Added method "EmitBasicReport" to BugReporter to simplify the emission of simple bug diagnostics.

Refactored error reporting in CheckObjCDealloc and CheckObjCInstMethSignature to use this new bug reporting interface (major code simplification).


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@53560 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Analysis/BugReporter.cpp b/lib/Analysis/BugReporter.cpp
index 081e792..cbd61f8 100644
--- a/lib/Analysis/BugReporter.cpp
+++ b/lib/Analysis/BugReporter.cpp
@@ -731,12 +731,12 @@
   // Determine the range.
   
   const SourceRange *Beg, *End;
-  
+
   if (!D->empty()) {
     Beg = D->back()->ranges_begin();
     End = D->back()->ranges_end();
   }
-  else  
+  else
     R.getRanges(*this, Beg, End);
 
   if (PD) {
@@ -745,18 +745,18 @@
     for ( ; Beg != End; ++Beg)
       piece->addRange(*Beg);
 
-    D->push_back(piece);    
+    D->push_back(piece);
     PD->HandlePathDiagnostic(D.take());
   }
   else {
-    std::ostringstream os;  
-    
+    std::ostringstream os;
+
     if (D->empty())
       os << R.getDescription();
     else
       os << D->back()->getString();
-    
-    
+
+
     Diagnostic& Diag = getDiagnostic();
     unsigned ErrorDiag = Diag.getCustomDiagID(Diagnostic::Warning,
                                               os.str().c_str());
@@ -764,3 +764,19 @@
     Diag.Report(L, ErrorDiag, NULL, 0, Beg, End - Beg);
   }
 }
+
+void
+BugReporter::EmitBasicReport(const char* name, const char* str,
+                             SourceLocation Loc) {
+  
+  SimpleBugType BT(name);
+  DiagCollector C(BT);
+  Diagnostic& Diag = getDiagnostic();
+  Diag.Report(&C, getContext().getFullLoc(Loc),
+              Diag.getCustomDiagID(Diagnostic::Warning, str),
+              0, 0, 0, 0);
+  
+  for (DiagCollector::iterator I = C.begin(), E = C.end(); I != E; ++I)
+    EmitWarning(*I);
+}
+                                  
diff --git a/lib/Analysis/CheckObjCDealloc.cpp b/lib/Analysis/CheckObjCDealloc.cpp
index 3e21f01..0c91009 100644
--- a/lib/Analysis/CheckObjCDealloc.cpp
+++ b/lib/Analysis/CheckObjCDealloc.cpp
@@ -83,8 +83,7 @@
   
   // Get the "dealloc" selector.
   IdentifierInfo* II = &Ctx.Idents.get("dealloc");
-  Selector S = Ctx.Selectors.getSelector(0, &II);
-  
+  Selector S = Ctx.Selectors.getSelector(0, &II);  
   ObjCMethodDecl* MD = 0;
   
   // Scan the instance methods for "dealloc".
@@ -99,52 +98,32 @@
   
   if (!MD) { // No dealloc found.
     
-    // FIXME: This code should be reduced to three lines if possible (Refactor).
-    SimpleBugType BT(LOpts.getGCMode() == LangOptions::NonGC 
-                     ? "missing -dealloc" 
-                     : "missing -dealloc (Hybrid MM, non-GC)");
-    
-    DiagCollector C(BT);
+    const char* name = LOpts.getGCMode() == LangOptions::NonGC 
+                       ? "missing -dealloc" 
+                       : "missing -dealloc (Hybrid MM, non-GC)";
     
     std::ostringstream os;
     os << "Objective-C class '" << D->getName()
        << "' lacks a 'dealloc' instance method";
     
-    Diagnostic& Diag = BR.getDiagnostic();    
-    Diag.Report(&C,
-                Ctx.getFullLoc(D->getLocStart()),
-                Diag.getCustomDiagID(Diagnostic::Warning, os.str().c_str()),
-                NULL, 0, NULL, 0);
-        
-    for (DiagCollector::iterator I = C.begin(), E = C.end(); I != E; ++I)
-      BR.EmitWarning(*I);
-    
+    BR.EmitBasicReport(name, os.str().c_str(), D->getLocStart());
     return;
   }
   
   // dealloc found.  Scan for missing [super dealloc].
   if (MD->getBody() && !scan_dealloc(MD->getBody(), S)) {
     
-    // FIXME: This code should be reduced to three lines if possible (Refactor).
-    SimpleBugType BT(LOpts.getGCMode() == LangOptions::NonGC
-                     ? "missing [super dealloc]"
-                     : "missing [super dealloc] (Hybrid MM, non-GC)");
-                     
-    DiagCollector C(BT);
+    const char* name = LOpts.getGCMode() == LangOptions::NonGC
+                       ? "missing [super dealloc]"
+                       : "missing [super dealloc] (Hybrid MM, non-GC)";
     
     std::ostringstream os;
     os << "The 'dealloc' instance method in Objective-C class '" << D->getName()
        << "' does not send a 'dealloc' message to its super class"
            " (missing [super dealloc])";
     
-    Diagnostic& Diag = BR.getDiagnostic();    
-    Diag.Report(&C,
-                Ctx.getFullLoc(MD->getLocStart()),
-                Diag.getCustomDiagID(Diagnostic::Warning, os.str().c_str()),
-                NULL, 0, NULL, 0);
-    
-    for (DiagCollector::iterator I = C.begin(), E = C.end(); I != E; ++I)
-      BR.EmitWarning(*I);
-  }    
+    BR.EmitBasicReport(name, os.str().c_str(), D->getLocStart());
+    return;
+  }   
 }
 
diff --git a/lib/Analysis/CheckObjCInstMethSignature.cpp b/lib/Analysis/CheckObjCInstMethSignature.cpp
index f5966ec..ffaef42 100644
--- a/lib/Analysis/CheckObjCInstMethSignature.cpp
+++ b/lib/Analysis/CheckObjCInstMethSignature.cpp
@@ -64,16 +64,8 @@
        << "'.  These two types are incompatible, and may result in undefined "
           "behavior for clients of these classes.";
     
-    // Refactor.
-    SimpleBugType BT("incompatible instance method return type");
-    DiagCollector C(BT);
-    Diagnostic& Diag = BR.getDiagnostic();    
-    Diag.Report(&C, Ctx.getFullLoc(MethDerived->getLocStart()),
-                Diag.getCustomDiagID(Diagnostic::Warning, os.str().c_str()),
-                NULL, 0, NULL, 0);
-    
-    for (DiagCollector::iterator I = C.begin(), E = C.end(); I != E; ++I)
-      BR.EmitWarning(*I);
+    BR.EmitBasicReport("incompatible instance method return type",
+                       os.str().c_str(), MethDerived->getLocStart());
   }
 }