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ircd::js: Add bytecodes support to Object.

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This commit is contained in:
Jason Volk 2016-11-24 19:04:26 -08:00
parent 4c6e182241
commit 66c28da325
1 changed files with 30 additions and 0 deletions
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30
include/ircd/js/object.h
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@ -47,6 +47,7 @@ bool is_array(const object_handle &);
uint32_t size(const object_handle &);
bool deep_freeze(const object_handle &);
bool freeze(const object_handle &);
size_t bytecodes(const object_handle &, uint8_t *const &buf, const size_t &size);
namespace basic {
@ -80,6 +81,7 @@ struct object
object(const JSClass *const &, const object &proto);
object(const JSClass *const &);
object(const uint8_t *const &bytecode, const size_t &size);
template<class T, lifetime LL> object(const root<T, LL> &);
using root<JSObject *, L>::root;
template<class... args> object(json_t, args&&...);
@ -249,6 +251,18 @@ object<L>::object(const JSClass *const &clasp,
throw internal_error("NULL object (new)");
}
template<lifetime L>
object<L>::object(const uint8_t *const &bytecode,
const size_t &size)
:object<L>::root::type
{
JS_DecodeInterpretedFunction(*cx, bytecode, size)
}
{
if(unlikely(!this->get()))
throw jserror(jserror::pending);
}
template<lifetime L>
object<L>
object<L>::global()
@ -318,6 +332,22 @@ const
} // namespace basic
inline size_t
bytecodes(const object_handle &obj,
uint8_t *const &buf,
const size_t &size)
{
uint32_t ret;
const custom_ptr<void> ptr
{
JS_EncodeInterpretedFunction(*cx, obj, &ret), js_free
};
const auto cpsz(std::min(size_t(ret), size));
memcpy(buf, ptr.get(), cpsz);
return cpsz;
}
inline bool
freeze(const object_handle &obj)
{