From 8285a11a26d78784f26b76e6bcdfa479f6c1a345 Mon Sep 17 00:00:00 2001
From: faketruth <faketruth@0a769ca7-a7f5-676a-18bf-c427514a06d6>
Date: Tue, 8 Nov 2011 01:25:01 +0000
Subject: It's a Squirrel!! In SquirrelBindings.h use #define USE_SQUIRREL 1 to
 enable squirrel

git-svn-id: http://mc-server.googlecode.com/svn/trunk@76 0a769ca7-a7f5-676a-18bf-c427514a06d6
---
 squirrel_3_0_1_stable/squirrel/sqclass.h | 158 +++++++++++++++++++++++++++++++
 1 file changed, 158 insertions(+)
 create mode 100644 squirrel_3_0_1_stable/squirrel/sqclass.h

(limited to 'squirrel_3_0_1_stable/squirrel/sqclass.h')

diff --git a/squirrel_3_0_1_stable/squirrel/sqclass.h b/squirrel_3_0_1_stable/squirrel/sqclass.h
new file mode 100644
index 000000000..996a3df70
--- /dev/null
+++ b/squirrel_3_0_1_stable/squirrel/sqclass.h
@@ -0,0 +1,158 @@
+/*	see copyright notice in squirrel.h */
+#ifndef _SQCLASS_H_
+#define _SQCLASS_H_
+
+struct SQInstance;
+
+struct SQClassMember {
+	SQObjectPtr val;
+	SQObjectPtr attrs;
+};
+
+typedef sqvector<SQClassMember> SQClassMemberVec;
+
+#define MEMBER_TYPE_METHOD 0x01000000
+#define MEMBER_TYPE_FIELD 0x02000000
+
+#define _ismethod(o) (_integer(o)&MEMBER_TYPE_METHOD)
+#define _isfield(o) (_integer(o)&MEMBER_TYPE_FIELD)
+#define _make_method_idx(i) ((SQInteger)(MEMBER_TYPE_METHOD|i))
+#define _make_field_idx(i) ((SQInteger)(MEMBER_TYPE_FIELD|i))
+#define _member_type(o) (_integer(o)&0xFF000000)
+#define _member_idx(o) (_integer(o)&0x00FFFFFF)
+
+struct SQClass : public CHAINABLE_OBJ
+{
+	SQClass(SQSharedState *ss,SQClass *base);
+public:
+	static SQClass* Create(SQSharedState *ss,SQClass *base) {
+		SQClass *newclass = (SQClass *)SQ_MALLOC(sizeof(SQClass));
+		new (newclass) SQClass(ss, base);
+		return newclass;
+	}
+	~SQClass();
+	bool NewSlot(SQSharedState *ss, const SQObjectPtr &key,const SQObjectPtr &val,bool bstatic);
+	bool Get(const SQObjectPtr &key,SQObjectPtr &val) {
+		if(_members->Get(key,val)) {
+			if(_isfield(val)) {
+				SQObjectPtr &o = _defaultvalues[_member_idx(val)].val;
+				val = _realval(o);
+			}
+			else {
+				val = _methods[_member_idx(val)].val;
+			}
+			return true;
+		}
+		return false;
+	}
+	bool GetConstructor(SQObjectPtr &ctor)
+	{
+		if(_constructoridx != -1) {
+			ctor = _methods[_constructoridx].val;
+			return true;
+		}
+		return false;
+	}
+	bool SetAttributes(const SQObjectPtr &key,const SQObjectPtr &val);
+	bool GetAttributes(const SQObjectPtr &key,SQObjectPtr &outval);
+	void Lock() { _locked = true; if(_base) _base->Lock(); }
+	void Release() { 
+		if (_hook) { _hook(_typetag,0);}
+		sq_delete(this, SQClass);	
+	}
+	void Finalize();
+#ifndef NO_GARBAGE_COLLECTOR
+	void Mark(SQCollectable ** );
+	SQObjectType GetType() {return OT_CLASS;}
+#endif
+	SQInteger Next(const SQObjectPtr &refpos, SQObjectPtr &outkey, SQObjectPtr &outval);
+	SQInstance *CreateInstance();
+	SQTable *_members;
+	SQClass *_base;
+	SQClassMemberVec _defaultvalues;
+	SQClassMemberVec _methods;
+	SQObjectPtr _metamethods[MT_LAST];
+	SQObjectPtr _attributes;
+	SQUserPointer _typetag;
+	SQRELEASEHOOK _hook;
+	bool _locked;
+	SQInteger _constructoridx;
+	SQInteger _udsize;
+};
+
+#define calcinstancesize(_theclass_) \
+	(_theclass_->_udsize + sq_aligning(sizeof(SQInstance) +  (sizeof(SQObjectPtr)*(_theclass_->_defaultvalues.size()>0?_theclass_->_defaultvalues.size()-1:0))))
+
+struct SQInstance : public SQDelegable 
+{
+	void Init(SQSharedState *ss);
+	SQInstance(SQSharedState *ss, SQClass *c, SQInteger memsize);
+	SQInstance(SQSharedState *ss, SQInstance *c, SQInteger memsize);
+public:
+	static SQInstance* Create(SQSharedState *ss,SQClass *theclass) {
+		
+		SQInteger size = calcinstancesize(theclass);
+		SQInstance *newinst = (SQInstance *)SQ_MALLOC(size);
+		new (newinst) SQInstance(ss, theclass,size);
+		if(theclass->_udsize) {
+			newinst->_userpointer = ((unsigned char *)newinst) + (size - theclass->_udsize);
+		}
+		return newinst;
+	}
+	SQInstance *Clone(SQSharedState *ss)
+	{
+		SQInteger size = calcinstancesize(_class);
+		SQInstance *newinst = (SQInstance *)SQ_MALLOC(size);
+		new (newinst) SQInstance(ss, this,size);
+		if(_class->_udsize) {
+			newinst->_userpointer = ((unsigned char *)newinst) + (size - _class->_udsize);
+		}
+		return newinst;
+	}
+	~SQInstance();
+	bool Get(const SQObjectPtr &key,SQObjectPtr &val)  {
+		if(_class->_members->Get(key,val)) {
+			if(_isfield(val)) {
+				SQObjectPtr &o = _values[_member_idx(val)];
+				val = _realval(o);
+			}
+			else {
+				val = _class->_methods[_member_idx(val)].val;
+			}
+			return true;
+		}
+		return false;
+	}
+	bool Set(const SQObjectPtr &key,const SQObjectPtr &val) {
+		SQObjectPtr idx;
+		if(_class->_members->Get(key,idx) && _isfield(idx)) {
+            _values[_member_idx(idx)] = val;
+			return true;
+		}
+		return false;
+	}
+	void Release() {
+		_uiRef++;
+		if (_hook) { _hook(_userpointer,0);}
+		_uiRef--;
+		if(_uiRef > 0) return;
+		SQInteger size = _memsize;
+		this->~SQInstance();
+		SQ_FREE(this, size);
+	}
+	void Finalize();
+#ifndef NO_GARBAGE_COLLECTOR 
+	void Mark(SQCollectable ** );
+	SQObjectType GetType() {return OT_INSTANCE;}
+#endif
+	bool InstanceOf(SQClass *trg);
+	bool GetMetaMethod(SQVM *v,SQMetaMethod mm,SQObjectPtr &res);
+
+	SQClass *_class;
+	SQUserPointer _userpointer;
+	SQRELEASEHOOK _hook;
+	SQInteger _memsize;
+	SQObjectPtr _values[1];
+};
+
+#endif //_SQCLASS_H_
-- 
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