Method preprocess

externals/simplecpp/simplecpp.cpp:3342–3876

}

void simplecpp::preprocess(simplecpp::TokenList &output, const simplecpp::TokenList &rawtokens, std::vector<std::string> &files, simplecpp::FileDataCache &cache, const simplecpp::DUI &dui, simplecpp::OutputList *outputList, std::list<simplecpp::MacroUsage> *macroUsage, std::list<simplecpp::IfCond> *ifCond)
{
#ifdef SIMPLECPP_WINDOWS
    if (dui.clearIncludeCache)
        nonExistingFilesCache.clear();
#endif

    std::map<std::string, std::size_t> sizeOfType(rawtokens.sizeOfType);
    sizeOfType.insert(std::make_pair("char", sizeof(char)));
    sizeOfType.insert(std::make_pair("short", sizeof(short)));
    sizeOfType.insert(std::make_pair("short int", sizeOfType["short"]));
    sizeOfType.insert(std::make_pair("int", sizeof(int)));
    sizeOfType.insert(std::make_pair("long", sizeof(long)));
    sizeOfType.insert(std::make_pair("long int", sizeOfType["long"]));
    sizeOfType.insert(std::make_pair("long long", sizeof(long long)));
    sizeOfType.insert(std::make_pair("float", sizeof(float)));
    sizeOfType.insert(std::make_pair("double", sizeof(double)));
    sizeOfType.insert(std::make_pair("long double", sizeof(long double)));
    sizeOfType.insert(std::make_pair("char *", sizeof(char *)));
    sizeOfType.insert(std::make_pair("short *", sizeof(short *)));
    sizeOfType.insert(std::make_pair("short int *", sizeOfType["short *"]));
    sizeOfType.insert(std::make_pair("int *", sizeof(int *)));
    sizeOfType.insert(std::make_pair("long *", sizeof(long *)));
    sizeOfType.insert(std::make_pair("long int *", sizeOfType["long *"]));
    sizeOfType.insert(std::make_pair("long long *", sizeof(long long *)));
    sizeOfType.insert(std::make_pair("float *", sizeof(float *)));
    sizeOfType.insert(std::make_pair("double *", sizeof(double *)));
    sizeOfType.insert(std::make_pair("long double *", sizeof(long double *)));

    // use a dummy vector for the macros because as this is not part of the file and would add an empty entry - e.g. /usr/include/poll.h
    std::vector<std::string> dummy;

    const bool hasInclude = isCpp17OrLater(dui) || isGnu(dui);
    MacroMap macros;
    bool strictAnsiDefined = false;
    for (auto it = dui.defines.cbegin(); it != dui.defines.cend(); ++it) {
        const std::string &macrostr = *it;
        const std::string::size_type eq = macrostr.find('=');
        const std::string::size_type par = macrostr.find('(');
        const std::string macroname = macrostr.substr(0, std::min(eq,par));
        if (macroname == "__STRICT_ANSI__")
            strictAnsiDefined = true;
        if (dui.undefined.find(macroname) != dui.undefined.end())
            continue;
        const std::string lhs(macrostr.substr(0,eq));
        const std::string rhs(eq==std::string::npos ? std::string("1") : macrostr.substr(eq+1));
        try {
            const Macro macro(lhs, rhs, dummy);
            macros.insert(std::pair<TokenString,Macro>(macro.name(), macro));
        } catch (const std::runtime_error& e) {
            if (outputList) {
                simplecpp::Output err{
                    Output::DUI_ERROR,
                    {},
                    e.what()
                };
                outputList->emplace_back(std::move(err));
            }