Require that all static analyzer issues have a category. As part of this change,

consolidate some commonly used category strings into global references (more of this can be done, I just did a few).

Fixes <rdar://problem/11191537>.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@154121 91177308-0d34-0410-b5e6-96231b3b80d8

include/clang/StaticAnalyzer/Checkers/CommonBugCategories.h

@@ -0,0 +1,24 @@
+//=--- CommonBugCategories.h - Provides common issue categories -*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_CLANG_STATIC_ANALYZER_CHECKER_CATEGORIES_H
+#define LLVM_CLANG_STATIC_ANALYZER_CHECKER_CATEGORIES_H
+
+// Common strings used for the "category" of many static analyzer issues.
+namespace clang {
+  namespace ento {
+    namespace categories {
+      extern const char *CoreFoundationObjectiveC;
+      extern const char *MemoryCoreFoundationObjectiveC;
+      extern const char *UnixAPI;
+    }
+  }
+}
+#endif
+

include/clang/StaticAnalyzer/Core/BugReporter/BugReporter.h

@@ -357,36 +357,17 @@ public:
   /// reports.
   void EmitReport(BugReport *R);
 
-  void EmitBasicReport(const Decl *DeclWithIssue,
-                       StringRef BugName, StringRef BugStr,
-                       PathDiagnosticLocation Loc,
-                       SourceRange* RangeBeg, unsigned NumRanges);
-
   void EmitBasicReport(const Decl *DeclWithIssue,
                        StringRef BugName, StringRef BugCategory,
                        StringRef BugStr, PathDiagnosticLocation Loc,
                        SourceRange* RangeBeg, unsigned NumRanges);
 
-
-  void EmitBasicReport(const Decl *DeclWithIssue,
-                       StringRef BugName, StringRef BugStr,
-                       PathDiagnosticLocation Loc) {
-    EmitBasicReport(DeclWithIssue, BugName, BugStr, Loc, 0, 0);
-  }
-
   void EmitBasicReport(const Decl *DeclWithIssue,
                        StringRef BugName, StringRef BugCategory,
                        StringRef BugStr, PathDiagnosticLocation Loc) {
     EmitBasicReport(DeclWithIssue, BugName, BugCategory, BugStr, Loc, 0, 0);
   }
 
-  void EmitBasicReport(const Decl *DeclWithIssue,
-                       StringRef BugName, StringRef BugStr,
-                       PathDiagnosticLocation Loc,
-                       SourceRange R) {
-    EmitBasicReport(DeclWithIssue, BugName, BugStr, Loc, &R, 1);
-  }
-
   void EmitBasicReport(const Decl *DeclWithIssue,
                        StringRef BugName, StringRef Category,
                        StringRef BugStr, PathDiagnosticLocation Loc,

lib/StaticAnalyzer/Checkers/CMakeLists.txt

@@ -26,6 +26,7 @@ add_clang_library(clangStaticAnalyzerCheckers
   CheckerDocumentation.cpp
   ChrootChecker.cpp
   ClangCheckers.cpp
+  CommonBugCategories.cpp
   DeadStoresChecker.cpp
   DebugCheckers.cpp
   DereferenceChecker.cpp

lib/StaticAnalyzer/Checkers/CheckObjCDealloc.cpp

@@ -179,7 +179,8 @@ static void checkObjCDealloc(const ObjCImplementationDecl *D,
     llvm::raw_string_ostream os(buf);
     os << "Objective-C class '" << *D << "' lacks a 'dealloc' instance method";
 
-    BR.EmitBasicReport(D, name, os.str(), DLoc);
+    BR.EmitBasicReport(D, name, categories::CoreFoundationObjectiveC,
+                       os.str(), DLoc);
     return;
   }
 
@@ -196,7 +197,8 @@ static void checkObjCDealloc(const ObjCImplementationDecl *D,
        << "' does not send a 'dealloc' message to its super class"
            " (missing [super dealloc])";
 
-    BR.EmitBasicReport(MD, name, os.str(), DLoc);
+    BR.EmitBasicReport(MD, name, categories::CoreFoundationObjectiveC,
+                       os.str(), DLoc);
     return;
   }
 
@@ -236,9 +238,7 @@ static void checkObjCDealloc(const ObjCImplementationDecl *D,
     bool requiresRelease = PD->getSetterKind() != ObjCPropertyDecl::Assign;
     if (scan_ivar_release(MD->getBody(), ID, PD, RS, SelfII, Ctx)
        != requiresRelease) {
-      const char *name;
-      const char* category = "Memory (Core Foundation/Objective-C)";
-
+      const char *name = 0;
       std::string buf;
       llvm::raw_string_ostream os(buf);
 
@@ -263,7 +263,8 @@ static void checkObjCDealloc(const ObjCImplementationDecl *D,
       PathDiagnosticLocation SDLoc =
         PathDiagnosticLocation::createBegin((*I), BR.getSourceManager());
 
-      BR.EmitBasicReport(MD, name, category, os.str(), SDLoc);
+      BR.EmitBasicReport(MD, name, categories::CoreFoundationObjectiveC,
+                         os.str(), SDLoc);
     }
   }
 }

lib/StaticAnalyzer/Checkers/CheckObjCInstMethSignature.cpp

@@ -72,6 +72,7 @@ static void CompareReturnTypes(const ObjCMethodDecl *MethDerived,
 
     BR.EmitBasicReport(MethDerived,
                        "Incompatible instance method return type",
+                       categories::CoreFoundationObjectiveC,
                        os.str(), MethDLoc);
   }
 }

lib/StaticAnalyzer/Checkers/ClangSACheckers.h

@@ -12,6 +12,8 @@
 //
 //===----------------------------------------------------------------------===//
 
+#include "clang/StaticAnalyzer/Checkers/CommonBugCategories.h"
+
 #ifndef LLVM_CLANG_SA_LIB_CHECKERS_CLANGSACHECKERS_H
 #define LLVM_CLANG_SA_LIB_CHECKERS_CLANGSACHECKERS_H
 

lib/StaticAnalyzer/Checkers/CommonBugCategories.cpp

@@ -0,0 +1,18 @@
+//=--- CommonBugCategories.cpp - Provides common issue categories -*- C++ -*-=//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// Common strings used for the "category" of many static analyzer issues.
+namespace clang { namespace ento { namespace categories {
+
+const char *CoreFoundationObjectiveC = "Core Foundation/Objective-C";
+const char *MemoryCoreFoundationObjectiveC =
+  "Memory (Core Foundation/Objective-C)";
+const char *UnixAPI = "Unix API";
+}}}
+

lib/StaticAnalyzer/Checkers/MallocOverflowSecurityChecker.cpp

@@ -214,7 +214,7 @@ void MallocOverflowSecurityChecker::OutputPossibleOverflows(
        i != e;
        ++i) {
     SourceRange R = i->mulop->getSourceRange();
-    BR.EmitBasicReport(D, "malloc() size overflow",
+    BR.EmitBasicReport(D, "malloc() size overflow", categories::UnixAPI,
       "the computation of the size of the memory allocation may overflow",
       PathDiagnosticLocation::createOperatorLoc(i->mulop,
                                                 BR.getSourceManager()), &R, 1);

lib/StaticAnalyzer/Checkers/MallocSizeofChecker.cpp

@@ -194,7 +194,9 @@ public:
             PathDiagnosticLocation::createBegin(i->AllocCall->getCallee(),
                                                 BR.getSourceManager(), ADC);
 
-          BR.EmitBasicReport(D, "allocator sizeof operand mismatch", OS.str(),
+          BR.EmitBasicReport(D, "allocator sizeof operand mismatch",
+                             categories::UnixAPI,
+                             OS.str(),
                              L, Ranges.data(), Ranges.size());
         }
       }

lib/StaticAnalyzer/Checkers/ObjCContainersASTChecker.cpp

@@ -143,7 +143,7 @@ void WalkAST::VisitCallExpr(CallExpr *CE) {
     PathDiagnosticLocation CELoc =
         PathDiagnosticLocation::createBegin(CE, BR.getSourceManager(), AC);
     BR.EmitBasicReport(AC->getDecl(),
-                       OsName.str(), "Core Foundation/Objective-C",
+                       OsName.str(), categories::CoreFoundationObjectiveC,
                        Os.str(), CELoc, &R, 1);
   }
 

lib/StaticAnalyzer/Checkers/ObjCContainersChecker.cpp

@@ -34,7 +34,8 @@ class ObjCContainersChecker : public Checker< check::PreStmt<CallExpr>,
   mutable OwningPtr<BugType> BT;
   inline void initBugType() const {
     if (!BT)
-      BT.reset(new BugType("CFArray API", "Core Foundation/Objective-C"));
+      BT.reset(new BugType("CFArray API",
+                           categories::CoreFoundationObjectiveC));
   }
 
   inline SymbolRef getArraySym(const Expr *E, CheckerContext &C) const {

lib/StaticAnalyzer/Checkers/ObjCSelfInitChecker.cpp

@@ -83,7 +83,7 @@ class InitSelfBug : public BugType {
   const std::string desc;
 public:
   InitSelfBug() : BugType("Missing \"self = [(super or self) init...]\"",
-                          "Core Foundation/Objective-C") {}
+                          categories::CoreFoundationObjectiveC) {}
 };
 
 } // end anonymous namespace

lib/StaticAnalyzer/Checkers/RetainCountChecker.cpp

@@ -1620,7 +1620,7 @@ namespace {
   class CFRefBug : public BugType {
   protected:
     CFRefBug(StringRef name)
-    : BugType(name, "Memory (Core Foundation/Objective-C)") {}
+    : BugType(name, categories::MemoryCoreFoundationObjectiveC) {}
   public:
 
     // FIXME: Eventually remove.

lib/StaticAnalyzer/Checkers/UnixAPIChecker.cpp

@@ -67,7 +67,7 @@ static inline void LazyInitialize(OwningPtr<BugType> &BT,
                                   const char *name) {
   if (BT)
     return;
-  BT.reset(new BugType(name, "Unix API"));
+  BT.reset(new BugType(name, categories::UnixAPI));
 }
 
 //===----------------------------------------------------------------------===//

lib/StaticAnalyzer/Core/BugReporter.cpp

@@ -2027,13 +2027,6 @@ void BugReporter::FlushReport(BugReportEquivClass& EQ) {
   PD->HandlePathDiagnostic(D.take());
 }
 
-void BugReporter::EmitBasicReport(const Decl *DeclWithIssue,
-                                  StringRef name, StringRef str,
-                                  PathDiagnosticLocation Loc,
-                                  SourceRange* RBeg, unsigned NumRanges) {
-  EmitBasicReport(DeclWithIssue, name, "", str, Loc, RBeg, NumRanges);
-}
-
 void BugReporter::EmitBasicReport(const Decl *DeclWithIssue,
                                   StringRef name,
                                   StringRef category,