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Adding a new cl::HideUnrelatedOptions API to allow clang to migrate off cl::getRegisteredOptions.

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Summary: cl::getRegisteredOptions really exposes some of the innards of how command line parsing is implemented. Exposing new APIs that allow us to disentangle client code from implementation details will allow us to make more extensive changes to command line parsing.

Reviewers: chandlerc, dexonsmith, beanz

Reviewed By: dexonsmith

Subscribers: llvm-commits

Differential Revision: http://reviews.llvm.org/D7100

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226729 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Bieneman
2015-01-21 22:45:52 +00:00
parent 4269590166
commit f04568139a
3 changed files with 31 additions and 1 deletions
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12
lib/Support/CommandLine.cpp
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@@ -1826,12 +1826,22 @@ void cl::AddExtraVersionPrinter(void (*func)()) {
void cl::getRegisteredOptions(StringMap<Option *> &Map) {
// Get all the options.
SmallVector<Option *, 4> PositionalOpts; // NOT USED
SmallVector<Option *, 4> SinkOpts; // NOT USED
SmallVector<Option *, 4> SinkOpts; // NOT USED
assert(Map.size() == 0 && "StringMap must be empty");
GetOptionInfo(PositionalOpts, SinkOpts, Map);
return;
}
void cl::HideUnrelatedOptions(cl::OptionCategory &Category) {
StringMap<cl::Option *> Options;
cl::getRegisteredOptions(Options);
for (auto &I : Options) {
if (I.second->Category != &Category && I.first() != "help" &&
I.first() != "version")
I.second->setHiddenFlag(cl::ReallyHidden);
}
}
void LLVMParseCommandLineOptions(int argc, const char *const *argv,
const char *Overview) {
llvm::cl::ParseCommandLineOptions(argc, argv, Overview);