void CRecordingEngExtInterceptor::SteamAPI_RunCallbacks()
{
CSteamApiRunCallbacksCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->SteamAPI_RunCallbacks();
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::Sleep(DWORD msec)
{
CSleepExtCall fcall(msec); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->Sleep(msec);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::srand(uint32 seed)
{
CStdSrandCall fcall(seed); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->srand(seed);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::SteamAPI_SetBreakpadAppID(uint32 unAppID)
{
CSteamApiSetBreakpadAppIdCall fcall(unAppID); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->SteamAPI_SetBreakpadAppID(unAppID);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::GetSystemTimeAsFileTime(LPFILETIME lpSystemTimeAsFileTime)
{
CGetSystemTimeAsFileTimeCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->GetSystemTimeAsFileTime(lpSystemTimeAsFileTime);
fcall.setResult(lpSystemTimeAsFileTime);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::GetTimeZoneInfo(LPTIME_ZONE_INFORMATION zinfo)
{
CGetTimeZoneInfoCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->GetTimeZoneInfo(zinfo);
fcall.SetResult(zinfo);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::GetSystemTime(LPSYSTEMTIME time)
{
CGetSystemTimeCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->GetSystemTime(time);
fcall.SetResult(time);
PopFunc(&frec);
}
void CRecordingEngExtInterceptor::SteamGameServer_Shutdown()
{
CSteamGameServerShutdownCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->SteamGameServer_Shutdown();
m_GameServerWrapper = NULL;
PopFunc(&frec);
}
int CRecordingEngExtInterceptor::ioctlsocket(SOCKET s, long cmd, u_long *argp)
{
CIoCtlSocketCall fcall(s, cmd, *argp); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->ioctlsocket(s, cmd, argp);
fcall.setResult(*argp, res);
PopFunc(&frec);
return res;
}
SOCKET CRecordingEngExtInterceptor::socket(int af, int type, int protocol)
{
CSocketCall fcall(af, type, protocol); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
SOCKET s = m_BasePlatform->socket(af, type, protocol);
fcall.setResult(s);
PopFunc(&frec);
return s;
}
BOOL CRecordingEngExtInterceptor::GetProcessTimes(HANDLE hProcess, LPFILETIME lpCreationTime, LPFILETIME lpExitTime, LPFILETIME lpKernelTime, LPFILETIME lpUserTime)
{
CGetProcessTimesCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
BOOL res = m_BasePlatform->GetProcessTimes(hProcess, lpCreationTime, lpExitTime, lpKernelTime, lpUserTime);
fcall.setResult(res, lpCreationTime, lpExitTime, lpKernelTime, lpUserTime);
PopFunc(&frec);
return res;
}
DWORD CRecordingEngExtInterceptor::GetTickCount()
{
CGetTickCountCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
DWORD res = m_BasePlatform->GetTickCount();
fcall.SetResult(res);
PopFunc(&frec);
return res;
}
BOOL CRecordingEngExtInterceptor::QueryPerfFreq(LARGE_INTEGER* counter)
{
CQueryPerfFreqCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
BOOL res = m_BasePlatform->QueryPerfFreq(counter);
fcall.SetResult(*counter, res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::closesocket(SOCKET s)
{
CCloseSocketCall fcall(s); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->closesocket(s);
fcall.setResult(s);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::setsockopt(SOCKET s, int level, int optname, const char* optval, int optlen)
{
CSetSockOptCall fcall(s, level, optname, optval, optlen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->setsockopt(s, level, optname, optval, optlen);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
bool CRecordingEngExtInterceptor::SteamGameServer_Init(uint32 unIP, uint16 usSteamPort, uint16 usGamePort, uint16 usQueryPort, EServerMode eServerMode, const char *pchVersionString)
{
CSteamGameServerInitCall fcall(unIP, usSteamPort, usGamePort, usQueryPort, eServerMode, pchVersionString); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
bool res = m_BasePlatform->SteamGameServer_Init(unIP, usSteamPort, usGamePort, usQueryPort, eServerMode, pchVersionString);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::recvfrom(SOCKET s, char* buf, int len, int flags, struct sockaddr* from, socklen_t *fromlen)
{
CRecvFromCall fcall(s, len, flags, *fromlen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->recvfrom(s, buf, len, flags, from, fromlen);
fcall.setResult(buf, from, *fromlen, res);
PopFunc(&frec);
return res;
}
bool CRecordingEngExtInterceptor::SteamAPI_Init()
{
CSteamApiInitCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
bool res = m_BasePlatform->SteamAPI_Init();
fcall.setResult(res);
PopFunc(&frec);
return res;
}
struct hostent* CRecordingEngExtInterceptor::gethostbyname(const char *name)
{
CGetHostByNameCall fcall(name); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
struct hostent* res = m_BasePlatform->gethostbyname(name);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::gethostname(char *name, int namelen)
{
CGetHostNameCall fcall(namelen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->gethostname(name, namelen);
fcall.setResult(name, res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::WSAGetLastError()
{
CWSAGetLastErrorCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->WSAGetLastError();
fcall.setResult(res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::getsockname(SOCKET s, struct sockaddr* name, socklen_t* namelen)
{
CGetSockNameCall fcall(s, *namelen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->getsockname(s, name, namelen);
fcall.setResult(name, *namelen, res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::bind(SOCKET s, const struct sockaddr* addr, int namelen)
{
CBindCall fcall(s, addr, namelen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->bind(s, addr, namelen);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::sendto(SOCKET s, const char* buf, int len, int flags, const struct sockaddr* to, int tolen)
{
CSendToCall fcall(s, buf, len, flags, to, tolen); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->sendto(s, buf, len, flags, to, tolen);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
int CRecordingEngExtInterceptor::rand()
{
CStdRandCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
int res = m_BasePlatform->rand();
fcall.setResult(res);
PopFunc(&frec);
return res;
}
struct tm* CRecordingEngExtInterceptor::localtime(uint32 time)
{
CStdLocalTimeCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
struct tm* res = m_BasePlatform->localtime(time);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
uint32 CRecordingEngExtInterceptor::time(uint32* pTime)
{
CStdTimeCall fcall(pTime); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
uint32 res = m_BasePlatform->time(pTime);
fcall.setResult(res);
PopFunc(&frec);
return res;
}
void CRecordingEngExtInterceptor::SteamAPI_UnregisterCallback(CCallbackBase *pCallback)
{
CSteamCallbackRecordingWrapper* wrappee = getOrCreateCallbackWrapper(pCallback);
if (wrappee->GetFlags() != pCallback->GetFlags()) rehlds_syserror("%s: flags desync", __FUNCTION__);
if (wrappee->GetICallback() != pCallback->GetICallback()) rehlds_syserror("%s: flags desync", __FUNCTION__);
CSteamApiUnregisterCallbackCall fcall(wrappee->getRehldsCallbackId(), wrappee); CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
m_BasePlatform->SteamAPI_UnregisterCallback(wrappee);
fcall.setResult(wrappee);
pCallback->SetFlags(wrappee->GetFlags());
pCallback->SetICallback(wrappee->GetICallback());
PopFunc(&frec);
}
ISteamApps* CRecordingEngExtInterceptor::SteamApps()
{
CSteamAppsCall fcall; CRecorderFuncCall frec(&fcall);
PushFunc(&frec);
if (m_SteamAppsWrapper == NULL)
{
ISteamApps* orig = m_BasePlatform->SteamApps();
fcall.setReturnNull(orig == NULL);
if (orig != NULL)
m_SteamAppsWrapper = new CSteamAppsRecordingWrapper(orig, this);
}
else
{
m_BasePlatform->SteamApps();
fcall.setReturnNull(false);
}
PopFunc(&frec);
return m_SteamAppsWrapper;
}
void ExecuteCycle(VM* vm)
{
if(vm->pc == -1) return;
if(vm->debug)
printf("pc %i: ", vm->pc);
if(vm->stackSize < vm->numGlobals)
printf("Global(s) were removed from the stack!\n");
switch(vm->program[vm->pc])
{
case OP_PUSH_NULL:
{
if(vm->debug)
printf("push_null\n");
++vm->pc;
PushObject(vm, &NullObject);
} break;
case OP_PUSH_NUMBER:
{
if(vm->debug)
printf("push_number\n");
++vm->pc;
int index = ReadInteger(vm);
PushNumber(vm, vm->numberConstants[index]);
} break;
case OP_PUSH_STRING:
{
if(vm->debug)
printf("push_string\n");
++vm->pc;
int index = ReadInteger(vm);
PushString(vm, vm->stringConstants[index]);
} break;
case OP_PUSH_FUNC:
{
if(vm->debug)
printf("push_func\n");
Word hasEllipsis = vm->program[++vm->pc];
Word isExtern = vm->program[++vm->pc];
Word numArgs = vm->program[++vm->pc];
++vm->pc;
int index = ReadInteger(vm);
PushFunc(vm, index, hasEllipsis, isExtern, numArgs);
} break;
case OP_PUSH_DICT:
{
if(vm->debug)
printf("push_dict\n");
++vm->pc;
PushDict(vm);
} break;
case OP_CREATE_DICT_BLOCK:
{
if(vm->debug)
printf("create_dict_block\n");
++vm->pc;
int length = ReadInteger(vm);
Object* obj = PushDict(vm);
if(length > 0)
{
// stack (before dict) is filled with key-value pairs (backwards, key is higher on stack)
for(int i = 0; i < length * 2; i += 2)
DictPut(&obj->dict, vm->stack[vm->stackSize - i - 2]->string.raw, vm->stack[vm->stackSize - i - 3]);
vm->stackSize -= length * 2;
vm->stack[vm->stackSize - 1] = obj;
}
} break;
case OP_CREATE_ARRAY:
{
if(vm->debug)
printf("create_array\n");
++vm->pc;
int length = (int)PopNumber(vm);
PushArray(vm, length);
} break;
case OP_CREATE_ARRAY_BLOCK:
{
if(vm->debug)
printf("create_array_block\n");
++vm->pc;
int length = ReadInteger(vm);
Object* obj = PushArray(vm, length);
if(length > 0)
{
for(int i = 0; i < length; ++i)
obj->array.members[length - i - 1] = vm->stack[vm->stackSize - 2 - i];
vm->stackSize -= length;
vm->stack[vm->stackSize - 1] = obj;
}
} break;
case OP_LENGTH:
{
if(vm->debug)
printf("length\n");
++vm->pc;
Object* obj = PopObject(vm);
if(obj->type == OBJ_STRING)
PushNumber(vm, strlen(obj->string.raw));
else if(obj->type == OBJ_ARRAY)
PushNumber(vm, obj->array.length);
else
{
fprintf(stderr, "Attempted to get length of %s\n", ObjectTypeNames[obj->type]);
exit(1);
}
} break;
case OP_ARRAY_PUSH:
{
if(vm->debug)
printf("array_push\n");
++vm->pc;
Object* obj = PopArrayObject(vm);
Object* value = PopObject(vm);
while(obj->array.length + 1 >= obj->array.capacity)
{
obj->array.capacity *= 2;
obj->array.members = erealloc(obj->array.members, obj->array.capacity * sizeof(Object*));
}
obj->array.members[obj->array.length++] = value;
} break;
case OP_ARRAY_POP:
{
if(vm->debug)
printf("array_pop\n");
++vm->pc;
Object* obj = PopArrayObject(vm);
if(obj->array.length <= 0)
{
fprintf(stderr, "Cannot pop from empty array\n");
exit(1);
}
PushObject(vm, obj->array.members[--obj->array.length]);
} break;
case OP_ARRAY_CLEAR:
{
if(vm->debug)
printf("array_clear\n");
++vm->pc;
Object* obj = PopArrayObject(vm);
obj->array.length = 0;
} break;
case OP_DICT_SET:
{
if(vm->debug)
printf("dict_set\n");
++vm->pc;
Object* obj = PopDict(vm);
const char* key = PopString(vm);
Object* value = PopObject(vm);
DictPut(&obj->dict, key, value);
} break;
case OP_DICT_GET:
{
if(vm->debug)
printf("dict_get\n");
++vm->pc;
Object* obj = PopDict(vm);
const char* key = PopString(vm);
Object* value = DictGet(&obj->dict, key);
if(value)
PushObject(vm, value);
else
PushObject(vm, &NullObject);
} break;
case OP_DICT_PAIRS:
{
if(vm->debug)
printf("dict_pairs\n");
++vm->pc;
Object* obj = PopDict(vm);
Object* aobj = PushArray(vm, obj->dict.numEntries);
int len = 0;
for(int i = 0; i <= obj->dict.capacity; ++i)
{
DictNode* node = obj->dict.buckets[i];
while(node)
{
Object* pair = PushArray(vm, 2);
Object* key = NewObject(vm, OBJ_STRING);
key->string.raw = estrdup(node->key);
pair->array.members[0] = key;
pair->array.members[1] = node->value;
aobj->array.members[len++] = PopObject(vm);
node = node->next;
}
}
} break;
#define BIN_OP_TYPE(op, operator, type) case OP_##op: { if(vm->debug) printf("%s\n", #op); Object* val2 = PopObject(vm); Object* val1 = PopObject(vm); PushNumber(vm, (type)val1->number operator (type)val2->number); ++vm->pc; } break;
#define BIN_OP(op, operator) BIN_OP_TYPE(op, operator, double)
BIN_OP(ADD, +)
BIN_OP(SUB, -)
BIN_OP(MUL, *)
BIN_OP(DIV, /)
BIN_OP_TYPE(MOD, %, int)
BIN_OP_TYPE(OR, |, int)
BIN_OP_TYPE(AND, &, int)
BIN_OP(LT, <)
BIN_OP(LTE, <=)
BIN_OP(GT, >)
BIN_OP(GTE, >=)
BIN_OP_TYPE(LOGICAL_AND, &&, int)
BIN_OP_TYPE(LOGICAL_OR, ||, int)
#define CBIN_OP(op, operator) case OP_##op: { ++vm->pc; if(vm->debug) printf("%s\n", #op); Object* b = PopObject(vm); Object* a = PopObject(vm); a->number operator b->number; } break;
CBIN_OP(CADD, +=)
CBIN_OP(CSUB, -=)
CBIN_OP(CMUL, *=)
CBIN_OP(CDIV, /=)
case OP_EQU:
{
++vm->pc;
Object* o2 = PopObject(vm);
Object* o1 = PopObject(vm);
if(o1->type != o2->type) PushNumber(vm, 0);
else
{
if(o1->type == OBJ_STRING) { PushNumber(vm, strcmp(o1->string.raw, o2->string.raw) == 0); }
else if(o1->type == OBJ_NUMBER) { PushNumber(vm, o1->number == o2->number); }
else PushNumber(vm, o1 == o2);
}
} break;
case OP_NEQU:
{
++vm->pc;
Object* o2 = PopObject(vm);
Object* o1 = PopObject(vm);
if(o1->type != o2->type) PushNumber(vm, 1);
else
{
if(o1->type == OBJ_STRING) { PushNumber(vm, strcmp(o1->string.raw, o2->string.raw) != 0); }
else if(o1->type == OBJ_NUMBER) { PushNumber(vm, o1->number != o2->number); }
else PushNumber(vm, o1 != o2);
}
} break;
case OP_NEG:
{
if(vm->debug)
printf("neg\n");
++vm->pc;
Object* obj = PopObject(vm);
PushNumber(vm, -obj->number);
} break;
case OP_LOGICAL_NOT:
{
if(vm->debug)
printf("not\n");
++vm->pc;
Object* obj = PopObject(vm);
PushNumber(vm, !obj->number);
} break;
case OP_SETINDEX:
{
++vm->pc;
Object* obj = PopObject(vm);
Object* indexObj = PopObject(vm);
Object* value = PopObject(vm);
if(vm->debug)
printf("setindex\n");
if(obj->type == OBJ_ARRAY)
{
if(indexObj->type != OBJ_NUMBER)
{
fprintf(stderr, "Attempted to index array with a %s (expected number)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
int index = (int)indexObj->number;
int arrayLength = obj->array.length;
Object** members = obj->array.members;
if(index >= 0 && index < arrayLength)
members[index] = value;
else
{
fprintf(stderr, "Invalid array index %i\n", index);
exit(1);
}
}
else if(obj->type == OBJ_STRING)
{
if(indexObj->type != OBJ_NUMBER)
{
fprintf(stderr, "Attempted to index string with a %s (expected number)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
if(value->type != OBJ_NUMBER)
{
fprintf(stderr, "Attempted to assign a %s to an index of a string '%s' (expected number/character)\n", ObjectTypeNames[value->type], obj->string.raw);
exit(1);
}
obj->string.raw[(int)indexObj->number] = (char)value->number;
}
else if(obj->type == OBJ_DICT)
{
if(indexObj->type != OBJ_STRING)
{
fprintf(stderr, "Attempted to index dict with a %s (expected string)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
DictPut(&obj->dict, indexObj->string.raw, value);
}
else
{
fprintf(stderr, "Attempted to index a %s\n", ObjectTypeNames[obj->type]);
exit(1);
}
} break;
case OP_GETINDEX:
{
++vm->pc;
Object* obj = PopObject(vm);
Object* indexObj = PopObject(vm);
if(obj->type == OBJ_ARRAY)
{
if(indexObj->type != OBJ_NUMBER)
{
fprintf(stderr, "Attempted to index array with a %s (expected number)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
int index = (int)indexObj->number;
int arrayLength = obj->array.length;
Object** members = obj->array.members;
if(index >= 0 && index < arrayLength)
{
if(members[index])
PushObject(vm, members[index]);
else
{
fprintf(stderr, "attempted to index non-existent value in array\n");
exit(1);
}
if(vm->debug)
printf("getindex %i\n", index);
}
else
{
fprintf(stderr, "Invalid array index %i\n", index);
exit(1);
}
}
else if(obj->type == OBJ_STRING)
{
if(indexObj->type != OBJ_NUMBER)
{
fprintf(stderr, "Attempted to index string with a %s (expected number)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
PushNumber(vm, obj->string.raw[(int)indexObj->number]);
}
else if(obj->type == OBJ_DICT)
{
if(indexObj->type != OBJ_STRING)
{
fprintf(stderr, "Attempted to index dict with a %s (expected string)\n", ObjectTypeNames[indexObj->type]);
exit(1);
}
Object* val = (Object*)DictGet(&obj->dict, indexObj->string.raw);
if(val)
PushObject(vm, val);
else
PushObject(vm, &NullObject);
}
else
{
fprintf(stderr, "Attempted to index a %s\n", ObjectTypeNames[obj->type]);
exit(1);
}
} break;
case OP_SET:
{
++vm->pc;
int index = ReadInteger(vm);
Object* top = PopObject(vm);
vm->stack[index] = top;
if(vm->debug)
{
if(top->type == OBJ_NUMBER) printf("set %i to %g\n", index, top->number);
else if(top->type == OBJ_STRING) printf("set %i to %s\n", index, top->string);
}
} break;
case OP_GET:
{
++vm->pc;
int index = ReadInteger(vm);
if(vm->stack[index])
PushObject(vm, (vm->stack[index]));
else
PushObject(vm, &NullObject);
if(vm->debug)
printf("get %i\n", index);
} break;
case OP_WRITE:
{
if(vm->debug)
printf("write\n");
Object* top = PopObject(vm);
WriteObject(vm, top);
printf("\n");
++vm->pc;
} break;
case OP_READ:
{
if(vm->debug)
printf("read\n");
char* string = ReadStringFromStdin();
PushString(vm, string);
free(string);
++vm->pc;
} break;
case OP_GOTO:
{
++vm->pc;
int pc = ReadInteger(vm);
vm->pc = pc;
if(vm->debug)
printf("goto %i\n", vm->pc);
} break;
case OP_GOTOZ:
{
++vm->pc;
int pc = ReadInteger(vm);
Object* top = PopObject(vm);
if(top->number == 0)
{
vm->pc = pc;
if(vm->debug)
printf("gotoz %i\n", vm->pc);
}
} break;
case OP_CALL:
{
Word nargs = vm->program[++vm->pc];
++vm->pc;
int index = ReadInteger(vm);
if(vm->debug)
printf("call %s\n", vm->functionNames[index]);
PushIndir(vm, nargs);
vm->pc = vm->functionPcs[index];
} break;
case OP_CALLP:
{
Word hasEllipsis, isExtern, numArgs;
Word nargs = vm->program[++vm->pc];
++vm->pc;
int id = PopFunc(vm, &hasEllipsis, &isExtern, &numArgs);
if(vm->debug)
printf("callp %s%s\n", isExtern ? "extern " : "", isExtern ? vm->externNames[id] : vm->functionNames[id]);
if(isExtern)
vm->externs[id](vm);
else
{
if(!hasEllipsis)
{
if(nargs != numArgs)
{
fprintf(stderr, "Function '%s' expected %i args but recieved %i args\n", vm->functionNames[id], numArgs, nargs);
exit(1);
}
}
else
{
if(nargs < numArgs)
{
fprintf(stderr, "Function '%s' expected at least %i args but recieved %i args\n", vm->functionNames[id], numArgs, nargs);
exit(1);
}
}
if(!hasEllipsis) PushIndir(vm, nargs);
else
{
// runtime collapsing of arguments:
// the concrete arguments (known during compilation) are on the top of
// the stack. We create an array (by pushing it and then decrementing the
// stack pointer) and fill it up with the ellipsed arguments (behind the
// concrete arguments). We then place this array just before the concrete
// arguments in the stack so that it can be accessed as an argument "args".
// The indirection info is pushed onto the indirection stack (the concrete and
// non-concrete [aside from the one that the 'args' array replaces] are still
// present on the stack, so all of the arguments are to be removed)
/*printf("args:\n");
for(int i = 0; i < nargs; ++i)
{
WriteObject(vm, vm->stack[vm->stackSize - i - 1]);
printf("\n");
}
printf("end\n");*/
//printf("members:\n");
Object* obj = PushArray(vm, nargs - numArgs);
vm->stackSize -= 1;
for(int i = 0; i < obj->array.length; ++i)
{
obj->array.members[i] = vm->stack[vm->stackSize - numArgs - 1 - i];
/*WriteObject(vm, obj->array.members[i]);
printf("\n");*/
}
//printf("end\n");
vm->stack[vm->stackSize - numArgs - 1] = obj;
/*printf("final args:\n");
for(int i = 0; i < numArgs + 1; ++i)
{
WriteObject(vm, vm->stack[vm->stackSize - i - 1]);
printf("\n");
}
printf("end\n");*/
PushIndir(vm, nargs);
}
vm->pc = vm->functionPcs[id];
}
} break;
case OP_RETURN:
{
if(vm->debug)
printf("ret\n");
PopIndir(vm);
} break;
case OP_RETURN_VALUE:
{
if(vm->debug)
printf("retval\n");
Object* returnValue = PopObject(vm);
PopIndir(vm);
PushObject(vm, returnValue);
} break;
case OP_CALLF:
{
++vm->pc;
int index = ReadInteger(vm);
if(vm->debug)
printf("callf %s\n", vm->externNames[index]);
vm->externs[index](vm);
} break;
case OP_GETLOCAL:
{
++vm->pc;
int index = ReadInteger(vm);
PushObject(vm, GetLocal(vm, index));
if(vm->debug)
printf("getlocal %i (fp: %i, stack size: %i)\n", index, vm->fp, vm->stackSize);
} break;
case OP_SETLOCAL:
{
if(vm->debug)
printf("setlocal\n");
++vm->pc;
int index = ReadInteger(vm);
SetLocal(vm, index, PopObject(vm));
} break;
case OP_HALT:
{
if(vm->debug)
printf("halt\n");
vm->pc = -1;
} break;
default:
printf("Invalid instruction %i\n", vm->program[vm->pc]);
break;
}
}
