Method reportUnknownMacros

lib/tokenize.cpp:8566–8705

}

void Tokenizer::reportUnknownMacros() const
{
    // Report unknown macros used in expressions "%name% %num%"
    for (const Token *tok = tokens(); tok; tok = tok->next()) {
        if (Token::Match(tok, "%name% %num%")) {
            // A keyword is not an unknown macro
            if (tok->isKeyword())
                continue;

            if (Token::Match(tok->previous(), "%op%|("))
                unknownMacroError(tok);
        }
    }

    // Report unknown macros before } "{ .. if (x) MACRO }"
    for (const Token *tok = tokens(); tok; tok = tok->next()) {
        if (Token::Match(tok, ")|; %name% } !!)")) {
            if (tok->link() && !Token::simpleMatch(tok->link()->tokAt(-1), "if"))
                continue;
            const Token* prev = tok->linkAt(2);
            while (Token::simpleMatch(prev, "{"))
                prev = prev->previous();
            if (Token::Match(prev, ";|)"))
                unknownMacroError(tok->next());
        }
    }

    // Report unknown macros that contain several statements "MACRO(a;b;c)"
    for (const Token *tok = tokens(); tok; tok = tok->next()) {
        if (!Token::Match(tok, "%name% ("))
            continue;
        if (!tok->isUpperCaseName())
            continue;
        const Token *endTok = tok->linkAt(1);
        for (const Token *inner = tok->tokAt(2); inner != endTok; inner = inner->next()) {
            if (Token::Match(inner, "[[({]"))
                inner = inner->link();
            else if (inner->str() == ";")
                unknownMacroError(tok);
        }
    }

    // Report unknown macros that contain struct initialization "MACRO(a, .b=3)"
    for (const Token *tok = tokens(); tok; tok = tok->next()) {
        if (!Token::Match(tok, "%name% ("))
            continue;
        const Token *endTok = tok->linkAt(1);
        for (const Token *inner = tok->tokAt(2); inner != endTok; inner = inner->next()) {
            if (Token::Match(inner, "[[({]"))
                inner = inner->link();
            else if (Token::Match(inner->previous(), "[,(] . %name% =|{"))
                unknownMacroError(tok);
        }
    }

    const bool cpp = isCPP();

    // Report unknown macros in non-executable scopes..