//
// Remove top stack element
//
INT_32 VMArgStack::PopElement()
{
if (iStackPointer == iMaxStackSize) {
throw StackUnderflow(0);
}
++iStackPointer;
return iStackPointer;
}
//
// Get element from specified position
//
CDT & VMArgStack::GetElement(const INT_32 iPos)
{
if (iPos >= iMaxStackSize) {
throw StackUnderflow(0);
}
if (iPos < iStackPointer) {
throw StackOverflow(0);
}
return aStack[iPos];
}
//
// Clear stack on specified depth
//
INT_32 VMArgStack::ClearStack(const INT_32 iDepth)
{
INT_32 iNewSP = iStackPointer + iDepth;
if (iNewSP > iMaxStackSize) {
throw StackUnderflow(0);
}
iStackPointer = iNewSP;
return iNewSP;
}
//XXX dont run!!
void ERR09_0() {
try {
throw StackUnderflow();
}
catch( StackUnderflow &su ) {
su.modify(); // modify exception object
throw; // modifications not lost
}
catch( std::runtime_error &re ) {
// /* ... */
throw; // original type of exception not lost
}
}