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#pragma once
#include "root.h"
#include "wtf/Deque.h"
namespace WebCore {
using namespace JSC;
class JSBufferList : public JSC::JSNonFinalObject {
using Base = JSC::JSNonFinalObject;
public:
JSBufferList(JSC::VM& vm, JSC::Structure* structure)
: Base(vm, structure)
{
}
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 JSBufferList* create(JSC::VM& vm, JSC::JSGlobalObject* globalObject, JSC::Structure* structure)
{
JSBufferList* accessor = new (NotNull, JSC::allocateCell<JSBufferList>(vm)) JSBufferList(vm, structure);
accessor->finishCreation(vm, globalObject);
return accessor;
}
void finishCreation(JSC::VM& vm, JSC::JSGlobalObject* globalObject);
static void destroy(JSCell*) {}
size_t length() { return m_deque.size(); }
void push(JSC::VM& vm, JSC::JSValue v)
{
m_deque.append(WriteBarrier<Unknown>());
m_deque.last().set(vm, this, v);
}
void unshift(JSC::VM& vm, JSC::JSValue v)
{
m_deque.prepend(WriteBarrier<Unknown>());
m_deque.first().set(vm, this, v);
}
JSC::JSValue shift()
{
if (UNLIKELY(length() == 0))
return JSC::jsUndefined();
auto v = m_deque.first().get();
m_deque.removeFirst();
return v;
}
void clear()
{
m_deque.clear();
}
JSC::JSValue first()
{
if (UNLIKELY(length() == 0))
return JSC::jsUndefined();
return JSC::JSValue(m_deque.first().get());
}
JSC::JSValue concat(JSC::VM&, JSC::JSGlobalObject*, int32_t);
JSC::JSValue join(JSC::VM&, JSC::JSGlobalObject*, JSString*);
JSC::JSValue consume(JSC::VM&, JSC::JSGlobalObject*, int32_t, bool);
JSC::JSValue _getBuffer(JSC::VM&, JSC::JSGlobalObject*, int32_t);
JSC::JSValue _getString(JSC::VM&, JSC::JSGlobalObject*, int32_t);
private:
Deque<WriteBarrier<Unknown>> m_deque;
};
EncodedJSValue constructJSBufferList(JSGlobalObject* lexicalGlobalObject, CallFrame* callFrame);
}
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