static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
const Option O = Opts.getOption(Id);
std::string Name = O.getPrefixedName();
// Add metavar, if used.
switch (O.getKind()) {
case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
llvm_unreachable("Invalid option with help text.");
case Option::MultiArgClass:
llvm_unreachable("Cannot print metavar for this kind of option.");
case Option::FlagClass:
break;
case Option::SeparateClass: case Option::JoinedOrSeparateClass:
Name += ' ';
// FALLTHROUGH
case Option::JoinedClass: case Option::CommaJoinedClass:
case Option::JoinedAndSeparateClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
Name += MetaVarName;
else
Name += "<value>";
break;
}
return Name;
}
static std::string getOptionHelpName(const OptTable &Opts, OptSpecifier Id) {
const Option O = Opts.getOption(Id);
std::string Name = O.getPrefixedName();
// Add metavar, if used.
switch (O.getKind()) {
case Option::GroupClass: case Option::InputClass: case Option::UnknownClass:
llvm_unreachable("Invalid option with help text.");
case Option::MultiArgClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id)) {
// For MultiArgs, metavar is full list of all argument names.
Name += ' ';
Name += MetaVarName;
}
else {
// For MultiArgs<N>, if metavar not supplied, print <value> N times.
for (unsigned i=0, e=O.getNumArgs(); i< e; ++i) {
Name += " <value>";
}
}
break;
case Option::FlagClass:
break;
case Option::ValuesClass:
break;
case Option::SeparateClass: case Option::JoinedOrSeparateClass:
case Option::RemainingArgsClass: case Option::RemainingArgsJoinedClass:
Name += ' ';
LLVM_FALLTHROUGH;
case Option::JoinedClass: case Option::CommaJoinedClass:
case Option::JoinedAndSeparateClass:
if (const char *MetaVarName = Opts.getOptionMetaVar(Id))
Name += MetaVarName;
else
Name += "<value>";
break;
}
return Name;
}
