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Merge changes to clang's Driver code into LLVM's Option library

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This is in preparation for switching the clang driver over to using LLVM's
Option library.  Richard Smith introduced most of these changes to the clang
driver in r167638.

Reviewers: espindola on IRC

Differential Revision: http://llvm-reviews.chandlerc.com/D970

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@183925 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Reid Kleckner
2013-06-13 18:12:12 +00:00
parent a65ee83ea9
commit 1ee21dc1e1
4 changed files with 45 additions and 11 deletions
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21
lib/Option/OptTable.cpp
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@@ -160,10 +160,6 @@ const Option OptTable::getOption(OptSpecifier Opt) const {
return Option(&getInfo(id), this);
}
bool OptTable::isOptionHelpHidden(OptSpecifier id) const {
return getInfo(id).Flags & HelpHidden;
}
static bool isInput(const llvm::StringSet<> &Prefixes, StringRef Arg) {
if (Arg == "-")
return true;
@@ -346,8 +342,16 @@ static const char *getOptionHelpGroup(const OptTable &Opts, OptSpecifier Id) {
return getOptionHelpGroup(Opts, GroupID);
}
void OptTable::PrintHelp(raw_ostream &OS, const char *Name,
const char *Title, bool ShowHidden) const {
void OptTable::PrintHelp(raw_ostream &OS, const char *Name, const char *Title,
bool ShowHidden) const {
PrintHelp(OS, Name, Title, /*Include*/ 0, /*Exclude*/
(ShowHidden ? 0 : HelpHidden));
}
void OptTable::PrintHelp(raw_ostream &OS, const char *Name, const char *Title,
unsigned FlagsToInclude,
unsigned FlagsToExclude) const {
OS << "OVERVIEW: " << Title << "\n";
OS << '\n';
OS << "USAGE: " << Name << " [options] <inputs>\n";
@@ -366,7 +370,10 @@ void OptTable::PrintHelp(raw_ostream &OS, const char *Name,
if (getOptionKind(Id) == Option::GroupClass)
continue;
if (!ShowHidden && isOptionHelpHidden(Id))
unsigned Flags = getInfo(Id).Flags;
if (FlagsToInclude && !(Flags & FlagsToInclude))
continue;
if (Flags & FlagsToExclude)
continue;
if (const char *Text = getOptionHelpText(Id)) {