TIntermBlock *FindMainBody(TIntermBlock *root)
{
TIntermFunctionDefinition *main = FindMain(root);
ASSERT(main != nullptr);
TIntermBlock *mainBody = main->getBody();
ASSERT(mainBody != nullptr);
return mainBody;
}
void RunAtTheEndOfShader(TIntermBlock *root, TIntermNode *codeToRun, TSymbolTable *symbolTable)
{
TIntermFunctionDefinition *main = FindMain(root);
if (!ContainsReturn(main))
{
main->getBody()->appendStatement(codeToRun);
return;
}
WrapMainAndAppend(root, main, codeToRun, symbolTable);
}
TIntermFunctionDefinition *FindMain(TIntermBlock *root)
{
for (TIntermNode *node : *root->getSequence())
{
TIntermFunctionDefinition *nodeFunction = node->getAsFunctionDefinition();
if (nodeFunction != nullptr && nodeFunction->getFunction()->isMain())
{
return nodeFunction;
}
}
return nullptr;
}
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();
}
