size_t FindMainIndex(TIntermBlock *root)
{
const TIntermSequence &sequence = *root->getSequence();
for (size_t index = 0; index < sequence.size(); ++index)
{
TIntermNode *node = sequence[index];
TIntermFunctionDefinition *nodeFunction = node->getAsFunctionDefinition();
if (nodeFunction != nullptr && nodeFunction->getFunction()->isMain())
{
return index;
}
}
return std::numeric_limits<size_t>::max();
}
