Intoduce '-analyzer-checker-help' flag which outputs a list of all available static analyzer checkers.

This is pretty basic for now, eventually checkers should be grouped according to package, hidden checkers should be indicated etc.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@126454 91177308-0d34-0410-b5e6-96231b3b80d8

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp b/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp
index 608e349b27..677e20cd9c 100644
--- a/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp
+++ b/lib/StaticAnalyzer/Frontend/CheckerRegistration.cpp
@@ -12,12 +12,14 @@
 //===----------------------------------------------------------------------===//
 
 #include "clang/StaticAnalyzer/Frontend/CheckerRegistration.h"
+#include "clang/StaticAnalyzer/Frontend/FrontendActions.h"
 #include "../Checkers/ClangSACheckerProvider.h"
 #include "clang/StaticAnalyzer/Core/CheckerManager.h"
 #include "clang/StaticAnalyzer/Core/CheckerProvider.h"
 #include "clang/Frontend/AnalyzerOptions.h"
 #include "clang/Frontend/FrontendDiagnostic.h"
 #include "clang/Basic/Diagnostic.h"
+#include "llvm/Support/raw_ostream.h"
 #include "llvm/ADT/OwningPtr.h"
 #include "llvm/ADT/SmallVector.h"
 
@@ -49,3 +51,16 @@ CheckerManager *ento::registerCheckers(const AnalyzerOptions &opts,
 
   return checkerMgr.take();
 }
+
+void ento::printCheckerHelp(llvm::raw_ostream &OS) {
+  OS << "OVERVIEW: Clang Static Analyzer Checkers List\n";
+  OS << '\n';
+  OS << "USAGE: -analyzer-checker <check1,check2,...>\n";
+  OS << '\n';
+  OS << "CHECKERS:\n";
+
+  llvm::OwningPtr<CheckerProvider> provider(createClangSACheckerProvider());
+  provider->printHelp(OS);
+
+  // FIXME: Load CheckerProviders from plugins.
+}