143 lines
4.2 KiB
C
143 lines
4.2 KiB
C
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/* see copyright notice in squirrel.h */
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#ifndef _SQSTATE_H_
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#define _SQSTATE_H_
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#include "squtils.h"
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#include "sqobject.h"
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struct SQString;
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struct SQTable;
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//max number of character for a printed number
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#define NUMBER_MAX_CHAR 50
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struct StringTable
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{
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StringTable();
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~StringTable();
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SQString *Add(const SQChar *,SQInteger len);
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void Remove(SQString *);
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private:
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void Resize(SQInteger size);
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void AllocNodes(SQInteger size);
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SQString **_strings;
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SQUnsignedInteger _numofslots;
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SQUnsignedInteger _slotused;
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};
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struct RefTable {
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struct RefNode {
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SQObjectPtr obj;
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SQUnsignedInteger refs;
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struct RefNode *next;
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};
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RefTable();
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~RefTable();
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void AddRef(SQObject &obj);
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SQBool Release(SQObject &obj);
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#ifndef NO_GARBAGE_COLLECTOR
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void Mark(SQCollectable **chain);
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#endif
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void Finalize();
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private:
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RefNode *Get(SQObject &obj,SQHash &mainpos,RefNode **prev,bool add);
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RefNode *Add(SQHash mainpos,SQObject &obj);
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void Resize(SQUnsignedInteger size);
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void AllocNodes(SQUnsignedInteger size);
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SQUnsignedInteger _numofslots;
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SQUnsignedInteger _slotused;
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RefNode *_nodes;
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RefNode *_freelist;
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RefNode **_buckets;
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};
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#define ADD_STRING(ss,str,len) ss->_stringtable->Add(str,len)
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#define REMOVE_STRING(ss,bstr) ss->_stringtable->Remove(bstr)
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struct SQObjectPtr;
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struct SQSharedState
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{
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SQSharedState();
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~SQSharedState();
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void Init();
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public:
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SQChar* GetScratchPad(SQInteger size);
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SQInteger GetMetaMethodIdxByName(const SQObjectPtr &name);
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#ifndef NO_GARBAGE_COLLECTOR
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SQInteger CollectGarbage(SQVM *vm);
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static void MarkObject(SQObjectPtr &o,SQCollectable **chain);
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#endif
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SQObjectPtrVec *_metamethods;
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SQObjectPtr _metamethodsmap;
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SQObjectPtrVec *_systemstrings;
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SQObjectPtrVec *_types;
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StringTable *_stringtable;
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RefTable _refs_table;
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SQObjectPtr _registry;
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SQObjectPtr _constructoridx;
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#ifndef NO_GARBAGE_COLLECTOR
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SQCollectable *_gc_chain;
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#endif
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SQObjectPtr _root_vm;
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SQObjectPtr _table_default_delegate;
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static SQRegFunction _table_default_delegate_funcz[];
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SQObjectPtr _array_default_delegate;
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static SQRegFunction _array_default_delegate_funcz[];
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SQObjectPtr _string_default_delegate;
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static SQRegFunction _string_default_delegate_funcz[];
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SQObjectPtr _number_default_delegate;
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static SQRegFunction _number_default_delegate_funcz[];
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SQObjectPtr _generator_default_delegate;
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static SQRegFunction _generator_default_delegate_funcz[];
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SQObjectPtr _closure_default_delegate;
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static SQRegFunction _closure_default_delegate_funcz[];
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SQObjectPtr _thread_default_delegate;
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static SQRegFunction _thread_default_delegate_funcz[];
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SQObjectPtr _class_default_delegate;
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static SQRegFunction _class_default_delegate_funcz[];
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SQObjectPtr _instance_default_delegate;
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static SQRegFunction _instance_default_delegate_funcz[];
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SQObjectPtr _weakref_default_delegate;
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static SQRegFunction _weakref_default_delegate_funcz[];
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SQCOMPILERERROR _compilererrorhandler;
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SQPRINTFUNCTION _printfunc;
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bool _debuginfo;
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bool _notifyallexceptions;
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private:
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SQChar *_scratchpad;
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SQInteger _scratchpadsize;
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};
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#define _sp(s) (_sharedstate->GetScratchPad(s))
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#define _spval (_sharedstate->GetScratchPad(-1))
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#define _table_ddel _table(_sharedstate->_table_default_delegate)
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#define _array_ddel _table(_sharedstate->_array_default_delegate)
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#define _string_ddel _table(_sharedstate->_string_default_delegate)
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#define _number_ddel _table(_sharedstate->_number_default_delegate)
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#define _generator_ddel _table(_sharedstate->_generator_default_delegate)
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#define _closure_ddel _table(_sharedstate->_closure_default_delegate)
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#define _thread_ddel _table(_sharedstate->_thread_default_delegate)
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#define _class_ddel _table(_sharedstate->_class_default_delegate)
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#define _instance_ddel _table(_sharedstate->_instance_default_delegate)
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#define _weakref_ddel _table(_sharedstate->_weakref_default_delegate)
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#ifdef SQUNICODE //rsl REAL STRING LEN
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#define rsl(l) ((l)<<1)
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#else
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#define rsl(l) (l)
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#endif
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extern SQObjectPtr _null_;
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extern SQObjectPtr _true_;
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extern SQObjectPtr _false_;
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extern SQObjectPtr _one_;
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extern SQObjectPtr _minusone_;
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bool CompileTypemask(SQIntVec &res,const SQChar *typemask);
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void *sq_vm_malloc(SQUnsignedInteger size);
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void *sq_vm_realloc(void *p,SQUnsignedInteger oldsize,SQUnsignedInteger size);
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void sq_vm_free(void *p,SQUnsignedInteger size);
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#endif //_SQSTATE_H_
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