82 static void PrintError(const std::string& arg, std::string_view msg, bool from_env) {  in PrintError()  argument
84     std::string variable(arg);  in PrintError()
88   } else if (arg[0] == '-') {  in PrintError()
89     printf("%s %s\n", arg.c_str(), msg.data());  in PrintError()
91     printf("--%s %s\n", arg.c_str(), msg.data());  in PrintError()
96 static bool GetNumeric(const std::string& arg, const std::string& value, IntType* numeric_value,  in GetNumeric()  argument
100     PrintError(arg, std::string("value overflows (") + value + ")", from_env);  in GetNumeric()
104     PrintError(arg, std::string("value is not formatted as a numeric value (") + value + ")",  in GetNumeric()
118 bool Options::SetNumeric(const std::string& arg, const std::string& value, bool from_env) {  in SetNumeric()  argument
119   uint64_t* numeric = &numerics_.find(arg)->second;  in SetNumeric()
120   if (!GetNumeric<uint64_t>(arg, value, numeric, from_env)) {  in SetNumeric()
124     PrintError(arg, "requires a number greater than zero.", from_env);  in SetNumeric()
130 bool Options::SetNumericEnvOnly(const std::string& arg, const std::string& value, bool from_env) {  in SetNumericEnvOnly()  argument
132     PrintError(arg, "is only supported as an environment variable.", false);  in SetNumericEnvOnly()
135   uint64_t* numeric = &numerics_.find(arg)->second;  in SetNumericEnvOnly()
136   if (!GetNumeric<uint64_t>(arg, value, numeric, from_env)) {  in SetNumericEnvOnly()
142 bool Options::SetBool(const std::string& arg, const std::string&, bool) {  in SetBool()  argument
143   bools_.find(arg)->second = true;  in SetBool()
147 bool Options::SetIterations(const std::string& arg, const std::string& value, bool from_env) {  in SetIterations()  argument
148   if (!GetNumeric<int>(arg, value, &num_iterations_, from_env)) {  in SetIterations()
154 bool Options::SetString(const std::string& arg, const std::string& value, bool) {  in SetString()  argument
155   strings_.find(arg)->second = value;  in SetString()
159 bool Options::SetXmlFile(const std::string& arg, const std::string& value, bool from_env) {  in SetXmlFile()  argument
161     PrintError(arg, "only supports an xml output file.", from_env);  in SetXmlFile()
166     PrintError(arg, "requires a file name after xml:", from_env);  in SetXmlFile()
173       PrintError(arg,  in SetXmlFile()
191 bool Options::HandleArg(const std::string& arg, const std::string& value, const ArgInfo& info,  in HandleArg()  argument
194     PrintError(arg, "is not compatible with isolation runs.", from_env);  in HandleArg()
200       PrintError(arg, "requires an argument.", from_env);  in HandleArg()
204     if (info.func != nullptr && !(this->*(info.func))(arg, value, from_env)) {  in HandleArg()
208     PrintError(arg, "does not take an argument.", from_env);  in HandleArg()
211     return (this->*(info.func))(arg, value, from_env);  in HandleArg()
261 bool Options::ProcessSingle(const char* arg, std::vector<char*>* child_args, bool allow_flagfile) {  in ProcessSingle()  argument
262   if (strncmp("--", arg, 2) != 0) {  in ProcessSingle()
263     if (arg[0] == '-') {  in ProcessSingle()
264       printf("Unknown argument: %s\n", arg);  in ProcessSingle()
267       printf("Unexpected argument '%s'\n", arg);  in ProcessSingle()
275   const char* equal = strchr(arg, '=');  in ProcessSingle()
277     name = std::string(&arg[2], static_cast<size_t>(equal - arg) - 2);  in ProcessSingle()
280     name = &arg[2];  in ProcessSingle()
284     printf("Unknown argument: %s\n", arg);  in ProcessSingle()
289     child_args->push_back(strdup(arg));  in ProcessSingle()
300       printf("Argument: %s is not allowed in flag file.\n", arg);  in ProcessSingle()