{

if (!_settings->isEnabled(Settings::PERFORMANCE))

return;

const SymbolDatabase *symbolDatabase = _tokenizer->getSymbolDatabase();

const std::size_t functions = symbolDatabase->functionScopes.size();

for (std::size_t i = 0; i < functions; ++i) {

const Scope * scope = symbolDatabase->functionScopes[i];

for (const Token* tok = scope->classStart->next(); tok != scope->classEnd; tok = tok->next()) {

const Variable *var = tok->variable();

if (!var || !Token::Match(tok, "%var% ++|--"))

continue;

const Token* parent = tok->next()->astParent();

if (!parent || parent->str() == ";" || (parent->str() == "," && (!parent->astParent() || parent->astParent()->str() != "("))) {

if (var->isPointer() || var->isArray())

continue;

if (Token::Match(var->nameToken()->previous(), "iterator|const_iterator|reverse_iterator|const_reverse_iterator")) {

// the variable is an iterator

postfixOperatorError(tok);

} else if (var->type()) {

// the variable is an instance of class

postfixOperatorError(tok);

}

}

}

}

{

reportError(tok, Severity::performance, "postfixOperator",

"Prefer prefix ++/-- operators for non-primitive types.\n"

"Prefix ++/-- operators should be preferred for non-primitive types. "

"Pre-increment/decrement can be more efficient than "

"post-increment/decrement. Post-increment/decrement usually "

"involves keeping a copy of the previous value around and "

"adds a little extra code.", CWE398, false);