8_t m_paused = 0;
int8_t m_flowing = 0;
WTF::OptionSet<Mask> m_bools;
int64_t m_length = 0;
int64_t m_highWaterMark;
mutable WriteBarrier<Unknown> m_buffer;
mutable WriteBarrier<Unknown> m_pipes;
mutable WriteBarrier<Unknown> m_errored;
mutable WriteBarrier<Unknown> m_defaultEncoding;
mutable WriteBarrier<Unknown> m_awaitDrainWriters;
mutable WriteBarrier<Unknown> m_decoder;
mutable WriteBarrier<Unknown> m_encoding;
};
class JSReadableStatePrototype : public JSC::JSNonFinalObject {
public:
using Base = JSC::JSNonFinalObject;
static JSReadableStatePrototype* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
{
JSReadableStatePrototype* ptr = new (NotNull, JSC::allocateCell<JSReadableStatePrototype>(vm)) JSReadableStatePrototype(vm, structure);
ptr->finishCreation(vm, globalObject);
return ptr;
}
DECLARE_INFO;
template<typename CellType, JSC::SubspaceAccess>
static JSC::GCClient::IsoSubspace* subspaceFor(JSC::VM& vm)
{
return &vm.plainObjectSpace();
}
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::ObjectType, StructureFlags), info());
}
private:
JSReadableStatePrototype(JSC::VM& vm, JSC::Structure* structure)
: Base(vm, structure)
{
}
void finishCreation(JSC::VM&, JSC::JSGlobalObject*);
};
class JSReadableStateConstructor final : public JSC::InternalFunction {
public:
using Base = JSC::InternalFunction;
static JSReadableStateConstructor* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure, JSReadableStatePrototype* prototype);
static constexpr unsigned StructureFlags = Base::StructureFlags;
static constexpr bool needsDestruction = false;
static JSC::Structure* createStructure(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::JSValue prototype)
{
return JSC::Structure::create(vm, globalObject, prototype, JSC::TypeInfo(JSC::InternalFunctionType, StructureFlags), info());
}
void initializeProperties(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSReadableStatePrototype* prototype);
// Must be defined for each specialization class.
static JSC::EncodedJSValue JSC_HOST_CALL_ATTRIBUTES construct(JSC::JSGlobalObject*, JSC::CallFrame*);
DECLARE_EXPORT_INFO;
private:
JSReadableStateConstructor(JSC::VM& vm, JSC::Structure* structure, JSC::NativeFunction nativeFunction)
: Base(vm, structure, nativeFunction, nativeFunction)
{
}
void finishCreation(JSC::VM&, JSC::JSGlobalObject* globalObject, JSReadableStatePrototype* prototype);
};
}
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