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80 lines (68 loc) · 1.93 KB
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#include "PyGenerator.hpp"
#include "MemoryError.hpp"
#include "PyCode.hpp"
#include "types/api.hpp"
#include "types/builtin.hpp"
#include "vm/VM.hpp"
namespace py {
template<> PyGenerator *as(PyObject *obj)
{
if (obj->type() == types::generator()) { return static_cast<PyGenerator *>(obj); }
return nullptr;
}
template<> const PyGenerator *as(const PyObject *obj)
{
if (obj->type() == types::generator()) { return static_cast<const PyGenerator *>(obj); }
return nullptr;
}
PyGenerator::PyGenerator(PyType *type) : GeneratorInterface(type) {}
PyGenerator::PyGenerator(PyFrame *frame,
std::unique_ptr<StackFrame> &&stack_frame,
bool is_running,
PyObject *code,
PyString *name,
PyString *qualname)
: GeneratorInterface(types::BuiltinTypes::the().generator(),
frame,
std::move(stack_frame),
is_running,
code,
name,
qualname)
{}
PyResult<PyGenerator *> PyGenerator::create(PyFrame *frame,
std::unique_ptr<StackFrame> &&stack_frame,
PyString *name,
PyString *qualname)
{
auto &heap = VirtualMachine::the().heap();
if (auto *obj = heap.allocate<PyGenerator>(
frame, std::move(stack_frame), false, frame->code(), name, qualname)) {
return Ok(obj);
}
return Err(memory_error(sizeof(PyGenerator)));
}
namespace {
std::once_flag generator_flag;
std::unique_ptr<TypePrototype> register_generator()
{
return std::move(klass<PyGenerator>(PyGenerator::GeneratorTypeName)
.def("close", &PyGenerator::close)
.def("send", &PyGenerator::send)
.type);
}
}// namespace
std::function<std::unique_ptr<TypePrototype>()> PyGenerator::type_factory()
{
return [] {
static std::unique_ptr<TypePrototype> type = nullptr;
std::call_once(generator_flag, []() { type = register_generator(); });
return std::move(type);
};
}
PyType *PyGenerator::static_type() const { return types::generator(); }
void PyGenerator::visit_graph(Visitor &visitor)
{
GeneratorInterface<PyGenerator>::visit_graph(visitor);
}
}// namespace py