#ifndef VMRUNNER_H
#define VMRUNNER_H
#include <cstring>
#include "smelt.hpp"
#include "smrandom.hpp"
#include "scriptshared.hpp"
const Idata ione=Idata(0,1),izero=Idata(0,0);
const Idata rone=Idata(1,1),rzero=Idata(1,0);
template<class memb>
class callStack
{
private:
int t;
memb data[16];
public:
callStack(){clear();}
void clear(){t=-1;}
int size(){return t+1;}
bool empty(){return size()==0;}
void push(memb a){memcpy(data+(++t),&a,sizeof(a));if(t>15)throw;}
memb pop(){if(~t)return data[t--];else throw;}
memb top(){if(~t)return data[t];else throw;}
};
typedef struct _fncEntry{int hash,pos;}fncEntry;
class blrScriptVM
{
private:
Idata ir[101],ia[10000];
Idata rr[103],ra[10000];
SInst inst[65537];
int ic,fncnt,pinst,lops,lppos[8],lpjmp[8];
fncEntry fncent[8];
const unsigned char *sbyte,*cbyte;
DWORD fsize;
void readPara(SPara *para);
int mgetc();
Idata& fetchData(SPara para,bool forcerw=false);
public:
smRandomEngine* re;
blrScriptVM(){ic=fncnt=pinst=lops=0;}
int loadLSBFromMemory(const char* ptr,DWORD size);
int getInstCount();
void vmRunFunction(const char *fncnym);
void vmSetRetValf(double v);
void vmSetRetVald(int v);
void vmInit(unsigned int seed);
void vmDeinit();
};
extern blrScriptVM *vm;
extern callStack<Idata> callStk;
#endif
