minigame-tuanjie-transform-sdk/Runtime/Plugins/LuaAdaptor/lua_adaptor_503.c
2024-11-21 14:37:48 +08:00

161 lines
3.5 KiB
C

#include "lua_adaptor_import.h"
#if LUA_VERSION_NUM == 503
#define GETTVALUE(v) v
#define tvtype(o) ttnov(o)
#define LUA_PROTO LUA_TPROTO
#define LUA_UPVAL LUA_TUPVAL
#define LUA_TABLE LUA_TTABLE
#define LUA_THREAD LUA_TTHREAD
#define LUA_USERDATA LUA_TUSERDATA
#define LUA_LIGHTUSERDATA LUA_TLIGHTUSERDATA
#define LUA_SHRSTR LUA_TSHRSTR
#define LUA_LNGSTR LUA_TLNGSTR
#define LUA_LCL LUA_TLCL
#define LUA_CCL LUA_TCCL
#define LUA_LCF LUA_TLCF
#define LUA_IS_LUA_C_FUNCTION(f) (ttislcf(f))
#define LUA_C_CLUSTER_VALUE(f) (clCvalue(f))
static TValue* lua_index2addr(lua_State* L, int idx)
{
CallInfo* ci = L->ci;
if (idx > 0)
{
TValue* o = GETTVALUE(ci->func + idx);
api_check(L, idx <= ci->top - (ci->func + 1), "unacceptable index");
if (o >= GETTVALUE(L->top)) return NONVALIDVALUE;
else return o;
}
else if (!ispseudo(idx))
{
/* negative index */
api_check(L, idx != 0 && -idx <= L->top - (ci->func + 1), "invalid index");
return GETTVALUE(L->top + idx);
}
else if (idx == LUA_REGISTRYINDEX)
return &G(L)->l_registry;
else
{
/* upvalues */
idx = LUA_REGISTRYINDEX - idx;
api_check(L, idx <= MAXUPVAL + 1, "upvalue index too large");
if (LUA_IS_LUA_C_FUNCTION(GETTVALUE(ci->func)))
return NONVALIDVALUE;
else
{
CClosure* func = LUA_C_CLUSTER_VALUE(GETTVALUE(ci->func));
return (idx <= func->nupvalues) ? &func->upvalue[idx - 1] : NONVALIDVALUE;
}
}
}
uintptr_t lua_getaddr(lua_State* L, int idx) {
TValue* o = lua_index2addr(L, idx);
if (!o)
return (uintptr_t)(lua_topointer(L, -1));
switch (tvtype(o))
{
case LUA_TPROTO:
{
return (uintptr_t)(pvalue(o));
}
case LUA_SHRSTR:
case LUA_LNGSTR:
{
return (uintptr_t)(tsvalue(o));
}
case LUA_TTABLE:
case LUA_LCL:
case LUA_CCL:
case LUA_LCF:
case LUA_TTHREAD:
case LUA_TUSERDATA:
case LUA_TLIGHTUSERDATA:
default: {
return (uintptr_t)(lua_topointer(L, -1));
}
}
}
size_t lua_sizeof(lua_State* L, int idx){
const char* tn = lua_typename(L, lua_type(L, -1));
TValue* o = lua_index2addr(L, idx);
if (!o)
return 0;
switch (tvtype(o))
{
case LUA_TABLE:
{
luaL_checkstack(L, LUA_MINSTACK, NULL);
Table* h = hvalue(o);
if (h == NULL) {
return 0;
}
return (sizeof(Table) + sizeof(TValue) * h->sizearray +
sizeof(Node) * (isdummy(h) ? 0 : sizenode(h)));
}
case LUA_LCL:
{
LClosure* cl = clLvalue(o);
return sizeLclosure(cl->nupvalues);
}
case LUA_CCL:
{
CClosure* cl = clCvalue(o);
return sizeCclosure(cl->nupvalues);
}
case LUA_TTHREAD:
{
lua_State* th = thvalue(o);
return (sizeof(lua_State) + sizeof(TValue) * th->stacksize +
sizeof(CallInfo) * th->nci);
}
case LUA_PROTO:
{
Proto* p = (Proto*)pvalue(o);
return (sizeof(Proto) +
sizeof(Instruction) * p->sizecode +
sizeof(Proto*) * p->sizep +
sizeof(TValue) * p->sizek +
sizeof(int) * p->sizelineinfo +
sizeof(LocVar) * p->sizelocvars +
sizeof(TString*) * p->sizeupvalues);
}
case LUA_USERDATA:
{
return sizeudata(uvalue(o));
}
case LUA_SHRSTR:
{
TString* ts = gco2ts(o);
return sizelstring(ts->shrlen);
}
case LUA_LNGSTR:
{
TString* ts = gco2ts(o);
return sizelstring(ts->u.lnglen);
}
case LUA_TNUMBER:
{
return sizeof(lua_Number);
}
case LUA_TBOOLEAN:
{
return sizeof(int);
}
case LUA_LIGHTUSERDATA:
{
return sizeof(void*);
}
default: return (size_t)(0);
}
}
#endif