Method simplifyEmptyNamespaces

lib/tokenize.cpp:6803–6840

//---------------------------------------------------------------------------

void Tokenizer::simplifyEmptyNamespaces()
{
    if (isC())
        return;

    bool goback = false;
    for (Token *tok = list.front(); tok; tok = tok ? tok->next() : nullptr) {
        if (goback) {
            tok = tok->previous();
            goback = false;
        }
        if (Token::Match(tok, "(|[|{")) {
            tok = tok->link();
            continue;
        }
        if (!Token::Match(tok, "namespace %name%| {"))
            continue;
        const bool isAnonymousNS = tok->strAt(1) == "{";
        if (tok->strAt(3 - isAnonymousNS) == "}") {
            tok->deleteNext(3 - isAnonymousNS); // remove '%name%| { }'
            if (!tok->previous()) {
                // remove 'namespace' or replace it with ';' if isolated
                tok->deleteThis();
                goback = true;
            } else {                    // '%any% namespace %any%'
                tok = tok->previous();  // goto previous token
                tok->deleteNext();      // remove next token: 'namespace'
                if (tok->str() == "{") {
                    // Go back in case we were within a namespace that's empty now
                    tok = tok->tokAt(-2) ? tok->tokAt(-2) : tok->previous();
                    goback = true;
                }
            }
        } else {
            tok = tok->tokAt(2 - isAnonymousNS);
        }
    }
}

void Tokenizer::removeRedundantSemicolons()
{