diff options
Diffstat (limited to '')
| -rw-r--r-- | squirrel_3_0_1_stable/squirrel/sqclass.cpp | 213 |
1 files changed, 0 insertions, 213 deletions
diff --git a/squirrel_3_0_1_stable/squirrel/sqclass.cpp b/squirrel_3_0_1_stable/squirrel/sqclass.cpp deleted file mode 100644 index dcee77d70..000000000 --- a/squirrel_3_0_1_stable/squirrel/sqclass.cpp +++ /dev/null @@ -1,213 +0,0 @@ -/* - see copyright notice in squirrel.h -*/ -#include "sqpcheader.h" -#include "sqvm.h" -#include "sqtable.h" -#include "sqclass.h" -#include "sqfuncproto.h" -#include "sqclosure.h" - - - -SQClass::SQClass(SQSharedState *ss,SQClass *base) -{ - _base = base; - _typetag = 0; - _hook = NULL; - _udsize = 0; - _locked = false; - _constructoridx = -1; - if(_base) { - _constructoridx = _base->_constructoridx; - _udsize = _base->_udsize; - _defaultvalues.copy(base->_defaultvalues); - _methods.copy(base->_methods); - _COPY_VECTOR(_metamethods,base->_metamethods,MT_LAST); - __ObjAddRef(_base); - } - _members = base?base->_members->Clone() : SQTable::Create(ss,0); - __ObjAddRef(_members); - - INIT_CHAIN(); - ADD_TO_CHAIN(&_sharedstate->_gc_chain, this); -} - -void SQClass::Finalize() { - _attributes.Null(); - _defaultvalues.resize(0); - _methods.resize(0); - _NULL_SQOBJECT_VECTOR(_metamethods,MT_LAST); - __ObjRelease(_members); - if(_base) { - __ObjRelease(_base); - } -} - -SQClass::~SQClass() -{ - REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this); - Finalize(); -} - -bool SQClass::NewSlot(SQSharedState *ss,const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic) -{ - SQObjectPtr temp; - bool belongs_to_static_table = type(val) == OT_CLOSURE || type(val) == OT_NATIVECLOSURE || bstatic; - if(_locked && !belongs_to_static_table) - return false; //the class already has an instance so cannot be modified - if(_members->Get(key,temp) && _isfield(temp)) //overrides the default value - { - _defaultvalues[_member_idx(temp)].val = val; - return true; - } - if(belongs_to_static_table) { - SQInteger mmidx; - if((type(val) == OT_CLOSURE || type(val) == OT_NATIVECLOSURE) && - (mmidx = ss->GetMetaMethodIdxByName(key)) != -1) { - _metamethods[mmidx] = val; - } - else { - SQObjectPtr theval = val; - if(_base && type(val) == OT_CLOSURE) { - theval = _closure(val)->Clone(); - _closure(theval)->_base = _base; - __ObjAddRef(_base); //ref for the closure - } - if(type(temp) == OT_NULL) { - bool isconstructor; - SQVM::IsEqual(ss->_constructoridx, key, isconstructor); - if(isconstructor) { - _constructoridx = (SQInteger)_methods.size(); - } - SQClassMember m; - m.val = theval; - _members->NewSlot(key,SQObjectPtr(_make_method_idx(_methods.size()))); - _methods.push_back(m); - } - else { - _methods[_member_idx(temp)].val = theval; - } - } - return true; - } - SQClassMember m; - m.val = val; - _members->NewSlot(key,SQObjectPtr(_make_field_idx(_defaultvalues.size()))); - _defaultvalues.push_back(m); - return true; -} - -SQInstance *SQClass::CreateInstance() -{ - if(!_locked) Lock(); - return SQInstance::Create(_opt_ss(this),this); -} - -SQInteger SQClass::Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval) -{ - SQObjectPtr oval; - SQInteger idx = _members->Next(false,refpos,outkey,oval); - if(idx != -1) { - if(_ismethod(oval)) { - outval = _methods[_member_idx(oval)].val; - } - else { - SQObjectPtr &o = _defaultvalues[_member_idx(oval)].val; - outval = _realval(o); - } - } - return idx; -} - -bool SQClass::SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val) -{ - SQObjectPtr idx; - if(_members->Get(key,idx)) { - if(_isfield(idx)) - _defaultvalues[_member_idx(idx)].attrs = val; - else - _methods[_member_idx(idx)].attrs = val; - return true; - } - return false; -} - -bool SQClass::GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval) -{ - SQObjectPtr idx; - if(_members->Get(key,idx)) { - outval = (_isfield(idx)?_defaultvalues[_member_idx(idx)].attrs:_methods[_member_idx(idx)].attrs); - return true; - } - return false; -} - -/////////////////////////////////////////////////////////////////////// -void SQInstance::Init(SQSharedState *ss) -{ - _userpointer = NULL; - _hook = NULL; - __ObjAddRef(_class); - _delegate = _class->_members; - INIT_CHAIN(); - ADD_TO_CHAIN(&_sharedstate->_gc_chain, this); -} - -SQInstance::SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize) -{ - _memsize = memsize; - _class = c; - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - for(SQUnsignedInteger n = 0; n < nvalues; n++) { - new (&_values[n]) SQObjectPtr(_class->_defaultvalues[n].val); - } - Init(ss); -} - -SQInstance::SQInstance(SQSharedState *ss, SQInstance *i, SQInteger memsize) -{ - _memsize = memsize; - _class = i->_class; - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - for(SQUnsignedInteger n = 0; n < nvalues; n++) { - new (&_values[n]) SQObjectPtr(i->_values[n]); - } - Init(ss); -} - -void SQInstance::Finalize() -{ - SQUnsignedInteger nvalues = _class->_defaultvalues.size(); - __ObjRelease(_class); - _NULL_SQOBJECT_VECTOR(_values,nvalues); - //for(SQUnsignedInteger i = 0; i < nvalues; i++) { -// _values[i].Null(); -// } -} - -SQInstance::~SQInstance() -{ - REMOVE_FROM_CHAIN(&_sharedstate->_gc_chain, this); - if(_class){ Finalize(); } //if _class is null it was already finalized by the GC -} - -bool SQInstance::GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res) -{ - if(type(_class->_metamethods[mm]) != OT_NULL) { - res = _class->_metamethods[mm]; - return true; - } - return false; -} - -bool SQInstance::InstanceOf(SQClass *trg) -{ - SQClass *parent = _class; - while(parent != NULL) { - if(parent == trg) - return true; - parent = parent->_base; - } - return false; -} |