Errs, LongOptionsUseDoubleDash);
}
+/// Reset all options at least once, so that we can parse different options.
void CommandLineParser::ResetAllOptionOccurrences() {
- // So that we can parse different command lines multiple times in succession
- // we reset all option values to look like they have never been seen before.
+ // Reset all option values to look like they have never been seen before.
+ // Options might be reset twice (they can be reference in both OptionsMap
+ // and one of the other members), but that does not harm.
for (auto *SC : RegisteredSubCommands) {
for (auto &O : SC->OptionsMap)
O.second->reset();
+ for (Option *O : SC->PositionalOpts)
+ O->reset();
+ for (Option *O : SC->SinkOpts)
+ O->reset();
+ if (SC->ConsumeAfterOpt)
+ SC->ConsumeAfterOpt->reset();
}
}
EXPECT_TRUE(Errs.empty());
}
+TEST(CommandLineTest, ResetAllOptionOccurrences) {
+ cl::ResetCommandLineParser();
+
+ // -option [sink] input [args]
+ StackOption<bool> Option("option");
+ StackOption<std::string, cl::list<std::string>> Sink(cl::Sink);
+ StackOption<std::string> Input(cl::Positional);
+ StackOption<std::string, cl::list<std::string>> ExtraArgs(cl::ConsumeAfter);
+
+ const char *Args[] = {"prog", "-option", "-unknown", "input", "-arg"};
+
+ std::string Errs;
+ raw_string_ostream OS(Errs);
+ EXPECT_TRUE(cl::ParseCommandLineOptions(5, Args, StringRef(), &OS));
+ EXPECT_TRUE(OS.str().empty());
+
+ EXPECT_TRUE(Option);
+ EXPECT_EQ(1, (int)Sink.size());
+ EXPECT_EQ("-unknown", Sink[0]);
+ EXPECT_EQ("input", Input);
+ EXPECT_EQ(1, (int)ExtraArgs.size());
+ EXPECT_EQ("-arg", ExtraArgs[0]);
+
+ cl::ResetAllOptionOccurrences();
+ EXPECT_FALSE(Option);
+ EXPECT_EQ(0, (int)Sink.size());
+ EXPECT_EQ(0, Input.getNumOccurrences());
+ EXPECT_EQ(0, (int)ExtraArgs.size());
+}
+
} // anonymous namespace