contrib/llvm-project/clang/lib/Analysis/plugins/CheckerOptionHandling/CheckerOptionHandling.cpp

   1 #include "clang/StaticAnalyzer/Core/BugReporter/BugType.h"
   2 #include "clang/StaticAnalyzer/Core/Checker.h"
   3 #include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
   4 #include "clang/StaticAnalyzer/Frontend/CheckerRegistry.h"
   5
   6 using namespace clang;
   7 using namespace ento;
   8
   9 namespace {
  10 struct MyChecker : public Checker<check::BeginFunction> {
  11   void checkBeginFunction(CheckerContext &Ctx) const {}
  12 };
  13
  14 void registerMyChecker(CheckerManager &Mgr) {
  15   MyChecker *Checker = Mgr.registerChecker<MyChecker>();
  16   llvm::outs() << "Example option is set to "
  17                << (Mgr.getAnalyzerOptions().getCheckerBooleanOption(
  18                        Checker, "ExampleOption")
  19                        ? "true"
  20                        : "false")
  21                << '\n';
  22 }
  23
  24 bool shouldRegisterMyChecker(const LangOptions &LO) { return true; }
  25
  26 } // end anonymous namespace
  27
  28 // Register plugin!
  29 extern "C" void clang_registerCheckers(CheckerRegistry &registry) {
  30   registry.addChecker(registerMyChecker, shouldRegisterMyChecker,
  31                       "example.MyChecker", "Example Description",
  32                       "example.mychecker.documentation.nonexistent.html",
  33                       /*isHidden*/false);
  34
  35   registry.addCheckerOption(/*OptionType*/ "bool",
  36                             /*CheckerFullName*/ "example.MyChecker",
  37                             /*OptionName*/ "ExampleOption",
  38                             /*DefaultValStr*/ "false",
  39                             /*Description*/ "This is an example checker opt.",
  40                             /*DevelopmentStage*/ "released");
  41 }
  42
  43 extern "C" const char clang_analyzerAPIVersionString[] =
  44     CLANG_ANALYZER_API_VERSION_STRING;