190           error_message_ << "aidl-cpp does not support --lang." << endl;  in Options()
205             error_message_ << "Unsupported language: '" << lang << "'" << endl;  in Options()
279           error_message_ << "Invalid version number: '" << ver_str << "'. "  in Options()
305       error_message_ << "No input file" << endl;  in Options()
327         error_message_ << "No HEADER_DIR or OUTPUT." << endl;  in Options()
337       error_message_ << "Too many arguments: ";  in Options()
339         error_message_ << " " << argv[i];  in Options()
341       error_message_ << endl;  in Options()
347         error_message_ << "No input file." << endl;  in Options()
352         error_message_ << "Insufficient arguments. At least 2 required, but "  in Options()
369         error_message_ << "Output directory is not set. Set with --out." << endl;  in Options()
373         error_message_ << "Header output directory is not set. Set with "  in Options()
380         error_message_ << "Output directory is not set. Set with --out." << endl;  in Options()
384         error_message_ << "Header output directory is set, which does not make "  in Options()
393         error_message_ << "Expected .aidl file for input but got '" << input << "'" << endl;  in Options()
398       error_message_ << "Multiple AIDL files can't be compiled to a single "  in Options()
404       error_message_ << "-d or --dep doesn't work when compiling multiple AIDL "  in Options()
411       error_message_ << "--log is currently supported for either --lang=cpp or --lang=ndk" << endl;  in Options()
417       error_message_ << "--version should not be used with '--preprocess'." << endl;  in Options()
423       error_message_ << "--checkapi requires two inputs for comparing, "  in Options()
430       error_message_ << "--dump_api requires output directory. Use --out." << endl;  in Options()