Method CleanStackFrame

sdk/angelscript/source/as_context.cpp:5458–5655

}

bool asCContext::CleanStackFrame(bool catchException)
{
	bool exceptionCaught = false;
	asSTryCatchInfo *tryCatchInfo = 0;

	if (m_currentFunction == 0)
		return false;

	if (m_currentFunction->funcType == asFUNC_SCRIPT && m_currentFunction->scriptData == 0)
	{
		asCString msg;
		msg.Format(TXT_FUNC_s_RELEASED_BEFORE_CLEANUP, m_currentFunction->name.AddressOf());
		m_engine->WriteMessage("", 0, 0, asMSGTYPE_ERROR, msg.AddressOf());
		return false;
	}

	// Clean object variables on the stack
	// If the stack memory is not allocated or the program pointer
	// is not set, then there is nothing to clean up on the stack frame
	if( !m_isStackMemoryNotAllocated && m_regs.programPointer )
	{
		// If the exception occurred while calling a function it is necessary
		// to clean up the arguments that were put on the stack.
		CleanArgsOnStack();

		// Check if this function will catch the exception
		// Try blocks can be nested, so use the innermost block
		if (catchException && m_currentFunction->scriptData)
		{
			asUINT currPos = asUINT(m_regs.programPointer - m_currentFunction->scriptData->byteCode.AddressOf());

			for (asUINT n = 0; n < m_currentFunction->scriptData->tryCatchInfo.GetLength(); n++)
			{
				if (currPos >= m_currentFunction->scriptData->tryCatchInfo[n].tryPos &&
					currPos < m_currentFunction->scriptData->tryCatchInfo[n].catchPos)
				{
					tryCatchInfo = &m_currentFunction->scriptData->tryCatchInfo[n];
					exceptionCaught = true;
				}
				if (currPos < m_currentFunction->scriptData->tryCatchInfo[n].tryPos)
					break;
			}
		}

		// Restore the stack pointer
		if( !exceptionCaught )
			m_regs.stackPointer += m_currentFunction->scriptData->variableSpace;

		// Determine which object variables that are really live ones
		asCArray<int> liveObjects;
		DetermineLiveObjects(liveObjects, 0);

		for (asUINT n = 0; n < m_currentFunction->scriptData->variables.GetLength(); n++)
		{
			int pos = m_currentFunction->scriptData->variables[n]->stackOffset;

			// If the exception was caught, then only clean up objects within the try block
			if (exceptionCaught)