cpp11-migrate: Minor command-line fixes and improvements

* all transforms are in the same category
* all transforms' options are in the same category
* display the CommonOptionParser extra-help (which describe in more details the
  compilation database stuff)
* add EXAMPLES section

Author: Guillaume Papin <guillaume.papin@epitech.eu>
llvm-svn: 185660

1 files changed, 6 insertions, 4 deletions

diff --git a/clang-tools-extra/cpp11-migrate/UseNullptr/NullptrActions.cpp b/clang-tools-extra/cpp11-migrate/UseNullptr/NullptrActions.cpp
index 6f476113367..309ba713756 100644
--- a/clang-tools-extra/cpp11-migrate/UseNullptr/NullptrActions.cpp
+++ b/clang-tools-extra/cpp11-migrate/UseNullptr/NullptrActions.cpp
@@ -26,15 +26,17 @@
 using namespace clang::ast_matchers;
 using namespace clang::tooling;
 using namespace clang;
+namespace cl = llvm::cl;
 
 namespace {
 
 const char *NullMacroName = "NULL";
 
-static llvm::cl::opt<std::string> UserNullMacroNames(
-    "user-null-macros", llvm::cl::desc("Comma-separated list of user-defined "
-                                       "macro names that behave like NULL"),
-    llvm::cl::init(""));
+static cl::opt<std::string>
+UserNullMacroNames("user-null-macros",
+                   cl::desc("Comma-separated list of user-defined "
+                            "macro names that behave like NULL"),
+                   cl::cat(TransformsOptionsCategory), cl::init(""));
 
 bool isReplaceableRange(SourceLocation StartLoc, SourceLocation EndLoc,
                         const SourceManager &SM, const Transform &Owner) {