static int getInstanceVarInfo(StackHandler & sa,VarRefPtr & vr,SQUserPointer & data) {
HSQOBJECT ho = sa.GetObjectHandle(1);
SquirrelObject instance(ho);
const SQChar * el = sa.GetString(2);
ScriptStringVar256 varNameTag;
getVarNameTag(varNameTag,sizeof(varNameTag),el);
SQUserPointer ivrData=0;
if (!instance.RawGetUserData(varNameTag,&ivrData)) {
return sa.ThrowError(_SC("getInstanceVarInfo: Could not retrieve UserData")); // Results in variable not being found error.
}
vr = (VarRefPtr)ivrData;
char * up;
if (!(vr->m_access & (VAR_ACCESS_STATIC|VAR_ACCESS_CONSTANT))) {
SQUserPointer typetag;
instance.GetTypeTag(&typetag);
#if defined(SQ_USE_CLASS_INHERITANCE)
if (typetag != vr->instanceType) {
SquirrelObject typeTable = instance.GetValue(SQ_CLASS_OBJECT_TABLE_NAME);
up = (char *)typeTable.GetUserPointer(INT((size_t)vr->instanceType)); // <TODO> 64-bit compatible version.
if (!up) {
throw SquirrelError(_SC("Invalid Instance Type"));
}
} else {
up = (char *)instance.GetInstanceUP(0);
} // if
#elif defined(SQ_USE_CLASS_INHERITANCE_SIMPLE)
ClassTypeBase *ctb = (ClassTypeBase*)vr->instanceType;
up = (char *)instance.GetInstanceUP(0);
// Walk base classes until type tag match, adjust for inheritence offset
while(ctb && typetag!=ctb) {
up = (char*)up - ctb->m_offset;
ctb = ctb->m_pbase;
}
if (!ctb) {
throw SquirrelError(_SC("Invalid Instance Type"));
}
#else
up = (char *)instance.GetInstanceUP(0);
#endif
#ifdef SQPLUS_SMARTPOINTER_OPT
#define SQPLUS_SMARTPOINTER_INSTANCE_VARINFO
#include "SqPlusSmartPointer.h"
#endif
up += (size_t)vr->offsetOrAddrOrConst; // Offset
} else {
up = (char *)vr->offsetOrAddrOrConst; // Address
} // if
data = up;
return SQ_OK;
} // getInstanceVarInfo
static int getVarInfo(StackHandler & sa,VarRefPtr & vr) {
HSQOBJECT htable = sa.GetObjectHandle(1);
SquirrelObject table(htable);
const SQChar * el = sa.GetString(2);
ScriptStringVar256 varNameTag;
getVarNameTag(varNameTag,sizeof(varNameTag),el);
SQUserPointer data=0;
if (!table.RawGetUserData(varNameTag,&data)) {
return sa.ThrowError(_SC("getVarInfo: Could not retrieve UserData")); // Results in variable not being found error.
}
vr = (VarRefPtr)data;
return SQ_OK;
} // getVarInfo
static SQInteger getVarInfo(StackHandler & sa,VarRefPtr & vr) {
HSQOBJECT htable = sa.GetObjectHandle(1);
SquirrelObject table(htable);
#ifdef _DEBUG
SQObjectType type = (SQObjectType)sa.GetType(2);
#endif
const SQChar * el = sa.GetString(2);
ScriptStringVar256 varNameTag;
getVarNameTag(varNameTag,sizeof(varNameTag),el);
SQUserPointer data=0;
if (!table.RawGetUserData(varNameTag,&data)) {
// throw SquirrelError("getVarInfo: Could not retrieve UserData");
return sa.ThrowError(sqT("getVarInfo: Could not retrieve UserData")); // Results in variable not being found error.
} // if
vr = (VarRefPtr)data;
return SQ_OK;
} // getVarInfo
static int getInstanceVarInfo(StackHandler & sa,VarRefPtr & vr,SQUserPointer & data) {
HSQOBJECT ho = sa.GetObjectHandle(1);
SquirrelObject instance(ho);
#ifdef _DEBUG
SQObjectType type = (SQObjectType)sa.GetType(2);
#endif
const SQChar * el = sa.GetString(2);
ScriptStringVar256 varNameTag;
getVarNameTag(varNameTag,sizeof(varNameTag),el);
SQUserPointer ivrData=0;
if (!instance.RawGetUserData(varNameTag,&ivrData)) {
// throw SquirrelError("getInstanceVarInfo: Could not retrieve UserData");
return sa.ThrowError(_T("getInstanceVarInfo: Could not retrieve UserData")); // Results in variable not being found error.
} // if
vr = (VarRefPtr)ivrData;
unsigned char * up;
if (!(vr->access & (VAR_ACCESS_STATIC|VAR_ACCESS_CONSTANT))) {
#ifdef SQ_USE_CLASS_INHERITANCE
SQUserPointer typetag; instance.GetTypeTag(&typetag);
if (typetag != vr->instanceType) {
SquirrelObject typeTable = instance.GetValue(SQ_CLASS_OBJECT_TABLE_NAME);
up = (unsigned char *)typeTable.GetUserPointer(INT((size_t)vr->instanceType)); // <TODO> 64-bit compatible version.
if (!up) {
#if defined( MONASQ )
return sa.ThrowError(_T("Invalid Instance Type"));
#else
throw SquirrelError(_T("Invalid Instance Type"));
#endif
} // if
} else {
up = (unsigned char *)instance.GetInstanceUP(0);
} // if
#else
up = (unsigned char *)instance.GetInstanceUP(0);
#endif
up += (size_t)vr->offsetOrAddrOrConst; // Offset
} else {
up = (unsigned char *)vr->offsetOrAddrOrConst; // Address
} // if
data = up;
return SQ_OK;
} // getInstanceVarInfo
static int setVar(StackHandler & sa,VarRef * vr,void * data) {
if (vr->access & (VAR_ACCESS_READ_ONLY|VAR_ACCESS_CONSTANT)) {
ScriptStringVar256 msg;
const SQChar * el = sa.GetString(2);
SCSNPRINTF(msg.s,sizeof(msg),_T("setVar(): Cannot write to constant: %s"),el);
#if defined( MONASQ )
return sa.ThrowError(msg.s);
#else
throw SquirrelError(msg.s);
#endif
} // if
switch (vr->type) {
case TypeInfo<INT>::TypeID: {
INT * val = (INT *)data; // Address
if (val) {
*val = sa.GetInt(3);
return sa.Return(*val);
} // if
break;
} // case
case TypeInfo<FLOAT>::TypeID: {
FLOAT * val = (FLOAT *)data; // Address
if (val) {
*val = sa.GetFloat(3);
return sa.Return(*val);
} // if
break;
} // case
case TypeInfo<bool>::TypeID: {
bool * val = (bool *)data; // Address
if (val) {
*val = sa.GetBool(3) ? true : false;
return sa.Return(*val);
} // if
break;
} // case
case VAR_TYPE_INSTANCE: {
HSQUIRRELVM v = sa.GetVMPtr();
// vr->copyFunc is the LHS variable type: the RHS var's type is ClassType<>::type() (both point to ClassType<>::copy()).
// src will be null if the LHS and RHS types don't match.
SQUserPointer src = sa.GetInstanceUp(3,(SQUserPointer)vr->copyFunc); // Effectively performs: ClassType<>::type() == ClassType<>getCopyFunc().
#if defined( MONASQ )
if (!src) return sa.ThrowError(_T("INSTANCE type assignment mismatch"));
#else
if (!src) throw SquirrelError(_T("INSTANCE type assignment mismatch"));
#endif
vr->copyFunc(data,src);
#if 0 // Return an instance on the stack (allocates memory)
if (!CreateNativeClassInstance(sa.GetVMPtr(),vr->typeName,data,0)) { // data = address
ScriptStringVar256 msg;
SCSNPRINTF(msg.s,sizeof(msg),_T("getVar(): Could not create instance: %s"),vr->typeName);
throw SquirrelError(msg.s);
} // if
return 1;
#else // Don't return on stack.
return 0;
#endif
}
case TypeInfo<SQUserPointer>::TypeID: {
ScriptStringVar256 msg;
const SQChar * el = sa.GetString(2);
SCSNPRINTF(msg.s,sizeof(msg),_T("setVar(): Cannot write to an SQUserPointer: %s"),el);
#if defined( MONASQ )
return sa.ThrowError(msg.s);
#else
throw SquirrelError(msg.s);
#endif
} // case
case TypeInfo<ScriptStringVarBase>::TypeID: {
ScriptStringVarBase * val = (ScriptStringVarBase *)data; // Address
if (val) {
const SQChar * strVal = sa.GetString(3);
if (strVal) {
*val = strVal;
return sa.Return(val->s);
} // if
} // if
break;
} // case
} // switch
return SQ_ERROR;
} // setVar
static int setVar(StackHandler & sa,VarRef * vr,void * data) {
if (vr->m_access & (VAR_ACCESS_READ_ONLY|VAR_ACCESS_CONSTANT)) {
const SQChar * el = sa.GetString(2);
SCSNPRINTF(g_msg_throw.s,sizeof(g_msg_throw),_SC("setVar(): Cannot write to constant: %s"),el);
throw SquirrelError(g_msg_throw.s);
} // if
switch (vr->m_type) {
case TypeInfo<INT>::TypeID: {
INT * val = (INT *)data; // Address
if (val) {
INT v = sa.GetInt(3);
// Support for different int sizes
switch( vr->m_size ) {
case 1: v = (*(char*)val = (char)v); break;
case 2: v = (*(short*)val = (short)v); break;
#ifdef _SQ64
case 4: v = (*(int*)val = (int)v); break;
#endif
default: *val = v;
}
return sa.Return(v);
} // if
break;
} // case
case TypeInfo<unsigned>::TypeID: {
unsigned * val = (unsigned *)data; // Address
if (val) {
*val = sa.GetInt(3);
return sa.Return(static_cast<INT>(*val));
} // if
break;
} // case
case TypeInfo<FLOAT>::TypeID: {
FLOAT * val = (FLOAT *)data; // Address
if (val) {
*val = sa.GetFloat(3);
return sa.Return(*val);
} // if
break;
} // case
case TypeInfo<bool>::TypeID: {
bool * val = (bool *)data; // Address
if (val) {
*val = sa.GetBool(3) ? true : false;
return sa.Return(*val);
} // if
break;
} // case
case VAR_TYPE_INSTANCE: {
HSQUIRRELVM v = sa.GetVMPtr();
SQUserPointer src = sa.GetInstanceUp(3,(SQUserPointer)vr->varType); // Effectively performs: ClassType<>::type() == ClassType<>().
if (!src) {
throw SquirrelError(_SC("INSTANCE type assignment mismatch"));
}
vr->varType->vgetCopyFunc()(data,src);
return 0;
}
case TypeInfo<SQUserPointer>::TypeID: {
const SQChar * el = sa.GetString(2);
SCSNPRINTF(g_msg_throw.s,sizeof(g_msg_throw),_SC("setVar(): Cannot write to an SQUserPointer: %s"),el);
throw SquirrelError(g_msg_throw.s);
} // case
case TypeInfo<ScriptStringVarBase>::TypeID: {
ScriptStringVarBase * val = (ScriptStringVarBase *)data; // Address
if (val) {
const SQChar * strVal = sa.GetString(3);
if (strVal) {
*val = strVal;
return sa.Return(val->s);
} // if
} // if
break;
} // case
#if defined(SQPLUS_SUPPORT_STD_STRING) && !defined(SQUNICODE)
case TypeInfo<std::string>::TypeID: {
std::string *val = (std::string*)data; // Address
if (val) {
const SQChar *strVal = sa.GetString(3);
if (strVal) {
*val = strVal;
return sa.Return(val->c_str());
} // if
} // if
break;
} // case
#endif
} // switch
return SQ_ERROR;
} // setVar
