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Expose default help printer function (#1425)

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* Pass the default help string into custom help printer

Improves #1329.

* Expose default help printer
This commit is contained in:
Yuri Khan 2022-07-04 16:29:03 +07:00 committed by GitHub
parent dfdda57a12
commit 4136c4a3c5
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GPG Key ID: 4AEE18F83AFDEB23
2 changed files with 25 additions and 23 deletions
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4
include/benchmark/benchmark.h
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@ -291,8 +291,10 @@ BENCHMARK(BM_test)->Unit(benchmark::kMillisecond);
namespace benchmark {
class BenchmarkReporter;
BENCHMARK_EXPORT void PrintDefaultHelp();
BENCHMARK_EXPORT void Initialize(int* argc, char** argv,
void (*HelperPrinterf)() = NULL);
void (*HelperPrinterf)() = PrintDefaultHelp);
BENCHMARK_EXPORT void Shutdown();
// Report to stdout all arguments in 'argv' as unrecognized except the first.

44
src/benchmark.cc
View File

@ -567,28 +567,7 @@ namespace internal {
void (*HelperPrintf)();
void PrintUsageAndExit() {
if (HelperPrintf) {
HelperPrintf();
} else {
fprintf(stdout,
"benchmark"
" [--benchmark_list_tests={true|false}]\n"
" [--benchmark_filter=<regex>]\n"
" [--benchmark_min_time=<min_time>]\n"
" [--benchmark_min_warmup_time=<min_warmup_time>]\n"
" [--benchmark_repetitions=<num_repetitions>]\n"
" [--benchmark_enable_random_interleaving={true|false}]\n"
" [--benchmark_report_aggregates_only={true|false}]\n"
" [--benchmark_display_aggregates_only={true|false}]\n"
" [--benchmark_format=<console|json|csv>]\n"
" [--benchmark_out=<filename>]\n"
" [--benchmark_out_format=<json|console|csv>]\n"
" [--benchmark_color={auto|true|false}]\n"
" [--benchmark_counters_tabular={true|false}]\n"
" [--benchmark_context=<key>=<value>,...]\n"
" [--benchmark_time_unit={ns|us|ms|s}]\n"
" [--v=<verbosity>]\n");
}
HelperPrintf();
exit(0);
}
@ -670,6 +649,27 @@ int InitializeStreams() {
} // end namespace internal
void PrintDefaultHelp() {
fprintf(stdout,
"benchmark"
" [--benchmark_list_tests={true|false}]\n"
" [--benchmark_filter=<regex>]\n"
" [--benchmark_min_time=<min_time>]\n"
" [--benchmark_min_warmup_time=<min_warmup_time>]\n"
" [--benchmark_repetitions=<num_repetitions>]\n"
" [--benchmark_enable_random_interleaving={true|false}]\n"
" [--benchmark_report_aggregates_only={true|false}]\n"
" [--benchmark_display_aggregates_only={true|false}]\n"
" [--benchmark_format=<console|json|csv>]\n"
" [--benchmark_out=<filename>]\n"
" [--benchmark_out_format=<json|console|csv>]\n"
" [--benchmark_color={auto|true|false}]\n"
" [--benchmark_counters_tabular={true|false}]\n"
" [--benchmark_context=<key>=<value>,...]\n"
" [--benchmark_time_unit={ns|us|ms|s}]\n"
" [--v=<verbosity>]\n");
}
void Initialize(int* argc, char** argv, void (*HelperPrintf)()) {
internal::ParseCommandLineFlags(argc, argv);
internal::LogLevel() = FLAGS_v;