{

const char *filename = NULL;

// Settings..

simplecpp::DUI dui;

for (int i = 1; i < argc; i++) {

const char *arg = argv[i];

if (*arg == '-') {

char c = arg[1];

if (c != 'D' && c != 'U' && c != 'I' && c != 'i')

continue; // Ignored

const char *value = arg[2] ? (argv[i] + 2) : argv[++i];

switch (c) {

case 'D': // define symbol

dui.defines.push_back(value);

break;

case 'U': // undefine symbol

dui.undefined.insert(value);

break;

case 'I': // include path

dui.includePaths.push_back(value);

break;

case 'i':

if (std::strncmp(arg, "-include=",9)==0)

dui.includes.push_back(arg+9);

break;

}

} else {

filename = arg;

}

}

if (!filename) {

std::cout << "Syntax:" << std::endl;

std::cout << "simplecpp [options] filename" << std::endl;

std::cout << " -DNAME Define NAME." << std::endl;

std::cout << " -IPATH Include path." << std::endl;

std::cout << " -include=FILE Include FILE." << std::endl;

std::cout << " -UNAME Undefine NAME." << std::endl;

std::exit(0);

}

// Perform preprocessing

simplecpp::OutputList outputList;

std::vector<std::string> files;

std::ifstream f(filename);

simplecpp::TokenList rawtokens(f,files,filename,&outputList);

rawtokens.removeComments();

std::map<std::string, simplecpp::TokenList*> included = simplecpp::load(rawtokens, files, dui, &outputList);

for (std::pair<std::string, simplecpp::TokenList *> i : included)

i.second->removeComments();

simplecpp::TokenList outputTokens(files);

simplecpp::preprocess(outputTokens, rawtokens, files, included, dui, &outputList);

// Output

std::cout << outputTokens.stringify() << std::endl;

for (const simplecpp::Output &output : outputList) {

std::cerr << output.location.file() << ':' << output.location.line << ": ";

switch (output.type) {

case simplecpp::Output::ERROR:

std::cerr << "#error: ";

break;

case simplecpp::Output::WARNING:

std::cerr << "#warning: ";

break;

case simplecpp::Output::MISSING_HEADER:

std::cerr << "missing header: ";

break;

case simplecpp::Output::INCLUDE_NESTED_TOO_DEEPLY:

std::cerr << "include nested too deeply: ";

break;

case simplecpp::Output::SYNTAX_ERROR:

std::cerr << "syntax error: ";

break;

case simplecpp::Output::PORTABILITY_BACKSLASH:

std::cerr << "portability: ";

break;

case simplecpp::Output::UNHANDLED_CHAR_ERROR:

std::cerr << "unhandled char error: ";

break;

case simplecpp::Output::EXPLICIT_INCLUDE_NOT_FOUND:

std::cerr << "explicit include not found: ";

break;

}

std::cerr << output.msg << std::endl;

}

// cleanup included tokenlists

simplecpp::cleanup(included);

return 0;