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#pragma once
#include "deep.h"
#include "macros_and_utils.h"
// forwards
class Universe;
// #################################################################################################
enum class VT
{
NORMAL, // keep this one first so that it's the value we get when we default-construct
KEY,
METATABLE
};
enum class InterCopyResult
{
Success,
NotEnoughValues,
Error
};
// #################################################################################################
using CacheIndex = Unique<int>;
using SourceIndex = Unique<int>;
class InterCopyContext
{
public:
Universe* const U;
DestState const L2;
SourceState const L1;
CacheIndex const L2_cache_i;
SourceIndex L1_i; // that one can change when we reuse the context
VT vt; // that one can change when we reuse the context
LookupMode const mode;
char const* name; // that one can change when we reuse the context
private:
// when mode == LookupMode::FromKeeper, L1 is a keeper state and L2 is not, therefore L2 is the state where we want to raise the error
// whon mode != LookupMode::FromKeeper, L1 is not a keeper state, therefore L1 is the state where we want to raise the error
lua_State* getErrL() const { return (mode == LookupMode::FromKeeper) ? L2 : L1; }
// for use in copy_cached_func
void copy_func() const;
void lookup_native_func() const;
// for use in inter_copy_function
void copy_cached_func() const;
[[nodiscard]] bool lookup_table() const;
// for use in inter_copy_table
void inter_copy_keyvaluepair() const;
[[nodiscard]] bool push_cached_metatable() const;
[[nodiscard]] bool push_cached_table() const;
// for use in inter_copy_userdata
[[nodiscard]] bool tryCopyClonable() const;
[[nodiscard]] bool tryCopyDeep() const;
// copying a single Lua stack item
[[nodiscard]] bool inter_copy_boolean() const;
[[nodiscard]] bool inter_copy_function() const;
[[nodiscard]] bool inter_copy_lightuserdata() const;
[[nodiscard]] bool inter_copy_nil() const;
[[nodiscard]] bool inter_copy_number() const;
[[nodiscard]] bool inter_copy_string() const;
[[nodiscard]] bool inter_copy_table() const;
[[nodiscard]] bool inter_copy_userdata() const;
public:
[[nodiscard]] bool inter_copy_one() const;
[[nodiscard]] InterCopyResult inter_copy_package() const;
[[nodiscard]] InterCopyResult inter_copy(int n_) const;
[[nodiscard]] InterCopyResult inter_move(int n_) const;
};
// #################################################################################################
[[nodiscard]] int luaG_nameof(lua_State* L_);
void populate_func_lookup_table(lua_State* L_, int i_, char const* name_);
void initialize_allocator_function(Universe* U_, lua_State* L_);
// #################################################################################################
// xxh64 of string "kConfigRegKey" generated at https://www.pelock.com/products/hash-calculator
static constexpr RegistryUniqueKey kConfigRegKey{ 0x608379D20A398046ull }; // registry key to access the configuration
// xxh64 of string "kLookupRegKey" generated at https://www.pelock.com/products/hash-calculator
static constexpr RegistryUniqueKey kLookupRegKey{ 0xBF1FC5CF3C6DD47Bull }; // registry key to access the lookup database
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