Function CollectGlobals

shadercompiler/EffectCompilerMetal.cpp:592–859

}

void CollectGlobals(
	ParserState& state,
	std::map<Symbol*, ASTNode*>& functions,
	std::vector<ASTNode*>& globals )
{
	ZoneScoped;

	ASTNode* root = state.GetTree();
	if( !root )
	{
		return;
	}

	ASTNode* globalsStruct = nullptr;
	ASTNode* uiStruct = nullptr;

	std::set<Symbol*> globalsStructMembers;
	std::set<Symbol*> uiStructMembers;
	std::vector<ASTNode*> cbuffers;

	// Move all globals to the new buffer.
	for( size_t i = 0; i < root->GetChildrenCount(); ++i )
	{
		ASTNode* node = root->GetChild( i );
		if( node && node->GetNodeType() == NT_CBUFFER )
		{
			auto cbufferStruct = new ASTNode( NT_STRUCT, node->GetLocation(), node->GetScope(), nullptr );

			Symbol* globalsSymbol = node->GetSymbol();
			globalsSymbol->isTypeName = true;
			globalsSymbol->definition = cbufferStruct;
			if( globalsSymbol->registerSpecifier.empty() )
			{
				globalsSymbol->registerSpecifier[MakeInlineString( "" )] = RegisterSpecifier::Register( MetalRegister::CBuffer, 0 );
			}
			else
			{
				globalsSymbol->registerSpecifier.begin()->second.registerType = MetalRegister::CBuffer;
			}

			cbufferStruct->SetSymbol( globalsSymbol );

			for( size_t j = 0; j < node->GetChildrenCount(); ++j )
			{
				node->GetChild( j )->SetNodeType( NT_STRUCT_MEMBER );
				cbufferStruct->AddChild( node->GetChild( j ) );
			}

			state.GetTree()->ReplaceChild( i, cbufferStruct );
			cbuffers.push_back( cbufferStruct );
			continue;
		}
		if( node && node->GetNodeType() == NT_VAR_DECLARATION_LIST )
		{
			ASTNode* childNode = node->GetChildOrNull( 0 );
			if( childNode && childNode->GetNodeType() == NT_NAME_DECLARATION )
			{
				Symbol* symbol = childNode->GetSymbol();