Method AdjustOffset

src/server/angelscript/angelscript/source/as_restore.cpp:3221–3371

}

int asCReader::SListAdjuster::AdjustOffset(int offset)
{
	if( offset < lastOffset )
	{
		reader->Error(TXT_INVALID_BYTECODE_d);
		return 0;
	}

	// If it is the same offset being accessed again, just return the same adjusted value
	if( lastOffset == offset )
		return lastAdjustedOffset;

	lastOffset = offset;
	lastAdjustedOffset = maxOffset;

	// What is being expected at this position?
	if( patternNode->type == asLPT_REPEAT || patternNode->type == asLPT_REPEAT_SAME )
	{
		// Align the offset to 4 bytes boundary
		if( maxOffset & 0x3 )
		{
			maxOffset += 4 - (maxOffset & 0x3);
			lastAdjustedOffset = maxOffset;
		}

		// Don't move the patternNode yet because the caller must make a call to SetRepeatCount too
		maxOffset += 4;
		nextOffset = offset+1;
		return lastAdjustedOffset;
	}
	else if( patternNode->type == asLPT_TYPE )
	{
		const asCDataType &dt = reinterpret_cast<asSListPatternDataTypeNode*>(patternNode)->dataType;
		if( dt.GetTokenType() == ttQuestion )
		{
			if( nextTypeId != -1 )
			{
				if( repeatCount > 0 )
					repeatCount--;

				asCDataType nextdt = patternType->engine->GetDataTypeFromTypeId(nextTypeId);
				asUINT size;
				if(nextdt.IsObjectHandle() || (nextdt.GetTypeInfo() && (nextdt.GetTypeInfo()->flags & asOBJ_REF)) )
					size = AS_PTR_SIZE*4;
				else
					size = nextdt.GetSizeInMemoryBytes();

				// Align the offset to 4 bytes boundary
				if( size >= 4 && (maxOffset & 0x3) )
				{
					maxOffset += 4 - (maxOffset & 0x3);
					lastAdjustedOffset = maxOffset;
				}

				// Only move the patternNode if we're not expecting any more repeated entries
				if( repeatCount == 0 )
					patternNode = patternNode->next;