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Enabling static access with the _get meta method. #266

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Enabling static access with the _get meta method. #266

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Enabling static access with the _get meta method.
Katsuya100 Feb 12, 2023
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Katsuya100 Feb 14, 2023
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9 changes: 9 additions & 0 deletions squirrel/sqclass.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -146,6 +146,15 @@ bool SQClass::GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval)
return false;
}

bool SQClass::GetMetaMethod(SQVM* SQ_UNUSED_ARG(v), SQMetaMethod mm, SQObjectPtr& res)
{
if (sq_type(_metamethods[mm]) != OT_NULL) {
res = _metamethods[mm];
return true;
}
return false;
}

///////////////////////////////////////////////////////////////////////
void SQInstance::Init(SQSharedState *ss)
{
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1 change: 1 addition & 0 deletions squirrel/sqclass.h
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Expand Up @@ -72,6 +72,7 @@ struct SQClass : public CHAINABLE_OBJ
#endif
SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval);
SQInstance *CreateInstance();
bool GetMetaMethod(SQVM* v, SQMetaMethod mm, SQObjectPtr& res);
SQTable *_members;
SQClass *_base;
SQClassMemberVec _defaultvalues;
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19 changes: 19 additions & 0 deletions squirrel/sqvm.cpp
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Expand Up @@ -1361,6 +1361,25 @@ SQInteger SQVM::FallBackGet(const SQObjectPtr &self,const SQObjectPtr &key,SQObj
}
}
break;
case OT_CLASS: {
SQObjectPtr closure;
if (_class(self)->GetMetaMethod(this, MT_GET, closure)) {
Push(self); Push(key);
_nmetamethodscall++;
AutoDec ad(&_nmetamethodscall);
if (Call(closure, 2, _top - 2, dest, SQFalse)) {
Pop(2);
return FALLBACK_OK;
}
else {
Pop(2);
if (sq_type(_lasterror) != OT_NULL) { //NULL means "clean failure" (not found)
return FALLBACK_ERROR;
}
}
}
}
break;
default: break;//shutup GCC 4.x
}
// no metamethod or no fallback type
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