[analyzer] Migrate BuiltinFunctionChecker to CheckerV2.

llvm-svn: 126611

4 files changed, 20 insertions, 14 deletions

diff --git a/clang/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp b/clang/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
index 417b015ca39..1a86120c1c7 100644
--- a/clang/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/BuiltinFunctionChecker.cpp
@@ -11,8 +11,10 @@
 //
 //===----------------------------------------------------------------------===//
 
-#include "InternalChecks.h"
-#include "clang/StaticAnalyzer/Core/PathSensitive/Checker.h"
+#include "ClangSACheckers.h"
+#include "clang/StaticAnalyzer/Core/CheckerV2.h"
+#include "clang/StaticAnalyzer/Core/CheckerManager.h"
+#include "clang/StaticAnalyzer/Core/PathSensitive/CheckerContext.h"
 #include "clang/Basic/Builtins.h"
 
 using namespace clang;
@@ -20,19 +22,15 @@ using namespace ento;
 
 namespace {
 
-class BuiltinFunctionChecker : public Checker {
+class BuiltinFunctionChecker : public CheckerV2<eval::Call> {
 public:
-  static void *getTag() { static int tag = 0; return &tag; }
-  virtual bool evalCallExpr(CheckerContext &C, const CallExpr *CE);
+  bool evalCall(const CallExpr *CE, CheckerContext &C) const;
 };
 
 }
 
-void ento::RegisterBuiltinFunctionChecker(ExprEngine &Eng) {
-  Eng.registerCheck(new BuiltinFunctionChecker());
-}
-
-bool BuiltinFunctionChecker::evalCallExpr(CheckerContext &C,const CallExpr *CE){
+bool BuiltinFunctionChecker::evalCall(const CallExpr *CE,
+                                      CheckerContext &C) const{
   const GRState *state = C.getState();
   const Expr *Callee = CE->getCallee();
   SVal L = state->getSVal(Callee);
@@ -81,3 +79,7 @@ bool BuiltinFunctionChecker::evalCallExpr(CheckerContext &C,const CallExpr *CE){
 
   return false;
 }
+
+void ento::registerBuiltinFunctionChecker(CheckerManager &mgr) {
+  mgr.registerChecker<BuiltinFunctionChecker>();
+}
diff --git a/clang/lib/StaticAnalyzer/Checkers/Checkers.td b/clang/lib/StaticAnalyzer/Checkers/Checkers.td
index c453da96cf4..db81af06807 100644
--- a/clang/lib/StaticAnalyzer/Checkers/Checkers.td
+++ b/clang/lib/StaticAnalyzer/Checkers/Checkers.td
@@ -73,16 +73,22 @@ def ObjCUnusedIvarsChecker : Checker<"UnusedIvars">,
 
 } // end "cocoa"
 
+let ParentPackage = Core in {
+
+def BuiltinFunctionChecker : Checker<"BuiltinFunc">,
+  HelpText<"Evaluate clang builtin functions">,
+  DescFile<"BuiltinFunctionChecker.cpp">;
+
 def StackAddrEscapeChecker : Checker<"StackAddrEscape">,
-  InPackage<Core>,
   HelpText<"Check that addresses to stack memory do not escape the function">,
   DescFile<"StackAddrEscapeChecker.cpp">;
 
 def DeadStoresChecker : Checker<"DeadStores">,
-  InPackage<Core>,
   HelpText<"Check for values stored to a variables that are never read afterwards">,
   DescFile<"DeadStoresChecker.cpp">;
 
+} // end "core"
+
 def UnixAPIChecker : Checker<"API">,
   InPackage<Unix>,
   HelpText<"Check calls to various UNIX/Posix functions">,
diff --git a/clang/lib/StaticAnalyzer/Checkers/ExprEngine.cpp b/clang/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
index 14c29dd4b5a..eec2ad3b7c0 100644
--- a/clang/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
+++ b/clang/lib/StaticAnalyzer/Checkers/ExprEngine.cpp
@@ -336,7 +336,6 @@ static void RegisterInternalChecks(ExprEngine &Eng) {
 
   // This is not a checker yet.
   RegisterNoReturnFunctionChecker(Eng);
-  RegisterBuiltinFunctionChecker(Eng);
 }
 
 ExprEngine::ExprEngine(AnalysisManager &mgr, TransferFuncs *tf)
diff --git a/clang/lib/StaticAnalyzer/Checkers/InternalChecks.h b/clang/lib/StaticAnalyzer/Checkers/InternalChecks.h
index 5714aca7609..9ce1d7eb2ff 100644
--- a/clang/lib/StaticAnalyzer/Checkers/InternalChecks.h
+++ b/clang/lib/StaticAnalyzer/Checkers/InternalChecks.h
@@ -24,7 +24,6 @@ class ExprEngine;
 // Foundational checks that handle basic semantics.
 void RegisterAdjustedReturnValueChecker(ExprEngine &Eng);
 void RegisterAttrNonNullChecker(ExprEngine &Eng);
-void RegisterBuiltinFunctionChecker(ExprEngine &Eng);
 void RegisterCallAndMessageChecker(ExprEngine &Eng);
 void RegisterDereferenceChecker(ExprEngine &Eng);
 void RegisterDivZeroChecker(ExprEngine &Eng);