Method SetProgramPointer

sdk/angelscript/source/as_context.cpp:1653–1702

internal

// internal
void asCContext::SetProgramPointer()
{
	// This shouldn't be called if the program pointer is already set
	asASSERT(m_regs.programPointer == 0);

	// Can't set up the program pointer if no function has been set yet
	asASSERT(m_currentFunction != 0);

	// If the function is a delegate then get then set the function and object from the delegate
	if( m_currentFunction->funcType == asFUNC_DELEGATE )
	{
		// Push the object pointer onto the stack
		asASSERT( m_regs.stackPointer - AS_PTR_SIZE >= m_stackBlocks[m_stackIndex] );
		m_regs.stackPointer -= AS_PTR_SIZE;
		m_regs.stackFramePointer -= AS_PTR_SIZE;
		*(asPWORD*)m_regs.stackPointer = asPWORD(m_currentFunction->objForDelegate);

		// Make the call to the delegated object method
		m_currentFunction = m_currentFunction->funcForDelegate;
	}

	m_currentFunction = GetRealFunc(m_currentFunction, (void**)m_regs.stackFramePointer);

	if( m_currentFunction->funcType == asFUNC_SCRIPT )
	{
		m_regs.programPointer = m_currentFunction->scriptData->byteCode.AddressOf();

		// Set up the internal registers for executing the script function
		PrepareScriptFunction();
	}
	else if( m_currentFunction->funcType == asFUNC_SYSTEM )
	{
		asASSERT(m_status != asEXECUTION_DESERIALIZATION);

		// The current function is an application registered function

		// Call the function directly
		CallSystemFunction(m_currentFunction->id, this);

		// Was the call successful?
		if( m_status == asEXECUTION_ACTIVE )
			m_status = asEXECUTION_FINISHED;
	}
	else
	{
		// This can happen, e.g. if attempting to call a template function
		if( m_status != asEXECUTION_EXCEPTION )
			SetInternalException(TXT_NULL_POINTER_ACCESS, false);
	}
}

// interface
int asCContext::PushState()