for (const char * const *APre = A.Prefixes,
* const *BPre = B.Prefixes;
- *APre != 0 && *BPre != 0; ++APre, ++BPre) {
+ *APre != nullptr && *BPre != nullptr; ++APre, ++BPre){
if (int N = StrCmpOptionName(*APre, *BPre))
return N < 0;
}
for (unsigned i = FirstSearchableIndex + 1, e = getNumOptions() + 1;
i != e; ++i) {
if (const char *const *P = getInfo(i).Prefixes) {
- for (; *P != 0; ++P) {
+ for (; *P != nullptr; ++P) {
PrefixesUnion.insert(*P);
}
}
const Option OptTable::getOption(OptSpecifier Opt) const {
unsigned id = Opt.getID();
if (id == 0)
- return Option(0, 0);
+ return Option(nullptr, nullptr);
assert((unsigned) (id - 1) < getNumOptions() && "Invalid ID.");
return Option(&getInfo(id), this);
}
/// \returns Matched size. 0 means no match.
static unsigned matchOption(const OptTable::Info *I, StringRef Str,
bool IgnoreCase) {
- for (const char * const *Pre = I->Prefixes; *Pre != 0; ++Pre) {
+ for (const char * const *Pre = I->Prefixes; *Pre != nullptr; ++Pre) {
StringRef Prefix(*Pre);
if (Str.startswith(Prefix)) {
StringRef Rest = Str.substr(Prefix.size());
// Otherwise, see if this argument was missing values.
if (Prev != Index)
- return 0;
+ return nullptr;
}
// If we failed to find an option and this arg started with /, then it's
MissingArgIndex = MissingArgCount = 0;
unsigned Index = 0, End = ArgEnd - ArgBegin;
while (Index < End) {
+ // Ingore nullptrs, they are response file's EOL markers
+ if (Args->getArgString(Index) == nullptr) {
+ ++Index;
+ continue;
+ }
// Ignore empty arguments (other things may still take them as arguments).
StringRef Str = Args->getArgString(Index);
if (Str == "") {
llvm_unreachable("Invalid option with help text.");
case Option::MultiArgClass:
- llvm_unreachable("Cannot print metavar for this kind of option.");
+ 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;