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the switch from std::map -> StringMap caused --help output to be in

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non-sorted order, restore the sort.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@82368 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2009-09-20 05:37:24 +00:00
parent d0062c6e7c
commit 0fd48b1f1c
1 changed files with 15 additions and 5 deletions
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20
lib/Support/CommandLine.cpp
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@ -1010,6 +1010,12 @@ void generic_parser_base::printOptionInfo(const Option &O,
// --help and --help-hidden option implementation
//
static int OptNameCompare(const void *LHS, const void *RHS) {
typedef std::pair<const char *, Option*> pair_ty;
return strcmp(((pair_ty*)LHS)->first, ((pair_ty*)RHS)->first);
}
namespace {
class HelpPrinter {
@ -1032,7 +1038,7 @@ public:
GetOptionInfo(PositionalOpts, SinkOpts, OptMap);
// Copy Options into a vector so we can sort them as we like.
std::vector<Option*> Opts;
SmallVector<std::pair<const char *, Option*>, 128> Opts;
SmallPtrSet<Option*, 128> OptionSet; // Duplicate option detection.
for (StringMap<Option*>::iterator I = OptMap.begin(), E = OptMap.end();
@ -1046,11 +1052,15 @@ public:
continue;
// If we've already seen this option, don't add it to the list again.
if (OptionSet.insert(I->second))
if (!OptionSet.insert(I->second))
continue;
Opts.push_back(I->second);
Opts.push_back(std::pair<const char *, Option*>(I->getKey().data(),
I->second));
}
// Sort the options list alphabetically.
qsort(Opts.data(), Opts.size(), sizeof(Opts[0]), OptNameCompare);
if (ProgramOverview)
outs() << "OVERVIEW: " << ProgramOverview << "\n";
@ -1077,11 +1087,11 @@ public:
// Compute the maximum argument length...
MaxArgLen = 0;
for (size_t i = 0, e = Opts.size(); i != e; ++i)
MaxArgLen = std::max(MaxArgLen, Opts[i]->getOptionWidth());
MaxArgLen = std::max(MaxArgLen, Opts[i].second->getOptionWidth());
outs() << "OPTIONS:\n";
for (size_t i = 0, e = Opts.size(); i != e; ++i)
Opts[i]->printOptionInfo(MaxArgLen);
Opts[i].second->printOptionInfo(MaxArgLen);
// Print any extra help the user has declared.
for (std::vector<const char *>::iterator I = MoreHelp->begin(),